摘要
根据金银台电厂10.5 kV系统组成情况,总结了该系统多次发生单相接地的故障原因及故障地点,结合现有的"单相接地保护"方案,提出了一种简单、实用的技术改造方案。
According to the composition of 10.5 kV system of Jinyintai power plant,the causes of single phase grounding fault and the spots of fault were taken into account,and a simple and practical technical innovation scheme was proposed in co-ordination with existing ＂single phase grounding protection＂ scheme.
出处
《水电与新能源》
2011年第4期7-10,共4页
Hydropower and New Energy
关键词
小电流接地系统
单相接地故障
3UO保护
small current grounding system
single phase grounding fault
3UO protection
