대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

800kV 가스차단기의 아크특성 해석

The numerical analysis of gas blast arcs for 800kV GCB

  • ;
  • 신영준 (한국전기연구소 개폐장치연구팀) ;
  • 박경엽 (한국전기연구소 개폐장치연구팀) ;
  • 송기동 (한국전기연구소 개폐장치연구팀) ;
  • 최영길 (한국전기연구소 개폐장치연구팀)
  • 발행 : 1995.07.20
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초록

For the analysis of hot gas flow due to arc in puffer type $SF_6$ gas circuit breakers(GCBs), a program has been developed by adding function for arcing to the Fluid-in Cells(FLIC) method, which is often used for a two dimensional compressible flow problems, utilizing a simplified enthalpy flow arc model available for arcing. In this paper, the results of arc modelling for 800kV GCB are presented and compared with that of cold gas flow in the interrupters. It is shown that the nozzle clogging is the dominating factor in the pressure rise of the puffer chamber. It permits to estimate the dielectric strength of interrupters.

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