摘要
某大型水电站共18台机组,其中2台机组因定子端部电晕现象比较严重,且发生了接地故障。以其中一台机组为例,经对其接地故障情况、故障原因以及故障处理方法进行了详细分析与探索,为如何预防或减少类似故障的发生提出了几点有益的建议。
In a large-scale hydropower station,serious corona phenomenon is observed in the stator ends of two generator units and grounding faults are encountered.The fault situation,possible causes and treatment measures are analyzed in detail.Also,several suggestions are proposed for the prevention or reduction of similar faults.
作者
马志忠
刘凯兵
MA Zhizhong;LIU Kaibing(China Three Gorges Mechanical and Electrical Engineering Co., Ltd., Chengdu 610040, China;Voith Hydro Shanghai Ltd., Shanghai 201111, China)
出处
《水电与新能源》
2020年第6期67-70,共4页
Hydropower and New Energy
关键词
水轮发电机
接地故障
定子铁心
故障分析
hydro-turbine generator
grounding fault
stator core
fault analysis
