树木对10 kV配电线路防雷性能的影响

doi:10.11930/j.issn.1004-9649.2014.6.31.6

中国电力 ›› 2014, Vol. 47 ›› Issue (6): 31-37.DOI: 10.11930/j.issn.1004-9649.2014.6.31.6

树木对10 kV配电线路防雷性能的影响

吴泳聪¹, 陈远东², 罗汉武², 孙鑫², 陈淑波², 黄道春¹, 阮江军¹, 刘欢¹

1. 武汉大学电气工程学院,湖北武汉 430072;
2. 内蒙古东部电力有限公司,内蒙古呼和浩特 010020

修回日期:2014-01-22 出版日期:2014-06-18 发布日期:2015-12-08
作者简介:吴泳聪（1991—）,男,广东佛山人,硕士研究生,从事防雷与接地方面研究。E-mail: 362121393@qq.com

Study on the Impact of Trees on the Lightning Performance of 10 kV Distribution Lines

WU Yong-cong¹, CHEN Yuan-dong², LUO Han-wu², SUN Xin², CHEN Shu-bo², HUANG Dao-chun¹,RUAN Jiang-jun¹, LIU Huan¹

1. School of Electrical Engineering, Wuhan University, Wuhan 430072, China;
2. East Inner Mongolia Electric Power Company Ltd., Hohhot 010020, China

Revised:2014-01-22 Online:2014-06-18 Published:2015-12-08
About author:This work is supported by Scientific Research Fund of East Inner Mongolia Electric Power Company Limited (XAKJ-20120102)
Supported by:
内蒙古东部电力有限公司科技资助项目（XAKJ-20120102）

摘要/Abstract

摘要： 10 kV配电线路所处的复杂地理环境、线路高度,树木等会对雷击位置、雷击过电压产生影响。运用产生雷击距里这个概念建立了雷击位置判断模型及过电压计算模型,仿真分析树木对线路防雷性能的影响。仿真结果表明：对于10 kV配电线路,位于特定位置并具有一定高度的树木能降低线路遭受直击和反击的次数,但会增加感应过电压给线路带来的威胁;树木对于10 kV配电线路防雷性能的综合影响随着树木位置及高度的改变而不同,合理管理树木才能达到保护线路的目的。

关键词: 10 kV配电线路, 树木, 防雷性能, 击距

Abstract: The geographical surroundings, line's height and trees along the 10 kV transmission lines have significant impacts on the position and overvoltage of lightning stroke. The lightning position judgment model and overvoltage calculation model are developed based on the concept of striking distance, and used to simulate and evaluate the impact of the trees on the lightning performance of 10 kV distribution line. The result shows that trees with certain height and in a particular location can reduce the times of direct and counter lightning strokes on 10 kV distribution lines, but may increase the risk of lightning induced overvoltage. The impacts of trees on the lightning performance of 10 kV distribution lines vary with their position and height, and it is therefore very important to have a rational management of trees to improve the performance of lightning protection. The study result can provide a reference for lightning protection and vegetation management of 10 kV distribution lines.

Key words: 10 kV distribution line, trees, lightning performance, stroking distance

中图分类号:

TM726.1

吴泳聪, 陈远东, 罗汉武, 孙鑫, 陈淑波, 黄道春, 阮江军, 刘欢. 树木对10 kV配电线路防雷性能的影响[J]. 中国电力, 2014, 47(6): 31-37.

WU Yong-cong, CHEN Yuan-dong, LUO Han-wu, SUN Xin, CHEN Shu-bo, HUANG Dao-chun,RUAN Jiang-jun, LIU Huan. Study on the Impact of Trees on the Lightning Performance of 10 kV Distribution Lines[J]. Electric Power, 2014, 47(6): 31-37.

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https://www.electricpower.com.cn/CN/Y2014/V47/I6/31

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树木对10 kV配电线路防雷性能的影响

Study on the Impact of Trees on the Lightning Performance of 10 kV Distribution Lines

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树木对10 kV配电线路防雷性能的影响

Study on the Impact of Trees on the Lightning Performance of 10 kV Distribution Lines

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