US Pat. No. 9,462,710

PRESSURE RELIEF SYSTEM FOR SWITCHGEAR

ABB SCHWEIZ AG, Zurich (...

1. A compartment of an arc resistant enclosure for an electrical component comprising:
a plurality of wall structures defining an interior space for housing an electrical component, one of the wall structures
having aperture structure for permitting internal pressure and gasses to flow there-from and vent from the compartment;

a stop structure associated with the aperture structure; and
flap structure associated with the aperture structure and movable from a closed position covering the aperture structure to
an opened position extending outwardly of the compartment permitting the internal pressure and gasses to exit the compartment
through the aperture structure,

wherein, in the closed position, a portion of the flap structure engages the stop structure to prevent the flap structure
from collapsing into the interior space of the compartment,

wherein the flap structure includes a pair of flaps, each flap being hinged to the compartment at one end thereof and each
flap having a free end such that when moving towards the closed position, the free ends move towards each other and generally
abut near a center of the aperture structure in the closed position thereof, and when moving towards the opened position,
the free ends move away from each other, and

wherein the flaps have opposing openable sides, and the compartment further comprises members having portions extending outwardly
and transversely from the one wall structure and adjacent to each of the openable sides of the flaps for preventing external
gasses from getting under the openable sides in the closed position of the flaps.

US Pat. No. 9,111,707

INSTALLATION SWITCHING DEVICE WITH A CURRENT SENSING UNIT

ABB SCHWEIZ AG, Baden (C...

1. An installation switching device, comprising:
a housing;
a current path, which passes through an internal conductor between at least one input terminal and at least one output terminal;
and

a current sensing unit arranged inside the housing, the current sensing unit having an interface with at least two data connections
and at least two power connections,

wherein the housing has an interface opening which is configured to accept a connecting fixture for connecting the current
sensing unit to a bus containing data and power lines, and

wherein the bus is located outside the installation switching device such that the current sensing unit is galvanically isolated
from a current path and is supplied with power from outside the installation switching device.

US Pat. No. 9,472,926

GAS-INSULATED SWITCHGEAR ARRANGEMENT

ABB Schweiz AG, Baden (C...

1. A gas-insulated switchgear bay comprising:
at least three conductor phases for different electrical potentials; and
at least three circuit breakers each respectively provided for a corresponding one of the at least three conductor phases,
wherein:

each conductor phase is configured to be interrupted by its corresponding circuit breaker;
shapes of the circuit breakers define a longitudinal direction;
at least one of the circuit breakers includes a first power connection which defines a first axis which extends orthogonally
with respect to the longitudinal direction;

the at least one of the circuit breakers includes a second power connection which extends orthogonally with respect to the
longitudinal direction in the same direction as the first power connection, the second power connection defining a second
axis;

the at least one of the circuit breakers is configured to be electrically conductively connected via the first power connection
to a respective gas-insulated third busbar conductor of a third busbar section, such that the third busbar conductor defines
a third axis which extends orthogonally with respect to the longitudinal direction and orthogonally with respect to the first
axis;

the third busbar section includes a third busbar housing in which all of the third busbar conductors are arranged in a common
gas area;

a first distance between the first axis and the second axis is of a size such that the switchgear bay may be assembled either
a) in a first mounting state comprising a first busbar section and the third busbar section connected to the first power connection;
or

b) in a second mounting state comprising the third busbar section connected to the first power connection; and a second busbar
section connected to the second power connection.

US Pat. No. 9,524,815

SURGE ARRESTER WITH MOULDED SHEDS AND APPARATUS FOR MOULDING

ABB Schweiz AG, Baden (C...

1. A high voltage surge arrester comprising a varistor element surrounded by an electrically insulating polymer housing with
a protruding shed, said shed having an upper shed surface that forms a blunt angle with the longitudinal axis of the surge
arrester and a lower shed surface, characterised in that the lower shed surface comprises
an inner portion that forms an essentially right angle with said axis and
an outer portion that forms an acute angle with said axis, wherein
said inner portion constitutes 20-80% of the shed extension and
said essentially right angle is 89-91°.

US Pat. No. 9,419,424

SWITCHGEAR BUS SUPPORT BUSHING STRUCTURE

ABB Schweiz AG, Zurich (...

1. A bushing structure for mounting to a switchgear frame and for supporting bus bars, the bushing structure comprising:
first and second separate support structures each having surfaces defining at least one opening, the support structures being
coupled together so that the openings cooperate to define at least one passage through the bushing structure and so that a
slot is defined between the first and second support structures, surrounding the passage, and

a bushing constructed and arranged to be disposed in the passage, the bushing having a body, at least one bus receiving member,
and a compression structure surrounding the at least one bus receiving member, the bus receiving member having an opening
there-through sized to receive a bus bar,

wherein, when the first and second support structures are coupled together with the bushing in the passage, the compression
structure is disposed in the slot, sandwiched between the first and second support structures so that the first and second
support structures exert pressure on the compression structure.

US Pat. No. 9,516,784

ELECTRICAL SWITCHGEAR SYSTEM

ABB Schweiz AG, Baden (C...

1. An electrical switchgear system, comprising:
a first compartment supplied with cooling air and in fluid communication with an exhaust plenum;
a second compartment in fluid communication with the exhaust plenum; and
a deflector operative to deflect an amount of the cooling air from the first compartment and direct it into the second compartment.

US Pat. No. 9,460,868

ASSEMBLED POLE PART WITH POLE PART FRAME

ABB Schweiz AG, Baden (C...

1. An assembled pole part, comprising:
two pole part frames made of insulating material, between which a vacuum-interrupter is mounted,
wherein the vacuum interrupter includes with a fixed contact and a moving contact, a first support at a moving contact side
to affix the vacuum interrupter to the pole part frames, and a second support at a fixed contact side to affix the vacuum
interrupter to the pole part frames,

wherein groups of at least two parallel fixation means or fixation points are arranged on each pole part frame and at different
distances along a longitudinal axis of each pole part frame,

wherein the first support at the moving contact side maintains a specified fixation position and a position of the second
support is selectable via the groups of fixation points, and

wherein via the groups of at least two parallel fixation points the two pole part frames are configured to accommodate vacuum
interrupters of different lengths.

US Pat. No. 9,502,899

METHOD AND APPARATUS FOR POWER PLANT DYNAMIC VAR REGULATION AND TRANSIENT STABILITY IMPROVEMENT

ABB SCHWEIZ AG, Baden (C...

1. A method for controlling at least one generator and a Static Var Compensator (SVC) to improve dynamic performance of a
power plant, the method comprising:
obtaining one or more required input parameters for control of said at least one generator and the SVC;
determining a control mode of the at least one generator and the SVC;
calculating one or more control references based on the one or more required input parameters and the control mode of the
at least one generator and the SVC; and

controlling the at least one generator and/or the SVC according to the one or more control references;
a first control mode to realize a unity power factor operation of multiple generator units with different operating points;
a second control mode for regulating a power plant dynamic reactive power without undesired internal reactive power consumption;
and

a third control mode for improving a transient stability of the power plant under system disturbances;
wherein the first control mode comprises:
using said SVC to control a high side voltage of a unit transformer according to a high side voltage reference from high level
control centers of a power system;

calculating a feed forward component for terminal voltage references of different generator units based on a same high side
voltage reference for SVC;

calculating feedback components for terminal voltage references of different generator units based on a closed-loop control
to remove potential measurement errors or parameter errors; and

using excitation systems of said at least one generator to control the terminal voltage of the generator units according to
the terminal voltage references.

US Pat. No. 9,455,563

DIP SWITCH CHANGE DETECTION IN A SELF POWERED RELAY

ABB Schweiz AG, Baden (C...

1. A protection relay for providing electrical protection in an electrical system, comprising:
a base relay for measurement of line current in a medium voltage power line and for generation of a trip signal;
a plurality of mechanical switches for specifying, by a user, a base setting of an operating parameter of the base relay;
a Human Machine Interface (HMI) unit for detecting at least one change in the base setting made with at least one mechanical
switch from among the plurality of mechanical switches of the protection relay,

wherein the HMI unit detects the at least one change in the base setting made with the at least one mechanical switch at an
unpowered condition of the base relay.

US Pat. No. 9,490,089

SHIELDING ELEMENT FOR THE USE IN MEDIUM VOLTAGE SWITCHGEARS

ABB Schweiz AG, Baden (C...

1. A shielding element for medium voltage switchgears with vacuum interrupters with at least two contacts, which are movable
along a switching path between closed and open contact positions, wherein the shielding element comprises:
a shielding body configuration for positioning around a contact position region in a vacuum interrupter, the shielding element
having an inner surface with a topographic structure which is a rough at least partly disordered surface structure, wherein
the topographic structure is formed such that by constant or approximately constant volume (Vi) of the shielding body, a surface
ratio of a treated surface (S2) with an implemented surface structure and of volume V2, and an untreated surface (S1) without topographic structure and of volume V1, is greater than 1, according to a condition: V1˜V2 and S2/S1 >1.

US Pat. No. 9,490,621

HIGH-POWER SEMICONDUCTOR MODULE

ABB Schweiz AG, Baden (C...

1. A high-power semiconductor module, comprising:
a high-power semiconductor device mounted on a module housing and having at least two electrical connections and a semiconductor
arranged between the at least two electrical connections; and

a short-circuit device mounted on the module housing and configured to generate a persistent electrically conducting path
between the at least two electrical connections upon receiving a trigger signal to electrically destroy the semiconductor
of the high-power semiconductor module.

US Pat. No. 9,479,076

CONVERTER CELL WITH REDUCED POWER LOSSES, HIGH VOLTAGE MULTILEVEL CONVERTER AND ASSOCIATED METHOD

ABB SCHWEIZ AG, Baden (C...

1. A converter cell configured for use in a high voltage multilevel converter, the converter cell comprising a full bridge
configuration, wherein the full bridge configuration is formed of:
an energy storage element;
only one thyristor; and
only three transistors;
wherein the thyristor of the converter cell is provided in a position for a switching element in the converter cell where,
during normal operation of the converter cell, said thyristor is in a continuous conducting state.

US Pat. No. 9,502,959

DETECTION OF ISLANDING STATE IN ELECTRICITY NETWORK

ABB Schweiz AG, Baden (C...

1. A method for detecting a three-phase islanding state in a three-phase electricity network, the method comprising:
supplying power to a three-phase electricity network by a power supply assembly having an output frequency;
controlling the output frequency of the power supply assembly with a frequency reference signal adapted to deviate the output
frequency of the power supply assembly from a grid frequency representing a frequency of a common electricity network whose
portion of the three-phase electricity network is in normal operating conditions;

monitoring a magnitude of a frequency quantity obtainable from the output frequency of the power supply assembly; and
detecting a three-phase islanding state in the electricity network if the magnitude of the frequency quantity is outside an
allowable value range by forming a stimulus signal obtainable by multiplying a difference between the output frequency of
the power supply assembly and the grid frequency by a stimulus coefficient, wherein forming of the frequency reference signal
includes addition of the output frequency of the power supply assembly and the stimulus signal, and during a normal operating
state of the electricity network the stimulus coefficient is a function of an active output current of the power supply assembly.

US Pat. No. 9,468,133

MODULAR COOLING SYSTEM

ABB Schweiz AG, Baden (C...

1. A modular cooling system for cooling a plurality of power electronic components, the cooling system comprising:
a plurality of cooling modules, wherein each of the cooling modules includes:
an evaporator unit adapted for receiving heat from a corresponding one of the power electronic components, the evaporator
unit having an inlet for receiving a liquid cooling fluid, an evaporator body for evaporating the cooling fluid by the heat,
and an outlet for output of the vaporized cooling fluid;

a condenser having an inlet for receiving the vaporized cooling fluid, a condenser body for condensing the cooling fluid,
and an outlet for output of the condensed liquid cooling fluid;

a first pipe system connecting the outlet of the evaporator unit with the inlet of the condenser; and
a second pipe system connecting the outlet of the condenser with the inlet of the evaporator unit,
wherein each of the cooling modules forms a respective individual cooling fluid circuit separate from the cooling fluid circuits
of the other cooling modules of the cooling system, with adjacent condensers of the cooling modules being electrically insulated
from one another,

wherein the condenser of each cooling module includes at least one coolant medium passageway for an external coolant medium,
wherein the at least one coolant medium passageway defines a flow direction for the external coolant medium transverse to
the stacking direction of the alternating stack, and

wherein the evaporator units are stacked alternately with the power electronic components in a stacking direction in an alternating
stack.

US Pat. No. 9,537,648

DATA TRANSMISSION OVER PACKET SWITCHED NETWORK

ABB Schweiz AG, Baden (C...

1. A method of transmitting data over a packet switched data network between time-synchronized communication modules, the
method comprising:
receiving synchronous time division multiplex (TDM) data in a first communication module;
generating, by the first module, a time stamp indicative of a receive time of the synchronous TDM data at the first module;
transmitting, in a data packet, the received synchronous TDM data to a second communication module via the packet switched
data network;

outputting, by the second module, the transmitted synchronous TDM data at an output time determined by adding a predefined
delay time to the time stamp;

calculating, by the second communication module, a transmission time based on a difference between a packet receive time of
the data packet at the second module and the time stamp;

calculating a wait time as a difference between the predefined delay time and the transmission time; and
delaying the outputting of the transmitted synchronous TDM data for the wait time.

US Pat. No. 9,526,189

POWER ELECTRONIC SWITCHING SYSTEM

ABB Schweiz AG, Baden (C...

1. A power-electronic switching system comprising:
a plurality of switching units, each switching unit including:
a housing;
at least one switching module which is arranged within the housing; and
a mounting unit, wherein the mounting unit has a holding apparatus, on which the housings of the switching units are arranged,
wherein the holding apparatus includes an insulation material for electrically insulating the holding apparatus from the housings
of the switching units and the housings of the switching units from one another, and

the housing of each switching unit includes a material for at least partially shielding an electric and magnetic field,
wherein the holding apparatus includes two limbs for fixing the respective housing of the switching unit to the holding apparatus,
and

wherein the switching units are arranged next to one another along the two limbs, wherein adjacent switching units are separated
from one another and connected to one another by means of at least one spacer element.

US Pat. No. 9,484,141

COMPACT TRIANGULAR CORE TRANSFORMER

ABB Schweiz AG, Baden (C...

1. A three-phase stacked triangular transformer core with three legs and six yoke parts therebetween, wherein said legs include
stacked laminations, characterized in that
in a cross-sectional plane perpendicular to a central transformer core axis, said stacked laminations are oriented in substantially
radial direction,

wherein in the cross-sectional plane, each leg has two leg halves,
wherein each leg half has a plurality of outer corners facing a corresponding leg half of a neighboring leg,
wherein for each leg half, said plurality of outer corners lie on a respective straight line within a lateral tolerance ?A,
wherein for each leg half, the straight line defined by this leg half and the straight line defined by the corresponding leg
half of the neighboring leg are parallel, and

wherein said lateral tolerance ?A is given by ?A?0.02*L, wherein L is a maximum length of a leg cross-section.

US Pat. No. 9,502,157

POWER CABLE ASSEMBLY DEVICE AND A POWER CABLE PROVIDED WITH SUCH A DEVICE

ABB SCHWEIZ AG, Baden (C...

1. A power cable assembly device adapted to be arranged in the spaces between neighbouring power cores of a power cable, comprising:
an extruded profiled body made of a polymer material and adapted to the cross-sectional shape and elongation of the power
cable, said profiled body comprising a chamber and defining a slit to said chamber, said chamber being adapted to receive
a fibre optic cable via said slit,

wherein substantially the whole surface of the profiled body inside the chamber, the surface of the profiled body defining
the slit, and the surface of at least a region outside the profiled body extending from the slit and away from the slit is
provided with a layer of semi-conductive material.

US Pat. No. 9,510,475

MECHANICAL ASSEMBLY AND METHOD TO PROVIDE FORM-FACTOR AND WIRE ALIKE ADAPTATION OF EXISTING PLATFORM HARDWARE MODULES INTO NEW PRODUCTS

ABB Schweiz AG, Zurich (...

9. The method of claim 1, further comprising the step of connecting primary current transformers to one of the AIMs.

US Pat. No. 9,481,553

SYSTEM AND METHOD FOR CONTROLLING AT LEAST TWO AUTOMATED NON-PASSING RAIL MOUNTED GANTRY CRANES

ABB Schweiz AG, Baden (C...

1. A system for controlling at least two automated rail mounted gantry cranes which cannot pass one another, the system comprising,
for each of the cranes, a crane control unit including:
a control input interface, configured to receive, from a scheduling system, at least one work order at a time, and configured
to receive at least one sensor information reflecting execution of one of the work orders by the respective crane, wherein
each work order specifies at least a start position and an end position of a target container to be moved by a respective
crane;

a control processing unit configured to process the at least one work order and the at least one sensor information to generate
control information for ensuring execution of the at least one work order by the respective crane;

a control output interface configured to transmit the control information towards at least one actuator of the respective
crane; and

a rescheduling unit including (i) an input interface configured to receive the at least one work order for all the cranes;
(ii) a data processing module configured to perform a rescheduling by generating for each work order an expected trajectory
along the rail between corresponding start and end positions, splitting at least one of the work orders into at least two
new work orders through introduction of at least one intermediate position between the start and end positions, and determining
a sequence and an allocation to the cranes for resulting new and unsplit work orders so as to reduce at least one of the (a)
a number of situations, where an expected trajectory of one crane blocks the expected trajectory of another crane, (b) a duration
of situations, where the expected trajectory of one crane blocks the expected trajectory of another crane, (c) a workload
imbalance between the cranes; and (iii) an output interface configured to transmit new and unsplit work orders to the at least
one control input interface of the crane control unit of the respective allocated crane,

wherein the rescheduling unit operates in parallel with the crane control units executing the work orders, and
wherein the control processing units regard the work orders received from the rescheduling unit as update of all previously
received work orders.

US Pat. No. 9,482,715

METHOD FOR DETERMINING AN ELECTRICAL PROPERTY OF CABLE INSULATION

ABB Schweiz AG, Baden (C...

1. A method for determining properties of the insulation of a cable and cable accessories comprising at least one conductor
that determines the central axis of the cable or cable accessory and at least one insulation layer surrounding at least one
conductor longitudinally and radially, the method comprising:
retrieving a sample from a cable or cable accessory, which sample includes a length of at least one insulation layer,
preparing at least one insulation sample from the sample,characterized in that multiple insulation samples are cut from the cable sample at different radiuses, each insulation sample
is prepared from cable or accessory sample by cutting by a method for removing material a circular layer that has a set thickness
and is cut at a location that is positioned at such radius from the central axis of the cable wherefrom the insulation sample
is desired, and a profile of properties is determined on basis of measurements performed on the insulation samples taken at
different radiuses.

US Pat. No. 9,076,606

MAGNET ARRANGEMENT FOR A LOW-VOLTAGE CIRCUIT-BREAKER

ABB SCHWEIZ AG, Baden (C...

1. A magnet arrangement for improving running characteristics of a switching arc generated upon an interruption of a current
circuit in a pre-chamber of a low-voltage circuit-breaker, in which the switching arc is directed between two electric arc
running rails, the magnet arrangement comprising:
an open magnetic circuit comprised of a magnetic material; and
at least one permanent magnet that delivers a magnetic flux to the magnetic circuit and generates magnetic induction in a
vicinity of the pre-chamber that acts upon the switching arc,

wherein the magnetic material is configured as a U-section metal sheet which extends along the length of the pre-chamber,
the U-section metal sheet including a material recess that extends through a pre-chamber metal sheet and contains the at least
one permanent magnet.

US Pat. No. 9,520,698

OUTDOOR ENCLOSURE FOR POWER DISTRIBUTION EQUIPMENT

ABB SCHWEIZ AG, Baden (C...

1. An outdoor enclosure for housing power distribution equipment comprising:
an enclosure body comprising a base, at least four wall structures, and a roof structure, wherein each of the at least four
wall structures is attached at one end to the base and at an opposite end to the roof structure so as to provide an enclosure
interior space, and wherein the roof structure overhangs at least one of the at least four wall structures so as to provide
a ventilation channel that does not permit entry of rain or snow into the enclosure interior space;

a first wall structure of the at least four wall structures, wherein the first wall structure has an interior surface facing
the enclosure interior space and an exterior surface opposite thereto;

a first opening in the first wall structure, wherein the first opening is located more proximate the roof structure than the
base, and wherein the first opening provides an evacuation vent for arc flash gases from the enclosure interior space;

power distribution equipment disposed in the enclosure interior space;
an expansion chamber structure having a top panel, wherein the expansion chamber structure abuts the exterior surface of the
first wall structure and is attached to the first wall structure so as to surround and seal the perimeter of the first opening,
and wherein the expansion chamber structure and the first wall structure together define an expansion chamber for receiving
arc flash gases from the enclosure interior space through the first opening, and wherein the top panel has an interior surface
facing the expansion chamber and an exterior surface opposite thereto, and wherein the top panel has a second opening that
provides an evacuation vent for arc flash gases from the expansion chamber; and

a chimney comprising a chimney base and a capping structure,
wherein the chimney base has a first side proximate the first wall structure and a second side distal thereto, and the capping
structure has a first side proximate the first wall structure and a second side distal thereto,

wherein the chimney base has a bottom end that is open and abuts the exterior surface of the top panel and is attached to
the top panel so as to surround and seal the perimeter of the second opening, and wherein the chimney base has a top end that
is open and opposite the bottom end,

wherein the capping structure has a top end that is closed and a bottom end opposite thereto that is open and abuts the top
end of the chimney base and is attached to the top end of the chimney base so as to surround and seal the perimeter, with
the exception that the first side of the capping structure is more proximate the first wall structure than the first side
of the chimney base, and laterally spaced apart therefrom by a first distance so as to provide a first chimney vent, and wherein
the chimney base and the capping structure together enclose and define a chimney flue space for receiving arc flash gases
from the expansion chamber, and

wherein the first chimney vent provides a weather-resistant outlet for arc flash gases from the chimney flue space.

US Pat. No. 9,503,082

CURRENT SWITCHING DEVICE WITH IGCT

ABB Schweiz AG, Baden (C...

1. A current switching device, comprising:
an integrated gate-commutated thyristor with an anode, a cathode, and a gate, wherein a current between the anode and the
cathode is interruptible by applying a switch-off voltage to the gate; and

a gate unit for generating the switch-off voltage, wherein the gate unit and a connection to the gate establishes a gate circuit
having a stray impedance,

wherein the gate unit is configured for generating the switch-off voltage, which comprises a constant switch-off voltage and
a spiked switch-off voltage, wherein the spiked switch-off voltage has a spike width smaller than 30 microseconds, with a
maximum voltage above a breakdown voltage (VGRMAX) between the cathode and the gate, such that the switch-off voltage at the gate stays below the breakdown voltage (VGRMAX) due to the stray impedance of the gate circuit,

wherein the spiked switch-off voltage is generated in a first channel of the gate unit,
wherein the gate unit includes a second channel configured for generating a constant switch-off voltage after the spiked switch-off
voltage has been generated, the constant switch-off voltage being lower than the breakdown voltage (VGRMax) between the cathode and the gate.

US Pat. No. 9,506,573

HYDRAULIC VALVE FOR PREVENTING LEAKAGE IN AN ACTUATOR FOR ACTIVATING A HIGH- OR MEDIUM-VOLTAGE CIRCUIT BREAKER

ABB Schweiz AG, Baden (C...

1. A hydraulic valve for connecting a first fluid-conducting pressure line to a second fluid-conducting pressure line in an
actuator for activating a high- or medium-voltage circuit breaker, the hydraulic valve comprising:
a housing with a first channel inlet for attachment to the first pressure line, and a second channel inlet for attachment
to the second pressure line, and a cavity situated between the first and the second channel inlets;

a sealing body configured to be moveable in the cavity and having a circumference which is greater, at least at one point,
than a respective circumference of openings, adjoining the cavity, of the first and the second channel inlets, wherein the
sealing body is geometrically matched to a cross-section of these openings such that it completely seals the openings when
seated on the openings;

a first spring element, fastened in the first channel inlet opening, connected to the sealing body on a first side and projecting
into the cavity in a relaxed state; and

a second spring element, fastened in the second channel inlet opening, connected to the sealing body on a second side and
projecting into the cavity in a relaxed state.

