煤矿供电系统基于纵联差动保护原理的防越级跳闸技术研究

Research on Avoiding Override Trip Based on Principle of Longitudinal Differential Protection in Mine Power Supply System

针对煤矿供电系统普遍存在的越级跳闸问题,详细分析了目前常规方案在实际应用中存在的局限性,并提出了新的技术对策和实施方案,对煤矿企业解决此类问题具有较强的指导意义。

According to universal skip jumping brake in power network in colliery,particularly limitation of routine method is analysed in practical using, and a new method is given, which is very helpful for solving these problems of coal mine enterprise.