变电所直流系统接地的危害及接地点的查找方法

The Seeking Method of the DC System Eearthing Harm and Eearthing Point of the Substation

对变电所直流系统接地的危害及运行中发生一点接地的各种可能性进行了分析,并结合现场实践经验,提出直流系统接地故障的查找方法和步骤。

The paper analyzes various prohahilities for DC system earthing harm and earthing points in operation of the substation. Combining with field experience, it proposes seeking methods and measures of the DC system earthing fault.