State Evaluation of Arc Contact of Porcelain Column Circuit Breaker Based on Radiated Electromagnetic Wave Signal

MA Hongming; SHENG Long; WANG Wei; QIU Pengfeng; MA Yi; QIAN Guochao; GONG Zeweiyi

doi:10.13296/j.1001-1609.hva.2020.10.022

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State Evaluation of Arc Contact of Porcelain Column Circuit Breaker Based on Radiated Electromagnetic Wave Signal

更新时间：2025-04-26

- State Evaluation of Arc Contact of Porcelain Column Circuit Breaker Based on Radiated Electromagnetic Wave Signal
- High VoltageApparatus Vol. 56, Issue 10, Pages: 135-140(2020)
- 作者机构：
  
  1. 云南电网有限责任公司电力科学研究院
  2. 华北电力大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.10.022
  CLC： TM561
- Published：2020
- 稿件说明：
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[1]马宏明,沈龙,王伟,邱鹏峰,马仪,钱国超,龚泽威一.基于辐射电磁波信号的瓷柱式断路器弧触头状态评估[J].高压电器,2020,56(10):135-140.

MA Hongming, SHENG Long, WANG Wei, et al. State Evaluation of Arc Contact of Porcelain Column Circuit Breaker Based on Radiated Electromagnetic Wave Signal[J]. High voltageapparatus, 2020, 56(10): 135-140.
[1]马宏明,沈龙,王伟,邱鹏峰,马仪,钱国超,龚泽威一.基于辐射电磁波信号的瓷柱式断路器弧触头状态评估[J].高压电器,2020,56(10):135-140. DOI： 10.13296/j.1001-1609.hva.2020.10.022.

MA Hongming, SHENG Long, WANG Wei, et al. State Evaluation of Arc Contact of Porcelain Column Circuit Breaker Based on Radiated Electromagnetic Wave Signal[J]. High voltageapparatus, 2020, 56(10): 135-140. DOI： 10.13296/j.1001-1609.hva.2020.10.022.

摘要

针对当前瓷柱式断路器弧触头状态评估方法的不足

提出了一种基于瓷柱式断路器带电分闸过程中辐射的电磁波信号来评估其弧触头状态的方法。介绍了方法的基本原理和检测装置

搭建了实验室模拟研究平台

研究了弧触头在不同烧蚀程度下断路器分闸过程中辐射电磁波信号的特征

并在现场对变电站35 kV瓷柱式断路器进行检测及解体对比。研究结果表明:烧蚀程度对分闸过程辐射电磁波信号有影响

烧蚀严重触头在分闸过程中辐射信号数量、峰值以及持续时间均大于轻微烧蚀触头辐射信号。利用断路器分闸过程中的辐射电磁波信号可以实现弧触头的带电评估

提前预判弧触头状态。

Abstract

Aiming at the shortcomings of the existing method for evaluating the state of the arc contact of the porcelain column circuit breaker

a method based on the electromagnetic wave signal generated during the charging and closing process of the porcelain column circuit breaker is proposed to evaluate the state of the arc contact. The basic principle and testing device of the method are introduced. The laboratory simulation research platform is built. The characteristics of the radiated electromagnetic wave signal during the opening of the circuit breaker under different ablation degrees are studied

and the detection and disasse mbly comparison has been carry on the substation 35 kV porcelain column circuit breakeris on site. The results show that the degree of ablation influences the radiated electromagnetic wave signal during the opening process. The number

peak value and duration of the radiated signal during the ablation process are larger than those of the slightly ablated contact. The use of the radiated electromagnetic wave signal in the process of circuit breaker opening can realize the electrification evaluation of the arc contact and predict the state of the arc contact in advance. This method has obvious advantages and has the value of promotion.

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