The recent progress of simulation techniques for the current interruption in high-voltage gas circuit breakers (GCBs). GCB is one of the key components for a stable supply of electricity in the electric power system. Japanese manufacturers have been kept technologically strong position with the highest voltage and current rating. The simulation techniques for current interruptions in GCB have contributed to their advancements. This paper reviews the simulations related to current interruption, including recent efforts to apply for the development of SF6-alternative GCBs.
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