Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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The Comparison of Output Characteristic by the Electro-magnetic Structure Modification of the Axial Flux Type Permanent Magnet Synchronous Generator

종축 자속형 영구자석 동기 발전기의 전자기적 구조 변경에 따른 출력특성 비교

  • 정태욱 (경남대학교 공대 전기공학과) ;
  • 배병덕 (경남대학교 대학원 전기공학과) ;
  • 김회천 (경남대학교 대학원 전기공학과)
  • Received : 2011.02.23
  • Accepted : 2011.05.17
  • Published : 2011.06.30
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Abstract

Generally, the structure without the stator core Axial Field Permanent Magnet (AFPM) generator was simple and there was nearly no cogging toque. And because it had the wide driving rate area, it had been being mainly used in the small wind power generation system. However, AFPM generator with non-slotted stator can't generate high voltage at low wind speed due to long air-gap. It is the reason of output efficiency drop. Therefore, in this paper, the AFPM synchronous generator with internal rotor and dual slotted stators for the small wind turbine is studied, and deal with a cogging torque minimization through the determination of optimum pole-arc ratio.

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References

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