대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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열상카메라를 이용한 애자의 열화에 관한 연구

A Study on the Degradation of Insulators using Thermal Image Camera

  • 김정태 (대진대학교 전기공학과) ;
  • 김지홍 (한양대학교 전기공학과) ;
  • 구자윤 (한양대학교 전기공학과) ;
  • 윤지호 (LG 산전 (주) 전력시험기술센터) ;
  • 함길호 (LG 산전 (주) 전력시험기술센터)
  • 발행 : 2000.07.17
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초록

In this paper, it was tried to find out the minimum measurement range in the diagnosis of insulators using thermal image camera, for the purpose, leakage currents and thermal images were observed simultaneously for the insulators of which surface had been artificially polluted by salt fog. As a result. the surface temperature was increased with leakage currents. Also, the results of AC breakdown tests for the insulator of which temperature rise was more than 1 $^{\circ}C$ showed to be bad. Therefore, through the study on the relationship between leakage current, temperature rise and AC breakdown voltages, the diagnosis of the insulator in site would be possible using the thermal image camera.

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