工厂高压线路继电保护中使用电流互感器的同名端极性问题

Polar Problem of Like Terminal for a Current Trasformer in HV Circuit Relay Protection of a Factory

介绍了工厂供电系统继电保护中使用的电流互感器的极性错误导致的故障情况 ,详细分析了故障原因 。

The failures caused by polarity error in the current transformer of relay protection of a factory power system are introduced,analyzes fault cause in detail and presents common methods to measure polarity of like terminal.