摘要
论述了正确选择母差保护CT中性点接地点的重要性,接地点选择不当,有可能造成保护误动,母差保护接地点应选择在控制室一点接地。
This paper discussed the importance of proper selection of the earth point of CT neutral point. If the earth point Selected is not appropriate, it may be cause the protection act in error. We ought to select the earth point of the busbar differential protection in one point where located the control-room.
出处
《山东电力技术》
2007年第6期63-64,62,共3页
Shandong Electric Power
关键词
母差
电流互感器
误动
一点接地
busbar differential
current transition
act in error
earth in one point
