Investigation on Characteristics of Arc Extinguishing Time of a New Lightning Protection Gap for Transmission Lines

WU Yanlong; SHAO Libin; ZHANG Wenjing; WANG Zhenfeng; FAN Bei; LI Xia; ZHU Jiadi; LYU Kunlu

doi:10.13296/j.1001-1609.hva.2016.03.013

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Investigation on Characteristics of Arc Extinguishing Time of a New Lightning Protection Gap for Transmission Lines

更新时间：2025-04-26

- Investigation on Characteristics of Arc Extinguishing Time of a New Lightning Protection Gap for Transmission Lines
- High VoltageApparatus Vol. 52, Issue 3, Pages: 81-87(2016)
- 作者机构：
  
  国网宁夏电力公司宁东供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.03.013
  CLC： TM863
- Published：2016
- 稿件说明：
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[1]吴焰龙,邵李斌,张文静,王振锋,范蓓,李霞,朱嘉迪,吕琨璐.输电线路新型防雷间隙灭弧时间特性的研究[J].高压电器,2016,52(03):81-87.

WU Yanlong, SHAO Libin, ZHANG Wenjing, et al. Investigation on Characteristics of Arc Extinguishing Time of a New Lightning Protection Gap for Transmission Lines[J]. High voltageapparatus, 2016, 52(3): 81-87.
[1]吴焰龙,邵李斌,张文静,王振锋,范蓓,李霞,朱嘉迪,吕琨璐.输电线路新型防雷间隙灭弧时间特性的研究[J].高压电器,2016,52(03):81-87. DOI： 10.13296/j.1001-1609.hva.2016.03.013.

WU Yanlong, SHAO Libin, ZHANG Wenjing, et al. Investigation on Characteristics of Arc Extinguishing Time of a New Lightning Protection Gap for Transmission Lines[J]. High voltageapparatus, 2016, 52(3): 81-87. DOI： 10.13296/j.1001-1609.hva.2016.03.013.

摘要

为降低架空输电线路雷击跳闸率和事故率

研制出一种区别于传统防雷设备的新型灭弧防雷间隙。当线路遭受雷击时

雷电冲击电流击穿间隙瞬间

该装置能够迅速动作

喷射出大量电负性气体

切断间隙两端电弧

避免绝缘子因电弧灼烧损坏。要达到避免断路器不因线路遭受雷击而跳闸的目的

防雷间隙的灭弧时间必须小于继电保护装置动作时间。文中通过大量试验研究

着重深入探讨该装置的灭弧时间特性。

Abstract

To reduce lightning trip-out rate and accident rate of overhead transmission lines

a new kind of arc extinguishing lightning protection gap（AELPG）

which is different from traditional lightning protection equipments

is developed. At the moment when a transmission line is struck by lightning and the lightning surge is going to break down the gap

AELPG can soon jet out sufficient electronegative gas flow to quickly cut off the arc and effectively prevent the insulator from being damaged by the arc. To attain the goal of preventing the breaker from trip-out due to lightning strike

the arc extinguishing time of AELPG must be less than reaction time of relay protection devices. A large number of tests are conducted to investigate the arc extinguishing time characteristics of AELPG.

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