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

  • 제65권7호
  • /
  • Pages.1218-1224
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  • 2016
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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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에폭시 절연의 전기적 트리잉에 관한 표면 개질된 나노알루미나의 영향

The Influence of Surface Modified Nano Alumina for Electrical Treeing in Epoxy Insulation

  • Park, Jae-Jun (Department of Electrical Electronic Engineering, Joongbu University)
  • 투고 : 2016.05.13
  • 심사 : 2016.06.13
  • 발행 : 2016.07.01
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초록

This paper presents the results of a study on the effect of surface modified alumina nanocomposites on electrical tree growth in epoxy insulation. Treeing experiments were conducted at a fixde AC voltage (500kV/mm, 10kV/60Hz)on unfilled epoxy sample as well as epoxy nanocomposites of 4 types with different loading and surface modified GDE gram. Time for tree growth as well as tree propagation length were studied. The results show that there is a significant improvement tree propagation time compare unfilled epoxy to epoxy nano alumina composites. Different tree propagation shapes as well as slower tree growth with 4 types nano alumina composites were observed.

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참고문헌

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