水轮发电机组定子接地故障分析及防范措施

Analysis and Preventive Measures of Stator Ground Fault of Hydro-generator Unit

受发电机组定子线棒制造、运输、安装等环节影响,大容量水轮发电机组定子接地故障时有发生。本文分析了两起水轮发电机组定子线棒击穿案例,并从各方面提出了有效的防范定子接地的相关措施。

Due to the influence of manufacturing,transportation,installation,etc.,the stator bars of generator sets are prone to ground fault.This paper analyzes two cases of stator bar breakdown of hydro-generator units,and puts forward effective measures to prevent stator ground fault from various aspects.