准格尔电厂~#4发电机定子接地故障排查分析及防范措施

Screening Analysis and Preventive Measures of ~#4 Generator Stator Grounding Fault in Jungar Power Plant

针对准格尔电厂#4发电机在运行中发生定子接地故障,从设备、二次系统、现场试验等方面进行故障点排查,确定发电机出口电流互感器二次电缆的固定存在问题,详细分析了定子接地故障查找的过程和产生的原因,并提出了防范措施。

In view of the stator grounding fault of#4 generator in Jungar Power Plant occurred in the running process,fault point investigation was carried out from equipment,secondary system,field test and so on,the problem in the fixing of secondary cable in the generator’s outlet current instrument transformer is determined,the process of search and causes of the stator grounding fault are analyzed in detail,and the preventive measures are put forward.