Research on Adjustable Gap Lightning Protection Device for Distribution Network Overhead Lines

LIU Yuan; PENG Li-qiang; WANG Wei-ping; LI Jing-lu

doi:10.13296/j.1001-1609.hva.2011.04.012

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Research on Adjustable Gap Lightning Protection Device for Distribution Network Overhead Lines

更新时间：2025-04-26

- Research on Adjustable Gap Lightning Protection Device for Distribution Network Overhead Lines
- High VoltageApparatus Vol. 47, Issue 4, Pages: 47-51(2011)
- 作者机构：
  
  长沙理工大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.04.012
  CLC： TM862
- Published：2011
- 稿件说明：
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[1]刘源,彭利强,王伟平,李景禄.配电网架空线路并联可调间隙保护装置研究[J].高压电器,2011,47(04):47-51.

LIU Yuan, PENG Li-qiang, WANG Wei-ping, et al. Research on Adjustable Gap Lightning Protection Device for Distribution Network Overhead Lines[J]. High voltageapparatus, 2011, 47(4): 47-51.
[1]刘源,彭利强,王伟平,李景禄.配电网架空线路并联可调间隙保护装置研究[J].高压电器,2011,47(04):47-51. DOI： 10.13296/j.1001-1609.hva.2011.04.012.

LIU Yuan, PENG Li-qiang, WANG Wei-ping, et al. Research on Adjustable Gap Lightning Protection Device for Distribution Network Overhead Lines[J]. High voltageapparatus, 2011, 47(4): 47-51. DOI： 10.13296/j.1001-1609.hva.2011.04.012.

摘要

针对河南某地区10

5 kV配电网架空线路中频繁出现绝缘子闪络、炸裂以及雷击断线问题进行分析

提出了加装间隙可调的并联间隙防雷装置的解决方案

对其工作原理及可根据现场实际运行状况调整保护间隙长度的特点进行了分析。通过大量雷电冲击试验并对其伏秒特性进行分析

所得结果表明

该装置可有效保护线路绝缘子（串）免受雷击而发生闪络并可有效降低线路雷击断线事故发生概率

对其具有良好的保护效果。

Abstract

This paper put forward a way that use a kind of adjustable gap lightning protection device to minimize bad effects of the flashover and explosion of insulator and the breakage of insulated conductor caused by lightning in the 10

5 kV distribution network overhead lines

and analyzed the operation principle of the protection device and its characteristics.A mass of lightning impulse test and volt-second characteristics has performed with this device

and the results showed that the adjustable gap lightning protection device can effectively avoid flashover damages to the insulator（s） when lightning stroke the overhead lines and reduce the probability of the breakage of insulated conductor caused by lightning stroke effectively.

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