25MW发电机出口开关不明原因拒合闸分析与处理

Analysis and Treatment of 25MW Generator Exit Switch Malfunction for Unknown Reasons

针对25MW自备发电机(余热利用)并网时断路器拒合闸问题,基于故障现象及合闸控制原理图等,从不同角度对发电机并网失败原因进行分析,并对合闸监视回路提出相应的改进措施,方便运行人员迅速查找、处理故障,保证设备的正常运行。

According to the malfunction of 25MW generator fwaste heat utilization） circuit breaker, the failure causes of generator connection were analyzed from different angles based on fault phenomenon and closing control principle diagram,etc. The corresponding improvement measures were proposed to the closing monitor circuit. It is convenient for operators to search and handle faults quickly, so as to ensure the normal operation of the equipment.