Analysis and prevention of the lightning trip on 110kV Baoqingyang line

YIN Jian-guo1; JIANG Zheng-long2; WANG Cheng2; WANG Xin-xiu2; YE Hui-sheng2

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Analysis and prevention of the lightning trip on 110kV Baoqingyang line

更新时间：2025-11-18

- Analysis and prevention of the lightning trip on 110kV Baoqingyang line
- Vol. 28, Issue 6, Pages: 26-30(2008)
- 作者机构：
  
  1. 湖南省电力公司邵阳电业局
  2. 湖南省电力公司试验研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2008
- 稿件说明：
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[1]尹建国,蒋正龙,王成,汪新秀,叶会生.110kV宝青洋线路雷击跳闸及防雷措施[J].湖南电力,2008,28(06):26-30.

YIN Jian-guo1, JIANG Zheng-long2, WANG Cheng2, et al. Analysis and prevention of the lightning trip on 110kV Baoqingyang line[J]. 2008, 28(6): 26-30.
[1]尹建国,蒋正龙,王成,汪新秀,叶会生.110kV宝青洋线路雷击跳闸及防雷措施[J].湖南电力,2008,28(06):26-30. DOI：

YIN Jian-guo1, JIANG Zheng-long2, WANG Cheng2, et al. Analysis and prevention of the lightning trip on 110kV Baoqingyang line[J]. 2008, 28(6): 26-30. DOI：

摘要

对湖南邵阳电业局宝青洋线路雷击跳闸率进行了计算

并结合现场调查分析认为雷击跳闸率高的原因主要受到地形、塔型、雷电流释放通道及绝缘配置的影响

在此基础上对杆塔接地网和雷电流泄放通道进行了改造

在易遭雷击的杆塔塔顶安装多根发散状的短避雷针等措施来减少雷击闪络的概率

防雷改造后到目前4年多未发生雷击跳闸。

Abstract

According to calculating the lightning trip rate of 110kV Baoqingyang line and practical investigation

it is considered that the terrain

the tower

the thunder electric current release channel and the external insulation disposition were responsible for the high lightning trip rate.The tower grounding grid and thunder electric current release channel were then modified.Multiple short-root divergence lightning rods were installed on the top of towers easily suffered from lightning to reduce the probability of flashover.After lightning prevention modification

the transmission line has had no lightning trip for four years.

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ZHOU Wei-hua1

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Hunan Electric Power Test and Research Institute

High Voltage Lab,Chongqing University

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