KIEE International Transaction on Electrical Machinery and Energy Conversion Systems

The Korean Institute of Electrical Engineers (대한전기학회)
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Optimal Switching Angle Control of a Switched Reluctance Motor: Maximization of Energy Conversion Ratio

  • Park, Sung-Jun (Department of Electrical Engineering, Tongmyung College) ;
  • Lee, Sang-Hun (Department of Electrical and Computer Engineering, Kyungsung University) ;
  • Ahn, Jin-Woo (Department of Electrical and Computer Engineering, Kyungsung University) ;
  • Hong, Keum-Shik (Department of Mechanical Engineering, Pusan National University) ;
  • Lee, Man-Hyung (Department of Mechanical Engineering, Pusan National University)
  • Published : 2001.12.01
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Abstract

In this paper an optimal switching angle control of a switched reluctance motor (SRM) drive system is investigated for achieving maximum energy conversion ratio. A new magnetizing method is proposed with a low switching frequency. The proposed algorithm maximizes the positive energy conversion region, which is directly related to the mechanical output, and reduces the reactive power region with the same field energy region. As a consequence, a torque ripple is also sufficiently reduced compared with that of the conventional switching angle magnetizing method. Experimental results show that the proposed scheme provides a high efficiency and a low ripple drive.

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