Simulation Research on On-line Suppression Method of Secondary Arc Based on the Instantaneous Power Injection Related to Half-wavelength Power Transmission Lines

CONG Haoxi; LI Qingmin

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Simulation Research on On-line Suppression Method of Secondary Arc Based on the Instantaneous Power Injection Related to Half-wavelength Power Transmission Lines

更新时间：2025-12-08

- Simulation Research on On-line Suppression Method of Secondary Arc Based on the Instantaneous Power Injection Related to Half-wavelength Power Transmission Lines
- Vol. 44, Issue 1, Pages: 59-64(2018)
- 作者机构：
  
  华北电力大学电气与电子工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 January 2018，
  
  Published：2018
- 稿件说明：
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CONG Haoxi, LI Qingmin. Simulation Research on On-line Suppression Method of Secondary Arc Based on the Instantaneous Power Injection Related to Half-wavelength Power Transmission Lines[J]. 2018, 44(1): 59-64.
DOI：

CONG Haoxi, LI Qingmin. Simulation Research on On-line Suppression Method of Secondary Arc Based on the Instantaneous Power Injection Related to Half-wavelength Power Transmission Lines[J]. 2018, 44(1): 59-64. DOI：

摘要

半波长输电线路潜供电弧问题非常突出

如该电弧不能及时熄灭

可能引发单相自动重合闸失败

针对此问题

基于半波长输电线路结构的特殊性

提出了一种注入功率在线补偿的潜供电弧抑制方法

建立了半波长线路和注入功率的电路仿真模型来研究该方法的有效性。结果表明

基于注入功率补偿的潜供电弧抑制方法可以有效地减小半波长线路沿线潜供电流和恢复电压的幅值

从而有效缩短潜供电弧的燃弧时间

提高半波长输电线路中单相自动重合闸的成功率。该抑制技术实用化尚待进一步研究。

Abstract

The secondary arc problem of the half-wavelength transmission lines is very serious.If the secondary arc is not promptly extinguished

it would lead to the failure of the single-phase auto-reclosing.Considering the particularity of the half-wavelength transmission line structure

we proposed an on-line suppression method of secondary arc based on the instantaneous power injection.With the establishment of the half-wavelength transmission line model and the secondary arc model

the method was analyzed and studied.Results show that the proposed arc arc suppression method can effectively reduce the amplitude of secondary current and recovery voltage along the transmission lines

so as to speed up the arc extinction

improving the success rate of the single-phase auto-reclosing.The suppression technique can be used as an effective control measure for the secondary arc of the half-wavelength transmission line

but its practical application technology still needs to be further studied.

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