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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Characteristics of Insulation Degradation in Epoxy Mold Type BCT

에폭시 몰드형 BCT의 절연열화 특성

  • 송재주 (순천청암대학 IT교육과) ;
  • 이정철 (순천청암대학 IT교육과) ;
  • 임성훈 (전북대학교 공업기술연구센터) ;
  • 고석철 ((재)전남테크노파크 전남전략산업기획단) ;
  • 한병성 (전북대학교 전자정보공학부)
  • Published : 2005.10.01
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Abstract

Various stresses (such as electrical stress, mechanical stress, environmental and electrochemical stress, and defects of structure) result in insulation degradation of epoxy mold type insulators. Since the insulation degradation of BCT(Bushing Current Transformer) and bushing proceeds during fabrication process or operation time due to these causes, various methods to reduce the degradation in their insulation ability have been suggested. In this paper, we investigated surface temperature increment of these insulators due to PD(partial discharge). After the voltage applied into the insulator to generate the artificial PD, the surface temperature of the insulator was measured with non-contact thermometer using infrared rays. It was confirmed through the analysis based on PD experiments that the procession in the insulation degradation of the insulator could be estimated through the measurement of the surface temperature in the insulator.

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References

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