APEI, Inc. is currently developing high temperature (up to 300 °C) high frequency power supplies for numerous military aerospace, down-hole, and electric vehicle platforms. The utilization of the silicon carbide (SiC) and gallium nitride (GaN) power devices allows for a number of key benefits, in particular:
Very high efficiencies
High-temperature operation (allowing for either high power density or operation in high ambient environments)
Reduced thermal management system size and weight
Improved modularity (flexible systems which can be rapidly scaled to meet a number power requirements)
Reduced filter size and volumes through high frequency operation
Power electronic converters are essential in every commercial, military, and exploratory aerospace vehicle, with use in critical systems ranging from electric power management applications, to power distribution, to on-board servo motor/actuator drivers. Advancing state-of-the-art power electronics technologies through the use of wide bandgap semiconductors will produce significant savings across the board in almost all areas of the Air Force and NASA power management and distribution operations: particularly for those systems that must be launched into orbit or deep space. By utilizing the high efficiency and high-temperature potential of wide bandgap power switches, future power electronics systems will be reduced in size and weight by a factor of ten over today’s state-of-the-art converters. Reduction in size and weight means dollar savings in cost to launch and greater capacity for on-board payload systems.