The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

Reduction Characteristics of Vibration and Acoustic Noise of SRM Using Hybrid Excitation Method

하이브리드 여자방식을 이용한 SRM의 진동 소음 저감 특성

  • 김창섭 (LG전자 연구원) ;
  • 오석규 (진주산업대 산업자동화공학과) ;
  • 안진우 (경성대 전기전자컴퓨터공학부)
  • Published : 2001.09.01

Abstract

The simple motor construction and low cost, fault tolerant power electronic drive has made the switched reluctance drive a strong contender for many applications. But the switched reluctance drive does exhibit higher levels of vibration and acoustic noise than that of most competing drives. The main source of vibration in the switched reluctance drive is generated by rapid change of radial force when phase current is extinguished during commutation action. In this paper, a hybrid excitation method is proposed to reduce vibration and acoustic noise of the switched reluctance drive. The hybrid excitation has 2-phase excitation by long dwell angle as well as conventional 1-phase excitation. The vibration and acoustic noise are reduced because the scheme reduces abrupt change of excitation level by distributed and balanced excitation.

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References

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