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Abstract The work presented in this paper deals with the investigation of circuit breaker prestrike effect that occurs during energizing a distribution transformer. An experimental test setup that consists of a supply transformer, a vacuum circuit breaker (VCB), a cable and a tes ...
Current interruption in vacuum is characterized by a very rapid transition from an almost perfectly conducting arc plasma state to a very good insulating state. During the transition, the recovery process determines the success of the interruption.@en