抄録
Gas circuit breaker is the very important safety device that instantaneously intercepts the circuit and protects the instrument when an abnormal current like lightning flows to electric power transmission line of high voltage transformation installation. Recently The miniaturization needs of the instrument builds up as a high glasshouse effect of SF6 is feared and the quantity consumed reduction is requested. In this study, we analyzed the behavior of the high temperature gas in consideration of three dimensions in gas circuit breaker,using CRIMSON(Civa Riflned Multiphase SimulasiON). And we thought separation of fixed electrode and movable electrode to attempt the improvement of interception performance prediction technique.
