矿山6kV线路保护的配置及方法

The Configuration and the Method of Coal Mine 6 kV Line Protection

本文简述了矿山6k V配电网系统,分析了其常见的故障,简单介绍继电保护的原理,分析了常用的电流保护,包括定时限过电流保护、反时限过电流保护、电流速断保护和零序电流保护等。结合理论给出矿用6k V配电线路继电保护的类型、保护装置整定计算公式,为制定矿山6k V配电线路应配置的保护方案及设计保护装置提供参考。

This paper briefly describes the mine 6 kv power distribution network system, analyzes the common fault, simply introduce the principle of relay protection, analyzes the commonly used current protection, including fixed time limit over current protection, inverse time overcurrent protection, current instantaneous fault protection and zero sequence current protection, etc.Combined with the theory of mine 6 kv distribution line relay protection types, protective device setting calculation formula of 6 kv distribution line to develop mines should configure protection scheme and design of the protection device to provide the reference.