US Pat. No. 9,484,808

BIDIRECTIONAL UNISOLATED DC-DC CONVERTER BASED ON CASCADED CELLS

ABB Schweiz AG, Baden (C...

14. A method of a DC-DC converter for high voltage direct current (HVDC) power transmission and distribution and for converting
a first DC voltage into a second DC voltage or vice versa and comprising:
a first phase leg having a first, a second, and a third connection terminal, the first phase leg comprising:
a first variable voltage source and a second variable voltage source being arranged for providing a first voltage (U1(t)) and a second voltage (U2(t)), respectively, each voltage having an AC voltage component and a DC voltage component, each variable voltage source having
a first pole and a second pole, the first pole of the first variable voltage source being connected to the first terminal
of the first phase leg, the second pole of the first variable voltage source being connected to the first pole of the second
variable voltage source, and the second pole of the second variable voltage source being connected to the second terminal
of the first phase leg, wherein the first DC voltage (UDC1) is provided between the first terminal and the second terminal of the first phase leg, and the second DC voltage (UDC2) is provided between the third terminal and the second terminal of the first phase leg,

a first capacitor being connected between the first terminal and the second terminal of the first phase leg, and being arranged
between an input end of the first phase leg of the DC-DC converter and an output end of the first phase leg of the DC-DC converter,
wherein the input end of the first phase leg is provided with the first DC voltage (UDC1) and the output end of the first phase leg of the DC-DC converter is provided with the second DC voltage (UDC2), and

an alternating current, AC, filter being connected between the first pole of the second variable voltage source and third
terminal of the first phase leg,

wherein the method comprises:
controlling the first variable voltage source and the second variable voltage source of the first phase leg so as to circulate
an AC current (IAC(t)) within a loop of the first capacitor, the first variable voltage source, and the second variable voltage source, of the
first phase leg.

US Pat. No. 9,466,409

ELECTRICAL INSULATION SYSTEM

ABB Schweiz AG, Baden (C...

1. An electrical insulation system for a high voltage inductive device, wherein the electrical insulation system comprises:
a cylindrical insulation barrier defining an axial direction,
a longitudinal bar having a main extension in the axial direction, the longitudinal bar being arranged to support the cylindrical
insulation barrier along the axial direction and to provide spacing in a radial direction, and the longitudinal bar having
a first side facing the cylindrical insulation barrier and a second side, opposite the first side, having a groove, and

a spacer having a main extension in the radial direction, the spacer being arranged to provide spacing in the axial direction,
the spacer having a groove fitting end portion,

wherein the longitudinal bar is adapted to receive the groove fitting end portion of the spacer in the groove, and wherein
the groove has a mouth, wherein the spacer has a largest width dimension which is smaller than the width of the mouth.

US Pat. No. 9,552,907

CONDENSER CORE

ABB Schweiz AG, Baden (C...

1. A condenser core assembly, comprising:
an electrical conductor;
a winding tube having a hole allowing the electrical conductor to be inserted there through;
an electrically insulating body wound onto and around the winding tube; and
a plurality of electrically conducting foils coaxially encircling the winding tube and each of the plurality of conducting
foils being surrounded by the insulating body;

wherein the winding tube is made from an electrically insulating material; and
wherein the condenser core comprises an electrical connection contacting at least one of the plurality of conductive foils
and being configured to contact the conductor when the conductor is inserted through the winding tube.

US Pat. No. 9,583,237

METHOD OF MANUFACTURING A POLYMER-INSULATED CONDUCTOR

ABB Schweiz AG, Baden (C...

1. A method of manufacturing a polymer-insulated conductor, wherein the method comprises:
a) providing a conductor having a first cross-sectional shape,
b) passing the conductor through a conductor-shaping die to shape the conductor such that the conductor obtains a second cross-sectional
shape, wherein frictional heat is developed in the conductor, thereby setting the conductor in a heated state,

c) applying molten polymer to the conductor when the conductor is in the heated state to obtain a polymer-coated conductor,
and

d) shaping the polymer-coated conductor by passing the polymer-coated conductor through a polymer-shaping die to thereby obtain
the polymer-insulated conductor.

US Pat. No. 9,478,966

ELECTRIC NETWORK PROTECTION

ABB Schweiz AG, Baden (C...

1. A protection relay for protection of an electric network, comprising:
means for measuring an electric signal in the network;
means for converting the measured signal to a frequency domain representation of the measured signal;
means for rotating a measuring phasor based on the frequency domain representation, the phase rotation of the measuring phasor
being dependent on at least one frequency component present in the measured electric signal;

means for generating a rotating reference phasor, the reference phasor being rotated at one of a nominal frequency and a measured
frequency of the electric network;

means for comparing the phase rotation of the rotating measuring phasor to the phase rotation of the generated rotating reference
phasor; and

means for launching protection if the comparison of the measuring phasor and the reference phasor fulfils a predetermined
criterion.

US Pat. No. 9,507,006

METHOD FOR CALIBRATING A CURRENT TRANSDUCER OF THE ROGOWSKI TYPE

ABB Schweiz AG, Baden (C...

1. A method for calibrating a current transducer of a Rogowski type using an arrangement including a Rogowski coil sensor
and an electronic device, the method comprising:
determining and correcting a sensitivity of the current transducer of the Rogowski type by measuring a self-inductance LRCCT of a coil using the electronic device.

US Pat. No. 9,484,915

NON-CONTACT PROXIMITY SWITCH FOR MACHINE SAFETY

ABB Schweiz AG, Baden (C...

1. A non-contact proximity switch having a first part and a second part, wherein
the first part is arranged to be connected to a reset circuit comprising an indicator light and a reset switch having a reset
button;

the first part comprises a reset mechanism for machine safety;
the reset mechanism comprises a signal generator and a signal detector; and
the signal detector is arranged to detect when the state of a connected reset switch corresponds to a state where the reset
button is being pressed, characterized in that

the first part comprises a first I/O interface arranged to be connected to said reset circuit;
the reset mechanism is arranged to, upon a detected absence of a response signal from the second part, generate a modulated
signal at an output of the first I/O interface; and

the signal generator is arranged to, upon indication that a reset is required, generate a signal so as to switch-on said indicator
light.

US Pat. No. 9,482,697

COMBINED MEASURING AND DETECTION SYSTEM

ABB Schweiz AG, Baden (C...

1. Combined measuring and detection system, comprising:
an electronic evaluation unit for analyzing a broad frequency spectrum of measured quantities, the electronic evaluation unit
comprising at least one frequency splitter for dividing the measured quantities into a low frequency component for a measurement
and protection analysis and into a high frequency component for detection of partial discharges;

a magnetic field sensor for measurement of a magnetic field, and an electric field sensor for measuring an electric field,
the magnetic field sensor and the electric field sensor being operatively connected to the electronic evaluation unit; and

at least one additional sensor selected from the group consisting of: a pressure sensor, an acoustic sensor, a humidity sensor,
a temperature sensor, and a radio-frequency interference sensor, the at least one additional sensor being at least one of
an external part and an internal part of the magnetic field sensor or the electric field sensor.

US Pat. No. 9,530,594

INTEGRATED PARTICLE TRAP IN A TANK OF A DEAD TANK CIRCUIT BREAKER

ABB SCHWEIZ AG, Baden (C...

1. A tank for a dead tank circuit breaker, the tank comprising:
a body having an interior volume defined by an interior surface,
a particle trap structure comprising:
a pair of recessed surfaces that are part of and disposed in a bottom portion of the interior surface, each recessed surface
being disposed in spaced relation with respect to the interior surface so as to define a channel, and

a raised surface that is part of the interior surface and is spaced from the recessed surfaces and separates the recessed
surfaces,

wherein the channels are constructed and arranged to trap foreign particles in the interior volume, with the raised surface
being constructed and arranged to raise an electric field in the interior volume to be above the channels so as to eliminate
electrical activity that would affect the particles in the channels,

wherein the raised surface is located generally at a level that is the same as that of the interior surface;
wherein the particle trap structure extends radially of the tank.

US Pat. No. 9,659,722

SWITCHING DEVICE AND RELATED SWITCHGEAR

ABB Schweiz AG, Baden (C...

1. A switching device for connecting and disconnecting a power line to and from, respectively, at least an associated electrical
load, comprising:
at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and
separated from a corresponding fixed contact, wherein the at least one phase of the switching device comprises:

an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor
devices, wherein said plurality of semiconductor devices are connected in series and are electrically connected to said fixed
contact and to said movable contact during a portion of the movement of said movable contact, and wherein said semiconducting
assembly is configured to be installed into said housing such that said plurality of said semiconductor devices completely
surround all sides of at least a portion of at least one of said fixed contact and said movable contact when coupled to the
fixed contact.

US Pat. No. 9,478,350

HIGH-VOLTAGE TRANSFORMER

ABB Schweiz AG, Baden (C...

1. A high-voltage transformer comprising: a transformer core having at least two core limbs, which are axially parallel; and
a hollow-cylindrical coil having at least one electrical winding arranged around each of the at least two core limbs; wherein
at least in partial regions of mutually facing surfaces of adjacently arranged coils, a respective surface region of the each
coil includes a respective electrically isolating barrier structure, which is integrated radially on an outside of the coils,
and wherein the barrier structure integrated radially on the outside at least one coil includes a lens shape structure that
is attached to an outer surface of the at least one coil without an additional barrier wall arranged between the coils.

US Pat. No. 9,473,014

MECHANICAL BYPASS SWITCH DEVICE, CONVERTER ARM AND POWER CONVERTER

ABB SCHWEIZ AG, Baden (C...

1. A mechanical bypass switch device arranged to be directly connected between the terminals of a first converter cell to
bypass the first converter cell in a power converter, the mechanical switch device comprising:
a mechanical switch;
a mechanical switch actuator arranged to make the mechanical switch conduct when supplied with an electric signal;
a first control input;
a second control input;
a first control switch whose electrical conductive state is controlled using the first control input;
a second control switch whose electrical conductive state is controlled using the second control input; and
a control switch combination comprising the first control switch connected in parallel with the second control switch;
wherein the control switch combination is serially connected with the mechanical switch actuator, and
wherein the mechanical bypass switch device is arranged such that a control signal, provided on either one of the first control
input and the second control input or on both of the first control input and the second control input, causes the mechanical
switch to conduct and such that the first control input is to be connected with a local control unit of the first converter
cell and the second control input is to be connected with a local control unit of a second converter cell.

US Pat. No. 9,660,440

DEVICE OF PROTECTION AGAINST TRANSIENT ELECTRICAL OVERVOLTAGES

ABB SCHWEIZ AG, Baden (C...

1. A device of protection against transient electrical overvoltages, comprising:
two voltage-limiting passive components,
disconnectors sensitive to a state of the components and adapted to individually disconnect each end of life component therefrom,
wherein the components are joined in parallel between a first and a second terminal of the device,
wherein a reference voltage of the first component is inferior to a reference voltage of the second component, and
wherein a ratio of the reference voltages is inferior to 2
and wherein, for a voltage applied between the first terminal and the second terminal exceeding the reference voltage of the
first component, the current flowing through the first component is greater than the current flowing through the second component
and the difference between the current flowing through the first component and the current flowing through the second component
is increasing when the voltage applied between the first terminal and the second terminal is increasing.

US Pat. No. 9,559,024

POWER SEMICONDUCTOR MODULE

ABB Schweiz AG, Baden (C...

1. A power semiconductor module, comprising:
a housing,
a substrate being arranged inside the housing,
at least one conductive path located on the substrate,
at least one power semiconductor device arranged inside the housing and arranged on said conductive path and electrically
connected to said conductive path,

at least one contact externally contacting said semiconductor device, and
a self-sustaining sensor system arranged inside the housing, the sensor system having a sensor configured to detect a physical
parameter and/or a chemical substance, a transmission device configured to wireless transmit data provided by the sensor to
a recipient outside the module, and an energy source configured to provide all required energy to the sensor system, and

wherein the sensor has at least one sensor configured to detect current, at least one sensor configured to detect voltage
magnetic fields, at least one sensor configured to detect mechanical stress, and at least one sensor configured to detect
humidity.

US Pat. No. 9,513,315

ELECTRO OPTICAL VOLTAGE TRANSDUCER SIGNAL PROCESSING SYSTEM

ABB SCHWEIZ AG, (CH)

1. A system for measuring a high electric voltage on an electrical transmission line comprising:
an electro optical voltage transducer sensor connected between said electrical transmission line and ground for providing,
in response to said measured high electric voltage, (1) a sine (Sin) optical intensity signal, and (2) a cosine (Cos) optical
intensity signal; and

a signal processor operating in a first state for digitally processing samples of said Sin and said Cos optical intensity
signals to provide a representation of said high electric voltage on said transmission line that can be used for one or more
of metering, relaying and transient capture

wherein said signal processor operating in said first state continuously calculates and memorizes parameters of said Sin and
said Cos optical intensity signals when said system is providing said representation of said measured high electric voltage
on said voltage electrical transmission, said signal processor operating in a second state when a low voltage fault is detected
on said electrical transmission line to provide from said memorized parameters and samples of said Sin and said Cos optical
intensity signals a representation of what said high electric voltage would be in the absence of said detected low voltage
fault to be used for one or more of metering, relaying and transient capture.

US Pat. No. 9,455,098

ELECTRICAL CIRCUIT SWITCH WITH VARIABLE GEAR RATIO

ABB Schweiz AG, Baden (C...

1. An electrical circuit switch comprising:
a first movable element configured to move in parallel along a first axis of said first moveable element in response to a
force applied to said first movable element, said force having a direction parallel to the first axis; and

a second movable element comprising a movable contact and being configured to, by means of said force, move said movable contact
in a direction parallel to a second axis between an open position and a closed position, corresponding to the switch opening
or closing an electrical circuit;

wherein the first axis forms an angle to the second axis; and
wherein the first movable element and the second movable element are pivotally connected to each other in a first joint.

US Pat. No. 9,528,697

ENERGY ACCUMULATION AND DISTRIBUTION

ABB Schweiz AG, Baden (C...

1. An energy accumulation and distribution system, comprising:
an energy accumulator for accumulating waste energy, the energy accumulator comprising:
a first electrical device adapted for receiving first waste energy to be accumulated from a braking power reserve;
a second electrical device adapted for receiving second waste energy to be accumulated from a power generation reserve;
an energy store adapted for accumulating said received first and second waste energy; and
a third energy interface adapted for providing the accumulated waste energy to at least one of an auxiliary energy exchanger
and a main steam line so as to distribute the accumulated energy.

US Pat. No. 9,455,340

POWER SEMICONDUCTOR DEVICE AND CORRESPONDING MODULE

ABB Schweiz AG, Baden (C...

19. A power semiconductor module comprising
at least two power semiconductor devices, each power semiconductor device having:
a wafer, on which wafer an emitter electrode is arranged on an emitter side of the wafer and a collector electrode is arranged
on a collector side of the wafer opposite to the emitter side,

wherein a planar gate electrode is arranged on the emitter side, which gate electrode comprises an electrically conductive
gate layer and an insulating layer, which insulates the gate layer from any layer of a first or a second conductivity type,
which is different from the first conductivity type, in the wafer,

wherein layers of the first and second conductivity type are arranged between the collector and emitter sides in the following
order:

a collector layer of the second conductivity type,
a drift layer of the first conductivity type, which drift layer has a constant doping concentration,
an enhancement layer of the first conductivity type, which has a higher maximum doping concentration than the drift layer,
which comprises a first enhancement region,

a base layer of the second conductivity type, which comprises a first base region and a second base region
a first emitter layer and a second emitter layer of the first conductivity type,
wherein the emitter electrode contacts the first base region and the first emitter layer at an emitter contact area,
wherein the first enhancement region is arranged between the first base region and the drift layer, which first enhancement
region separates the first base region from the second base region and the drift layer and which first enhancement region
contacts the second emitter layer,

wherein the first emitter layer is separated from the drift layer by the base layer and the first enhancement region,
wherein the second emitter layer is separated from the drift layer and from the first emitter layer by the base layer,
wherein an IGBT channel is formable from the first emitter layer via the first base region and the first enhancement region
to the drift layer,

wherein a thyristor channel is formable from the second emitter layer via the second base region to the drift layer,
wherein a MOS channel is formable from the first emitter layer via the first base region and the first enhancement region
to the second emitter layer, wherein a cascade of channels is formable from the first emitter layer to the drift layer via
the MOS channel and the thyristor channel,

the power semiconductor module characterized in that the enhancement layer further includes a second enhancement region, which
is arranged between the second base region and the drift layer and which enhancement layer separates the second base region
from the drift layer,

the power semiconductor module characterized in that the power semiconductor module comprises an electrically conductive connection
layer, which electrically connects the respective second emitter layers belonging to two neighbored power semiconductors devices
of said at least two power semiconductor devices.

US Pat. No. 9,445,236

RECORDING AND PROCESSING SAFETY RELEVANT OBSERVATIONS FOR FACILITIES

ABB Schweiz AG, Baden (C...

1. A computer-implemented method for recording a data set that relates to safety and security observations of technical equipment
that is part of a facility, the method being implemented with a mobile device that includes a location sensor and a data sensor,
the method comprising:
determining, in at least one hardware processor of the mobile device, that the mobile device is located in an event area being
a geographic area of the facility inside which events originate from the technical equipment in event categories, wherein
the event categories relate to one or more of: an emission of gas above a threshold, an absence of a particular piece of equipment,
or an emission of sound within a given frequency range or in repetitions with time intervals of a predefined duration;

activating, in the at least one processor, a detection component in the mobile device, the detection component being configured
to process data from the data sensor to detect at least one event that falls into at least one of in the event categories,
wherein an event is indicative of a risk or non-compliance with a rule; and

upon detecting the at least one event that falls into at least one of the event categories, providing to a second processor,
a data set with data from the data sensor of the mobile device in combination with a geographic location of the mobile device
from the location sensor for recording of the data set, wherein the providing of the data set depends on a proximity range
of the mobile device so that if the mobile device and the technical equipment are positioned in relation to each other outside
the proximity range the recording is avoided, with the proximity range being a function of the event category for which the
detection component is activated, or being determined by data resolution in combination with a distance from the data sensor
to the technical equipment or by a signal-to-noise ratio of the data sensor.

US Pat. No. 9,622,378

RECIRCULATING COOLING UNIT WITHIN A HOUSING

ABB SCHWEIZ AG, Baden (C...

1. A cooling unit comprising: a housing; a plurality of components which require supervision and maintenance, disposed in
the housing; a control cubicle disposed in the housing and including an equipment for controlling and supervising the cooling
unit; a service area defined by an open space in an interior of the housing, and surrounded by the plurality of components
and the control cubicle, the service area being configured to be capable of housing a human working in the open space, wherein:
said plurality of components and the control cubicle are arranged so that the plurality of components and the control cubicle
are accessible from the service area, and the housing is provided with an opening leading to the service area, the cooling
unit is arranged to recirculate a liquid to provide cooling, the plurality of components comprise: a liquid pump configured
to circulate the liquid; and a motor for driving the liquid pump, and the control cubicle includes: said equipment for providing
power supply to the motor for controlling start and stop of the motor; and a control panel for controlling the cooling unit,
the control panel including an electronic user interface with an electronic display device facing toward the service area
and being accessible from the service area, wherein the liquid pump is controllable from said control panel, and the electronic
user interface is configured to receive input from a user and provide communication to the equipment in the control cubical
to enable control and supervise of the cooling unit, wherein the plurality of components is positioned around the service
area on at least two sides, wherein the housing includes a bottom frame, the cooling unit is positioned on the bottom frame,
and the service area has a floor arranged in connection to the bottom frame.

US Pat. No. 9,515,845

UTILITY COMMUNICATION METHOD AND SYSTEM

ABB Schweiz AG, Baden (C...

1. A method of configuring a packet-switched wide-area communication network including a plurality of nodes interconnected
via inter-node links in a meshed topology, comprising:
identifying, between a send node and a receive node, first and second communication paths with no link or node in common except
for the send and receive nodes, wherein an intermediate node of the first communication path and an intermediate node of the
second communication path are interconnected via an inter-node link of the packet-switched wide-area communication network;

configuring, in the packet-switched wide-area communication network, a first Virtual Local Area Network (VLAN) and a second
VLAN based on the first and second communication paths, respectively; and

configuring the send and receive nodes to operate according to the Parallel Redundancy Protocol, with first and second communication
ports of the send node and first and second communication ports of the receive node being assigned to the first and second
VLAN, respectively.

US Pat. No. 9,494,635

ISLANDING DETECTION IN ELECTRICITY DISTRIBUTION NETWORK

ABB Schweiz AG, Baden (C...

13. A method of detecting an islanding condition in an electricity distribution network, the method comprising:
receiving a signal of the electricity distribution network;
determining an islanding condition based on the received signal;
determining a voltage total harmonic distortion change parameter for each phase component in the received signal;
determining a voltage unbalance change parameter in the received signal;
comparing each of the voltage total harmonic distortion change parameters and the voltage unbalance change parameter to respective
triggering conditions; and

concluding an islanding condition to have been detected when the voltage total harmonic distortion change parameter for each
phase component of the signal and the voltage unbalance change parameter fulfil their respective triggering conditions.

US Pat. No. 9,496,754

METHOD AND SYSTEM FOR POWER MANAGEMENT

ABB Schweiz AG, Baden (C...

1. A power management system for a plant electrical network including power distribution equipment, power actuators, local
generators and loads of an industrial plant, the system comprising:
a plant-wide communication network; and
a plurality of controllers for power management in the plant electrical network,
wherein the plurality of controllers are communicatively interconnected via the plant-wide communication network,
wherein a first controller from the plurality of controllers is configured for power management in a first local process area
within the plant electrical network by controlling power distribution equipment in the first local process area,

wherein at least a second controller from the plurality of controllers is configured for power management in a second local
process area within the plant electrical network by controlling power distribution equipment in the second local process area,

wherein at least one controller of the first controller and the second controller is configured to operate according to an
operation mode determined based on at least one of (i) collected electrical connectivity status between the first local process
area and the second local process area in the plant electrical network, and (ii) communication connectivity status information
between the first controller and the second controller on the plant wide communication network,

wherein the at least one controller is configured to perform power balance computations for the respective local process area
in accordance with the operation mode of the at least one controller,

wherein the at least one controller is configured to perform the power management in the respective local process area based
on the results of the power balance computations by providing commands for load shedding of the power distribution equipment
in the respective local process area to maintain a power balance condition in the respective local process area, and

wherein the at least one controller is configured to perform the power management based on priority definitions associated
with loads in the respective local process area.

US Pat. No. 9,490,612

SWITCHGEAR MANUAL CONTROL PLUG RACKING INTERLOCK STRUCTURE

ABB Schweiz AG, Zurich (...

1. An interlock structure for a circuit breaker, the circuit breaker having primary contacts connectable with a main bus,
and a control plug for providing an auxiliary control voltage, the interlock structure comprising:
a racking truck constructed and arranged to receive the circuit breaker and to move the circuit breaker with respect to a
rail, the racking truck comprising a rotatable racking screw for racking the circuit breaker, and a racking linkage associated
with the racking screw, and normally biased so as to be disengaged from the racking screw,

a socket constructed and arranged to receive the control plug,
linkage structure between the socket and the racking linkage,
the interlock structure being constructed and arranged such that 1) when the control plug is disconnected from the socket,
a portion of the linkage structure engages the racking linkage, causing a portion of the racking linkage, against the bias
thereon, to engage the racking screw, preventing the racking screw from rotating and thus preventing racking of the circuit
breaker, and 2) when the control plug is connected with the socket, the linkage structure is actuated thereby moving the portion
of the linkage structure to disengage from the racking linkage such that the portion of the racking linkage disengages from
the racking screw, permitting the racking screw to rotate thereby permitting the circuit breaker to be racked to a connected
position, where the primary contacts are connected to the main bus.

