摘要
本文分析了许继电气公司JMH-1型母线差动保护的原理,结合实际情况分析了母线各种运行状态的性能,并提出了整定原则、方法及投运、运行注意事项。
The paper analyzxes the principle of JMH-1 bus differential protection made by XJ electric Corporation and itsfunction during all kinds of bus service conditions, and presents the etting principle and method and the pointsfor attention in trial-run operation.
出处
《继电器》
CSCD
1997年第3期30-37,共8页
Relay
关键词
母线保护
电力系统
电网
运行
Bus protection Mid-impedance scheme Differential protection with rate restraint CT satura-tion Restraint ratio