Mechanism of Improving the Lighting Protection Performance of Back-flashover Due to Inductive Lightning Rod

HAN Yongxia; ZHANG Jie; RUAN Yaoxuan; TANG Li; DAI Dong; LI Licheng

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Mechanism of Improving the Lighting Protection Performance of Back-flashover Due to Inductive Lightning Rod

更新时间：2025-12-08

- Mechanism of Improving the Lighting Protection Performance of Back-flashover Due to Inductive Lightning Rod
- Vol. 42, Issue 11, Pages: 3456-3463(2016)
- 作者机构：
  
  1. 华南理工大学电力学院
  2. 南方电网科学研究院有限责任公司直流输电技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：20 November 2016，
  
  Published：2016
- 稿件说明：
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HAN Yongxia, ZHANG Jie, RUAN Yaoxuan, et al. Mechanism of Improving the Lighting Protection Performance of Back-flashover Due to Inductive Lightning Rod[J]. 2016, 42(11): 3456-3463.
DOI：

HAN Yongxia, ZHANG Jie, RUAN Yaoxuan, et al. Mechanism of Improving the Lighting Protection Performance of Back-flashover Due to Inductive Lightning Rod[J]. 2016, 42(11): 3456-3463. DOI：

摘要

新的防雷机理及防雷措施一直是国内外研究的热点和难点

因此针对电感型避雷针探索其防雷机理并评价其防雷效果。首先

基于有限元分析建立电感型避雷针的链式等效电路模型

探索模型中各参数的影响因素。其次

基于PSCAD/EMTDC电磁暂态程序建立了输电线路耐雷性能仿真模型

仿真对比了塔顶是否安装及安装电感型避雷针参数不同时对反击耐雷水平的影响

获得了模型参数对反击耐雷水平影响的三维曲面图及等高线图。仿真表明:L0越大线路反击耐雷水平越高

某L

下C

存在最优值使得反击耐雷水平最高（可提高40%）。此外

链式等效电路幅频响应分析和电磁暂态分析结果与上述结论一致。最后

结合实际问题开展了样品设计的研究

并提出其材料特性要求。

Abstract

The research of new mechanism and new measures of lightning protection have always been hot and difficult at home and abroad. Consequently

analyzing inductive lightning rods

we investigated the mechanism and evaluated its lightning protection effect. First of all

based on the finite element analysis

the chain equivalent circuit model of inductive lightning rod was established and the influencing factors on its parameters were studied. Secondly

based on the electromagnetic transient program PSCAD/EMTDC

the lightning protection simulation model of transmission line was established. The effect of the installation of inductive lightning rod and different parameters on the back flashover level was studied and reflected through the 3-D surface chart and the contour map. The simulation results show that the back flashover le

vel increases with the increase of L

. And in the case of a fixed L

there is an optimal value of C

that makes the highest level of back flashover（increased 40%）. Furthermore

the study results of the amplitude-frequency response analysis and the electromagnetic transient analysis of the chain equivalent circuit are consistent with the above results. Finally

combined the practical experiences

the sample is designed

and the characteristics of the material are put forward.

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