一起线路短路故障引起发电机组跳闸的事故分析及应对措施

Analysis and Countermeasures of Generating Unit Trip Accident Caused by Transmission Line Malfunction

针对某220 kV线路故障导致关联发电机组跳闸,并造成同一母线的其他发电机组汽轮机振动突增但保持在网运行的情况,详细介绍跳闸事故经过,从多角度分析原因并提出解决方案。可为电网运行中规避类似事故起到借鉴作用,同时也提示发电企业提前排查隐患采取应对措施。

According to some 220 kV transmission line malfunction leading to the related generatior unit trip,and leading to other generator unit with the same bus turbine vibration rush but keep the network running in the mean time.The accident is introduced in detail,and is analyzed the reasons from many angles and put forward the solution.It can play a reference role for avoiding similar accidents in power grid operation,and also prompt power generation enterprises to check hidden dangers in advance and take countermeasures.