PFC and Zero Torque Control of SRM for EV Battery Charging

EV용 충전 인덕터용 PFC 및 제로 토크제어

  • Rashidi, A. (Electrical Engineering, Isfahan University of Technology) ;
  • Namazi, M.M. (Electrical Engineering, Isfahan University of Technology) ;
  • Saghaian-nezhad, S.M. (Electrical Engineering, Isfahan University of Technology) ;
  • Lee, D.H. (Mechatronics Engineering, Kyungsung University) ;
  • Ahn, J.W (Mechatronics Engineering, Kyungsung University)
  • Published : 2015.07.15

Abstract

Integrated switched reluctance motor drive as an electric vehicle battery charger is presented in this paper. The SRM, which is used as the traction power in the driving mode, is used in the charge circuit to improve the power factor of charging system. The charging circuit can share the power switches of the asymmetric converter and phase windings of SRM to charge the battery, and can reduce the size and cost of the system in the plug-in system. To keep the rotor at standstill, zero torque control method is proposed. Since the inductances of the SRM windings are not same at any stop position, the charger controller controls the reference current to satisfy the total charging current with PFC and zero torque condition. A novel cubic equation method is proposed as a current reference distributor of the charging controller. Simulations are performed by MATLAB software and results satisfy the Effectiveness of proposed battery charging system.

Keywords