城市配网中性点接地方式的选择

The Selection of Neutral Point Grounding Mode for Urban Distribution Network

文中比较了城区配电网中性点不同接地方式的优缺点,指出对电缆为主的城区配网,中性点应优先采用经电阻接地的方式。同时提出了中性点接地电阻选择时应注意的若干事项。

This paper compares the advantages and disadvantages of different mode of urban distribution network neutral point grounding and points out that as the most part of urban distribution network is of cable, via resistance grounding mode gets priority. Some matters which should be paid attention to while selecting the neutral grounding resistance are proposed as well.