US Pat. No. 9,471,044

METHOD FOR DEBUGGING OF PROCESS OR MANUFACTURING PLANT SOLUTIONS COMPRISING MULTIPLE SUB-SYSTEMS

ABB Schweiz AG, Baden (C...

1. A method for debugging a control system of an industrial plant or parts of the industrial plant, the control system including
at least two different control sub-systems, on a plant or sub-system level and having specific programmable controller units
in devices including at least one of PLCs, DCSs, robots, drives, instruments and process specific components, the method comprising:
extracting, by at least one processor of a computing device of the control system, all specified parameters and signals of
the control system across the sub-systems of the control system, the devices, and technologies of the control system;

visualizing, by the at least one processor, the extracted parameters on a single sight;
defining, by the at least one processor, system-wide breakpoints by utilizing the extracted parameters; and
debugging, by the at least one processor, the control system by utilizing a subset of (i) at least one of the extracted signals
of the control system and the extracted parameters of the control system, and (ii) conditions related to at least one of the
extracted signals and the extracted parameters,

wherein the visualizing of the extracted parameters comprises displaying all of the extracted parameters simultaneously on
the single sight, and

wherein the system-wide breakpoints are defined across all sub-systems of the control system.

US Pat. No. 9,588,151

VOLTAGE AND/OR CURRENT SENSING DEVICE FOR LOW-, MEDIUM- OR HIGH VOLTAGE SWITCHING DEVICES

ABB Schweiz AG, Baden (C...

1. A sensing device for a low-voltage, medium-voltage or high voltage switching device, for connection to a terminal of such
a switching device and to ground potential, the sensing device comprising:
a first voltage sensing part;
a second voltage sensing part; and
a current sensing part arranged with the first and second voltage sensing parts in a single common sensing device housing
separate from the switching device, and having an output wire from the first voltage sensing part for sensing voltage at an
upper terminal of the switching device, the output wire extending within the sensing device housing and being insulated from
the current sensing part;

wherein the switching device and the sensing device comprise different devices, the first voltage sensing part, the second
voltage sensing part, and the current sensing part thereby being located in the sensing device housing separate from the switching
device.

US Pat. No. 9,484,169

VACUUM INTERRUPTER ARRANGEMENT FOR A MEDIUM VOLTAGE CIRCUIT BREAKER WITH CUP-SHAPED TMF-CONTACTS

ABB Schweiz AG, Baden (C...

1. A vacuum interrupter arrangement for a medium voltage circuit breaker comprising:
a vacuum housing that is cylindrically shaped within which a pair of electrical contacts can be coaxially arranged and concentrically
surrounded by the vacuum housing,

wherein the electrical contacts can be formed as a type of transverse magnetic field(TMF)-contact, each having a slotted cup-shaped
contact part which is attached to a distal end of a contact shaft and which is covered by a contact ring disposed on a rim
of the cup-shaped contact part,

wherein each cup-shaped contact part is provided with a vertical inward bending towards the contact ring, wherein an outer
diameter of a bottom section of the cup-shaped contact part is larger than an outer diameter of the rim of the cup-shaped
contact part in order to alter a Lorentz force on a constricted columnar arc to a respective inward direction, and

wherein the vertical inward bending on the cup-shaped contact part is provided with a flat flange section of the cup-shaped
contact part which is inwardly bent.

US Pat. No. 9,450,407

METHOD AND SYSTEM FOR POWER MANAGEMENT IN SUBSTATIONS

ABB Schweiz AG, Baden (C...

1. A method for power management in a plant electrical network comprising one or more upstream and downstream substations,
the one or more upstream and downstream substations comprising a plurality of power equipment, and wherein the power management
is carried out using one or more local controllers and a central controller, the one or more local controllers and the central
controller being configured for the power management in their respective local process areas within the plant electrical network,
and wherein the one or more local controllers and the central controller are also configured for communication in a plant
wide communication network, wherein the one or more local controllers and the central controller communicate with each other
and with a plurality of intelligent electronic devices associated with respective power equipment of the plurality of power
equipment, the method comprising:
receiving, at the central controller, load condition information which includes an amount of overload in at least one of the
power equipment along with a direction of the overload, from at least one local controller among the one or more local controllers
in the plant electrical network;

performing power balance computations, by the central controller, for plant wide power management considering the received
load condition information;

issuing, by the central controller, a power management command along with a priority information based on the direction of
the overload to the one or more local controllers in the plant wide communication network; and

carrying out load shedding by the central controller or the one or more local controllers in their respective local process
areas based on the power balance computations and the issued power management command.

US Pat. No. 9,515,462

SHUTTER DEVICE FOR AN ELECTRICAL SWITCHGEAR PANEL, AND RELATED SWITCHGEAR PANEL

ABB Schweiz AG, Baden (C...

1. A shutter device for an electric switchgear panel, the shutter device comprising:
a base configured to be placed on a bearing surface inside a switchgear panel, the base being configured to support a current
switching device, which is movable between a connected position wherein the switching device is electrically connected to
an associated electrical circuit and a disconnected position wherein the switching device is electrically separated from the
associated electrical circuit;

a frame having at least a portion which rises up transversally from the base and delimits a through aperture;
a movable shutter operatively associated with the base and the frame; and
an actuating mechanism connected to move the shutter between a first position where the shutter closes at least partially
the through aperture to prevent electrical connection of the current switching device with the electrical circuit and a second
position wherein the shutter is retracted and leaves the through aperture at least partially opened for allowing electrical
connection of the current switching device with the electrical circuit;

wherein the actuating mechanism is configured to move the movable shutter from the first position to the second position while
the current switching device is kept motionless on the base.

US Pat. No. 9,478,342

ACTUATOR FOR MEDIUM VOLTAGE SWITCHGEAR

ABB Schweiz AG, Baden (C...

1. An actuator for a switchgear, comprising:
a core including a package of core element layers made of magnetic material with permanent magnets between the core element
layers; a movable plate made of magnetic material, the movable plate configured to open or close a magnetic circuit to the
core;

an electromagnetic coil, which is surrounded by the core elements;
a central actuator rod;
at least one screw for mechanical connection of the core element layers and the permanent magnets, wherein the at least one
screw is oriented perpendicular to a plane of stacking of the core element layers, and a screw-hole for each at least one
screw is implemented through the core element layers and the permanent magnets, and wherein the screw-hole ends in a diameter
extended opening, so that a screwhead of the screw is positioned and recessed into the diameter extended opening; and

wherein the permanent magnets and/or the magnetic core material of the layers are dimensioned such that an amount of material
reduction volume of the permanent magnets and/or the magnetic core element layers according to the extended openings and/or
the screw holes, which are aligned through the permanent magnets, is added at flanks of the permanent magnets.

US Pat. No. 9,473,013

CONTROLLING A MODULAR CONVERTER WITH A PLURALITY OF CONVERTER MODULES

ABB Schweiz AG, Baden (C...

1. A method for controlling a modular converter with a plurality of converter modules, each converter module having two power
connectors, power semiconductors and an energy storage and/or an energy source, wherein the power connectors are short-circuited
in a first switching state of the power semiconductors and are connected to the energy storage and/or energy source in a second
switching state of the power semiconductors, the method comprising:
selecting possible future switching sequences of the modular converter based on an actual converter switching state, wherein
a switching sequence is a series of converter switching states with at least one converter switching state, and the converter
switching state includes switching states of the plurality of converter modules;

predicting a future current trajectory for each switching sequence based on actual internal currents and on actual internal
voltages;

determining candidate sequences from the switching sequences, wherein a candidate sequence is a switching sequence with a
current trajectory within predefined bounds with respect to a reference current or, when the current traiectory is outside
the predefined bounds, moves the current trajectory closer to the predefined bound;

predicting future module voltages for each candidate sequence based on actual module voltages and the current trajectory of
a respective candidate sequence;

evaluating a cost function for each candidate sequence, wherein the cost function is based on converter switching states of
at least one of the switching sequence, the future module voltages and future currents; and

selecting a next converter switching state as a first converter switching state of a candidate sequence with a minimal cost
among evaluated cost functions.

US Pat. No. 9,442,064

PHOTOMETER WITH LED LIGHT SOURCE

ABB Schweiz AG, Baden (C...

1. A photometer for measuring the concentration of a chromophore in a fluid, the chromophore absorbing light at a measurement
wavelength and absorbing substantially less light at a reference wavelength, the photometer comprising:
a light source including first, second, third and fourth light emitting diodes (LEDs), each of the first and second LEDs being
operable to generate measurement light at the measurement wavelength and each of the third and fourth LEDs operable to generate
reference light at the reference wavelength, the measurement light and the reference light following an optical path;

a sample cell for holding the fluid, the sample cell being positioned relative to the light source such that the optical path
passes through the sample cell; a heating system in thermal communication with the sample cell;

a detector arranged to receive the reference light and the measurement light after having passed through the sample cell,
the detector generating at least one signal proportional to the intensity of the reference light and the measurement light
received; and

wherein centers of the first and second LEDs are respectively arranged in diagonal first and second quadrants defined by perpendicular
first and second axes.

US Pat. No. 9,736,955

CIRCUITRY ON PRINTED CIRCUIT BOARDS IN A PLURALITY OF PLANES, HAVING AN INTERFACE FOR A PLUG-IN BOARD

ABB SCHWEIZ AG, Baden (C...

1. An electronic circuit, comprising:
a first printed circuit board, which extends in a first plane;
a second printed circuit board, which extends in a second plane, the second plane being parallel to the first plane and being
outside of the first plane;

a first connector device, which is in electrical contact with the first printed circuit board; and
a second connector device, which is in electrical contact with the second printed circuit board,
wherein the second connector device is arranged on a first side of the second printed circuit board facing away from the first
printed circuit board,

wherein both the first and second connector devices are configured together to receive an associated plug-in board,
wherein both of the first and second connector devices are configured together to electrically contact the associated plug-in
board using both the first and second printed circuit boards,

wherein the first connector device is arranged, at least in part, on a second side of the second plane facing away from the
first printed circuit board.

US Pat. No. 9,523,972

METHOD FOR DISTRIBUTED WAVEFORM RECORDING IN A POWER DISTRIBUTION SYSTEM

ABB Schweiz AG, Baden (C...

1. A distributed waveform recording method for event monitoring in a power distribution system, wherein the power distribution
system includes a plurality of devices communicatively connected in a plurality of hierarchical levels within the power distribution
system, the plurality of devices including a plurality of instrument transformers along with merging units deployed as process
level devices connected on a process bus within the plurality of hierarchical levels, a plurality of Intelligent Electronic
Devices (IEDs) deployed as bay level devices connected on a station bus and on the process bus within the plurality of hierarchical
levels, and a plurality of client computers deployed as station level devices connected on the station bus within the plurality
of hierarchical levels, the distributed waveform recording method comprising:
a) communicating, via at least one process level device, sampled measured value data on the process bus;
b) subscribing to and processing, via one or more configured IEDs, the sampled measured value data communicated by the at
least one process level device to identify an event;

c) issuing, via at least one IED from the one or more configured IEDs and based on identification of an event or at least
one client computer from the plurality of client computers, a waveform recording trigger to one or more devices among the
plurality of devices in the power distribution system using a Generic Object Oriented Substation Event (GOOSE) communication
or a Manufacturing Message System (MMS) communication; and

d) performing waveform recording, via the one or more devices among the plurality of devices in the power distribution system,
wherein the recording of waveforms is performed at different resolutions in different hierarchical levels of the power distribution
system by the one or more devices, based on the issued waveform recording trigger,

wherein data for identification of an event for waveform recording by the at least one IED and for waveform recording by the
one or more devices are derived from the sampled measured value data communicated by the at least one process level device,
and sourced from a single stream of the sampled measured value data for time synchronization.

US Pat. No. 9,525,348

POWER CONVERTER HAVING INTEGRATED CAPACITOR-BLOCKED TRANSISTOR CELLS

ABB Schweiz AG, Baden (C...

1. A converter for connecting a voltage source to a load, the converter comprising:
a plurality of ICBT (integrated capacitor blocked transistor) cells configured as switches and connected in series to form
a series connection path, each ICBT cell comprising a main transistor disposed in the series connection path and a series
connected auxiliary transistor and auxiliary capacitor coupled in parallel with the main transistor;

a main capacitor connected across the series connection path, the main capacitor having a greater energy-power ratio as expressed
in J/kVA than the auxiliary capacitors of the ICBT cells; and

a controller operable to develop a voltage across the main capacitor which exceeds a voltage rating of the ICBT cells, by
switching the ICBT cells so as to commutate current within the individual ICBT cells without the ICBT cells providing active
power to the load so that power flow is from the voltage source, to the main capacitor, to the load and not through the auxiliary
transistors and the auxiliary capacitors.

US Pat. No. 9,520,221

METHOD FOR FUNCTION MONITORING AND/OR CONTROL OF A COOLING SYSTEM, AND A CORRESPONDING COOLING SYSTEM

ABB Schweiz AG, Baden (C...

1. A method for monitoring the function and the operational reliability of a cooling system having at least one thermosyphon,
for transformers, the cooling system including at least one evaporator and at least one condenser, and using a coolant which
can be vaporized in the at least one condenser and a gaseous medium, as a heat carrier in the at least one evaporator, the
method comprising:
determining a heat exchanger effectiveness of the cooling system wherein a global effectiveness ? of the at least one thermosyphon
is determined using the relationship


which is a ratio of a difference between temperatures at a condenser inlet (Tenv) and at a condenser outlet (Tcondensout) to a difference between a temperatures at the condenser inlet (Tenv) and at an evaporator inlet (Tevapin),

comparing the evaporator inlet temperature with plural temperature threshold values;
comparing the global effectiveness ? of the at least one thermosyphon with plural effectiveness threshold values; and
generating a warning signal when comparison results based on the plural temperature threshold values and comparison results
based on the plural effectiveness threshold values are outside predetermined limits,

wherein temperature measurements are carried out one of sequentially to reduce a number of measurement channels used to record
temperature characteristic values or at a same time.

US Pat. No. 9,482,704

DETECTING SHORTED DIODES

ABB Schweiz AG, Baden (C...

1. A method for detecting a shorted diode in a bridge rectifier having two series-connected diodes for each phase of the bridge
rectifier, the method comprising:
determining a phase-to-phase voltage (Vab, Vbc, Vca) between two phase inputs of the bridge rectifier;

providing a phase input between the two series-connected diodes of each respective phase;
determining whether the phase-to-phase voltage is zero for more than a commutation time of the bridge rectifier; and
indicating a shorted diode fault when the phase-to-phase voltage is zero for more than the commutation time of the bridge
rectifier.

US Pat. No. 9,523,376

DISCRETE PILOT STAGE VALVE ARRANGEMENT WITH FAIL FREEZE MODE

ABB Schweiz AG, Baden (C...

1. An on-off pilot stage valve arrangement for controlling at least one main stage valve, comprising:
a first pilot valve discretely electrically operable between two states, an on state wherein the first pilot valve is open
and an off state wherein the first pilot valve is closed, the first pilot valve having an input at which there is a first
pressure and an output connected to said main stage valve,

a second pilot valve discretely electrically operable between two states, an on state wherein the second pilot valve is open
and an off state wherein the second pilot valve is closed, the second pilot stage valve having an input at which there is
a second pressure and an output connected to said main stage valve,

wherein both the pilot valves are configured to be off in case the arrangement loses electrical power,
the arrangement further comprising a first fixed flow restrictor connected between the first pressure and the main stage valve
and in parallel with the first pilot valve and a second fixed flow restrictor connected between the second pressure and the
main stage valve and in parallel with the second pilot valve.

US Pat. No. 9,535,414

SYSTEM AND METHOD FOR DISTRIBUTING AND EXCHANGING ELEMENTS FOR PLANNING AND/OR FOR OPERATING AUTOMATION OPERATING EQUIPMENT

ABB Schweiz AG, Baden (C...

1. A system for distributing and interchanging elements for a planning or an operation of automation-engineering resources
comprising:
at least one interface device;
at least one processing device;
at least one data memory, wherein the at least one interface device is configured to prompt an integrative connection to at
least one engineering tool or an integrative link to the at least one engineering tool, such that functionalities of the at
least one interface device and of the at least one processing device will be called from the at least one engineering tool
for execution, and wherein the at least one processing device in collaboration with the at least one interface device and
the at least one engineering tool is configured to transfer elements that have been created from a first engineering tool
or marked to the at least one processing device, and to process said elements or to make available said elements on the at
least one data memory for retrieval in, for transfer to, or implementation in at least one second engineering tool;

wherein the at least one processing device comprises a categorization tool for performing assessment or denotation of transferred
elements, and wherein the elements which have been transferred are limited or restricted on the basis of denotation;

when an element has been set or has been transferred to the system, at least one checking step with predetermined checking
criteria is performed, the predetermined checking criteria including quality, safety, reliability, and operation, and the
predetermined checking criteria being stored in memory for the check; and

wherein the element is first checked for test purposes in a first test check, and wherein in an event of a positive result
from the first test check, the element is enabled for use for test purposes, and then performing a second production check
on the respective element, and only then is the respective element enabled for production purposes in the event of a positive
result from the second production check.

US Pat. No. 9,153,677

INSULATED GATE BIPOLAR TRANSISTOR WITH HIGH EMITTER GATE CAPACITANCE

ABB SCHWEIZ AG, Baden (C...

1. An insulated gate bipolar transistor comprising:
a semiconductor substrate including an active cell region and a termination edge region, wherein the active cell region includes
a plurality of emitter regions and gate regions arranged between neighboring emitter regions, each gate region having a gate
polysilicon layer and a first insulating layer, wherein each gate polysilicon layer is arranged at a surface of the semiconductor
substrate in the gate regions and is separated from the semiconductor substrate by the first insulating layer;

a first SIPOS layer covered by a second insulating layer, wherein the first SIPOS layer and the covering second insulating
layer overlie at least portions of the gate polysilicon layer, the first SIPOS layer being thereby separated from the semiconductor
substrate;

an intermediate third insulating layer, wherein each gate region includes a central area and a peripheral area, and wherein,
in the central area, the gate polysilicon layer is in electrical contact with the overlying first SIPOS layer whereas, in
the peripheral area, the gate polysilicon layer is electrically separated from the overlying first SIPOS layer by an intermediate
third insulating layer; and

an emitter metal layer which overlies the plurality of emitter regions and the gate regions and, at the emitter regions, is
in direct contact with the surface of the semiconductor substrate and, at the gate regions, is in direct contact with the
second insulating layer.

US Pat. No. 9,668,376

ELECTRIC CONVERTER WITH COMPACT MODULE ARRANGEMENT FOR SUBSEA APPLICATIONS

ABB Schweiz AG, Baden (C...

1. An electric converter system, comprising
a housing for receiving a dielectric fluid;
at least two electric modules arranged within the housing, each of the at least two electric modules comprising a first space
and a second space, the first space comprising a connecting portion, a semiconductor element and a heat sink thermally connected
to the semiconductor element;

the second space comprising a capacitor element;
a cooling system for circulating the dielectric fluid to cool the electric modules; and
an inter module bus bar portion comprising a complementary connecting portion;
wherein the connecting portion is for being electrically connected to the complementary connecting portion of the inter module
bus bar portion, wherein the inter module bus bar portion is for electrically interconnecting one of the at least two electric
modules with another of the at least two electric modules via the connecting portions such that the respective first spaces
of the at least two electric modules are electrically interconnected to each other, said one electric module being proximate
to said another electric module;

wherein the connecting portion, the first space and the second space of each electric module are arranged in series; and
wherein the connecting portion is located on one side of the first space and wherein the second space is located on the opposite
side of the first space.

US Pat. No. 9,667,133

BLACK START OF A MULTILEVEL VOLTAGE SOURCE CONVERTER

ABB SCHWEIZ AG, Baden (C...

1. A multilevel voltage source converter comprising:
cells connected in cascade, each of the cells having:
a first and a second cell terminal;
a cell capacitor;
a first switch between a first end of the cell capacitor and the first cell terminal;
a second switch between a second end of the cell capacitor and said first cell terminal, where the second cell terminal is
provided via the first or the second end of the cell capacitor;

a first chargeable power supply unit connected in parallel with the first switch; and
a second chargeable power supply unit connected in parallel with the second switch; and
a black start control unit configured to perform, after the initial application of a DC voltage to a cell terminal of a cell
and the subsequent initial charging of the chargeable power supply unit of one of the switches, charging of an uncharged power
supply unit of the other switch through repeatedly turning on and off the switch with the initially charged power supply unit.

US Pat. No. 9,530,532

HYBRID CONDUCTOR WITH CIRCUMFERENTIAL CONDUCTING LAYERS

ABB Schweiz AG, Braden (...

1. A medium or high voltage conducting AC cable, comprising:
at least one conductor surrounded by a circumferential insulating layer, the at least one conductor having a cross-sectional
area equal to or greater than about 1000 kcmil and less than or equal to about 4000 kcmil; and,

at least one layer of conducting wires surrounding the insulating layer, wherein the at least one layer of conducting wires
surrounding the insulating layer includes a first and second layer of conducting wires separated by a second circumferential
insulating layer, and wherein each of the first and second layer of conducting wires has a cross-sectional area between about
250 kcmil to about 1000 kcmil.

US Pat. No. 9,472,337

ELECTROSTATIC SHIELD FOR A TRANSFORMER

ABB Schweiz AG, Baden (C...

1. An instrument transformer for measuring properties of electricity flowing in an elongated conductor, said instrument transformer
comprising:
a first core segment having at least one end surface;
a first encasement composed of a polymer resin, said first encasement encapsulating said first core segment except for said
at least one end surface;

a second core segment having at least one end surface;
a low voltage winding disposed around said second core segment;
an electrostatic shield electrically connected to said elongated conductor, said electrostatic shield having an arcuate recess
extending between a first side and a second side of said electrostatic shield along a direction of passage of said elongated
connector through the instrument transformer, and wherein said elongated conductor is not in contact with said arcuate recess;
and

a second encasement composed of a polymer resin, said second encasement encapsulating said electrostatic shield, said low
voltage winding and said second core segment except for said at least one end surface of said second core segment, said electrostatic
shield embedded in said polymer resin of said second encasement and disposed slightly beneath an outer planar surface of said
second encasement.

US Pat. No. 9,781,862

SUBSEA UNIT WITH CONDUCTION AND CONVECTION COOLING

1. A subsea unit comprising: a housing containing a dielectric liquid;
a first heat generating component; and
a second heat generating component, wherein the first heat generating component is arranged in thermal conductive connection
with the housing,

wherein the second heat generating component is arranged at a distance from a lateral side wall of the housing,
wherein the first heat generating component is arranged in thermal conductive connection with the lateral side wall of the
housing.

US Pat. No. 9,872,412

RAIL-MOUNTED CONTROL SYSTEM

ABB Schweiz AG, Baden (C...

1. A control system for mounting to a rail, the control system comprising:
a base including a body formed by a mounting portion and a side portion extending outwardly from a front side of the mounting
portion at about a right angle to form an L-shaped base, the side portion including an inner wall and an outer wall that define
a pocket therebetween opening opposite the rail with at least one connector housed in the pocket, the mounting portion further
including a circuit board connector at the front side of the mounting portion, the body having a channel formed therein that
is opposite the front side and adapted to receive the rail, the base further including a latching assembly being mounted to
the body that includes a movable lever and at least one latching member, the circuit board connector being located between
the lever and the side portion, the lever being movable between a latched position and an unlatched position, wherein the
movement of the lever between the unlatched and latched positions moves the at least one latching member into and out of the
channel, whereby when the rail is disposed in the channel and the lever is moved to the latched position, the at least one
latching member moves into the channel, thereby trapping the rail in the channel and securing the base to the rail; and

a module for removable mounting to the base, the module comprising circuitry for processing control signals, wherein when
the module is mounted to the base, the module covers the lever of the latching assembly so as to be inaccessible.

US Pat. No. 9,478,973

METHOD FOR TRANSFER OF CONTROL BETWEEN DEVICES IN A SUBSTATION SYSTEM AND A DEVICE THEREOF

ABB Schweiz AG, Baden (C...

