대한전기학회논문지:전기기기및에너지변환시스템부문B (The Transactions of the Korean Institute of Electrical Engineers B)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

열파퍼식 가스차단기에서 발생하는 아크 플라즈마에 의한 열유동 특성

Thermal Flow Characteristics Driven by Arc Plasmas in a Thermal Puffer Type GCB

  • 이종철 (성균관대학교 기계공학부) ;
  • 김윤제 (성균관대학교 기계공학부)
  • 발행 : 2005.11.01
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초록

During the last ten years the new interruption techniques, which use the arc energy itself to increase the pressure inside a chamber by the PTFE nozzle ablation, have displaced the puffer circuit breakers due to reduced driving forces and better maintainability. In this paper, we have investigated the thermal flow characteristics inside a thermal puffer type gas circuit breaker by solving the Wavier-Stokes equations coupled with Maxwell's equations for considering all instabilities effects such as turbulence and Lorentz forces by transient arc plasmas. These relative inexpensive computer simulations might help the engineer research and design the new interrupter in order to downscale and uprating the GIS integral.

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참고문헌

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