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A Performance Comparison of Excitation Strategies For a Low Noise SRM Drive
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  • A Performance Comparison of Excitation Strategies For a Low Noise SRM Drive
  • A Performance Comparison of Excitation Strategies For a Low Noise SRM Drive
저자명
Lee. Dong-Hee,Kim. Tae-Hyoung,Ahn. Jin-Woo
간행물명
Journal of power electronics : JPE
권/호정보
2005년|5권 3호|pp.218-223 (6 pages)
발행정보
전력전자학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A simple construction, low cost, and a fault tolerant power electronic drive have made the switched reluctance drive a strong contender for many applications. But the switched reluctance drive exhibits higher levels of vibration and acoustic noise than most competing drives. The main source of vibration in the switched reluctance drive is generated by the rapid change of radial magnetic force when the phase current is extinguished during commutation. In this paper, some excitation methods are proposed to reduce the vibration and acoustic noise of the switched reluctance drive. The excitation strategies considered in this research are 1-phase, 2-phase and hybrid excitation methods. The 1-phase method is the conventional approach, while in the 2-phase method, the two phases are excited simultaneously. The hybrid excitation has 2-phase excitation using a long dwell angle as well as conventional 1-phase excitation. The vibration and acoustic noise are compared and tested. The suggested 2-phase and hybrid strategies reduce acoustic noise because the schemes reduce the abrupt change in excitation level by using distributed and balanced excitation.