核电站主变局部放电试验不合格分析与处理

Analysis and Treatment of Unqualified Partial Discharge Test of Main Transformer in Nuclear Power Plant

针对#3机组C相主变现场局部放电试验不合格问题,通过现场检查和吊罩解体检查找到故障点,并对造成局放试验不合格原因进行分析,给出相应结论及建议。

The problem of unqualified partial discharge test of unit 3 Cphase main transformer was studied.Through onsite detection and hanging cover inspection,the failure was found.The reasons for the unqualified partial discharge test were analyzed,and corresponding conclusions and suggestions were given.