浅谈阶段式电流保护在矿井高压供电中的应用

Talking about the Application of Stepped Current Protection in Mine High-voltage Power-supply

介绍了电力系统继电保护的基本要求,对不同类型的阶段式电流保护进行了比较,指出了选用阶段式电流能够满足电力系统继电保护的基本要求。

This paper expounds the basic requirements of relay protection in power system,compares the different types of stepped current protection,and points out that selecting stepped current protection can meet the needs of relay protection of power system.