矿井电网的单相接地过电压及其危害分析

Analysis of Single-phase Grounding Over-voltage of Power Network in Mine and Its Harm

结合矿井生产及其供电系统的特殊性 ,对矿井电网单相接地时可能发生的各种过电压进行了专门的分析 ,并对其产生的危害性进行了讨论 ,以便采取预防和保护措施 。

Combining particularity of production and its power system in mine, all kinds of single phase grounding over voltage were analyzed specially, and their harmfulness was discussed, so that the precautionary measures and the protective measures were taken, and safety in operation of mine power system was ensured.