Mechanical Defect Diagnosis and Testing Method of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters

LI Dawei; XU Dangguo; SUN Yunsheng; CUI Heping

doi:10.13296/j.1001-1609.hva.2015.08.019

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Mechanical Defect Diagnosis and Testing Method of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters

更新时间：2025-04-26

- Mechanical Defect Diagnosis and Testing Method of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters
- High VoltageApparatus Vol. 51, Issue 8, Pages: 114-118(2015)
- 作者机构：
  
  1. 华北电力科学研究院有限责任公司
  2. 国网冀北电力有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.08.019
  CLC： TM561
- Published：2015
- 稿件说明：
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[1]李大卫,徐党国,孙云生,崔贺平.基于分合闸线圈电流的断路器缺陷诊断及试验方法研究[J].高压电器,2015,51(08):114-118.

LI Dawei, XU Dangguo, SUN Yunsheng, et al. Mechanical Defect Diagnosis and Testing Method of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters[J]. High voltageapparatus, 2015, 51(8): 114-118.
[1]李大卫,徐党国,孙云生,崔贺平.基于分合闸线圈电流的断路器缺陷诊断及试验方法研究[J].高压电器,2015,51(08):114-118. DOI： 10.13296/j.1001-1609.hva.2015.08.019.

LI Dawei, XU Dangguo, SUN Yunsheng, et al. Mechanical Defect Diagnosis and Testing Method of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters[J]. High voltageapparatus, 2015, 51(8): 114-118. DOI： 10.13296/j.1001-1609.hva.2015.08.019.

摘要

分合闸线圈是断路器操作机构的关键部件。笔者通过深入研究断路器分/合闸线圈电流波形与机械缺陷之间的关系

提取线圈电流波形中的关键特征量

建立其与断路器常见典型机械缺陷的诊断判据

并通过实验室断路器缺陷模拟试验平台进行验证。基于研究结果

提出在国内开展断路器"首次分/合闸"时线圈电流检测试验的具体实施方案并进行风险评估

通过试验提前发现断路器机械方面存在的缺陷

有效指导国内电网断路器设备状态检测策略。

Abstract

The opening/closing coil is a key component of high voltage circuit breaker’s operating mechanism. The authors analyze the relationship between the current waveform of breaker opening/closing coil and the mechanical defects

extract the key characteristics of the coil current waveform

and hence establish a diagnosis criterion for typical mechanical defects of circuit breaker. This diagnosis method is verified on a simulation test platform in laboratory. Further

the coil current test method of circuit breaker for"first opening/closing operation"is put forward.

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