Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Comparative Analysis on Insulation Performance of Traction Motors for Hybrid Vehicles

하이브리드 차량용 견인전동기의 절연성능 비교분석

  • 최수연 (한국해양대학교 전기전자공학부) ;
  • 박찬용 (한국해양대학교 전기전자공학부) ;
  • 김성욱 (한국해양대학교 전기전자공학부) ;
  • 박대원 (한국해양대학교 전기전자공학부) ;
  • 길경석 (한국해양대학교 전기전자공학부) ;
  • 이강원 (한국철도기술연구원 바이모달수송시스템연구단)
  • Published : 2008.12.01
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Abstract

The object of this paper is to acquire the data related to insulation evaluation of hybrid vehicle traction motors. We made a comparative analysis on Insulation Resistance (IR), Dielectric Absorption Ratio (DAR), and Polarization Index (PI) of the motor stators. The experiment was carried out according to IEEE Std. 43 and IEC 60085-1 for insulation resistance test standard of rotating machinery. Test voltage of 500 V was applied between a phase and the enclosure. The IR and the DAR of used motors were lower than those of new ones. The DAR and the PI were $0.92{\sim}1.02$ and $0.74{\sim}1.1$, respectively and the result did not meet the recommendation basis 2 for insulation level H. From the experimental results, we could prepare parameters and basis for insulation evaluation of the traction motor stator by the comparative analysis of short-time insulation resistance changes, DAR and PI.

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References

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