Field circuit breaker failure causing too low arcing voltage followed by blast of ionised air in +ES cubicle and flashov导致弧压过低的磁场断路器故障是引发+ES柜空气电离和交流母排左侧末端处发生闪络的原因。
With the development of electric power system arid the aggravation of pollution, contamination flashover in HV insulator摘要随著电力系统的发展和各类污染的加剧，高压绝缘子的污秽闪络事故日益严重，对其泄漏电流的检测具有实际工程意义。