Principle of a New Arc-quenching Lightning Protection Gap and Its Experimental Research

XU Jinming; LIAO Zhibin; XU Miaoqi; XIA Zhengqing; YAN Renbao

doi:10.13296/j.1001-1609.hva.2016.06.025

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Principle of a New Arc-quenching Lightning Protection Gap and Its Experimental Research

更新时间：2025-04-26

- Principle of a New Arc-quenching Lightning Protection Gap and Its Experimental Research
- High VoltageApparatus Vol. 52, Issue 6, Pages: 153-159(2016)
- 作者机构：
  
  1. 国网嘉兴供电公司
  2. 国网宿州供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.06.025
  CLC： TM863
- Published：2016
- 稿件说明：
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[1]许金明,廖志斌,许妙琦,夏正青,闫仁宝.一种新型灭弧防雷装置的原理及试验研究[J].高压电器,2016,52(06):153-159.

XU Jinming, LIAO Zhibin, XU Miaoqi, et al. Principle of a New Arc-quenching Lightning Protection Gap and Its Experimental Research[J]. High voltageapparatus, 2016, 52(6): 153-159.
[1]许金明,廖志斌,许妙琦,夏正青,闫仁宝.一种新型灭弧防雷装置的原理及试验研究[J].高压电器,2016,52(06):153-159. DOI： 10.13296/j.1001-1609.hva.2016.06.025.

XU Jinming, LIAO Zhibin, XU Miaoqi, et al. Principle of a New Arc-quenching Lightning Protection Gap and Its Experimental Research[J]. High voltageapparatus, 2016, 52(6): 153-159. DOI： 10.13296/j.1001-1609.hva.2016.06.025.

摘要

雷电是电力系统安全的杀手之一。因架空输电线路线路长度长、分布广、面积大

所以易遭受雷击

致使输电线路的绝缘性能遭到破坏。传统防雷措施存在很多缺陷、效果不理想

所以文中采用"疏导型"和气吹灭弧理论

研制了可应用于35

00 k V架空输电线的新型灭弧防雷装置。首先研究爆炸灭弧防雷间隙所产生的爆炸冲击波与电弧相互耦合、熄灭的特性

建立电弧与爆炸冲击波相互耦合的模型;其次

利用AUTODYN仿真软件建立冲击波和电弧相互作用耦合的模型

对半封闭空间的电弧受到冲击后的形态、运动、压力、以及破坏的程度进行模拟仿真分析;最后

对新型灭弧装置进行灭弧能力试验

根据普通摄像机、高速摄像机所拍摄的图片和录波器所录的波形可以清晰的显示电弧熄灭的过程。通过建模、软件仿真以及灭弧试验检验了新型灭弧装置的有效性

装置在7 ms左右将电弧熄灭

且电弧不重燃。

Abstract

Lightning is one of the killers of power system security. Because the overhead transmission line is long

wide distribution

large area

so it is vulnerable to lightning strike. Traditional measures of lightning protection have a lot of defects

and the effect is not ideal. So the paper uses the theory of"channel" type lightning protection concept and explosion shock wave of extinguishing arc

a new type of arcing lightning protection device is developed and applied to 35

00 k V overhead transmission lines.Firstly

through the study of explosion shock wave produced by explosion arcing gap lightning protecti

on with mutual coupling

arc extinguishing features

the arc and explosion shock wave of mutual coupling model is set up. Secondly

AUTODYN simulation software is used to establish the interaction between shock wave and arc coupling model of the arc of the space of semi-closed hit after the morphology

exercise

stress

and the damage degree of simulation analysis. Finally

the arc extinguishing is carried out for the device

and images taken by using ordinary camera

high speed camera and wave record waveforms can clearly show the process of arc extinguishing. Through modeling

software simulation and arcing test proves the validity of the new type of arc extinguishing device. Device can extinguish arc in about 7 ms

and the arc is not restriking.

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