Neutral Point Grounding Patterns in LV / MV Distribution System

Rong Hao（Central-South Architectural Design Institute Co.， Ltd.，Wuhan 430071，China）

 

    Abstract The usual grounding patterns of MV power grid is introduced，the influences of the grounding patterns of MV power grid on the grounding of LV distribution system are analyzed，and the grounding modes commonly used in TN system substation are compared.

    Key words　Neutral point Grounding pattern10 kV power grid    Low ?鄄 voltage distribution system

Substation TN system

 

    摘　要　介绍中压电网常用接地方式，分析中压电网接地方式对低压配电系统接地的影响，并就TN系统变电所常见接地做法进行比较。

    关键词　中性点 接地方式 10 kV电网 低压配电系统 变电所 TN系统