Simulation and Application of the Gas-blowing Arc Extinction Gap for Lightning Protection

TAN She-ping1; QIN Yi-fan2; MO Xiao-xiang2

doi:10.13296/j.1001-1609.hva.2012.06.019

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Simulation and Application of the Gas-blowing Arc Extinction Gap for Lightning Protection

更新时间：2025-04-26

- Simulation and Application of the Gas-blowing Arc Extinction Gap for Lightning Protection
- High VoltageApparatus Vol. 48, Issue 6, Pages: 89-93(2012)
- 作者机构：
  
  1. 广西水利电力职业技术学院
  2. 广西电网公司河池供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.06.019
  CLC： TM862;TM726.3
- Published：2012
- 稿件说明：
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[1]谭社平,覃毅藩,莫小向.新型灭弧防雷间隙的研究与应用分析[J].高压电器,2012,48(06):89-93.

TAN She-ping1, QIN Yi-fan2, MO Xiao-xiang2. Simulation and Application of the Gas-blowing Arc Extinction Gap for Lightning Protection[J]. High voltageapparatus, 2012, 48(6): 89-93.
[1]谭社平,覃毅藩,莫小向.新型灭弧防雷间隙的研究与应用分析[J].高压电器,2012,48(06):89-93. DOI： 10.13296/j.1001-1609.hva.2012.06.019.

TAN She-ping1, QIN Yi-fan2, MO Xiao-xiang2. Simulation and Application of the Gas-blowing Arc Extinction Gap for Lightning Protection[J]. High voltageapparatus, 2012, 48(6): 89-93. DOI： 10.13296/j.1001-1609.hva.2012.06.019.

摘要

针对配电网架空输电线路的雷击事故

防雷专家参照并联间隙防雷保护原理的"疏导型"思想

研制了气吹灭弧防雷间隙。该间隙在输电线路遭受雷击或绝缘子串工频闪络时

防止绝缘子串遭受工频续流电弧的灼烧;同时能够在电弧击穿间隙后

快速切断工频续流。笔者使用Mayr电弧模型模拟仿真气吹灭弧

结果表明

高速气体对间隙电弧的快速熄灭有明显效果。同时

通过安装气吹灭弧防雷间隙在雷击跳闸率高的输电线路上运行

获取运行数据

进行对比得出安装气吹灭弧防雷间隙后

雷击跳闸率能够大幅度下降。

Abstract

The new gas-blowing arc extinction gap technology can prevent insulator chain from burn by the arc due to power frequency follow current when overhead transmission line is struck by lightning or flashover takes place on the insulator chain

and the gap can cut off the follow current fast after it is broken down.In this paper

the Mayr arc model is employed to simulate the gas-blowing arc extinction

and the results show that the high-speed gas flow facilitates arc extinction significantly.In addition

the gas-blowing arc extinction gaps are installed on the transmission lines with high rate of trip induced by lightning

and the obtained operation data indicate that the rate of trip due to lightning is clearly reduced.

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