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A Survey of Deterioration Causes of High Voltage Motors in Power Plants

발전소 고압전동기 열화 요인 분석

  • 김경열 (한국전력공사 전력연구원) ;
  • 김희동 (한국전력공사 전력연구원) ;
  • 김병래 (한국전력공사 전력연구원) ;
  • 공태식 (한국전력공사 전력연구원) ;
  • 김병한 (한국전력공사 전력연구원) ;
  • 이상길 (한국전력공사 전력연구원) ;
  • 이종훤 (한국전력공사 전력연구원) ;
  • 최홍석 (한국남동발전)
  • Received : 2011.07.14
  • Accepted : 2011.09.09
  • Published : 2011.10.01

Abstract

When the high voltage motor fails in power plants, there will be an occurrence where the generator's output would be reduced or the generators would trip. Despite of these effects, the causes of deterioration of the high voltage motor is very seldom investigated. In this paper, the collected data which tested in the field over 10 years have been treated statistically, and analyzed to correlate the insulation deterioration of high voltage motor and installation environment, number of start/stop, and service life. Moreover, the proper period of insulation test is developed to map out maintenance strategy and reduce maintenance costs.

Keywords

References

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