1. A method for transfer of control between a first device in a substation system and a second device in the substation system,
wherein the first and the second devices are from a group of at least two devices connected in a substation communication
network, and wherein each device of the group of at least two devices connected in the substation communication network is
involved in at least one function in the substation system, the method comprising:
pre-configuring, during engineering of the substation system, one or more data models with one or more logical nodes containing
one or more data objects in the first device for a transfer of control, by defining a Generic Object Oriented Substation Event
(GOOSE) control block in a configuration file of the first device;

identifying an event in the substation system involving the transfer of control of the at least one function of the first
device to the second device;

exchanging, between the first device and the second device, at least one GOOSE message communication over the substation communication
network based on the event identified in the substation system, wherein the at least one GOOSE message communication includes
at least one data object of the one or more data objects pre-configured during the engineering of the substation system, wherein
the at least one data object includes a command associated with at least one of logical isolation, hot-standby and load sharing
functionality; and

relieving the first device from the at least one function of the first device through the second device based on exchange
of the at least one GOOSE message communication between the first device and the second device.

US Pat. No. 9,466,955

KNIFE SWITCH, A SWITCHING DEVICE COMPRISING A KNIFE SWITCH AND A SWITCHGEAR

ABB Schweiz AG, Baden (C...

1. A knife switch comprising a hinged contact knife, moveable between at least two positions, and a first electric contact
element, said contact knife being made of an electrically conductive material and being electrically connectable at a first
end to a first electric conductor, said first electric contact element being made of an electrically conductive material,
and further comprising an operator device for moving said contact knife between the at least two positions, of which a first
position is an open position in which a second free end of the contact knife is disconnected from any electrical contact,
and a second position is a first contact position in which the second free end of the contact knife is in electrical contact
with the first electric contact element, characterized in that the second free end of the contact knife comprises two knife
blades adjacent to each other and that each knife blade is provided with a dynamic electric field control device comprising
an electrically conductive element, and that the electrically conductive element has an at least partly spherical shape.

US Pat. No. 9,826,665

ELECTRICAL POWER CIRCUIT ASSEMBLY

ABB Schweiz AG, Baden (C...

1. An electrical power circuit assembly comprising:
a heat sink having a first surface portion and a second surface portion arranged in a common plane, and a region of reduced
thermal conductivity arranged between the first surface portion and the second surface portion;

a power semiconductor module including one or more power semiconductor devices, the power semiconductor module being in thermal
contact with the first surface portion of the heat sink for dissipating heat from the one or more power semiconductor devices
of the power semiconductor module to the heat sink via the first heat sink surface portion; and

a capacitor having an axis and a circumferential surface portion,
wherein the capacitor is arranged so that the axis of the capacitor is essentially parallel to the second heat sink surface
portion and the circumferential surface portion is in thermal contact with the second surface portion of the heat sink for
dissipating heat from the capacitor to the heat sink via the second heat sink surface portion and wherein the power semiconductor
module contacts only the first surface portion of the heat sink, the capacitor contacts only the second portion of the heat
sink and that the region of reduced thermal conductivity separates the first and second portions of the heat sink.

US Pat. No. 9,543,305

REVERSE CONDUCTING POWER SEMICONDUCTOR DEVICE

ABB SCHWEIZ AG, (CH)

1. A reverse-conducting power semiconductor device with a wafer having a first main side and a second main side, which is
arranged parallel to the first main side, the device comprising a plurality of diode cells and a plurality of gate commutated
thyristor cells, wherein each gate commutated thyristor cell comprises in the order from the first to the second main side:
a cathode electrode;
a first cathode layer of a first conductivity type;
a base layer of a second conductivity type different from the first conductivity type;
a first section of a drift layer of the first conductivity type;
a first anode layer of the second conductivity type; and
a first anode electrode,wherein each gate commutated thyristor cell further comprises a gate electrode, which is arranged lateral to the first cathode
layer and separated from the first cathode layer by the base layer,wherein the first cathode layer of each gate commutated thyristor cell includes at least three cathode layer regions, which
are separated from each other by the base layer,wherein in orthogonal projection onto a plane parallel to the first main side each one of the cathode layer regions is strip-shaped
with a length in a direction along a longitudinal axis thereof and a width (w, w?) in a direction vertical to the longitudinal
axis, the width (w, w?) of each cathode layer region being less than its length,wherein each diode cell comprises in the order from the first main side to the second main side:
a second anode electrode;
a second anode layer of the second conductivity type;
a second section of the drift layer; and
a second cathode layer of the first conductivity type,wherein the device comprises at least one mixed part, in which the second anode layers of the diode cells alternate with the
first cathode layers of the gate commutated thyristor cells in a lateral direction so that, in the orthogonal projection onto
the plane parallel to the first main side, the first cathode layer of each gate commutated thyristor cell in the mixed part
is arranged between a pair of second anode layers of two diode cells neighbouring to the gate commutated thyristor cell on
opposite sides of the gate commutated thyristor cell in the lateral direction, wherein the second anode layers are separated
from neighbouring base layers by a separation region of the first conductivity type,wherein in the mixed part, in the orthogonal projection onto the plane parallel to the first main side, in each gate commutated
thyristor cell, the width (w?) of each one of the two outer cathode layer regions is less than the width (w) of any intermediate
cathode layer region between the two outer cathode layer regions in that gate commutated thyristor cell.

US Pat. No. 9,590,530

CONTROLLING A MODULAR CONVERTER IN TWO STAGES

ABB Schweiz AG, Baden (C...

1. A method for controlling a modular converter, the modular converter including a plurality of converter modules configured
for converting an input voltage into an output voltage to be supplied to a load, the method comprising:
receiving a control input reference vector, a control input vector and a control input parameter vector;
determining a control output reference vector from the control input reference vector, the control input vector and the control
input parameter vector in a first control stage; and

controlling the converter modules by generating switching signals based on the control output reference vector in a further
control stage;

wherein the control output reference vector is determined by:
predicting at least one future state of the modular converter with a prediction model of the modular converter, wherein the
prediction model is adapted for calculating the future state of the modular converter based on an actual state of the modular
converter, a state of the modular converter having current values and/or voltage values of the modular converter;

enhancing the at least one future state with respect to an objective function by minimizing the objective function with respect
to a dynamical evolution in time of the prediction model, wherein the objective function is based on a cost value associated
with switching costs of the converter modules, the objective function penalizes differences between the control input reference
vector at a time step and a predicted evolution of the control input vector at the time step, and the objective function minimizes
a change in evolution of the control output reference vector; and

determining the control output reference vector from the future state.

US Pat. No. 9,888,612

HEAT EXCHANGER FOR POWER-ELECTRONIC COMPONENTS

ABB Schweiz AG, Baden (C...

1. Two-phase heat exchanger device for a power-electronic module arrangement having at least one semiconductor module, the
two-phase heat exchanger device comprising: a base plate configured for being in thermal contact with a first semiconductor
module at a first side of the base plate; and at least one tube element for a first cooling medium, the tube element comprising
a first portion having at least one evaporator channel and a second portion having at least one condenser channel; wherein
the base plate has a groove containing the tube element; wherein the groove is dimensioned for enabling thermal contact between
the base plate and the first portion of the tube element, and wherein the groove is dimensioned to form a gap between the
base plate and at least a part of the second portion of the tube element for thermal separation of the base plate and the
second portion of the tube element.

US Pat. No. 9,618,950

VOLTAGE CONTROL SYSTEM

ABB SCHWEIZ AG, Baden (C...

1. A voltage control system for medium voltage applications, comprising:
a booster-transformer and a feeder-transformer, each of the booster-transformer and the feeder-transformer having a respective
primary winding and a secondary winding, wherein the secondary winding of the feeder-transformer is electrically connected
with the primary winding of the booster-transformer by an intermediate circuit, wherein at least one of the transformer windings
in the intermediate circuit comprises at least two taps, from which one can be selected as an active tap, and wherein electrically
adjacent taps are assigned to different groups;

one or more contactor switches which are associated with each of the taps which are selectively switchable into the intermediate
circuit , wherein not more than one contactor switch of a group is switchable at the same time;

one or more commutation resistors connected in series with the taps of each group; and
a connector configured to connect the secondary winding of the booster transformer with an electrical energy supply network
such that the secondary winding of the booster transformer is connected in series with a transmission line having a voltage
that is to be controlled.

US Pat. No. 9,620,316

CIRCUIT-BREAKER POLE PART WITH A FLEXIBLE CONDUCTOR FOR CONNECTING A MOVABLE ELECTRICAL CONTACT

ABB Schweiz AG, Baden (C...

1. A pole part of a circuit-breaker arrangement, comprising:
an insulation housing for accommodating a vacuum interrupter having a pair of corresponding electrical switching contacts,
wherein a fixed upper electrical contact is connected to an upper electrical terminal molded or assembled in the insulation
housing and a movable lower electrical contact is connected to an electrical contact element of the insulation housing via
a flexible conductor including a first end for attaching the flexible conductor to the insulation housing and a second end
for attaching the flexible conductor to the movable lower electrical contact, wherein the second end of the flexible conductor
has an inside thread which is screwed to an outside thread arranged on a distal end of the movable lower electrical contact,
and wherein on the distal end the movable lower electrical contact has an inside thread that receives a threaded stud; and

a screw-nut for securing the flexible conductor on the movable lower electrical contact, wherein the screw nut is screwed
on the thread of the threaded stud and is arranged between the distal end of the movable lower electrical contact and a pushrod,
the pushrod being axially attached to the movable lower electrical contact via the threaded stud which is screwed in the inside
thread of the movable lower electrical contact.

US Pat. No. 9,570,250

GAS INSULATED SWITCHING DEVICE AND CAMERA SYSTEM FOR OPTICAL CHECK OF SWITCHING POSITION IN THE SWITCHING DEVICE

ABB SCHWEIZ AG, Baden (C...

1. A gas insulated switching device, comprising:
a gastight housing;
a switching unit, mounted in the gastight housing;
an optical window, configured such that an external camera can be positioned outside the gastight housing on a support element;
and

a switchable light source, configured to illuminate at least an area of the external camera,
wherein contacts and/or contact positions of one or more switches can be displayed by the external camera on a display screen,
wherein the switchable light source is configured to display the contact positions of the one or more switches,
wherein the external camera is a portable camera which is positionable only temporarily, and
wherein the support element and the camera include complementary units configured to temporarily position the portable camera
to the support element.

US Pat. No. 9,613,769

VACUUM INTERRUPTER FOR A CIRCUIT BREAKER ARRANGEMENT

ABB Schweiz AG, Baden (C...

1. A vacuum interrupter for a circuit breaker arrangement comprising:
a cylindrically shaped insulating part, within which a pair of electrical contact parts are coaxially arranged and surrounded
concentrically by the insulating part,

wherein the electrical contact parts include means for initiating a disconnection arc only between corresponding inner electrical
contact elements after starting a disconnection process, and corresponding outer electrical contact elements include means
for commutating said arc from the inner electrical contact elements to the outer electrical contact elements until the disconnection
process is completed,

wherein each inner electrical contact element is designed for generating a transverse magnetic field, and each outer electrical
contact element is designed for generating an axial magnetic field,

wherein each outer electrical contact element includes an electrical coil for generating the axial magnetic field, and each
inner electrical contact element has one of a disk, star or spiral shaped form for supporting or generating the transverse
magnetic field,

wherein for a double-contact system on both corresponding electrical contact parts the inner electrical contact element is
immovably arranged in relation to the outer electrical contact element, and one of the electrical contact parts is movable
in relation to the other electrical contact part for a switching function;

wherein each inner electrical contact element is coaxially arranged within a corresponding outer electrical contact element,
which has a pot-shaped or a tube-shaped geometrical form, and an insulation gap is established between each inner and each
outer electrical contact elements,

wherein each inner electrical contact element and each outer electrical contact element are integrated to form the electrical
contact element,

wherein each insulation gap is formed only between adjacent lateral edges of each inner and each outer electrical contact
elements.

US Pat. No. 9,557,350

ARRANGEMENT FOR MEASURING A CURRENT WITH A CURRENT TRANSDUCER OF THE ROGOWSKI TYPE

ABB Schweiz AG, Zurich (...

1. An arrangement for measuring a current, comprising:
a Rogowski type current transducer; and
transducer electronics,
wherein the current transducer includes:
a primary conductor winding having a first number of loops for carrying the rated current to be measured;
a secondary conductor winding of a helical shape, the secondary conductor having a pair of second terminals and a second number
of loops, said secondary conductor winding encircling the primary conductor in a toroidal manner;

a third conductor winding having a pair of third terminals with a third number of loops, wherein the third conductor winding
is adapted to receive a calibration current signal,

wherein the secondary conductor winding is adapted to induce a voltage signal VS? between the pair of second terminals, said voltage signal VS? including a coil sensitivity S and being a superposition of a rated current voltage signal and an additional calibration
signal, the rated current voltage being generated in response to a derivative of the rated current, and the additional calibration
signal being generated in response to the derivative of the calibration current signal, and

wherein the transducer electronics having an amplifier adapted to amplify both the current voltage signal and the calibration
signal, and the transducer electronics being configured to divide the amplified current voltage signal by a part of the amplified
calibration signal that contains the coil sensitivity and the gain.

US Pat. No. 9,571,000

METHOD FOR CONTROLLING OF A MODULAR CONVERTER

ABB Schweiz AG, Baden (C...

1. A method for controlling a modular converter,
a) the modular converter comprising a plurality of M converter cells, each converter cell comprising
i) an AC-to-DC converter, a primary side of which represents a primary side of said converter cell, said AC-to-DC converter
being an active AC-to-DC converter comprising a plurality of semiconductor switches, and operable in one of a plurality of
modes, the plurality of modes comprising a bypassed mode, an active mode, and a diode mode;

ii) a DC-to-DC converter, a secondary side of which represents a secondary side of said converter cell; with
iii) a secondary side of said AC-to-DC converter and a primary side of said DC-to-DC converter connected in parallel with
a DC-link capacitor, wherein

b) the primary sides of the converter cells are connected in series, with a first converter cell connected to a line, preferably
a medium voltage line, providing an AC line voltage U(t) having a peak value Û, and an M-th converter cell connected to a
ground;
the method comprising the steps of:
c) for a given allowable range [Umin, Umax] of a DC-voltage UDC at the DC-link capacitor

i) determining whether any integer number N?M exists for which
ii) Û/N
iii) Û/(N?1)>Umax; and

d) if the condition under c) is fulfilled
i) selecting an integer number L with L ii) selecting a first set of N?L converter cells,
iii) selecting a second set of L converter cells,
iv) putting the AC-to-DC converter of, preferably all, converter cells which have not been selected in steps ii) or iii) into
bypassed mode,

v) putting the AC-to-DC converter of, preferably all, converter cells from the first set into diode mode,
vi) putting the AC-to-DC converter of, preferably all, converter cells from the second set into active mode.

US Pat. No. 9,553,086

REVERSE-CONDUCTING SEMICONDUCTOR DEVICE

ABB SCHWEIZ AG, (CH)

1. A Reverse-conducting semiconductor device, which comprises a freewheeling diode and an insulated gate bipolar transistor
on a common wafer, part of which wafer forms a base layer of a first conductivity type with a first doping concentration and
a base layer thickness, wherein
the insulated gate bipolar transistor comprises a collector side and an emitter side opposite to the collector side of the
wafer, wherein

the base layer thickness is the maximum vertical distance between the collector and emitter side of that part of the wafer
with the first doping concentration,

a cathode layer of the first conductivity type and higher doping concentration than the first doping concentration, and an
anode layer of a second conductivity type, which is different from the first conductivity type, are alternately arranged on
the collector side, wherein

a plurality of source regions of the first conductivity type, a well layer of the second conductivity type and a gate electrode
having an electrically conductive gate layer, which is insulated from any layer of the first or second conductivity type by
a first insulating layer, are arranged on the emitter side, wherein

the cathode layer comprises at least one first region, wherein each first region has a first region width, wherein
the anode layer comprises at least one second region, wherein each second region has a second region width, and at least one
pilot region,

wherein each pilot region has a pilot region width, wherein
any region has a region width and a region area, which is surrounded by a region border, wherein
a shortest distance is the minimum length between a point within said region area and a point on said region border,
each region width is defined as two times the maximum value of all shortest distances within said region,
the reverse-conducting semiconductor device comprises an active region in a central part of the device, which active region
is an area within the wafer, which includes and is arranged in projection of the source region, well layer and gate layer,

wherein each pilot region area is an area having a width of at least two times the base layer thickness,
wherein the pilot region is laterally surrounded on the pilot region border by first regions, which have a distance from each
other of less than two times the base layer thickness,

wherein the at least one second region is that part of the anode layer, which is not the at least one pilot region,
wherein a mixed region comprises the at least one first and second regions,
wherein the at least one pilot region is arranged in the central part of the device such that the mixed region laterally surrounds
the at least one pilot region,

wherein the mixed region has a width of at least once the base layer thickness, wherein
the total area of the at least one pilot region is between 10% and 45% of the area of the mixed region, wherein
each first region width is smaller than the base layer thickness,
in each area on the emitter side, which lies in projection to one of the at least one pilot region, the plurality of source
regions have a first area density,

wherein
in each area on the emitter side, which lies in projection to the mixed region, the plurality of source regions have a second
area density,

wherein
the first area density is lower than the second area density.

US Pat. No. 9,544,165

DATA TRANSMISSION DEVICE FOR REMOTE MONITORING AND REMOTE CONTROLLING IN A DISTRIBUTED PROCESS SYSTEM

ABB Schweiz AG, Baden (C...

1. A remote terminal unit for integration and connection of a slave process in a station control system, wherein the remote
terminal unit is configured to exchange data with at least one master communication unit, and is connected with the slave
process,
wherein the remote terminal unit comprises functional units integrated in the remote terminal unit, the functional units being
interfaces for connecting the slave process to the at least one master communication unit according to the IEC 61850 standard,

wherein the functional units include:
at least one IEC61850 server configured for connecting to at least one master communication unit;
at least one IEC61850 client configured for connecting a slave station level through a IEC61850 station bus;
at least one first unit implemented as a protocol gateway and configured for connecting to the at least one master communication
unit and for connecting intelligent electronic devices by means of additional network protocols; and

at least one second unit configured for directly wiring with the slave process for connecting control and monitoring signals
to the IEC61850 station bus, and

wherein the remote terminal unit comprises a configurable filter function coordinating the data exchange between the functional
units.

US Pat. No. 9,555,441

DYNAMIC SYNCHRONIZED MASKING AND COATING

ABB Schweiz AG, Baden (C...

1. A computer-implemented method of coating a workpiece, comprising:
moving a coating applicator mounted to a coating dispensing robot relative to the workpiece with the coating dispensing robot;
selecting, from a plurality of removable masks, a first mask for coupling to a masking robot;
coupling the selected first mask to the masking robot;
moving, with the masking robot, the selected first mask mounted to the masking robot relative to a workpiece;
positioning the selected first mask between the coating applicator and the workpiece;
depositing at least a portion of coating dispensed by the coating applicator onto the workpiece and at least a portion of
the coating dispensed by the coating applicator onto the selected first mask while the selected first mask is positioned between
the coating applicator and workpiece;

releasing the selected first mask from being coupled to the masking robot; and
coupling a second mask of the plurality of removable masks to the masking robot, the second mask being a different mask than
the first mask.

US Pat. No. 9,543,087

CONTACT SYSTEM

ABB Schweiz AG, Baden (C...

1. An electrical switching device having a longitudinal axis (z), the electrical switching device comprising:
at least one contact arrangement, the contact arrangement including a first contact and a mating second contact, the first
contact including at least one contact finger;

wherein the contact finger is configured to be elastically deformed in a radial direction upon closing the electrical switching
device;

wherein for closing and opening the electrical switching device at least one of the first contact and the mating second contact
is movable parallel to the longitudinal axis (z) and cooperates with the other contact;

wherein the contact finger includes, at its free end, a first impact area in which a first contacting to the mating second
contact occurs when closing the electrical switching device; and

wherein the first impact area is formed by a first planar surface which is arranged at an inclination angle (?) larger than
zero degrees with respect to the longitudinal axis (z), wherein the first planar surface is a flat area.

US Pat. No. 9,620,302

STORAGE MODULE FOR A HYDRAULIC STORED-ENERGY SPRING MECHANISM

ABB Schweiz AG, Baden (C...

1. A storage module for a hydraulic drive for actuating a high-voltage switch, the storage module comprising:
a pressure-tight housing including (i) a first sub-channel hydraulically connectable to the hydraulic drive and (ii) a second
sub-channel hydraulically connectable to the hydraulic drive;

a spring element acting as an energy store;
a moveable storage piston projecting into the pressure-tight housing; and
a fluid for transferring energy from the spring element via the movable storage piston to the hydraulic drive for actuating
the high-voltage switch;

wherein the pressure-tight housing is filled with the fluid and the housing forms a storage reservoir for the fluid;
wherein the storage reservoir is pressurized by the fluid when the spring element actuates the movable storage piston at high-pressure;
wherein the storage reservoir is hydraulically connected to the second sub-channel; and
wherein the movable storage piston (i) blocks a hydraulic connection between the storage reservoir and the first sub-channel
during a first range of a stroke of the movable storage piston and (ii) opens the hydraulic connection between the storage
reservoir and the first sub-channel during a second range of the stroke of the movable storage piston.

US Pat. No. 9,620,319

COIL ACTUATOR FOR A SWITCHING DEVICE AND RELATED SWITCHING DEVICE

ABB SCHWEIZ AG, (CH)

1. A coil actuator for an associated current switching device which can be actuated during its operation from an open position
to a closed position to allow a current flowing therethrough and from said closed position to said open position to interrupt
such flowing current, said coil actuator comprising:
a coil electromagnet arranged to move between a rest position and an actuating position, wherein the movement from the rest
position to the actuating position causes the actuation of said switching device,

wherein said coil actuator includes electronic means arranged to count an operation time (Topen, Tclose) which is indicative of the duration of said actuation of the switching device.

US Pat. No. 9,570,257

METHOD FOR CONTROLLING A CONTACTOR DEVICE, AND CONTROL UNIT

ABB Schweiz AG, Baden (C...

1. A method performed in a control unit for opening a contactor device, the contactor device comprising a carrier being movable
between a closed position in which a current is allowed to flow in a current path and an open position in which the current
path is broken, the control unit being configured to enable the movement of the carrier between the closed position and the
open position by energizing a coil of an electromagnetic circuit, the method comprising:
initiating the opening of the contactor device by de-energizing the coil, wherein the de-energizing comprises using a demagnetization
circuit comprising a discharge element, the discharge element being arranged to consume energy in the coil,

bypassing, at a first point of time, the discharge element, and
re-energizing the coil.

US Pat. No. 9,571,157

UTILITY COMMUNICATION METHOD AND SYSTEM

ABB Schweiz AG, Baden (C...

1. A method of transmitting teleprotection commands from a first substation to a second substation of an electric power network,
wherein the commands are exchanged as part of command messages within the two substations, comprising:
transmitting the command messages transparently over an inter-substation channel from the first to the second substation;
and

exchanging, after a command message is sent over the inter-substation channel, in periods where no command messages are transmitted
from the first to the second substation, a controllably variable number of Channel Supervision and Monitoring CSM messages
between the two substations over the inter-substation channel; and

evaluating the CSM messages in determining an availability of the inter-substation channel.

US Pat. No. 9,999,151

SUPPORT STRUCTURE FOR POWER ELECTRONICS

ABB Schweiz AG, Baden (C...

1. A support structure arrangement for a modular converter, the support structure arrangement comprises:a plurality of support structures each of the plurality of support structures comprises:
a holder for the insertion of at least one power electronics module;
a support frame which is composed of pipes which are connected to one another and form corners and edges of an electrically conductive outer geometry of the support structure, which outer geometry surrounds the holder,
wherein the corners and edges have a radius of curvature which is greater than a prespecified minimum radius, the prespecified minimum radius corresponding to a desired system voltage of the power electronics module, and wherein the outer geometry is designed to homogenize an electrical field strength on an outside of the support structure; and
wherein the support structures are arranged in a row;
a coolant pipe, which is composed of insulating material, for providing cooling liquid for each of the at least one power electronics modules in the plurality of the support structures;
wherein the coolant pipe is guided along the row within the outer geometries of the support structures;
at least one electrode, which is arranged in the coolant pipe, within the outer geometry of each of the plurality of the support structures which is electrically conductively connected to each of the plurality of the support structures and/or to each of the at least one power electronics modules in the plurality of the support structures in such a way that the electrode is at the potential of each of the plurality of the support structures and/or of each of the at least one power electronics modules;
wherein the electrode is arranged in a first support structure in the row, and a further electrode is arranged in the last support structure of the row.

