摘要
简述距离保护及其断线闭锁回路的原理,分析了电压互感器反充电引起距离保护误动的原因,归纳容易引起电压互感器反充电的几种情况,探讨防止反充电引起距离保护误动跳闸应采取的措施。
This paper narrates the principles of distance protection and disconnection locking, and analyzes the cause of malfunction of distance protection due to PT back charging and several situations of PT back charging, proper measures to deal with the problem are discussed.
出处
《安徽电力》
2004年第4期15-17,共3页
Anhui Electric Power
