摘要
介绍了220 kV远安变电所在主变220 kV侧旁路开关代主变高压开关后,在变电所220 kV系统侧存在一段快速保护死区,对三种解决方案进行了分析,并针对不同情况提出了建议。
After the circuit breaker of 220 kV main transformer being replaced by the by-pass circuit breaker in 220 kV Yuanan substation,a dead zone occused in the first protected zone of the high speed relay. Three kinds of salutions for the dead zone which effected the steady operation of the main grid were proposed,and the analysis summary was made.
出处
《湖北电力》
2008年第3期50-51,53,共3页
Hubei Electric Power
关键词
旁路代路
快速保护死区
解决对策
bypass-substitution
dead zone of high speed protection
solution and countermeasur