US Pat. No. 9,601,856

CONNECTING DEVICE FOR A SWITCHGEAR APPARATUS

ABB Schweiz AG, Baden (C...

1. Connecting-device for a switchgear apparatus, comprising:
tulip-cluster-portions for electrically engaging with a contact-stud-element;
a mounting-end-part for the mechanical connection to a pole-terminal;
conductive-transmitting-portions for transmitting electrical current from said contact-stud-element to said pole-terminal,
each of said conductive-transmitting-portions extending from the respective tulip-cluster-portion to a respective base-portion
of said mounting-end-part, wherein said tulip-cluster-portions with the respective conductive-transmitting-portions and with
the respective base-portions are integral with one other so as to define respective single-piece-portions; and

internally a rest-abutment-element for said finger-projections, said finger-projections being resiliently pre-loaded so as
to abut against said rest-abutment-element when said connecting device is disengaged from said contact-stud-element.

US Pat. No. 9,577,481

ROTOR FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE INCLUDING THE SAME

ABB Schweiz AG, Baden (C...

1. A rotor for an electric machine comprising:
a rotor core having a plurality of flux guide sections located along a circumferential direction of the rotor core, each of
the plurality of flux guide sections establishing a plurality of flux paths made of a material of high permeance and a plurality
of flux barriers made of a material of low permeance located alternately along a radial direction of the flux guide section,
each of the plurality of flux barriers extending from a first extremity to a second extremity, the first and the second extremities
being situated adjacent a surface of the rotor core and being spaced apart from one another in a circumferential direction,
each of the plurality of flux barriers defining a corresponding imaginary centre line extending from a first point on a rotor
surface to a second point on a rotor surface, the first point and the second point being spaced apart from one another at
the rotor surface in a circumferential direction of the rotor, the rotor core including:

a plurality of bridges made of a material of high permeance, each of the plurality of bridges extending across a corresponding
flux barrier;

a plurality of permanent magnets, each one of which is located adjacent a corresponding bridge and configured to saturate
the corresponding bridge, a magnetization direction of each of the plurality of permanent magnets diverging from a direction
in which the corresponding bridge extends across the flux barrier; and

a plurality of rotor sheets having stacked in an axial direction, each of the plurality of rotor sheets comprising a plurality
of flux guide sections located along a circumferential direction of the rotor sheet, the plurality of flux guide sections
of the rotor core being formed by the plurality of flux guide sections of the stacked rotor sheets, and the plurality of permanent
magnets include at least one axial magnet located axially adjacent a corresponding bridge, each axial magnet being axially
pressed between two elements at least one of which is a bridge corresponding to the axial magnet.

US Pat. No. 10,064,260

GROUND SYSTEM FOR HIGH VOLTAGE SEMICONDUCTOR VALVE

ABB SCHWEIZ AG, Baden (C...

1. A high voltage valve arrangement comprising:a high voltage valve unit;
an external electric shield structure arranged at least partially around the high voltage valve unit;
a grounding system, the grounding system comprising an extendable grounding device on a lateral side of the high voltage valve unit and configured to be remotely extended in a vertical direction from a retracted position to an extended position, wherein the extendable grounding device establishes electric connection with the external shield structure when it is extended from the retracted position, and wherein the extendable grounding device is configured to be mounted in a ceiling of a structure; and
a plurality of guide elements, which are electrically connected to the electric shield structure, wherein the extendable grounding device is configured to establish electric connection with at least some of the guide elements when it is in the extended position.

US Pat. No. 9,649,647

PAINT COLOR CHANGER

ABB SCHWEIZ AG, Baden (C...

1. A color changer, comprising a base module having at least two input channels;
at least one output channel for paint material connectable to each of the at least two input channels;
at least two paint valves, each of the at least two paint valves corresponding to one of the at least two input channels and
configured to close the corresponding input channel and to be opened by the application of air pressure; and

at least two pilot air channels, each of the at least two pilot air channels corresponding to one of the at least two paint
valves and configured to convey air pressure to the corresponding paint valve to open the corresponding paint valve, wherein
each of the at least two pilot air channels comprises a blow hole, each blow hole being arranged along a path; and

a closing device configured to close each of the blow holes, the closing device comprising a plug, the plug being configured
to close any of the blow holes and being movable along the path relative to the base module.

US Pat. No. 9,616,565

ADJUSTING PARAMETERS OF A DYNAMICAL ROBOT MODEL

ABB Schweiz AG, Baden (C...

1. A method for tuning a dynamical model of an industrial robot on a foundation, the method comprising the steps of:
providing, with a parameter determining device, a first dynamical model of the robot, the first dynamical model comprising
first model parameters representing dynamical properties of the robot;

providing, with the parameter determining device, a second dynamical model of the foundation the robot is attached to, the
second dynamical model comprising second model parameters representing dynamical properties of the foundation;

obtaining, with the parameter determining device, information about dynamical properties of the foundation by moving the robot
and by measuring at least one property affected by the movement;

setting, with the parameter determining device, at least one of the second model parameters on the basis of the dynamical
properties of the foundation; and

controlling the robot using the first dynamical model and the second dynamical model.

US Pat. No. 9,608,551

REDUCING PEAK FAULT OUTPUT CURRENT IN A DC POWER GENERATION SYSTEM

ABB Schweiz AG, Baden (C...

1. A direct current (DC) power generation system for reducing peak fault output current, the DC power generation system comprising:
a generator configured to generate an alternating current (AC) power output in response to an excitation, wherein the generator
includes a plurality of rotor poles and each rotor pole includes a corresponding damper winding, wherein each damper winding
includes a plurality of damper bars secured to the corresponding rotor pole by a pair of end rings, wherein each end ring
comprises at least two end ring mounts electrically isolated from each other and wherein each end ring mount secures at least
one damper winding to the corresponding rotor pole;

a rectifier array configured to convert the AC power output to a DC power output in response to a control signal; and
a controller electrically coupled to rectifier array to control operation of the rectifier array, wherein the controller is
configured to generate the control signal based on an oscillation component of the DC power output.

US Pat. No. 9,581,980

METHOD AND SYSTEM FOR UPDATING A MODEL IN A MODEL PREDICTIVE CONTROLLER

ABB Schweiz AG, Baden (C...

1. A method for updating a model in a model predictive controller of a distributed control system in a process plant, the
method comprising:
assessing deviation of operating performance level from desired performance level of the process plant;
diagnosing model predictive control (MPC) for model plant mismatch (MPM), for updating the model in the model predictive controller
and of the MPC thereof; wherein diagnosing said MPC comprises:

a. determining a model prediction error in relation to MPM, wherein determining the model prediction error in relation to
MPM comprises:

adding white noise to set point values of controllers in the process plant;
providing set points with white noise to the controllers in the process plant and to the model of the MPC; and
estimating the model prediction error by calculating a difference between output values of the process plant and of the model
of the MPC; and

b. quantifying the MPM using non-zero lag correlation coefficients between the model prediction error and each of the manipulated
variables of said MPC, said manipulated variables of the MPC being the set point values with added white noise of the controllers
in the process plant; and

c. updating the model in said model predictive controller for operation of the process plant based on the quantified MPM.

US Pat. No. 9,653,238

EMBEDDED POLE PART WITH AN ISOLATING HOUSING

ABB Schweiz AG, Baden (C...

1. An embedded pole part, comprising:
an isolating housing, which includes a vacuum interrupter and electric terminals by an injected embedding material, wherein
the injected embedding material is filled with silica based on silicon dioxide as filler material,

wherein the silica is silica fume microsilica, which includes amorphous, non-porous spheres of silicon dioxide and agglomerates
thereof, and

wherein an average particle size of the amorphous, non-porous spheres of silicon dioxide is smaller than 0.3 micron.

US Pat. No. 9,601,281

MULTIPHASE CIRCUIT BREAKER SYSTEM HAVING A SHORT-CIRCUIT LINK

ABB Schweiz AG, Baden (C...

1. A circuit breaker system containing a plurality of phase conductors, a circuit breaker having a plurality of breaker poles,
and a short-circuit link which has a star point and a plurality of link conductors which are combined at the star point, wherein
each of the phase conductors is electrically conductively connected to in each case one of the breaker poles, and wherein
each link conductor is electrically conductively connected to in each case one of the phase conductors by means of in each
case one of several first disconnectors to which short-circuit current can be applied, wherein the circuit breaker system
further has a second disconnector which, when it is closed, electrically conductively connects the star point to ground and
which is opened when a short-circuit current is applied to the short-circuit link.

US Pat. No. 9,571,022

ELECTRICAL GENERATOR WITH INTEGRATED HYBRID RECTIFICATION SYSTEM COMPRISING ACTIVE AND PASSIVE RECTIFIERS CONNECTED IN SERIES

ABB SCHWEIZ AG, Baden (C...

1. A system for electrical direct current (DC) generation, the system comprising:
a control circuit, and
an electrical machine, the electrical machine having:
a positive output terminal;
a negative output terminal;
a plurality of three-phase stator winding sets, each set comprising three single-phase coils; and
a plurality of rectifiers, each rectifier connected to a respective set of the plurality of stator winding sets, wherein the
plurality of rectifiers includes at least one passive rectifier and at least first and second active rectifiers;

wherein the first and second active rectifiers and the at least one passive rectifier are connected in series with the passive
rectifier between the first and second active rectifiers to form a DC bus;

the DC bus having a positive terminal and a negative terminal;
wherein the positive terminal of the DC bus is connected to the positive output terminal of the electrical machine,
wherein the negative terminal of the DC bus is connected to the negative output terminal of the electrical machine;
wherein the first and second active rectifiers each comprise a set of insulated gate bipolar transistors, each transistor
in parallel with a protection diode,

wherein the passive rectifier between the first and second active rectifiers comprises three sets of diode pairs, with each
set of diode pairs connected to a respective single-phase coil of the respective three-phase stator winding set to which the
passive rectifier is connected;

wherein the first and second active rectifiers are regulated by the control circuit via control signals to control at least
one of a current flowing through the DC bus and an output voltage of the electrical machine; and

wherein the control circuit is configured to respond to detected fault conditions by making adjustments to the control signals
supplied to the first and second active rectifiers.

US Pat. No. 9,620,960

CONTROL OF A STABILIZING ENERGY STORAGE IN A MICROGRID

ABB SCHWEIZ AG, Baden (C...

1. A method performed by control units, each for controlling a respective energy storage, configured for stabilizing a microgrid,
the method comprising each of the control units:
obtaining a local deviation signal related to a voltage and/or frequency deviation from a local reference, as measured at
a local point of the microgrid where the energy storage is connected and able to inject real and/or reactive power into the
microgrid for stabilizing said microgrid;

obtaining a common deviation signal related to a voltage and/or frequency deviation from a common reference, as measured at
a common point of the microgrid which is different from the local point, wherein the common deviation signal is identical
for all the control units;

controlling the injection of real and/or reactive power by the energy storage into the microgrid based on the common deviation
signal as long as the local deviation signal satisfies a first criterion;

switching from controlling the energy storage based on the common deviation signal to controlling the energy storage based
on the local deviation signal in response to the local deviation signal satisfying a second criterion; and

returning from controlling the energy storage based on the local deviation signal to controlling the energy storage based
on the common deviation signal in response to the local deviation signal satisfying a third criterion.

US Pat. No. 9,601,399

MODULE ARRANGEMENT FOR POWER SEMICONDUCTOR DEVICES

ABB Schweiz AG, Baden (C...

1. A module arrangement for power semiconductor devices, comprising:
one or more power semiconductor modules, wherein the one or more power semiconductor modules each includes a substrate with
a first surface and a second surface being arranged opposite to the first surface,

wherein for each of the one or more modules, the substrate is at least partially electrically insulating, a conductive structure
is arranged at the first surface of the substrate, and at least one power semiconductor device is arranged on said conductive
structure and electrically connected thereto,

wherein the one or more modules each comprises an inner volume for receiving the at least one power semiconductor device,
the inner volume of at least one of the one or more modules being hermetically sealed from its surrounding by a module enclosure,

wherein the module arrangement comprises an arrangement enclosure at least partly defining a volume for receiving the one
or more modules, wherein the arrangement enclosure covers said volume, and

wherein the arrangement enclosure hermetically seals the volume defined therefrom.

US Pat. No. 9,601,257

WIND-ON CORE MANUFACTURING METHOD FOR SPLIT CORE CONFIGURATIONS

ABB Schweiz AG, Baden (C...

1. A method of providing a portion of a transformer comprising:
forming a core of the transformer by:
providing transformer core material,
cutting individual laminations from a single sheet of material,
bending each individual lamination, one individual lamination at a time, into a generally C-shaped member,
after the bending, stacking certain of the members to define a first core portion having a main leg and two opposing end legs,
after the bending, stacking other of the members to define a second core portion having a main leg and two opposing end legs,
arranging the main legs of the first and second core portions in a back-to-back manner to define the core having a core leg
defined by the two main legs, and opposing core yokes, defined by the opposing end legs of the first and second core portions
thereby eliminating a core annealing process in forming the core, and

winding conductive material directly around the core leg to form a primary winding and secondary winding in any order of arrangement,
thus providing a first transformer portion.

US Pat. No. 9,601,260

METHOD OF MANUFACTURING AN ELECTROMAGNETIC INDUCTION DEVICE AND AN ELECTROMAGNETIC INDUCTION DEVICE

ABB Schweiz AG, Baden (C...

12. An electromagnetic induction device having On-Load Tap Changer (OLTC) capabilities, wherein the electromagnetic induction
device comprises:
an electromagnetic core housing,
an electromagnetic core within the electromagnetic core housing,
windings arranged around the electromagnetic core,
suspension means, and
an OLTC interface barrier arranged to act as a barrier between an interior of the electromagnetic core housing and an OLTC
unit, the OLTC interface barrier having a first set of electrical connections arranged to be connected to the windings and
a second set of electrical connections arranged to be connected to the OLTC unit, wherein the suspension means is arranged
to suspend the OLTC interface barrier from one of the electromagnetic core or the electromagnetic core housing such that the
OLTC interface barrier is movable.

US Pat. No. 9,666,329

OIL-OIL BUSHING AND OIL TRANSFORMER

ABB Schweiz AG, Baden (C...

1. An oil-oil bushing, comprising:
a rotationally symmetrical, paraboloid-like, hollow bushing element of a solid insulating material, along an axial extent
of which there is formed radially toward an inside a tubular bushing channel, a wall thickness of which is tapered conically
toward at least one of its two ends;

an electrical bushing conductor fitted into the bushing channel with a form fit and protruding from it on both sides;
a respective hollow-cylindrical shielding element of a conductive material positioned at one of the two axial ends of the
bushing channel, which element is thick-walled at least in certain regions, which element encloses on its one side a respective
end of the bushing channel with the bushing conductor protruding from it, and another side of the shielding element being
configured for receiving and electrically contacting a respective connecting conductor, axial ends of the shielding element
being of a round design; and

contacting means provided in the shielding element for its electrical contacting with the protruding bushing conductor or
with a received connecting conductor, wherein the contacting means include at least one thread running radially through a
wall of the shielding element, and a screw arranged therein for fixing the protruding bushing conductor or a received connecting
conductor.

US Pat. No. 9,614,577

CLOCK SYNCHRONIZATION FOR LINE DIFFERENTIAL PROTECTION

ABB Schweiz AG, Baden (C...

1. A method of synchronizing a first clock and a second clock located respectively at a first end and a second end of an AC
power line, the method comprising:
producing a first representation of an oscillating power line quantity by measuring the power line quantity at the first end
of the power line, and time-stamping the first representation by the first clock;

producing a second representation of the oscillating power line quantity by measuring the power line quantity at the second
end of the power line, and time-stamping the second representation by the second clock;

comparing the first and the second representations to determine a clock time offset between the first clock and the second
clock;

adjusting one or both of the first clock and second clock to reduce the determined clock time offset; and
checking whether a Line Differential Protection function signals fault-free operation of the power line, wherein the adjusting
of the one or both of the first clock and second clock does not occur until a fault-free operation is restored and signaled.

US Pat. No. 9,609,609

UPDATING DATA OF A CONTROLLER OF A PRIMARY DEVICE OF A POWER SUBSTATION

ABB Schweiz AG, (CH)

1. A method for updating a controller of a primary device of a power substation, the method comprising the steps:
receiving an actual time (tg) from a time server via a cell phone communication network with a mobile device; and

sending, with the mobile device, the actual time (tg) via a local wireless communication network to the controller.

US Pat. No. 9,589,753

METHOD FOR CONTROLLING A CONTACTOR DEVICE, AND CONTROL UNIT

ABB Schweiz AG, Baden (C...

1. A method performed in a control unit for closing a contactor device, the contactor device being movable between a closed
position in which a current is allowed to flow in a current path and an open position in which the current path is broken,
the control unit being configured to enable the movement between the closed position and the open position by energizing a
coil of an electromagnetic circuit, the method comprising:
applying a voltage over the coil,
determining, during a first period of time, current through the coil and voltage over the coil and estimating based thereon
model parameters for a model predicting the behavior of the current through the coil if the contactor device were to stay
in an open position, and

measuring, after the ending of the first period of time, current through the coil and determining a difference between, on
the one hand the measured current and, on the other hand a predicted current of the model, and repeating the measuring and
determining until a state change from open position to closed position is detected by the difference in current.

US Pat. No. 9,562,547

ELECTRIC HYDRAULIC ACTUATOR

ABB Schweiz AG, Braden (...

1. An apparatus comprising:
a piston assembly having a piston and a piston rod extending from the piston, the piston assembly defining a piston assembly
interior;

a reservoir located within the piston assembly interior;
a housing, wherein the piston assembly is located within the housing to define a chamber region including a piston side chamber
and a rod side chamber, the piston assembly moveable within the housing so that respective volumes of each of the piston side
chamber and the rod side chamber are variable; and

a pump for moving fluid between the reservoir and the chamber region.

US Pat. No. 9,626,634

INDUSTRIAL PLANT EQUIPMENT, PROCESS AND MAINTENANCE OPTIMIZATION

ABB Schweiz AG, Baden (C...

1. A method, comprising:
obtaining at least first, second and third data corresponding to an industrial plant, wherein the first data is indicative
of a performance of equipment of the industrial plant, the second data is indicative of a process of the industrial plant,
and the third data is indicative of a reliability of the industrial plant;

analyzing the first, second and third data with respect to a plurality of predetermined metrics of the industrial plant
generating a signal that (1) is indicative of a primary recommendation for at least one of use of the equipment or implementation
of the process by one or more configured computer processors based on a result of the analyzing, and (2) compares the primary
recommendation and a secondary recommendation to a current state of each of the plurality of predetermined metrics, the primary
recommendation having a different impact than the secondary recommendation on at least one metric of the plurality of predetermined
metrics;

implementing the primary recommendation or the secondary recommendation to adjust at least one of the use of equipment or
the process of the industrial plant.

US Pat. No. 9,599,401

METHOD AND A CONTROL SYSTEM FOR CONTROLLING A MELTING AND REFINING PROCESS

ABB Schweiz AG, Baden (C...

1. A control system for controlling a melting process in an electric arc furnace for melting a metal, wherein the electric
arc furnace comprises molten and solid metal and a slag layer on the surface of the molten metal and, wherein an electromagnetic
stirrer is arranged to stir the molten metal, the control system comprising a control unit configured to carry out the steps
of calculating/determining masses of the molten and solid metal at a point of time, wherein the calculation is based on initial
values of the molten and solid metal, an arc power supplied to the electric arc furnace, and temperatures of the molten and
solid metal, wherein the control unit is further configured to carry out the steps of calculating a function based on the
calculated/determined masses of the molten and solid metal at the point in time, determining a stirring power based on the
calculated function, and supplying the determined stirring power to the electromagnetic stirrer.

US Pat. No. 9,595,409

PARTICLE RESISTANT ENCLOSURE FOR DEAD TANK CIRCUIT BREAKER

ABB SCHWEIZ AG, Baden (C...

1. A tank for a circuit breaker, the tank comprising:
an integral body defining an interior volume and having opposing ends, and
an annular flange at each end of the body, the flanges defining a central longitudinal axis of the body,
wherein the body has a substantially continuous internal surface defining a top portion of the tank disposed substantially
above the central longitudinal axis and in an upper half of the body and the body defining a bottom portion of the tank disposed
substantially below the central longitudinal axis and in a bottom half of the body, the top portion being spaced from the
central axis as defined by at least a first radius from the central longitudinal axis, and the bottom portion is spaced from
the central axis as defined by at least a second radius from central longitudinal axis, with the second radius being greater
than the first radius so as to reduce an electric field intensity on the bottom portion of the body and thus reduce effects
of foreign particles within the interior volume, regardless of phase rotation,

wherein the body includes transition portions defining a smooth transition between the top portion and the bottom portion,
each transition portion being defined by transition radii that are sized so that the first and second radii blend smoothly
and wherein each transition portion extends into the upper half of the body.

US Pat. No. 9,580,270

WINDING FIXING DEVICE

ABB Schweiz AG, Baden (C...

1. A winding fixing device for a hollow-cylindrical high-voltage winding, the winding fixing device comprising:
a pillar-like element having two axial ends, each of the two axial ends configured to be connected to a respective retaining
element which is arranged transversely with respect thereto, wherein each of the retaining elements is configured to be movable
along the pillar-like element and detachable therefrom;

a positioning region for arranging the hollow-cylindrical high-voltage winding, which is to be formed between the retaining
elements; and

spacing elements configured to move axially along the pillar-like element, wherein the spacing elements are configured to
radially fix the hollow-cylindrical high-voltage winding when placed between the retaining elements by applying a tensile
force to the retaining elements,

wherein at least one of the spacing elements has a first base surface, which is arranged along the pillar-like element between
two spacing elements with a protruding second base surface.

US Pat. No. 10,165,711

ELECTRICAL DEVICE WITH A COOLING CHANNEL BETWEEN COMPARTMENTS

ABB Schweiz AG, Baden (C...

1. An electrical device comprising electrical components, the electrical components of the electrical device being arranged in at least two separate compartments having walls,wherein the at least two compartments are closed and arranged at a distance from each other and a first wall of one compartment and a second wall of another compartment are arranged to form walls of a cooling channel between the compartments,
wherein the electrical components arranged in the at least two separate compartments are electrically interconnected with electrical conductors, and the device comprises at least one conduit between the at least two separate compartments adapted to hold the electrical conductors, and
wherein the at least one conduit is at least partly disposed within the cooling channel, one end of the conduit being connected to the first wall and another end of the conduit being connected to the second wall.

US Pat. No. 9,583,252

TRANSFORMER

ABB Schweiz AG, Baden (C...

1. A transformer, comprising:
a transformer core with at least three core limbs which are arranged in parallel with respect to one another and perpendicular
to corner points of an area spanned by a polygon, and wherein axial end regions of each of the at least three core limbs transition
into a respective yoke segment arranged transversely with respect to the axial end regions;

main windings arranged around each of the at least three core limbs in a hollow-cylindrical winding region, and wherein a
magnetic cross section of a respective core limb is greater than a magnetic cross section of the respective yoke segment;
and

additional windings which are electrically connected to a respective main winding and which are arranged around each of the
respective yoke segments.

US Pat. No. 9,583,295

CIRCUIT BREAKER CONTACT ARM

ABB SCHWEIZ AG, Baden (C...

