Patent ID: 8687394
Filing Date: 2014-04-01
Classification: H02M

Abstract:
1. An aircraft power supply, comprising: a transformer having at least one primary winding and at least one secondary winding, each of which includes a number of turns, wherein the transformer receives input power that is supplied to the primary winding and wherein the secondary winding is coupled to an output of the aircraft power supply; and a transformer control system coupled to the transformer, wherein the transformer control system includes a switch circuit having one or more switches that control the number of turns being used in at least one of the windings by selectively shorting or unshorting one or more of the turns, and further wherein the aircraft power supply is operable in a plurality of modes to provide power to the output via the transformer, the plurality of modes comprising one mode in which all of the one or more switches of the switch circuit are open, and another mode in which one or more of the switches are closed.