2002年以来,丰台供电段丰西变电所、开闭所发生如下两件性质相同的问题。①2002年5月23日丰西变电所执行218KX停电命令,丰西开闭所222DL断开后,丰西开闭所值班员进行验电、接地线,用27·5 kV声光验电器验电时,验电器发出声光,给出有电信号,值班员未立即接地线。后经确认丰西变 Since 2002, the Fengtai Substation in Fengtai Power Supply Division has opened up the following two problems of the same nature. ① On May 23, 2002 Fengxi Substation implemented the order of 218KX power cutoff and the 222DL of Fengxi Open-and-Close Center opened. After that, Fengxi Open-and-Close Office attendant conducted the electrogram and grounding lines and checked with 27.5 kV acousto-optic electroscope Electricity, electroscope sound and light, given an electrical signal, the attendant did not immediately ground line. Confirmed Fengxi change after