1. A contact arm for a circuit breaker, the contact arm comprising:
a body extending along a body axis between a first end and a second end, the body comprising:
an interior surface;
an exterior surface; and
a fin extending between the interior surface and the exterior surface, where the body defines a fin opening adjacent the fin,
the fin opening extending between the interior surface and the exterior surface,

wherein the fin is comprised as a plurality of fins extending between the interior surface and the exterior surface, the plurality
of fins extending in a direction that is substantially parallel to the body axis, and

wherein the plurality of fins extend along fin axes between the interior surface and the exterior surface, the fin axes substantially
parallel to each other.

US Pat. No. 9,559,500

ELECTRICALLY INSULATING SHELL, AN ELECTRICALLY INSULATING DEVICE COMPRISING SUCH INSULATING SHELL, AND RELATED SWITCHGEAR PANEL

ABB Schweiz AG, Baden (C...

1. An electrically insulating shell suitable to be operatively associated to an electrical conductor, the electrically insulating
shell comprising:
a first half shell and a second half shell arranged to be mutually connected together and shaped so as to define, once connected
together, a closed central part delimiting an inner space, which will encase a corresponding first portion of said electrical
conductor;

a first hollow portion for protruding from a first side of the closed central part, such that the first hollow portion will
be in communication with the inner space of the closed central part and adapted to surround a corresponding second portion
of the electrical conductor; and

a second hollow portion for protruding from the closed central part from a second side opposite to the first side, such that
the second hollow portion will be in communication with the inner space of the closed central part and adapted to surround
a corresponding third portion of the electrical conductor; wherein

the first half shell and the second half shell include first coupling means and second coupling means, respectively, which
mechanically connect the first half shell and the second half shell in a snap-fit way,

the first half shell comprises a first shaped body having a first base wall, one or more first side walls protruding transversally
from the first base wall, the first coupling means including one or more teeth provided on at least one of the one or more
first side walls, and the first hollow portion includes a first hollow tubular portion which is made integral with and protrudes
perpendicularly from the first base wall in a direction opposite from that of the one or more first side walls, and

the second half shell comprises a second shaped body having a second base wall, one or more second side walls protruding transversally
from the second base wall, the second coupling means including hooks provided on at least one of the one or more second side
walls, and the second hollow portion includes a second hollow tubular portion which is made integral with and protrudes perpendicularly
from the second base wall in a direction opposite from that of the one or more second side walls.

US Pat. No. 9,657,709

METHOD FOR USING AN ELECTRIC UNIT

ABB Schweiz AG, Baden (C...

1. A method for using an electric unit for a power plant,
wherein the electric unit includes a synchronous electric machine which can operate as a motor and a generator, a converter
having active switching elements, and a generator transformer, wherein the machine configured for connection to an electric
grid via the converter and the generator transformer and a stator of the synchronous electric machine is fed with a three-phase
current with an adjustable frequency, the adjustable frequency being generated by the converter, the method comprising the
following step:

disconnecting a connection between the machine and the generator transformer in an event of a malfunction of the generator
transformer during generator operation of the electric machine by opening the active switching elements of the converter;

wherein a generator switch or generator circuit breaker is not provided for disconnecting the machine from the generator transformer
in the event of an emergency, the active switching elements of the converter thereby being opened to prevent the malfunction
of the generator transformer from causing an explosion of the generator transformer.

US Pat. No. 9,628,772

METHOD AND VIDEO COMMUNICATION DEVICE FOR TRANSMITTING VIDEO TO A REMOTE USER

ABB SCHWEIZ AG, Baden (C...

1. A method of transmitting video to a remote user from an industrial site where a process control system is operated, the
method being performed by a video communication device being placed at a location of the industrial site and performed in
relation to a communication session carried out between the video communication device and a device of the remote user, the
method comprising:
obtaining a three-dimensional model of the location and the various objects at the location;
obtaining the position of the video communication device at the location;
capturing video images of the location using a camera of the video communication device;
determining a current orientation of the camera;
adding a representation of the video communication device to the three-dimensional model of the location so that the video
communication device is shown in the model; and

transferring, in the communication session from the video communication device to the device of the remote user, the three-dimensional
model and the orientation of the camera and the position of the video communication device together with a video stream comprising
the captured video images.

US Pat. No. 9,601,242

MOLD FOR IMPREGNATING A PREFABRICATED CONDENSER CORE OF A HIGH-VOLTAGE BUSHING AND DEVICE FOR FORMING A CONDENSER CORE OF A HIGH-VOLTAGE BUSHING

ABB Schweiz AG, Baden (C...

1. A mold for impregnating a prefabricated condenser core (C) of a high voltage bushing with a liquid resin, the mold comprising:
at least two mold modules movable against each other and shaped to form a mold cavity, the mold being a column of cylindrical
design, in which the at least two mold modules are arranged one on top of the other; and

a first mold module of the at least two mold modules is a hollow cylinder, and the at least two mold modules each have a front
face for forming a first sealable interface with an opposing front face of another mold module of the at least two mold modules;

wherein the first mold module comprises an inner surface, at least a part of the inner surface of the first mold module tapering
conically from the first sealable interface to a bottom of the mold.

US Pat. No. 9,583,937

LOW-, MEDIUM-, OR HIGH-VOLTAGE SWITCHGEAR

ABB Schweiz AG, Baden (C...

1. A low-, medium-, or high-voltage switchgear, for switching a capacitive or an inductive equipment or an inductive or a
capacitive current network circuit, the switchgear comprising:
a circuit breaker or circuit breakers for switching the electrical equipment or the circuit network; and
an inrush current limiter electrically in series with a current path of the circuit breaker so that the inrush current limiter
absorbs a high amount of inrush current when the electrical equipment is turned on by offering a high resistance to the inrush
current and quickly decreasing in resistance once a steady current begins to flow through a thermistor.

US Pat. No. 9,553,210

HIGH FREQUENCY POWER DIODE AND METHOD FOR MANUFACTURING THE SAME

ABB Schweiz AG, Baden (C...

1. A high frequency power diode, comprising:
a semiconductor wafer having a first main side and a second main side opposite to the first main side;
a first layer formed in the semiconductor wafer adjacent to the first main side, the first layer having a first conductivity
type which is either n- or p-type conductivity;

a second layer formed in the semiconductor wafer adjacent to the second main side, the second layer having a second conductivity
type which is either n- or p-type conductivity but different from the first conductivity type;

a third layer formed in the semiconductor wafer between the first layer and the second layer the third layer having the second
conductivity type;

wherein the first layer has a first conductivity type dopant concentration decreasing from 1019 cm?3 or more adjacent to the first main side of the wafer to 1.5·1015 cm?3 or less at an interface of the first layer with the third layer;

wherein the second layer has a second conductivity type dopant concentration decreasing from 1019 cm?3 or more adjacent to the second main side of the wafer to 1.5·1015 cm?3 at an interface of the second layer with the third layer;

wherein the third layer has a second conductivity type dopant concentration of 1.5·1015 cm?3 or less; and

wherein the first conductivity type dopant concentration in the first layer at a distance of 50 ?m from the first main side
and the second conductivity type dopant concentration in the second layer at a distance of 50 ?m from the second main side
is 1017 cm?3 or more, respectively, and the thickness of the third layer is less than 60 ?m.

US Pat. No. 9,787,006

CABLE TERMINATION FOR CONNECTING A SWITCHGEAR ASSEMBLY TO A HIGH-VOLTAGE CABLE

ABB Schweiz AG, (CH)

1. A cable termination for connecting a switchgear assembly to a high-voltage cable, comprising
at least one housing,
three insulated cable connection elements which protrude into the housing and have an internal conductor for establishing
an electrical connection of the switchgear assembly to in each case one cable end reinforcement which is fitted to the end
of a phase of a high-voltage cable,

three phase connection parts which likewise protrude into the housing from a side which is situated opposite the cable connection
elements, which are designed as hollow bodies and into which in each case one of the cable end reinforcements is to be inserted,
wherein

the insulated cable connection elements are arranged in a first plane, which runs perpendicular to the entry direction of
the cable connection elements into the housing, such that they form the corners of a first triangle,

the phase connection parts are arranged in a second plane, which is parallel to the first plane, such that they form the corners
of a second triangle,

the respective corner of the first triangle, which corner corresponds to a cable connection element, and the respective corner
of the second triangle, which corner corresponds to a phase connection part which is to be connected to the cable connection
element, form two corners which are associated with one another,

the first triangle and the second triangle are rotated in relation to one another within their respective plane, wherein the
rotation takes place starting from a position in which, in a plan view perpendicular to the first and second plane, the distances
between the respectively associated corners of the first and of the second triangle assume a value which is as small as possible,
and

a connecting element is arranged between in each case one cable connection element and the associated phase connection part.

US Pat. No. 9,627,153

ELECTRICAL MEDIUM OR HIGH VOLTAGE SWITCHING DEVICE

ABB Schweiz AG, Baden (C...

1. An electrical switching device for medium or high voltage circuits comprising:
a chamber enclosed by an enclosure which is cylindrical around a longitudinal axis,
at least one nominal contact arrangement, wherein the nominal contact arrangement comprises:
at least one first nominal contact comprising a plurality of contact fingers forming a finger cage concentric with respect
to the longitudinal axis, wherein the contact fingers are separated from one another by empty slots extending up to a free
end of the contact fingers, and

at least one mating second nominal contact, the at least one second nominal contact is tube-shaped, wherein at least one of
the nominal contacts is movable parallel to the longitudinal axis and cooperates with the other nominal contact for closing
and opening the electric switching device,

the empty slots having first and second empty slots, wherein the second empty slots are shorter than the first empty slots,
and wherein the contact fingers are grouped in groups, with the contact fingers of each group being separated by the second
empty slots and the contact fingers of adjacent groups being separated by the first empty slots;

wherein each group comprises at least two contact fingers, and
wherein the contact fingers are formed by a tubular metal section, wherein the first empty slots and the second empty slots
extend from a first end into the tubular metal section, and wherein the contact fingers are interconnected at a second end
of the tubular metal section.

US Pat. No. 9,559,607

POWER SUPPLY AND DISTRIBUTION SYSTEMS AND OPERATING STRATEGY

ABB SCHWEIZ AG, Baden (C...

1. A method of operating a power supply system comprising:
operating the power supply system in a first mode, such that electrical power is supplied via a single-conversion power supply
path from an alternating current (AC) input interface coupled to an AC power supply to a direct current (DC) output interface
coupled to an electrical load;

converting medium voltage AC electrical power supplied from an AC bus of the AC input interface to lower voltage DC electrical
power supplied to a DC bus of the DC output interface, during an operation in the first mode;

switching operation of the power supply system to a second mode responsive to a fault in the single-conversion power supply
path, such that electrical power is supplied via a multi-conversion power supply path from the AC input interface to the DC
output interface; and

converting medium voltage AC electrical power supplied from the AC bus to higher voltage DC electrical power, and converting
the higher voltage DC electrical power to lower voltage DC electrical power supplied to the DC output interface, during an
operation in the second mode.

US Pat. No. 9,651,603

METHOD AND POWER CONVERTER FOR DETERMINING CELL CAPACITOR DEGRADATION IN A CONVERTER CELL

ABB Schweiz AG, Baden (C...

1. A method of determining a capacitor degradation parameter associated with a degree of degradation of a cell capacitor in
a converter cell of a power converter, the power converter comprising a plurality of identical converter cells, wherein one
of the plurality of identical converter cells, prior to determining the capacitor degradation parameter, has been bypassed,
wherein the capacitor degradation parameter is a capacitance of the cell capacitor, and wherein the method comprises:
a) obtaining a measurement parameter value associated with discharging of the cell capacitor, forming a dc-link, from a measurement
start voltage level at a measurement start time to a measurement end voltage level at a measurement end time,

wherein the measurement start voltage level and the measurement end voltage level are predetermined, the measurement parameter
value being a time difference between the measurement start time and the measurement end time, or wherein the measurement
start time and the measurement end time are predetermined, the measurement parameter value being the measurement end voltage,
and

b) determining a value of the capacitor degradation parameter based on the time difference between the measurement start time
and the measurement end time, wherein the determining of the value of the capacitor degradation parameter is further based
on the measurement start voltage level, the measurement end voltage level, and a cell resistor value or a power consumption
of an auxiliary power supply of the converter cell, wherein the capacitor degradation parameter is directly proportional to
the time difference between the measurement start time and the measurement end time.

US Pat. No. 9,632,860

MULTICORE PROCESSOR FAULT DETECTION FOR SAFETY CRITICAL SOFTWARE APPLICATIONS

ABB Schweiz AG, Baden (C...

1. A method for multicore processor fault detection during execution of safety critical software applications in a multicore
processor environment, the method comprising:
partitioning processor cores of the multicore processor environment into at least two logical units;
dedicating all processing resources of one of the at least two logical units to execution of a diagnostics software application
(DSA), the DSA being arranged for fault detection of a processor core of said one of the at least two logical units;

dedicating processor resources of at least one of the remaining logical units to execution of a safety-critical software application
(SSA); and

executing the DSA by said one of the at least two logical units whilst in parallel executing the SSA by said at least one
of the remaining logical units.

US Pat. No. 9,614,457

MODULAR THYRISTOR-BASED RECTIFIER CIRCUITS

ABB Schweiz AG, Baden (C...

1. A power conversion apparatus for controllably converting alternating current (AC) to direct current (DC), the power conversion
apparatus comprising:
a plurality of AC sources galvanically isolated from one another;
a plurality of bridge rectifier circuits, including one or more controllable bridge rectifier circuits, wherein each of the
plurality of bridge rectifier circuits has respective AC-side terminals and DC-side terminals and each of the plurality of
bridge rectifier circuits is connected to a corresponding one of the plurality of AC sources via each bridge rectifier circuit
at respective AC-side terminals, and wherein the DC-side terminals are connected so that outputs of the plurality of bridge
rectifier circuits are combined in series; and

a control circuit configured to individually control each of the one or more controllable bridge rectifier circuits to selectively
operate in (i) a regulator mode, whereby a non-zero voltage less than or equal to a maximum rectifier voltage is provided
by the DC-side terminals of each of the one or more controllable bridge rectifier circuits, and (ii) a bypass mode, whereby
each of the one or more controllable bridge rectifier circuits provides a nominally zero voltage to the DC-side terminals
of the one or more controllable bridge rectifier circuits and draws a nominally zero current from the corresponding one of
the plurality of AC sources connected to the controllable bridge rectifier circuits, even while one or more of the plurality
of bridge rectifier circuits are operating in regulator mode;

wherein the plurality of bridge rectifier circuits includes at least two controllable bridge rectifier circuits, wherein the
regulator mode for each of the at least two controllable bridge rectifier circuits comprises a voltage regulating mode and
a full output mode, and wherein the control circuit is configured to control the at least two controllable bridge rectifier
circuits so that only one of the controllable bridge rectifier circuits is operating in voltage regulating mode at any given
time, while each of the remaining controllable bridge rectifier circuits is operating in either bypass mode or full output
mode.

US Pat. No. 9,658,260

POWER SYSTEM STATE ESTIMATION USING A TWO-LEVEL SOLUTION

ABB SCHWEIZ AG, Baden (C...

1. A method for state estimation in a power system that comprises a first subsystem having a corresponding first state vector
and corresponding first measurements for a first state estimation time, a second subsystem having a corresponding second state
vector and corresponding second measurements for the first state estimation time, and a boundary connecting the first and
subsystems and having a boundary state vector for the first state estimation time, the method. comprising:
operating a first plurality of sensors structured to measure the first measurements of the first subsystem of the power system
and a second plurality of sensors structured to measure the second measurements of the second subsystem of the power system;

operating a first microprocessor-based state estimation unit configured to receive the first measurements from the first plurality
of sensors but not able to receive the second measurements from the second plurality of sensors and a second microprocessor-based
state estimation unit configured to receive the second measurements from the second plurality of sensors but not able to receive
the first measurements from the first plurality of sensors;

operating a third microprocessor-based state estimation unit configured to communicate with the first microprocessor-based
state estimation unit and the second microprocessor-based state estimation unit;

for a first iteration, setting a working estimate of the boundary state vector to equal an initial estimate with the third
state estimation unit;

for the first iteration and for one or more subsequent iterations, calculating, with the first state estimation unit, an estimate
of the first state vector, based on the working estimate of the boundary state vector, the first measurements, and a first
subsystem measurement function, and separately calculating, with the second state estimation unit, an estimate of the second
state vector, based on the working estimate of the boundary state vector, the second measurements, and a second subsystem
measurement function;

for the first iteration and for one or more subsequent iterations, computing, with the first state estimation unit, a first
state estimate sensitivity and computing, with the second state estimation unit, a second state estimate sensitivity, the
first and second state estimate sensitivities representing sensitivities of the estimates of the first and second state vectors
to the initial estimate of the boundary state vectors, respectively;

revising, with the third state estimation unit, the working estimate of the boundary state vector, based on the first and
second state estimate sensitivities; and

repeating, with the first state estimation unit, the second state estimation unit, and the third first state estimation unit
the calculating, computing, and revising operations until a convergence criterion is met.

US Pat. No. 9,660,405

ELECTRICAL DEVICE WITH LOW FRICTION CONTACT PARTS

ABB Schweiz AG, Baden (C...

1. An electrical device comprising:
an electrode arrangement comprising a magnet and an electrode,
an electrically conducting movable device, movable relative to the electrode arrangement and spaced apart from the electrode
arrangement, whereby a gap is formed therebetween, and

a suspension comprising a liquid, a plurality of magnetic particles dispersed in the liquid and a plurality of non-magnetic
electrically conducting particles dispersed in the liquid, which non-magnetic electrically conducting particles have higher
electric conductivity than the magnetic particles,

wherein the suspension extends between the electrically movable device and the electrode arrangement in the gap, and wherein
the magnet is arranged to provide a magnetic field through the suspension to thereby align the non-magnetic electrically conducting
particles between the electrode arrangement and the electrically conducting movable device to obtain an electrical connection
between the electrode arrangement and the electrically conducting movable device.

US Pat. No. 9,683,898

METHOD AND APPARATUS FOR DETERMINING AN ACTUAL JUNCTION TEMPERATURE OF AN IGBT DEVICE

ABB Schweiz AG, Baden (C...

1. A method for determining an actual junction temperature (Tj) of an IGBT device, wherein the IGBT device has a main emitter (EM) and an auxiliary emitter (EA), comprising the steps of:
measuring the characteristics of an emitter voltage drop (VEE?) as a difference between a main emitter voltage (VE) at the main emitter (EM) and an auxiliary emitter voltage (VE?) at the auxiliary emitter (EA) during a switching operation of the IGBT device; and

determining the junction temperature based on the characteristics of the emitter voltage drop (VEE?),

wherein the junction temperature (Tj) is determined by the steps of:

assigning a reference peak voltage of the emitter voltage drop (VEE?) during the switching operation to a provided collector emitter voltage (VDC) of the IGBT device and a determined collector current (IC), wherein the reference peak voltage corresponds to a peak voltage of the emitter voltage drop (VEE?) during a switching operation at a reference temperature;

determining a peak voltage of the emitter voltage drop (VEE?) during the switching operation; and

determining the actual junction temperature (Tj) depending on the determined peak voltage and the reference peak voltage.

US Pat. No. 9,643,318

TELEOPERATION OF MACHINES HAVING AT LEAST ONE ACTUATED MECHANISM

ABB Schweiz AG, Baden (C...

11. A system for teleoperation of a machine having at least one actuated mechanism and a predetermined number of degrees of
freedom, said system comprising:
a control station remotely located from a location of said machine, said machine controlled from said control station to perform
a predetermined function;

a two way real-time communication link between said machine and said remotely located control station;
an interface at said control station allowing an operator of said machine located at said control station to select one or
more of virtual constraints on operation of said machine to reduce said predetermined number of degrees of freedom when said
machine is performing said predetermined function; and

a controlling device associated with said machine at said machine location, said machine having predetermined safety limits
which are stored in said controlling device, and said stored predetermined safety limits are extracted and transmitted via
the two-way real time communication link to the control station, wherein a consistency check is performed between said predetermined
safety limits and said selected one or more virtual constraints and said predetermined safety limits are automatically mapped
to said control station.

US Pat. No. 9,665,843

INDUSTRIAL ASSET HEALTH PROFILE

ABB SCHWEIZ AG, Baden (C...

1. A system for developing a health profile of an industrial asset, comprising:
a processor; and
memory comprising processor-executable instructions that when executed by the processor cause performance of operations, the
operations configured to:

retrieve data pertaining to the industrial asset, wherein the data comprises at least one of data yielded from one or more
electronic sensor devices or observational data representative of at least one of a video recording, a still image, an audio
recording, or a chemical analysis of an area proximate the industrial asset;

apply a first transform to a first portion of the data pertaining to the industrial asset to derive a first primary state
indicator;

predict a future event, associated with the industrial asset, predicted to occur at a future point in time based upon the
first primary state indicator;

develop the health profile of the industrial asset based upon the future event;
output a confidence profile indicative of a probability of the future event occurring, wherein the confidence profile comprises
a confidence measure indicating a precision of the prediction of the future event occurring; and

facilitate performance of an action upon the industrial asset based upon the health profile, wherein the action is determined
to be performed based upon the confidence measure indicating that the probability of the future event occurring exceeds a
threshold.

US Pat. No. 9,620,940

MEDIUM VOLTAGE SWITCHGEAR WITH FRONT ACCESSIBILITY OF CURRENT TRANSFORMERS MOUNTED EXTERNAL TO A REAR OF A CIRCUIT BREAKER COMPARTMENT

ABB SCHWEIZ AG, Baden (C...

1. A switchgear comprising:
a circuit breaker housing having a front and a rear, the housing defines a circuit breaker compartment, the rear of the housing
defined by a rear wall having an interior and an exterior and an opening there-through,

at least one bushing having first and second hollow portions, the bushing extending through the opening in the rear wall so
that the first portion is disposed in the circuit breaker compartment and the second portion is disposed beyond the exterior
of the rear wall and external of the circuit breaker compartment, the bushing having a hollow primary contact that extends
within both of the first and second hollow portions of the bushing, with a first end of the primary contact extending into
the first hollow portion,

at least one current transformer mounted on the second portion of the bushing,
a busbar, and
a fastener structure, separate from the hollow primary contact and having a portion that extends through the hollow primary
contact, coupling a second end of the primary contact to the busbar in a removable manner,

wherein, when the fastener structure is decoupled from the primary contact, the bushing, with the primary contact, and the
at least one current transform can be accessed from the front of the housing and moved through the opening in the rear wall
and into the circuit breaker compartment, for maintenance.

US Pat. No. 9,577,557

TURBINE-GENERATOR SYSTEM WITH DC OUTPUT

ABB Schweiz AG, Baden (C...

1. A turbine generator system, comprising:
a doubly-fed alternating-current (AC) generator having a first poly-phase circuit and a second poly-phase circuit;
a poly-phase AC-to-AC converter circuit coupled between the first poly-phase circuit and the second poly-phase circuit configured
to produce a substantially fixed frequency voltage output;

a poly-phase transformer having input windings coupled to the first poly-phase circuit and having output windings, wherein
the poly-phase transformer is configured to increase, a voltage level of the substantially fixed-frequency voltage output
from the AC-to-AC converter circuit for rectification;

a uni-directional rectifier circuit coupled to the output windings of the poly-phase transformer and configured to convert
poly-phase AC from the transformer output windings to direct current (DC);

a grid-fault protection circuit configured to de-energize the second poly-phase circuit in the event of a fault on the DC
side of the unidirectional rectifier circuit, wherein the grid-fault protection circuit includes a rectifier circuit coupled
to the second poly-phase circuit, the rectifier circuit being combined with a thyristor and a crowbar resistor, wherein the
second poly-phase circuit is de-energized by firing the thyristor and dissipating energy in the crowbar resistor; and

a backup power source coupled to the AC generator and configured to power the turbine generator system during startup, wherein
the backup power source includes a battery coupled to the doubly-fed AC generator with a battery inverter circuit, wherein
the backup power source further comprises a flywheel mechanically coupled to the AC generator, wherein the battery is arranged
to power the flywheel.

US Pat. No. 9,712,082

METHOD FOR ACQUIRING VALUES INDICATIVE OF AN AC CURRENT OF AN INVERTER AND RELATED CIRCUIT AND INVERTER

ABB Schweiz AG, Baden (C...

