【摘要】 针对鸡洲110kV变电站由于10kV出线故障,引起主变后备过流保护动作跳闸,对保护动作情况进行分析,指出导致主变保护动作的原因。更多还原

【Abstract】 This paper deals with the trip of backup overcurrent protection for main transformer in the Jizhou substation caused by the fault on the 10 kV outgoing line,analyzes the performance of relays and presents the reason of main transformer protection’s trip.更多还原