Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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A New Switched Flux Machine Employing Alternate Circumferential and Radial Flux (AlCiRaF) Permanent Magnet for Light Weight EV

  • Jenal, Mahyuzie (Research Center for Applied Electromagnetics, Universiti Tun Hussein Onn Malaysia) ;
  • Sulaiman, Erwan (Research Center for Applied Electromagnetics, Universiti Tun Hussein Onn Malaysia) ;
  • Kumar, Rajesh (Research Center for Applied Electromagnetics, Universiti Tun Hussein Onn Malaysia)
  • Received : 2016.06.09
  • Accepted : 2016.12.06
  • Published : 2016.12.31
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Abstract

Currently, an interest in electric vehicles (EVs) exhibited by automakers, government agencies and customers make it as more attractive research. This is due to carbon dioxide emitted by conventional combustion engine that worsens the greenhouse effect nowadays. Since electric motors are the core of EVs, it is a pressing need for researchers to develop advanced electric motors. As one of the candidates, switched flux machine (SFM) is initiated in order to cope with the requirement. This paper proposes a new alternate circumferential and radial flux (AlCiRaF) of permanent magnet switched flux machines (PMSFM) for light weight electric vehicles. Firstly, AlCiRaF PMSFM is compared with the conventional PMSFM based on some design restrictions and specifications. Then the design refinements techniques are conducted by using deterministic optimization method in order to improve preliminary performance of machine. Finally the optimized machine design has achieved maximum torque and power of 47.43 Nm and 12.85 kW, respectively, slightly better than that of conventional PMSFM.

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