7. An inverter, said inverter comprising at least an inverting stage adapted to generate an AC current, an output stage adapted
to be operatively connected to one or more AC electrical girds or loads, and a circuit comprising at least a first line and
a second line for providing a path for said AC current between said inverting stage and said output stage, characterized in
that it comprises a current sensor which is operatively associated to said first and second lines and configured in such a
way to generate a signal as a function of the sum between the AC current flowing in the first line and the AC current flowing
in the second line.

US Pat. No. 9,705,420

MODEL PREDICTIVE CONTROL WITH REFERENCE TRACKING

ABB Schweiz AG, Baden (C...

1. An electrical system, comprising:
an electrical converter comprising a plurality of semiconductor switches, wherein the electrical converter is adapted for
generating a two-level or multi-level output voltage from an input voltage by switching the plurality of semiconductor switches,
and a controller;

wherein the controller executes a method for controlling the electrical converter comprising:
receiving a reference electrical quantity (is*) and an actual electrical quantity (is), the reference electrical quantity being determined from measured currents, voltages, torques, and/or speeds;

determining a sequence of future electrical quantities of the electrical converter from the actual electrical quantity;
determining a maximal cost value based on the sequence of future electrical quantities;
iteratively determining an optimal switching sequence for the electrical converter, wherein a switching sequence includes
a sequence of future switching states for the semiconductor switches of the electrical converter; and

selecting the first switching state of the optimal switching sequence as a next switching state (u) to be applied to the semiconductor
switches of the electrical converter,

wherein the optimal switching sequence is iteratively determined by:
extending a switching sequence by appending a possible switching state to the switching sequence;
determining a cost value for the extended switching sequence with a cost function based on the sequence of future electrical
quantities, the cost function being based on a norm of a matrix equation with a triangular matrix, which is multiplied with
the extended switching sequence, and the cost function is based on a difference between an unconstrained solution and the
triangular matrix multiplied with the extended switching sequence, the unconstrained solution being determined from the future
electrical quantities before iteratively determining an optimal switching sequence; and

discarding the extended switching sequence, when the cost value is higher than the maximal cost value; and
an electrical load supplied by the electrical converter.

US Pat. No. 9,653,241

MAGNETIC ACTUATING DEVICE FOR A CURRENT SWITCHING DEVICE

ABB SCHWEIZ AG, Baden (C...

1. Magnetic actuating device for a current switching device comprising:
ferromagnetic stator means and a ferromagnetic armature element which is movable between a first end position, which is close
to said ferromagnetic stator means, and a second end position which is spaced apart from said ferromagnetic stator means,

elastic means directly engaged with said ferromagnetic armature element and configured for urging said ferromagnetic armature
element to said second end position,

electrical coil means energizable for electromagnetically attracting said ferromagnetic armature element to said first end
position, and

a mechanical locking assembly comprising articulated-levers means operatively connected to said ferromagnetic armature element,
wherein said articulated-levers means comprise rod-lever means which are pivotally connected to, and displaceable along with,
a plunger of said ferromagnetic armature element, and rocking-lever means associated with the rod-lever means, said rocking-lever
means being rotatable around stationary pivot means and configured for releasably locking, thereby blocking said ferromagnetic
armature element in said first end position, and

wherein said rod-lever means comprise a first rod-lever having a first end hinged to a respective end of said plunger, and
a second rod-lever hinged to a second end of said first rod-lever and wherein said rocking lever means comprise a transom-rocking-lever
hinged to a first stationary pivot and pivotally connected to said second rod-lever and a latching-rocking-lever hinged to
a second stationary pivot and releasably connectable to said transom-rocking-lever, said rocking-lever means further comprising
a release-lever hinged to a third stationary pivot and configured for preventing, in said locking configuration, a rotation
of said latching-rocking-lever.

US Pat. No. 9,667,058

METHOD AND APPARATUS FOR SENSING A FAULT IN A POWER SYSTEM

ABB SCHWEIZ AG, Baden (C...

1. A method in a power system including a protected unit adapted to convey power from a first position in the protected unit
to a second position, different from the first position, in the protected unit, or vice versa, via a plurality of conductors,
wherein on a condition that a fault occurs in the protected unit, at least one travelling wave is generated in the protected
unit, wherein any distortion, attenuation and/or delay of the waveform of a wave due to propagation of the wave in the protected
unit can be modeled by means of a propagation function, the method comprising the steps of:
determining a first travelling wave current in the first position and a second travelling wave current in the second position;
and

determining a first travelling wave differential current based on a comparison between the determined first travelling wave
current or the second travelling wave current and an estimation of the first travelling wave current or the second travelling
wave current, respectively,

wherein the estimation of the first travelling wave current or the second travelling wave current is carried out by applying
the propagation function to the second travelling wave current or to the first travelling wave current, respectively, wherein
the first travelling wave differential current has a plurality of modes corresponding to respective ones of the plurality
of conductors,

the method further comprising the step of:
determining a second travelling wave differential current by means of, based on the propagation function, adjusting at least
one of magnitude and phase of the first travelling wave differential current such that all modes attain equal or increasingly
equal modal characteristics.

US Pat. No. 9,627,866

DOOR MOUNTED VENT FLAP STRUCTURE FOR ARC-RESISTANT COMPARTMENT

ABB SCHWEIZ AG, Baden (C...

1. A door for an arc-resistant compartment, the door comprising:
surfaces defining at least one opening through the door, and
a flap structure comprising:
a flap member coupled to the door and movable between an opened position permitting air to pass through the opening, and a
closed position covering the opening,

at least one leaf spring engaged directly with a back portion of the flap member and constructed and arranged to bias the
flap member to the closed position,

a handle structure coupled to the flap member and extending through the door for manually moving the flap member to the opened
position against the bias of the at least one leaf spring, and

retaining structure constructed and arranged to provide a retaining force on the flap member to retain the flap member in
the open position, against the bias of the at least one leaf spring, the retaining structure being constructed and arranged
such that during an arcing event in the compartment, pressure within the compartment together with the bias of the at least
one leaf spring overcomes the retaining force to automatically move the flap member to the closed position,

wherein the retaining structure includes a strike member mounted to the handle structure and a catch member mounted to the
door such that when the flap member is in the opened position, the strike member frictionally engages the catch member.

US Pat. No. 9,618,586

METHOD AND DEVICE FOR DETECTION OF A FAULT IN A PROTECTED UNIT

ABB Schweiz AG, Baden (C...

1. A method for use in fault detection in a protected unit included in a power system, the protected unit being adapted to
convey power via at least one current path therein, wherein the protected unit is selectively disconnected from at least a
portion of the rest of the power system and the protected unit is selectively connected to the at least a portion of the rest
of the power system, the method being for facilitating detection of any fault in the protected unit after the protected unit
has been connected to the at least a portion of the rest of the power system, the method comprising:
sensing, with a sensor, a current in the at least one current path in the protected unit at one end thereof during a plurality
of different time periods, thereby obtaining a plurality of sensed currents;

determining, with a processing unit, compliance of at least one of the sensed currents with a respective first current criteria
based on a first current threshold value, which first current criteria is a smaller than threshold criteria for a negative
current and otherwise a larger than threshold criteria;

on a condition that there is determined that at least one of the sensed currents comply with the respective first current
criteria, generating a signal with the processing unit indicating that there is a fault in the protected unit; and

on a condition that there is determined that none of the sensed currents comply with the respective first current criteria,
generating a signal with the processing unit indicating that there is not a fault in the protected unit,

wherein on a condition that at least one of the generated signal or signals indicate that there is a fault, the protected
unit is selectively disconnected from the at least a portion of the rest of the power system,

the sensed current in the at least one current path in the protected unit is sensed during at least three different respective
time instants t1?t0, t2?t0, t3?t0, where t0 is a time at which the protected unit is connected to the at least a portion of the rest of the power system after having
been disconnected from the at least a portion of the rest of the power system, and t3>t2>t1>t0, thereby obtaining the plurality of sensed currents I(t1?t0), I(t2?t0), and I(t3?t0), and

t1?t0 is determined by a time for a fault current in the at least one current path in the protected unit to reach a maximum discharging
or inrush current subsequent to the protected unit having been connected to the at least a portion of the rest of the power
system after having been disconnected from the at least a portion of the rest of the power system, on a condition that the
fault occurs at a terminal to which the protected unit is connected.

US Pat. No. 9,573,475

DRIVE UNIT FOR DRIVING A MOTOR

ABB Schweiz AG, Baden (C...

1. A drive unit comprising:
a power converter, which is connectable to a working machine, comprising an intermediate circuit, which is coupleable firstly
to a first inverter and secondly to a second inverter, wherein the first inverter is designed to be connectable to a motor
on an AC voltage side of the first inverter and is connected to the intermediate circuit on a DC voltage side of the first
inverter, and wherein the second inverter is connected to the intermediate circuit on a DC voltage side of the second inverter
and is connectable to the working machine on an AC voltage side of the second inverter, and wherein the second inverter is
designed to drive the working machine in such a way that the working machine is operable either as a motor or as a generator;

a link to at least one energy storage;
a switching unit connected to the power converter, wherein the switching unit is operable in a first operating mode or second
operating mode, wherein in the first operating mode the switching unit is designed to couple the power converter to the at
least one energy storage in order to enable an energy flow from the at least one energy storage via the switching unit to
the intermediate circuit of the power converter and wherein in the second operating mode the switching unit is designed to
disconnect the power converter from the at least one energy storage;

wherein the drive unit comprises an energy storage charging unit, which is connectable to the power converter to provide energy
to the energy storage,

wherein the charging of the energy storage by the energy charging unit is carried out, if the switching unit is in its second
operating mode, and

wherein the switching unit is designed to couple the power converter to a supply network terminal in order to enable an energy
flow from the intermediate circuit of the power converter via the switching unit toward the supply network terminal.

US Pat. No. 9,735,581

METHOD AND APPARATUS FOR OBTAINING ELECTRICITY FROM OFFSHORE WIND TURBINES

ABB Schweiz AG, Baden (C...

1. A system configured for obtaining electricity in an offshore wind turbine farm and including a first arrangement that comprises:
a gearbox configured to mechanically convert a variable first rotational speed of a wind turbine into a higher variable second
rotational speed;

a generator having a rated electrical frequency for full-power output in a range from 50 Hz to 150 Hz, and configured to be
driven at the variable second rotational speed by an output of the gearbox and to thereby generate electricity at a correspondingly
variable first frequency; and

an AC-to-AC converter configured to convert the electricity from the generator into electricity output from the AC-to-AC converter
at a fixed low frequency for off-shore collection at the fixed low frequency, wherein the fixed low frequency is lower than
a utility grid frequency; and

a step-up transformer having a rated electrical frequency corresponding to the rated electrical frequency of the generator,
wherein the step-up transformer is connected between the generator and the AC-to-AC converter, wherein the step-up transformer
is configured to step up a voltage of the electricity output from the generator, and thereby output electricity at a stepped-up
voltage, and wherein the AC-to-AC converter is configured to convert the electricity output at the stepped-up voltage from
the step-up transformer.

US Pat. No. 9,673,614

MONITORING DEVICE AND SURGE ARRESTER SYSTEM

ABB Schweiz AG, Baden (C...

1. A monitoring device for monitoring a surge arrester connected to a power network, the monitoring device comprising:
a grounding line, which is configured to be electrically connected to ground and to the surge arrester so that an electric
current flowing through the surge arrester will pass through this grounding line;

a measuring unit comprising one or more analog measuring circuits configured to measure the electric current passing through
the grounding line and producing measuring signals related to the measured electric current;

an electronic processing unit configured to receive said measuring signals from the measuring circuits of the measuring unit
and produce monitoring data based on these measuring signals; and

a data storage medium configured to store monitoring data produced by the electronic processing unit,
wherein:
the monitoring device comprises a base module and an auxiliary module detachably mountable to the base module;
the grounding line and the measuring unit are arranged in the base module;
the electronic processing unit and the data storage medium are arranged in the auxiliary module;
the base module comprises a first connector member, which is connected to the measuring unit; and
the auxiliary module comprises a second connector member, which is connected to the electronic processing unit, the second
connector member being configured to be engaged with the first connector member when the auxiliary module is mounted to the
base module to thereby allow the electronic processing unit to receive said measuring signals from the measuring unit via
the first and second connector members.

US Pat. No. 9,640,974

PASSIVE RESONANCE DC CIRCUIT BREAKER

ABB Schweiz AG, Baden (C...

1. A DC circuit breaker comprising:
a pair of arcing contact members for holding an arc;
an interaction element configured to interact with the arc in dependence of whether the arc is in a first state or in a second
state such that due to the interaction element the arc voltage drop in the first state is lower than the arc voltage drop
in the second state;

a resonance branch coupled in parallel to the contact members, the resonance branch and contact members forming a resonance
circuit adapted to enable a resonance branch current to oscillate thereby inducing oscillations of an arc current, the resonance
branch including

a coupling element configured to couple the resonance branch with the arc, such that the arc is brought to the first state
when the current in the resonance branch has a first direction, and that the arc is brought to the second state when the current
in the resonance branch has a second direction, wherein the coupling comprises a force acting on the arc and adjusting the
arc between the first state that is further away from the interaction element and the second state that is closer to the interaction
element.

US Pat. No. 9,618,244

POWER ELECTRONICS COOLING

ABB Schweiz AG, Baden (C...

1. A stack of a plurality of alternating heat emitting devices and evaporating units, wherein the heat emitting devices include
power electronic components, and wherein an evaporating unit is arranged for cooling at least one heat emitting device by
evaporation of a cooling fluid, the evaporating unit comprising:
at least one thermo-conducting wall that is thermally connectable to the at least one heat emitting device;
a first inlet channel adapted for receiving the condensed cooling fluid from a condenser;
a first fluid distributor fluidly connected to the first inlet channel for receiving the cooling fluid therefrom, and having
a volume for collecting the cooling fluid therein;

a first plurality of evaporation channels each having a first end and a second end, the first ends being fluidly connected
to the first fluid distributor for receiving the cooling fluid therefrom, the first plurality of evaporation channels being
in thermal contact with the at least one thermo-conducting wall such that in an operating state the cooling fluid is heated
in the first plurality of evaporation channels by the heat from the at least one heat emitting device and thereby at least
partially vaporized and driven out from the first plurality of evaporation channels at their second ends;

a first fluid collector fluidly connected to the second ends of the first plurality of evaporation channels for receiving
the evaporated cooling fluid therefrom, and having a volume for collecting the evaporated cooling fluid therein;

a first outlet channel fluidly connected to the first fluid collector and adapted for receiving the evaporated cooling fluid
therefrom,

wherein the at least one thermo-conducting wall has a cooling surface portion, the cooling surface portion being a minimum
convex surface portion enclosing all projections of the first plurality of evaporation channels onto the at least one thermo-conducting
wall, and

wherein the first inlet channel is positioned in the evaporating unit such that its projection on the at least one thermo-conducting
wall is situated outside the cooling surface portion, such that in an operating state the cooling fluid inside of the first
inlet channel is pre-heated by the at least one heat emitting device before entering the fluid collector.

US Pat. No. 9,611,126

METHOD AND SYSTEM FOR AUTOMATICALLY LANDING CONTAINERS ON A LANDING TARGET USING A CONTAINER CRANE

ABB SCHWEIZ AG, Baden (C...

1. A method for landing a container on a landing target using a container crane, said container crane comprising a trolley
and a spreader for holding and lifting the container, and a crane control system for controlling movements of said container
crane, wherein a first distance from the spreader to the landing target as a vertical distance from a point of the spreader
to a point of the landing target is measured and the container is moved towards the landing target dependent on the measured
first distance from the spreader to the landing target, said method comprising the steps of:
making a plurality of images of the landing target and the container using cameras mounted on the spreader;
estimating camera orientation relative to each container corner;
identifying one or more landing features, in the images of the landing target, at different heights above the landing position,
resulting in multiple landing feature candidates for each frame and camera;

calculating horizontal distances from corners of the container to a point(s) of the one or more landing features based on
one or more measurements made in the images between the corners of the container and the point(s) of the one or more landing
features, wherein the horizontal distances are found by calculating a ray intersection from the cameras to a landing target
plane at each detection position;

summarizing findings in a 2D histogram, resulting in an accumulation of true and false candidates of landing features now
on a 3D plane where the container is about to land; and

providing a second distance from the container to the landing target as a horizontal distance from one of the corners of the
container to the point of the landing target to the crane control system for landing the container on the landing target,
based on the 2D histogram in a statistical analysis to sort out the most probable landing features.

US Pat. No. 9,577,524

CONVERTER DEVICE AND CORRESPONDING METHOD

ABB SCHWEIZ AG, Baden (C...

1. A converter device arranged to convert power between a first high voltage direct current, HVDC, connection, a second HVDC
connection and an alternating current, AC, connection the converter device comprising:
a first power converter comprising at least one phase leg provided between terminals of the first HVDC connection, each one
of the at least one phase leg comprising a positive arm, an inductor, an AC connection and a negative arm, arranged serially
between the terminals of the first HVDC connection, wherein each one of the positive atm and the negative arm comprises converter
cells and one of all the converter cells is a first host converter cell, each one of the converter cells of the positive arm
and of the negative arm comprising at least two main switching elements and a storage element, two of the at least two main
switching elements being arranged serially in a converter switching element string, the converter switching element string
being connected in parallel with the energy storage element; and

a power converter section comprising a first converter cell comprising at least two switching elements, two of the at least
two switching elements of the first converter cell of the power converter section being connected serially in a first switching
element string, the first switching element string being connected in parallel with the energy storage element of the first
host converter cell, wherein a point between the two of the at least two switching elements of the first converter cell is
connected to a first terminal of the second HVDC connection, and the first converter cell is different from the first host
converter cell;

wherein the converter device is arranged to control the at least two switching elements of the first switching element string
in dependence of a state of the at least two main switching elements of the first host converter cell.

US Pat. No. 9,716,425

MULTILEVEL CONVERTER WITH HYBRID FULL-BRIDGE CELLS

ABB SCHWEIZ AG, Baden (C...

1. A multilevel voltage source converter configured to convert between alternating current and direct current, comprising:
a plurality of phase legs connected between two DC poles, each phase leg comprising an upper phase arm and a lower phase arm,
at least one of the upper phase arm and the lower phase arm comprising a number of cells between one of the two DC poles and
an AC terminal, said cells comprising at least one hybrid full bridge cell for fault current handling operation, wherein each
cell in the at last one of the upper phase arm and the lower phase arm is controllable to contribute to meeting a reference
voltage for obtaining a waveform on the AC terminal of the phase leg, said hybrid full-bridge cell consisting of:

a first cell connection terminal for coupling to the one of the two DC poles;
a second cell connection terminal for coupling to the AC terminal; and
an energy storage element having a positive and a negative end;
a first group of series connected semiconducting units, wherein the first group of series connected semiconducting units is
connected in parallel with the energy storage element, wherein the semiconducting units of the first group of series connected
semiconducting units comprises first and second semiconducting units, wherein the first semiconducting unit only comprises
a first active switching element with a first anti-parallel connected unidirectional conducting element, wherein the second
semiconducting unit only comprises a second active switching element with a second anti-parallel connected unidirectional
conducting element, wherein the first semiconducting unit and the second semiconducting unit are connected in series, and
wherein a junction between the first semiconducting unit and the second semiconducting unit forms one of the first cell connection
terminal and the second cell connection terminal; and

a second group of series connected semiconducting units, wherein the second group of series connected semiconducting units
is connected in parallel with the energy storage element as well as with the first group of series connected semiconducting
units, wherein the semiconducting units of the second group of series connected semiconducting units comprises third and fourth
semiconducting units, wherein the third semiconducting unit only comprises a third active switching element with a third anti-parallel
connected unidirectional conducting element, wherein the fourth semiconducting unit only comprises a fourth unidirectional
conducting element, wherein the third semiconducting unit and the fourth semiconducting units are connected in series, wherein
a junction between the third semiconducting unit and the fourth semiconducting unit forms the other one of the first cell
connection terminal and the second cell connection terminal, and wherein the third active switching element of the third semiconducting
unit in the second group of series connected semiconducting units is configured to always be in on state in normal operation
of the converter.

US Pat. No. 9,659,927

JUNCTION BARRIER SCHOTTKY RECTIFIER

ABB Schweiz AG, Baden (C...

1. A junction barrier Schottky rectifier comprising:
a substrate layer having a first conductivity type;
a drift layer having the first conductivity type, wherein the drift layer is on the substrate layer and has a lower peak net
doping concentration than the substrate layer;

a plurality of emitter regions in the drift layer adjacent to a first main side of the junction barrier Schottky rectifier,
each emitter region having a second conductivity type different from the first conductivity type;

a first metal contact layer forming a Schottky contact with the drift layer and an ohmic contact with each one of the emitter
regions on the first main side of the junction barrier Schottky rectifier; and

a second metal contact layer forming an ohmic contact with the substrate layer on a second main side of the junction barrier
Schottky rectifier opposite to the first main side,

wherein the drift layer includes a first drift layer section and a second drift layer section, wherein a peak net doping concentration
of the first drift layer section is at least two times lower than a minimum net doping concentration of the second drift layer
section, and

for each emitter region the first drift layer section includes a layer section which is in contact with the respective emitter
region to form a pn-junction between the first drift layer section and the respective emitter region, wherein the thickness
of this layer section in a direction perpendicular to the interface between the first drift layer section and the respective
emitter region is at least 0.1 ?m, wherein

each one of the emitter regions comprises a first emitter section and a second emitter section, wherein a peak net doping
concentration of the second emitter region is at least two times higher than a peak net doping concentration of the first
emitter section, and

in each emitter region the second emitter section extends to the second drift layer section, while the first emitter section
is separated from the second drift layer section by the first drift layer section.

US Pat. No. 9,660,453

CONTROL OF A MICROGRID

ABB Schweiz AG, Baden (C...

1. A method of controlling a microgrid comprising at least one distributed generator, DG, and arranged for being connected
to a power grid, by means of a converter via which the DG is connected in said microgrid, the method comprising:
obtaining an indication of a voltage drop in the microgrid; and
running the converter in an interstate mode, in response to the obtained indication, in which interstate mode the converter
is configured for controlling both at least one current output and a voltage output;

wherein the interstate mode comprises dynamically assigning different weights to the controlling of the current output and
the controlling of the voltage output in relation to each other, and

wherein the obtaining an indication comprises obtaining an indication that the power import to the microgrid from the power
grid is below a predetermined threshold, and

wherein the converter remains in the interstate mode for a prolonged time or indefinitely.

US Pat. No. 9,654,085

INTELLIGENT GATE DRIVER FOR IGBT

ABB SCHWEIZ AG, Baden (C...

1. A method of controlling a reverse-conducting insulated gate bipolar transistor, RC-IGBT, the method comprising,
upon receiving an ON command:
always applying high-level gate voltage during a first time period, and feeding a current during the first time period into
a connection point connected, via a unidirectional conducting element, to a collector terminal of the RC-IGBT and, via a series
resistor, to an emitter terminal of the RC-IGBT;

monitoring the connection point potential during the first time period; and
applying low-level gate voltage whenever it is determined that said connection point potential is below a threshold potential
at the end of the first time period.

US Pat. No. 9,667,755

PROCESS AUTOMATION SYSTEM AND METHOD FOR OPERATION OF A PROCESS AUTOMATION SYSTEM

ABB Schweiz AG, Baden (C...

18. A process automation system in which at least two protocols P1, P2 are utilized, the system comprising:
at least one P1-aware process automation component; and

at least one P1-unaware process automation component using P2,

wherein the at least one P1-aware process automation component is configured to:

detect an occurrence of a volume data transfer from the P1-unaware process automation component, and

upon detection of the occurrence of the volume data transfer, request for bandwidth on behalf of that P1-unaware process automation component to decrease the communication time, and subsequently release the requested bandwidth,
wherein download detection is implemented inside of a P1-and-P2 Linking Device or Proxy,

wherein the bandwidth is at least one of requested and released through a P1 resource management function using corresponding commands standardized within P1, and

wherein the at least one P1-aware process automation component is one of:

a P1 communication master,

a P1 slave,

a P1-and-P2 linking device or proxy including at least one of a wireless gateway, a wireless adapter and a wireless device, and

a device integration component in the system representing one of the P1 communication master, the P1 slave, and the P1-and-P2 linking device or proxy.

