万用表电压测量法查找直流接地故障

Finding the Direct- current Earth Fault by Measuring Voltage with Multimeter

直流电源是发电站的主要设备,一旦直流系统发生接地故障,将会严重地危及到发电站的安全和经济运行。因此,本文介绍一种简单易行,能快速找出直流接地点的方法—万用表电压测量法。

The direct- current power source is one kind of main equipment in water power station.In this paper,a method finding the direct- current earth fault by measuring voltage with the multimeter is introduced,which is simple and easy to practise.