1. A power electronics cooling system comprising:
a ram air fan comprising an air inlet and a blade mechanically coupled to a motor; and
a first pump motor coupled to a first cooling pump, wherein the first pump motor is electronically coupled to the motor of
the ram air fan,
wherein the first cooling pump pumps a first cooling liquid through a heat exchanger, wherein the blade forces air through
the heat exchanger, wherein the first cooling liquid is pumped through the heat exchanger and to a first electronics package,
and wherein the first electronics package comprises a first motor controller.