An integrated battery charger configuration for SRM drive in electric motorcycles

This paper proposes and describes an integrated battery charger configuration for a switched-reluctance motor (SRM) drive to be used in electric vehicles such as electric motorcycles. The proposed configuration can share switching devices, inductors (motor-phase winding inductance), and a control board with the SRM drive. Moreover, it can be operated as a buck-boost converter, a buck converter, a boost converter, or a cascade buck-boost converter. In addition, for improved efficiency, additional high-frequency (small size) inductors can be added to the converter circuit to replace the inductors of the motor's winding coils. A 500-W 220-V experimental system was designed, constructed, and tested based on a 32-bit digital signal processor (TMS320F28027) with the use of SiC and Si MOSFETs as switching devices. (c) 2017 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.