US Pat. No. 9,664,712

MAGNETO OPTICAL CURRENT TRANSDUCER WITH IMPROVED OUTAGE PERFORMANCE

ABB Schweiz AG, Baden (C...

1. A system for sensing current through a conductor and outputting to a meter, the system comprising:
an optical module including a light source for directing an optical signal in an optical path around the conductor and producing
an optical module signal that is a voltage proportional to the current through the conductor; and,

a cutout module including a number of circuits configured to receive said optical module signal that is the voltage proportional
to the current through the conductor from the optical module and output a cutout module signal to the meter, wherein said
cutout module is configured to convert a root mean squared (RMS) value of said optical module signal to a direct current (DC)
signal, wherein said cutout module is further configured to output the cutout module signal as the optical module signal unmodified
in response to said DC signal of the optical module signal being above a threshold value and said cutout module is further
configured to output a zero voltage optical module signal in response to said DC signal being below the threshold value.

US Pat. No. 9,666,351

DEVICE COMPRISING A HIGH VOLTAGE APPARATUS INCLUDING A FLUID AND EQUIPMENT FOR DETECTING ONE OR MORE PHYSICAL PROPERTIES OF THE FLUID

ABB Schweiz AG, Baden (C...

1. A device including a high voltage apparatus comprising:
a housing enclosing a fluid for providing cooling and/or electrical insulation of the apparatus,
a detector equipment configured to detect one or more physical properties of the fluid and positioned spaced apart from the
housing at a level below a top level of the housing, and

a pipe assembly for housing a fluid, the fluid in the pipe assembly is in communication with the fluid in the housing, and
the detector equipment is in communication with the fluid in the pipe assembly,

wherein the detector equipment is configured to detect any of light, pressure, moisture, or gas content in the fluid,
the pipe assembly is arranged such that the fluid inside the pipe assembly flows between the detector equipment and the housing
without interruption of obstacles in the pipe assembly, and

the detector equipment is positioned at least 1 m away from the housing of the apparatus.

US Pat. No. 9,604,361

SYSTEM AND METHOD FOR DEFINING MOTIONS OF A PLURALITY OF ROBOTS COOPERATIVELY PERFORMING A SHOW

ABB Schweiz AG, Baden (C...

1. A system for creating and amending a playlist defining motions of a plurality of real robots cooperatively performing a
show, and the system comprises:
at least one storage for storing a plurality of segments that describe motions of the robots during the show, each segment
includes a description of motions of one of the robots during a defined time period, which description comprises positions
of the robot, and for storing a plurality of scenes, each scene specifying a plurality of segments to be executed simultaneously
by the robots,

a playlist handler configured to handle creation of a playlist including a sequence of scenes and to amend the playlist according
to user commands,

a user interface configured to display the playlist to a user, to allow the user to edit the playlist by amending the sequence
of scenes, and to receive the user commands characterized in that said playlist handler is configured to receive a user command
regarding an amendment to a part of the sequence of scenes, to validate the amendment based on said description of the motions
of the robots of the segments included in the scenes in the amended part of the playlist, and to allow or deny the amendment
based on the outcome of the validation, wherein the playlist handler is configured to compare positions belonging to the same
robot of neighboring scenes in the amended part of the playlist and to validate the amendment based on the outcome of the
comparison; and a plurality of real robots cooperatively performing the show.

US Pat. No. 9,576,709

TRANSFORMER HAVING A STACKED CORE

ABB SCHWEIZ AG, Baden (C...

1. A three-phase distribution transformer comprising:
(a.) a ferromagnetic core comprising:
first and second yokes, each having an inner longitudinal side and an outer longitudinal side and each comprising a stack
of consecutive yoke plates, each of the yoke plates having a unitary construction; and

first and second outer legs each having a cruciform cross-section, each of which comprises a stack of outer leg plates, each
of the outer leg plates having a unitary construction and a trapezoidal shape with an inner longitudinal edge, an outer longitudinal
edge and mitered edges extending between the inner and outer longitudinal edges, the mitered edges meeting the inner longitudinal
edges at inner points, respectively; and

an inner leg disposed between the first and second outer legs, the inner leg comprising a stack of inner leg plates;
wherein the core is arranged in a plurality of layers, each of the layers comprising a pair of the yoke plates, at least one
inner leg plate and a pair of the outer leg plates;

wherein in an innermost layer, the width of each yoke plate is less than the width of each outer leg plate;
wherein in outermost layers on opposing sides of the core, the yoke plates have the same width as the outer leg plates; and
wherein in each of the layers, the inner points of the outer leg plates are in contact with the yoke plates; and
(b.) at least one coil winding mounted to one of the outer legs.

US Pat. No. 9,735,573

DC-POWER SYSTEM WITH SYSTEM PROTECTION CAPABILITIES

ABB Schweiz AG, Baden (C...

1. A DC-power system for powering a vessel, comprising:
a main DC bus,
a power generating unit feeding the main DC bus with an output voltage and current,
a first disconnector arranged between the main DC bus and the power generating unit for isolating the power generating unit
from the main DC bus in case of a main DC bus fault, wherein when a fault has occurred in the DC-power system, the power generating
unit is configured to limit the output voltage and current to a level that permits the first disconnector to operate within
its rating, and

a drive unit being fed by the main DC bus, wherein the drive unit comprises a drive unit bus system, converter units connected
to the drive unit bus system, and fuses (F) arranged between the drive unit bus system and the converter units for protecting
the converter units in case of a drive unit fault,

wherein the drive unit comprises a first input unit arranged between the main DC bus and the drive unit bus system, and wherein
the first input unit comprises a second disconnector for disconnecting the drive unit from the main DC bus in case of a drive
unit fault.

US Pat. No. 9,659,730

APPARATUS AND METHOD FOR SECTIONING THE PHASE CONDUCTORS OF AN ELECTRIC POWER DISTRIBUTION NETWORK

ABB SCHWEIZ AG, Baden (C...

1. An apparatus (50) for sectioning the phase conductors (L1, L2, L3) of a multi-phase electric power distribution network (NET) comprising a
plurality of disconnectors, each disconnector being operatively associated to a related phase conductor and comprising switching
means for sectioning the related phase conductor and a control unit that is capable of controlling said switching means and
is capable of wireless communicating with other remote devices;
wherein the control units of said disconnectors:
execute a normal-condition procedure, if the control unit of each disconnector determines the occurrence of normal conditions
for said power distribution network, during said normal-condition procedure the control unit of each disconnector switching
in turn between a transmission mode, in which said control unit broadcasts first data packages (DP1) related to its operating conditions and/or the operating conditions of the power distribution network, and a turn-off mode,
in which said control unit does not transmit or receive data packages from the control units of the other disconnectors;

execute a non-sectioning procedure, if the control unit of one disconnector determines the occurrence of a fault event and
the occurrence of non-sectioning conditions for said power distribution network, during said non-sectioning procedure the
control unit of each disconnector switching in turn between a transmission mode, in which said control unit broadcasts second
data packages (DP2) related to its operating conditions and/or the operating conditions of the power distribution network, and a receiving mode,
in which said control unit waits for receiving the second data packages (DP2) broadcasted by the control units of the other disconnectors;

execute a sectioning procedure, if the control unit of one disconnector determines the occurrence of a fault event and the
occurrence of sectioning conditions for said power distribution network, during said sectioning procedure the control unit
that has determined the occurrence of said fault event coordinating the control units of the other disconnectors, so that
the control units of said disconnectors synchronously command the sectioning of the phase conductors of said power distribution
network at a predetermined intervention time (TI).

US Pat. No. 9,654,345

ANALYZING DATA COMMUNICATION IN A PROCESS CONTROL OR SUBSTATION AUTOMATION SYSTEM

ABB Schweiz AG, Baden (C...

1. A method for analyzing communication of Logical Nodes (LNs) of a plurality of Intelligent Electronic Devices (IEDs) in
an operating Process Control (PC) system for controlling an industrial process or in an operating Substation Automation (SA)
system for controlling an electric power substation, wherein the PC or SA system includes a plurality of operational aspects,
and wherein sender LNs of the plurality of IEDs are configured to send data packets to predetermined receiver LNs of the plurality
of IEDs via a communication network of the PC or SA system, the method comprising:
analyzing data packets transmitted via the communication network and identifying data packets including data indicative of
events of the PC or SA system, wherein the identifying comprises comparing a data object value of a data object of the data
packet being analyzed with a data object value of a same previous data object, and identifying the event in case the values
diverge;

determining, for each identified data packet, a sender LN and a receiver LN;
retrieving, from a formal configuration representation of the PC or SA system, for each sender LN and for each receiver LN
an operational aspect;

generating a time sorted graphical representation of the events and the sender and receiver LNs of corresponding identified
packets; and

grouping the LNs according to the operational aspects retrieved.

US Pat. No. 9,667,099

METHOD FOR OPERATING AN ENERGY INSTALLATION, AND AN ENERGY SYSTEM HAVING SUCH ENERGY INSTALLATIONS

ABB Schweiz AG, Baden (C...

1. A method for operating an energy installation, the energy installation having a wind turbine or water turbine connected
to a generator, a converter unit connected on a generator side to the generator, and an auxiliary energy unit to provide electrical
energy to cover an intrinsic energy demand of the energy installation, the converter unit being connected on a grid side to
an electric power grid to feed electrical energy generated by the generator into the electric power grid via the converter
unit, and the auxiliary energy unit being connected to the electric power grid for drawing electrical energy, the method comprising:
drawing electrical energy from an energy storage unit via the auxiliary energy unit in an event of a separation of the converter
unit and of the auxiliary energy unit from the electric power grid;

in the event of the separation of the converter unit and of the auxiliary energy unit from the electric power grid, drawing
electrical energy from the energy storage unit for an adjustable period of time to the auxiliary energy unit, and then drawing
electrical energy generated by the generator to the auxiliary energy unit via the converter unit;

electrically charging the energy storage unit, formed as a capacitive energy store or as a battery, by a charging unit; and
in the event of the separation of the converter unit and of the auxiliary energy unit from the electric power grid, drawing
via the charging unit, electrical energy generated by a photovoltaic unit.

US Pat. No. 9,634,488

LOAD SCHEDULING OPTIMIZATION IN DISTRIBUTED SYSTEM

ABB Schweiz AG, Baden (C...

1. A power distribution management system for managing distribution of electrical power in a distribution network including
a predetermined class of loads and other loads, the power distribution management system comprising:
a substation including a plurality of feeders for distributing power to the predetermined class of loads and to the other
loads, wherein the predetermined class of loads communicates with the power distribution management system through one or
more communication devices;

an optimizer for generating a priori an optimal load schedule of individual loads of the predetermined class of loads, wherein
the optimal load schedule is derived using an objective function with constraints that minimizes a difference between a power
supply quota for the predetermined class of loads and power consumed by the predetermined class of loads over a period of
time, wherein the power supply quota is power committed for the predetermined class of loads from total power available for
distribution to the predetermined class of loads and to the other loads, wherein the difference between the power supply quota
and the power consumed is minimized by scheduling an adequate number of individual loads from the predetermined class of loads
according to a power demand of the individual loads of the predetermined class of loads, and wherein the constraints include
at least one of (i) a total ON time constraint indicative of a total time of power required by each individual load of the
predetermined class of loads, and (ii) a minimum ON time constraint indicative of a minimum time for which power is to be
scheduled to each individual load of the predetermined class of loads; and

a communication interface for communication with at least one of the individual loads and the optimizer, wherein the optimal
load schedule is communicated to the individual loads through the communication interface,

wherein the power distribution management system is for managing the individual loads of the predetermined class of loads,
the distribution network, and the plurality of feeders based on the optimal load schedule.

US Pat. No. 9,627,155

ELECTRICAL SWITCHING DEVICE WITH A TRIPLE MOTION CONTACT ARRANGEMENT

ABB Schweiz AG, Baden (C...

1. A contact arrangement having a longitudinal axis and comprising:
a first contact group with a first contact and a second contact and a second contact group with a third contact and a fourth
contact,

the first contact interacting electrically and mechanically with the third contact and/or the second contact interacting electrically
and mechanically with the fourth contact, for closing and opening the contact arrangement,

the first contact and the second contact configured to have a same speed,
at least one mechanical coupling configured to transmit an actuation force to the second contact group and thereby move the
second contact group,

the at least one mechanical coupling configured to move the third contact and the fourth contact in such a way that speeds
of the third contact and the fourth contact differ along at least a portion of a travel path of the third contact or along
at least a portion of a travel path of the fourth contact,

wherein the at least one mechanical coupling is a linkage having a first kinematic chain and a second kinematic chain, wherein
the first kinematic chain is movably connected to the first contact group in an electrically insulating manner and the second
kinematic chain is movably connected to the second contact group, and

wherein the first kinematic chain has at least two levers, with a first lever of the first kinematic chain rotationally connected
to a bearing and fixedly connected to a first lever of the second kinematic chain, and with an end lever of the first kinematic
chain movably connected to the first contact group.

US Pat. No. 9,709,203

COLOR CHANGER MODULE AND COLOR CHANGER

ABB Schweiz AG, Baden (C...

1. A color changer module comprising:
a plurality of color changer modules arranged next to one another in a row, each color changer module having:
an inlet channel and an outlet channel;
a duct channel arranged between the inlet and outlet channels to form a fluidic connection;
a first valve for interrupting the duct channel; and
a docking valve in series with the first valve and with which the duct channel can also be interrupted,
wherein the outlet channels among the plurality of color changer modules are connected to form a common outlet channel of
the row of color changer modules,

wherein the common outlet channel extends through the row of color changer modules, and serves as a central return channel
for the row of color changer modules, and

wherein the docking valve has a first valve part which encompasses the inlet channel and a second valve part, wherein at least
the first valve part is movable so that, through a coupling movement, both valve parts can be hermetically coupled to one
another at coupling surfaces or completely separated from one another.

US Pat. No. 9,696,696

SUBSTATION AUTOMATION SYSTEM WITH DYNAMIC MULTICAST FILTER

ABB Schweiz AG, Baden (C...

1. A substation automation system for operating a high or medium voltage substation of an electric power transmission or distribution
network, the substation automation system comprising:
a bus system and a multitude of secondary devices;
wherein each of the multitude of secondary devices
is adapted to at least one of send and receive multicast messages via the bus system,
includes a processor adapted to execute an application stored in a non-transitory memory to operate a primary device of the
substation automation system,

includes a packet filter integrated circuit adapted to select multicast messages, based on a rule of the packet filter integrated
circuit, and to forward the selected multicast messages from the bus system towards the application executed by the processor;

wherein the processor is adapted to execute rule adaptor instructions to dynamically adapt the rule of the packet filter integrated
circuit during runtime of the substation automation system in case of a change in multicast packet needs of the application,
the rule adaptor instructions being adapted to determine an identifier used by the rule of the packet filter integrated circuit
to identify and forward the selected multicast messages, the identifier being determined from a Substation Configuration Description
(SCD) of the substation automation system; and

wherein the adaptation of the rule of the packet filter integrated circuit during runtime of the substation automation system
is effective to identify and forward the selected multicast messages which are currently needed by the application executed
by the processor;

wherein the adaptation of the rule of the packet filter integrated circuit during runtime of the substation automation system
is effective to reduce the processing load imposed on the processor by limiting the identification and the forwarding to only
the selected multicast messages which are currently needed by the application executed by the processor;

wherein a secondary device, which sends a multicast packet, is adapted to write an identifier in a header field of the multicast
packet, and wherein the rule of the packet filter integrated circuit involves said identifier.

US Pat. No. 9,632,500

METHOD AND ARRANGEMENT FOR CONFIGURING A SYSTEM FOR MONITORING THE PERFORMANCE OF A CONTROL LOOP OF AN INDUSTRIAL PLANT

ABB Schweiz AG, Baben (C...

1. A method for configuring a system for monitoring the performance of a control loop of an industrial plant, comprising:
reading in first process data derived from measurements of at least one sensor inside the control loop during a particular
control situation;

calculating from the first process data at least one performance index indicating the behaviour of the control loop;
performing a first determination by determining a first quality of the control performance depending on a difference between
the at least one performance index and a corresponding threshold value,

wherein if under the first determination the first quality of the control performance is determined to be less than good,
a second quality of the control performance is determined by analyzing second process data derived in a different way from
measurements of the at least one sensor or of at least one further sensor inside the control loop during the particular control
situation, or by processing an input from a user, the input indicating the second quality,

wherein if the second quality is determined to be less than good, the first quality is identified as a correct value,
wherein if the second quality of the control performance is determined to be good or better than good the at least one threshold
value is adjusted to have a value close to the at least one performance index, and a second determination of the first quality
is performed with an expectation that the first quality has a same level as the second quality,

wherein if under the second determination, the first quality is determined to be good or better than good, as expected, the
at least one threshold value is stored for a next control performance diagnosis, and

wherein if under the second determination the first quality is still determined to be less than good, an error message is
generated.

US Pat. No. 9,614,429

SYSTEM FOR CONVERTING AC ELECTRICAL POWER TO DC ELECTRICAL POWER AND METHODS

ABB Schweiz AG, Baden (C...

1. A system for converting alternating current (AC) electrical power to direct current (DC) electrical power comprising:
a DC link including a first DC rail;
a second DC rail;
a passive rectifier coupled with the DC link and including a plurality of phase legs coupled with the first and second DC
rails, each of the phase legs having an AC input node, a first passive circuit element connected between the AC input node
and the first DC rail, and a second passive circuit element connected between the AC input node and the second DC rail;

a multilevel converter coupled with the DC link, and including a middle node, a first active arm coupled between the middle
node and the first DC rail, and a second active arm coupled between the middle node and the second DC rail;

a plurality of clamping switches each coupled between the middle node of the multilevel converter and respective ones of the
AC input nodes of the plurality of phase legs; and

a controller operably coupled with the multilevel converter and structured to reduce input current harmonics to the passive
rectifier and to reduce input reactive power, via controllably varying voltage outputs of the first and second active arms
so as to compensate for differences between voltage phase and current phase in AC electrical power supplied to the system.

US Pat. No. 9,691,561

KNIFE SWITCH ASSEMBLY, AN ELECTRIC POWER DISTRIBUTION SWITCHGEAR AND A METHOD FOR PREVENTING ELECTRIC DISCHARGES

ABB Schweiz AG, Baden (C...

1. A knife switch assembly comprising a pair of hinged contact knives, arranged parallel to each other and connected to each
other at a first respective end, and moveable between at least two positions, a first electric contact element comprising
a current carrying conductor, said contact knives being made of an electrically conductive material and being electrically
connected at said first end to a first electric conductor, an operator device for moving said pair of contact knives between
the at least two positions, of which a first position is an open position in which a respective second end of the contact
knives is disconnected from any electrical contact, and of which a second position is a first contact position in which said
respective second end of the contact knives is in electrical contact with the first electric contact element and, a guide
member located between the two contact knives, said guide member having two projecting side parts the, projecting side parts
extending along at least part of respective sides of contact knives, wherein each side faces one another, and said guide member
is made of a non-conductive material and has a shape adapted to receive the first electric contact element between the two
projecting side parts.

US Pat. No. 9,658,084

RESOLVER POSITIONING SYSTEM, ROBOT AND METHOD THEREFOR

ABB Schweiz AG, Baden (C...

4. A resolver positioning system for a robot, which system is connectable to a battery supply and is drivable in a pulsed
mode, said system comprising:
a resolver arranged to detect an axis position of a robot;
a first comparator connected to said resolver and configured to read a first resolver value from said resolver, wherein said
first comparator is configured to provide two different reference levels for said first resolver value;

a second comparator connected to said resolver and configured to read a second resolver value from said resolver, wherein
said second comparator is configured to provide two different reference levels for said second resolver value; and

a controller connected to said first and second comparators, wherein said controller is configured to provide a quadrant evaluation
of said axis position from said first and second resolver values, and wherein said controller is configured to change between
the two reference levels of said first comparator and said second comparator between two consecutive readings of said first
resolver value and said second resolver value, respectively.

US Pat. No. 9,672,964

HIGH FIELD STRENGTH VARISTOR MATERIAL

ABB SCHWEIZ AG, Baden (C...

1. A varistor material for a surge arrester comprising ZnO forming a ZnO phase and Bi expressed as Bi2O3 forming an intergranular bismuth oxide phase, the varistor material further comprising a mixture of spinel forming components
comprising Mn, Co, Ni and Cr expressed as MnO2, CoO, NiO and Cr2O3, respectively, and optionally Si expressed as SiO2, the amount of SiO2 being less than 0.05 mol %, said varistor material further comprising a spinel phase, wherein the amount of a pyrochlore phase
comprised in the varistor material is such that the ratio of the pyrochlore phase to the spinel phase is less than 0.15:1.

US Pat. No. 9,667,043

DEVICE FOR HIGH FREQUENCY CURRENT DAMPING

ABB SCHWEIZ AG, Baden (C...

1. A device for damping of high frequency currents comprising:
a conductor extending along a main axis;
a first damping path including a first damping element extending along a first axis; and
a second damping path including a second damping element extending along a second axis,
wherein the first and second damping elements are arranged on opposite sides of the conductor, and the main axis, the first
axis and the second axis are different and separate from each other,

wherein the first damping element and the second damping element are spaced apart from the conductor and electrically connected
in parallel with the conductor between a first position and a second position along the conductor, and

wherein, from the first position to the second position, a resistance of the conductor is lower than a resistance of either
one of said first and second damping paths.

US Pat. No. 9,692,339

METHOD AND SYSTEM FOR ESTIMATING DIFFERENTIAL INDUCTANCES IN AN ELECTRIC MACHINE

ABB Schweiz AG, Baden (C...

1. A self-commissioning method for estimating differential inductances in an electric machine, preferably a synchronous electric
machine such as e.g. a synchronous reluctance machine or interior permanent magnet machine and/or an electric machine which
has cross-magnetization effects, comprising the steps of:
driving the electric machine with PWM voltages to explore a plurality of operating points of the currents in the electric
machine while keeping the electric machine at standstill or quasi-standstill;

at each of the operating points, using PWM switching transients as a small-signal voltage excitation;
measuring currents of the electric machine by means of oversampling to permit the reconstruction of the current waveforms,
wherein the current ripple within a PWM period caused by the PWM switching transients is observed;

determining direct and quadrature current waveforms from the measured currents of the electric machine while the current ripple
within a PWM period is observed; and

determining the differential inductances at each of the operating points of the currents based on the determined direct and
quadrature current waveforms and on direct and quadrature voltages of the electric machine.

US Pat. No. 9,728,922

ELECTRICAL ADAPTER, AND RELATED SWITCHGEAR PANEL

ABB Schweiz AG, Baden (C...

1. An electrical adapter suitable for connecting a connection contact of a circuit breaker with an associated contact piece
of an electrical circuit along which the circuit breaker is inserted, the electrical adapter comprising:
a hollow tubular element having a first end portion and a second end portion configured to be electrically connected to a
connection contact and a contact piece, respectively, an inner cavity of the hollow tubular element having, at the first end
portion, a first frusto-conical shape;

a first connector having a hollow deformable body, the first connector being configured to be accommodated inside the first
end portion having the first frusto-conical shape;

a locking body configured to be securely placed along the inner cavity of the hollow tubular element; and
a second connector including a first connection portion configured to be accommodated inside the first end portion having
the first frusto-conical shape of the hollow tubular element, a main portion extending transversely from and outside of the
hollow tubular element, and a contact portion which extends from a central portion in a direction opposite to that of the
first portion and configured to be electrically connected to the connection contact of a circuit breaker, wherein the second
connector is adapted to be mechanically secured to the locking body with the first connector mechanically fitted between and
in contact with the first end portion having the first frusto-conical shape and the first connection portion of the second
connector, and wherein a position of the contact portion is adjustable relative to the hollow tubular body.