High‐speed‐range enhancement of switched reluctance motor with continuous mode for automotive applications

Abstract

Abstract This paper describes an original method for the elaboration of control laws for the Switched Reluctance Motor (SRM) for high‐speed operation. In this case, the control optimisation relies on the choice of optimal turn‐on and turn‐off angles to ensure, in general, high global efficiency, in classical supply mode with full‐wave voltage. Then, after showing the influence of number of turns, a new supply mode called the continuous mode is described. This mode, used with a higher number of turns, allows to reduce the inverter current rating and hence silicon requirements without compromising performance at high speed. This makes the SRM competitive compared to other technologies (synchronous and induction motors). The simulation results for a 12/8 SRM are presented and compared to those for an induction motor. Copyright © 2007 John Wiley & Sons, Ltd.