COMPARATIVE STUDY OF INDUCTION MACHINE AND PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MACHINE

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Jean-Claude Mipo, VALEO EEM

Abstract

We decided to investigate two types of electrical machines for Hybrid Electric vehicle (HEV) applications, i.e. induction machine (IM) and permanent magnet assisted synchronous reluctance machine (PMA-SynRM) due to the sharp fluctuation of permanent magnet.
This paper makes a quantitative comparison between IM and PMA-SynRM for (HEV) application, in terms of electromagnetic and mechanical performance. The design process of IM is introduced, and for PMA-SynRM, a novel hybrid-PM assisted SynRM is proposed, which utilizes both ferrite and NdFeB PMs. The torque capability, torque/power-speed characteristics, torque ripple and efficiency map, are compared and discussed.

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