전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제67권10호
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  • Pages.1322-1329
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  • 2018
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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고전압 중전기기용 에폭시 수지 3종에 대한 교류트리잉 파괴특성

Characteristics of AC Treeing for Three Epoxy Resins for High Voltage Heavy Electric Machine Appliances

  • Park, Jae-Jun (Dept. of Electrical and Electronic Engineering, Joongbu University)
  • 투고 : 2018.07.01
  • 심사 : 2018.09.18
  • 발행 : 2018.10.01
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초록

In this paper, the reliability test of three kinds of epoxy resin for GIS Spacer, which is a high voltage based heavy electric machine, AC electrical treeing experiments were performed. Three types of epoxy resins, Araldite B41, CT 5531 CI and B46, have slight viscosity differences. An non-uniform electric field, E = 1149.4 kV/mm, as the needle to plate electrode, a power source with a frequency of 1 kHz was applied to the tree electrode for accelerated deterioration. The treeing phenomena of the three kinds of epoxy resin all initiated, propagated, and destroyed by the branch tree. Epoxy Resin B46 was 145 times longer than B41 and 53 times longer than CT 5531CI. I think that the choice of epoxy resin is very important in choosing high voltage heavy electric machine insulation materials.

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참고문헌

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