摘要
对110kV变电站典型接线和保护配置作了简要介绍,分析了其保护特性,对不同地点发生故障,保护和断路器动作情况,特别是越级跳闸情况进行了分析。通过对110kV典型变电站保护动作情况分析和结论,对变电站运行人员的事故判断、处理有一定的作用。
This paper briefly introduced the typical connectors and protection coordination of 110kV typical power station.It analyzed the protection characteristics,the protection and circuit breaker actions when faults happened in different locations.It especially discussed the action of overstep tripping as well.It is helpful for the operators to judge and deal with the faults when understanding the analysis and conclusion of protection.
出处
《山东电力技术》
2009年第1期41-43,共3页
Shandong Electric Power
关键词
过电流保护
动作时限
保护特性配合
overcurrent protection
action time limit
the coordination of protection characteristics
