10/0.4kV变电站系统接地与保护接地的探讨

Research on the System Grounding and Protective Grounding in 10/0.4 kV Substation

分析10/0.4kV变电站单相接地故障引发的危害,指出单相接地故障容易造成设备绝缘损坏与电击事故的发生,介绍减小10/0.4kV变电站单相接地故障所引发危害的几点措施。

The hazards of single-phase grounding fault in the 10/0. 4 kV substation are analyzed; and the consequences that single-phase grounding fault is easy to cause insulation damage of the equipments electric shock accident are pointed out. A few measures to reduce the hazards caused by single-phase grounding fault occurred in the 10/0. 4 kV substation are introduced.