Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Study of Partial Discharge Influence on AC Breakdown Strength of Laminated Ploypropylene Paper(PPLP) at Liquid Nitrogen

액체 질소에서의 반합성지 AC 파괴 강도에 미치는 부분 방전의 영향

  • 안드레프 (PG전선(주) 전력 연구소 초빙 연구원) ;
  • 김수연 (LG전선(주) 전력 연구소) ;
  • 이인호 (LG전선(주) 전력 연구소) ;
  • 김도운 (LG전선(주) 전력 연구소) ;
  • 신두성 (LG전선(주) 전력 연구소) ;
  • 김상현 (경상대학교 전기공학과)
  • Published : 2002.05.01
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Abstract

The short-term AC breakdown strength of laminated polypropylene insulating Paper (PPLP) has been studied for cold dielectric of high temperature superconductivity power cables. The design and operating conditions of the electrode system for studying of short-term breakdown strength of one-layer and multi-layer PPLP samples are discussed in liquid nitrogen(LN2) state. The influence of various operating factors (geometry and dimension of electrodes, speed of tested voltage, thickness of test sample) on the value of short-term AC breakdown strength at cryogenic temperature has been established.

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References

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