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1故障概况京沪线连城牵引变电所10月25日9时29分四条馈线断路器相继跳闸, 212和214断路器重合闸失败,于9时44分手动恢复送电;211和213断路器跳闸,重合闸成功,这次牵引变电所馈线同时全部跳闸是上海局京沪线开通以来的首次,因此分析这次故障跳闸的原因,防止类似故障跳闸发生是十分必要的。
1 Fault Overview City Line Shanghai Liancheng traction substation at 9:29 on October 25, four feeder circuit breakers have been tripped, 212 and 214 circuit breaker reclosing failure, at 9:44 manually resume power transmission; 211 and 213 circuit breaker Tripping, reclosing success, the traction at the same time substation feeder tripping is the first time since the opening of the Beijing-Shanghai line since the first analysis of the reasons for the fault trip to prevent similar fault trip is necessary.