摘要
通过分析中国大型水电机组3ω定子接地保护存在动作可靠性不高问题,结合李家峡水电站保护改造实例,提出3ω定子接地保护改进建议,可供参考。
The 3ω stator earthing protection of large unit is not reliable enough in operation, the paper analyzes this issue and gives recommendations on improving the 3ω stator earthing protection based on the case history of protection improvement at Lijiaxia hydropower project, which is available for reference.
出处
《西北水电》
2010年第2期66-68,共3页
Northwest Hydropower
关键词
3ω定子
接地保护
存在问题
改进建议
李家峡水电站
3ω stator
earthing protection
existing issue
improvement recommendation
Lijiaxia hydropower project
