变电站二次侧向一次侧反送电故障分析

Analysis of a reversed feeding fault from secondary to primary circuit in the substation

对茶棚变电站#2主变压器中压侧开关在投运过程中发生电压互感器二次侧向一次侧反送电故障进行了分析,找出了反送电的原因并阐述了其危害性。针对送电操作步骤中的不足,提出了改进措施,供相关技术人员参考。

A reversed feeding fault from secondary to primary circuit in the medium pressure switch No. 2 main transformet of Chapeng Substation at turn on operation was analyzed. The reason of the reversed feeding fault was found, and the dangers of the fault to system were expounded. Aiming at the defect of feeding operation, some improvement measures were proposed for the elated technician referring.