论文部分内容阅读
１９９９年 ８月３日８时２５分，湖北省某市一座变电站＃０４开关，突然发生跳跃性故障动作状态，直致液压机构压力下降，合闸闭锁继电器动作，其触点断开合闸控制回路，开关误动才停止。经检修人员对保护装置进行了全面检查，未发现任何保护动作信号。此次事故造成全站２台主
At 8:25 on August 3, 1999, a substation # 04 switch in a certain city in Hubei Province suddenly experienced a jump-type fault operation state, which caused the pressure of the hydraulic mechanism to drop, the closing and closing relay operated, and the contact was opened and closed. Circuit, switch malfunction to stop. After inspection personnel carried out a comprehensive inspection of the protective device, did not find any protective action signal. The accident caused the station 2 main