US Pat. No. 10,932,388

PLUGGABLE POWER DISTRIBUTION UNITS FOR MODULAR EDGE POWER SYSTEMS

ABB Power Electronics Inc...

12. A modular edge power system comprising:a cabinet housing;
a rack inside of the cabinet housing, wherein the rack is adapted to mount a plurality of compute devices;
a direct current power bus within the cabinet housing; and
a power distribution unit removably coupled to the direct current power bus and removably coupled to one or more of the compute devices in the rack, wherein the power distribution unit is configured to convert a first electrical power level received from the direct current power bus to a second electrical power level delivered to the one or more of the compute devices, and wherein the power distribution unit is positioned within the cabinet housing and outside of the rack.

US Pat. No. 10,993,325

INTERPOSER PRINTED CIRCUIT BOARDS FOR POWER MODULES

ABB Power Electronics Inc...

1. A direct current (DC) to direct current (DC) power converter comprising:a printed circuit board having a surface;
an electrical component of a power conversion circuit mounted on the surface;
a pin mounted on the surface and configured to transmit power signals; and
an interposer printed circuit board mounted on the surface, the interposer printed circuit board comprising a pad that is configured to transmit control signals.

US Pat. No. 10,827,602

PRINTED CIRCUIT BOARDS FOR POWER SUPPLIES

ABB Power Electronics Inc...

1. A power supply comprising:a printed circuit board comprising:
a plurality of double-sided laminates, each double-sided laminate of the plurality of double-sided laminates comprising (i) an electrically insulating core, (ii) a first patterned layer of electrically conductive material arranged on a first side of the electrically insulating core, and (iii) a second patterned layer of electrically conductive material arranged on a second side of the electrically insulating core opposite the first side;
a plurality of thermally conductive, electrically insulating pre-preg sheets interleaved with the plurality of double-sided laminates, wherein each of the plurality of pre-preg sheets has a thermal conductivity greater than 2 Watts/meter-Kelvin; and
a thermally conductive, electrically insulating additive resin filling spaces between the electrically conductive material in both the first and second patterned layers of each of the plurality of double-sided laminates, such that the electrically conductive material and the additive resin together form planar surfaces that contact the plurality of pre-preg sheets, wherein the additive resin has a thermal conductivity greater than 0.3 Watts/meter-Kelvin, and wherein each of the plurality of pre-prep sheets and the additive resin provides dielectric isolation of at least 500 Volts/mil.

US Pat. No. 10,826,405

WIDE-RANGE GAIN CONVERTERS

ABB Power Electronics Inc...

1. A power converter comprising:an input to receive an input voltage;
a voltage divider disposed across the input, the voltage divider comprising first and second sides;
a first half-bridge coupled between the first side of the voltage divider and a first resonant circuit module;
a second half-bridge coupled between the second side of the voltage divider and a second resonant circuit module;
a high voltage half-bridge disposed across the input and having first and second output nodes directly connected to the first and second resonant circuit modules respectively; and
an output coupled to the first and second resonant circuit modules to supply an output voltage;
wherein each of the first half-bridge, the second half-bridge, and the high voltage half-bridge comprises a plurality of switches to control power supplied to the first and second resonant circuit modules.

US Pat. No. 10,824,180

SYSTEMS AND METHODS FOR IMPROVING CURRENT SHARING BETWEEN PARALLELED DC-TO-DC POWER CONVERTERS BASED ON TEMPERATURE COEFFICIENT

ABB Power Electronics Inc...

1. A DC-to-DC power converter comprising:a tangible, non-transitory, computer-readable memory storing a calibrated temperature coefficient associated with the DC-to-DC power converter, the calibrated temperature coefficient based upon output voltage responses of the DC-to-DC power converter over a range of operating temperatures, wherein the calibrated temperature coefficient indicates an amount of an output voltage shift per degree Celsius; and
a controller coupled to said memory, said controller comprising a proportional-integral-derivative (PID) controller, said controller configured to:
retrieve the calibrated temperature coefficient from said memory;
adjust an output voltage of said DC-to-DC power converter based upon the calibrated temperature coefficient; and
calculate a modified error value, e(t), for use with a PID control algorithm, the modified error value calculated as follows: e(t)=Vref?Vfb+(TempCo*Tsense), where Vref is a reference voltage, Vfb is a feedback voltage, TempCo is the calibrated temperature coefficient, and Tsense is a temperature sense signal indicative of a temperature of said DC-to-DC power converter.

US Pat. No. 10,833,591

SINGLE-STAGE DC-DC POWER CONVERTER

ABB Power Electronics Inc...

1. A power converter comprising:a transformer having an input side and an output side, the input side and output side being galvanically isolated from each other, wherein the input side comprises (i) a first input winding having first and second terminals and (ii) a second input winding having third and fourth terminals, wherein the third terminal of the second input winding is directly connected to the second terminal of the first input winding to connect the first and second input windings in electrical series, and wherein the output side comprises (i) a first output winding having fifth and sixth terminals and (ii) a second output winding having seventh and eighth terminals, wherein the second output winding is coupled in electrical parallel with the first output winding;
a first current doubler comprising:
a first output inductor having (i) a ninth terminal coupled to the fifth terminal of the first output winding and (ii) a tenth terminal directly connected to a load terminal of the power converter; and
a second output inductor having (i) an eleventh terminal coupled to the sixth terminal of the first output winding and (ii) a twelfth terminal directly connected to the load terminal;
a second current doubler comprising:
a third output inductor having (i) a thirteenth terminal coupled to the seventh terminal of the second output winding and (ii) a fourteenth terminal directly connected to the load terminal; and
a fourth output inductor having (i) a fifteenth terminal coupled to the eighth terminal of the second output winding and (ii) a sixteenth terminal directly connected to the load terminal;
first, second, third, and fourth switches configured to couple a voltage source to the first and second input windings, wherein the first and second switches are coupled to the first terminal of the first input winding and the third and fourth switches are coupled to the fourth terminal of the second input winding; and
a controller configured to monitor current output by the first and second current doublers and to compensate for imbalances between the first and second current doublers through upstream control of the first and second current doublers.