Mechanical Fault Diagnosis of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters

ZHANG Yong-kui; ZHAO Zhi-zhong; FENG Xu; GUO Xue

doi:10.13296/j.1001-1609.hva.2013.02.012

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Mechanical Fault Diagnosis of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters

更新时间：2025-04-26

- Mechanical Fault Diagnosis of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters
- High VoltageApparatus Vol. 49, Issue 2, Pages: 37-42(2013)
- 作者机构：
  
  河北工业大学电磁场与电器可靠性省部共建重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.02.012
  CLC： TM561
- Published：2013
- 稿件说明：
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[1]张永奎,赵智忠,冯旭,郭雪.基于分合闸线圈电流信号的高压断路器机械故障诊断[J].高压电器,2013,49(02):37-42.

ZHANG Yong-kui, ZHAO Zhi-zhong, FENG Xu, et al. Mechanical Fault Diagnosis of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters[J]. High voltageapparatus, 2013, 49(2): 37-42.
[1]张永奎,赵智忠,冯旭,郭雪.基于分合闸线圈电流信号的高压断路器机械故障诊断[J].高压电器,2013,49(02):37-42. DOI： 10.13296/j.1001-1609.hva.2013.02.012.

ZHANG Yong-kui, ZHAO Zhi-zhong, FENG Xu, et al. Mechanical Fault Diagnosis of High Voltage Circuit Breakers Based on Opening/Closing Coil Current Parameters[J]. High voltageapparatus, 2013, 49(2): 37-42. DOI： 10.13296/j.1001-1609.hva.2013.02.012.

摘要

高压断路器作为常用的电气设备

其中分合闸线圈是其操动机构的关键部件。文中阐述了根据监测断路器分合闸线圈电流信号来判断其故障的一种新方法

首先介绍了磁通随电磁铁的气隙变化而变化的监测原理

然后进行了以DSP为核心的硬件电路的设计

最后利用小波分析法和动态时间规整法相结合的方法对信号作了具体的分析

从而能够准确的得出断路器的状态信息。根据状态信息可以及时发现断路器运行过程中存在的隐患

然后进行必要的检修。

Abstract

High voltage circuit breaker as the commonly used electrical equipment

and the opening/closing coil is the key component of its operating device.This paper described a new method to judge the circuit breaker fault based on monitoring its opening/closing coil current.First

the monitoring principles of magnetic flux changes as the electromagnet’s air gap changes was presented

then the hardware circuit was designed based on DSP

finally a detailed analysis of the signal was made by using the combination of the two algorithms of wavelet analysis and then the circuit breaker status information was obtained accurately.According to the status information

timely find the hidden danger in circuit breaker operation process.

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