按照安全技术操作规程在10千 伏电气线路上检修,应先拉开油开 关、再拉隔离开关,验明无电并挂 好接地线和警告牌后方可进行作 业。这样,可以避免一些事故。但 是,实际工作中曾发生过开关操作 机构失灵,或工作人员误操作造成 开关落下的现象。轻者造成三相短 路,损坏设备;重者则 In accordance with safety technical procedures in the 10 kV electrical wiring maintenance, should first open the oil switch, and then pull the isolation switch, verify that no electricity and hang the ground wire and warning plate before operation. In this way, you can avoid some accidents. However, in actual work, there was a phenomenon that the switch operation mechanism failed, or the staff misoperation caused the switch to fall. Light caused by three-phase short circuit, damage to equipment;