Introduction of Power Semiconductor Options for Exciter System of Brushed Electrically Excited Synchronous Motor

Abstract:
This paper introduces the APM (Automotive Power Module) series for the Exciter of EESM (Electrically Excited Synchronous Motor) 1200V motor driver application. EESM is a new EV (electric vehicle) motor solution with higher efficiency compared to the Asynchronous Motor (ASM) due to field-weakening operation. Additionally, EESM does not require permanent magnets (which are made of rare earth materials), making it more environmentally friendly and cost-effective compared to permanent magnet synchronous motors (PMSM). In this paper, 3 kinds of power discrete option will be proposed and provided the power loss comparison through simulation to the best performance option mount into APM for exciter application.