Fault Analysis Method of Circuit Breaker Opening Immediately After Closing Based on Image Feature Point Tracking

SHA Haoyuan; LIU Pei; WANG Zhihe; GUO Tao; WANG Shugang; XU Jiangang; XIE Tianxi; SUN Yi; ZHU Chao; DENG Kai

doi:10.13296/j.1001-1609.hva.2026.02.004

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Fault Analysis Method of Circuit Breaker Opening Immediately After Closing Based on Image Feature Point Tracking

Research & Analysis | 更新时间：2026-03-16

- Fault Analysis Method of Circuit Breaker Opening Immediately After Closing Based on Image Feature Point Tracking
- High Voltage Apparatus Vol. 62, Issue 2, Pages: 25-32(2026)
- 作者机构：
  
  国网江苏省电力有限公司超高压分公司，南京 211102
  国网江苏省电力有限公司，南京 211100
  国网江苏省电力有限公司电力科学研究院，南京 211103
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.02.004
  CLC：
- Received：21 July 2025，
  
  Revised：2025-10-11，
  
  Published：16 February 2026
- 稿件说明：
移动端阅览
SHA Haoyuan, LIU Pei, WANG Zhihe, et al. Fault Analysis Method of Circuit Breaker Opening Immediately After Closing Based on Image Feature Point Tracking[J]. High Voltage Apparatus, 2026, 62(2): 25-32.
DOI：

SHA Haoyuan, LIU Pei, WANG Zhihe, et al. Fault Analysis Method of Circuit Breaker Opening Immediately After Closing Based on Image Feature Point Tracking[J]. High Voltage Apparatus, 2026, 62(2): 25-32. DOI： 10.13296/j.1001-1609.hva.2026.02.004.

摘要

针对断路器弹簧机构常见的合后即分故障，文中提出了一种基于图像特征点跟踪的断路器合后即分故障分析方法。首先通过对弹簧机构传动过程的分析，确定了合后即分故障的主要分析方向。然后，基于高速摄影机数据采集平台完整记录了合闸、分闸瞬间，弹簧机构中四级分闸杠杆的传动过程，提出了基于图像特征点跟踪的弹跳幅度分析方法，通过特征点准确跟踪了四级分闸杠杆的运动轨迹，并引入了偏转角度参数准确量化了四级分闸杠杆的弹跳幅度。最后，通过对偏转角度波形的分析，判断出了导致断路器合后即分故障发生的主要原因。文中的实验验证部分对故障的分析结论进行了充分的论证，此次故障分析的经验可为后续合后即分故障的研究与处理提供有益借鉴。

Abstract

As for such common fault as opening immediately after closing of spring operating mechanism for circuit breaker

in this paper an opening immediately after closing of circuit breaker based on the image feature point tracking is proposed. Firstly

the main analysis direction of the fault of opening immediately after closing is determined through the analysis of the transmission process of the spring operating mechanism. Then

based on the high-speed camera data acquisition platform

the complete process of the closing and opening moments

as well as the transmission of the four-stage opening levers in the spring operating mechanism

are recorded

and the bounce amplitude analysis method based on image feature point tracking is proposed. The movement track of the four-stage opening lever is accurately tracked through the feature point

and the deflection angle parameter is introduced to accurately quantify the bounce amplitude of the four-stage opening lever. Finally

through the analysis of the deflection angle waveform

the main cause of the opening immediately after closing of the circuit breaker is determined. The analysis conclusion of the fault is fully demonstrated by the experimental verification part of the paper

and the experience of this fault analysis can provide useful reference for the research and treatment of the subsequent opening immediately after closing.

关键词

Keywords

references

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