小电流接地系统的选线保护原理

Choosing Line Protection Principle of Small Current Ground System

近年来,小电流接地选线保护装置在煤矿生产中得到了广泛应用。文章对几种常见的小电流接地选线保护原理进行分析和介绍,在今后的选型和使用中能够有所帮助。

In recent years,the small electric current connects the ground chooses the line protection equips also got the extensive application in coal mine produce.This text connects to a few and familiar and small electric current a ground of choose the line protection principle proceed the analysis with introduce,making us can have the help in from now on of chose type with usage.