전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제62권8호
  • /
  • Pages.1080-1089
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  • 2013
  • /
  • 1975-8359(pISSN)
  • /
  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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반응표면분석법을 이용한 영구자석의 형상 및 특성에 따른 매입형 영구자석 동기기의 최적 설계

Optimal Design of Interior Permanent Magnet Synchronous Machines Consideration of Magnet BH Characteristic with Different Rotor Type using Response Surface Methodology

  • Im, Young-Hun (Dept. of Electrical Engineering, Chungnam National University) ;
  • Jang, Seok-Myoung (Dept. of Electrical Engineering, Chungnam National University)
  • 투고 : 2013.07.03
  • 심사 : 2013.07.25
  • 발행 : 2013.08.01
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초록

Interior Permanent Magnet Synchronous Machines (IPMSMs) with rare earth magnet are widely used in electric vehicles and hybrid electric vehicles. IPMSMs having high efficiency, high torque, and a wide speed range are employed in propulsion system. And the rotor in an IPMSM is generally made of a rare earth magnet to achieve a large energy product and high torque. This paper discusses issues regarding design and performance of IPMSMs using different factors of BH magnetic characteristic. It is necessary to choose factors of magnetic material according to permanent magnet shape in rotor for high performance. Response Surface Methodology (RSM) is selected to obtain factors of magnetic material according to variety of rotor shapes. The RSM is a collection of mathematical and statistical techniques useful for the analysis of problems in which a response of interest in influenced by several variables and the objective is to optimize response. Therefore, it is necessary to analyze the torque characteristics of an IPMSM having magnet BH hysteresis curve with different rotor shape. Factors of residual flux density (Br) factor and intrinsic coercive force (Hc) are important parameters in RSM for rotor shape. The rotor shapes for IPMSMs having magnet BH characteristic were investigated using the RSM, and three shapes were analyzed in detail using FEA. The results lead to design consequence of IPMSMs in the various rare earth magnet materials.

키워드

참고문헌

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