Fault Analysis of Circuit Breaker in a Converter Station Based on Switching Coil Currents

LI Jinbin; QUAN Jiangtao; CHEN Jun; DENG Wanting

doi:10.13296/j.1001-1609.hva.2015.02.024

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Fault Analysis of Circuit Breaker in a Converter Station Based on Switching Coil Currents

更新时间：2025-04-26

- Fault Analysis of Circuit Breaker in a Converter Station Based on Switching Coil Currents
- High VoltageApparatus Vol. 51, Issue 2, Pages: 141-145(2015)
- 作者机构：
  
  1. 国网湖北省电力公司电力科学研究院
  2. 2. 国家电网公司电气设备现场试验技术重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.02.024
  CLC： TM561
- Published：2015
- 稿件说明：
移动端阅览
[1]李劲彬,全江涛,陈隽,邓万婷.基于分合闸线圈电流的某换流站开关故障分析[J].高压电器,2015,51(02):141-145.

LI Jinbin, QUAN Jiangtao, CHEN Jun, et al. Fault Analysis of Circuit Breaker in a Converter Station Based on Switching Coil Currents[J]. High voltageapparatus, 2015, 51(2): 141-145.
[1]李劲彬,全江涛,陈隽,邓万婷.基于分合闸线圈电流的某换流站开关故障分析[J].高压电器,2015,51(02):141-145. DOI： 10.13296/j.1001-1609.hva.2015.02.024.

LI Jinbin, QUAN Jiangtao, CHEN Jun, et al. Fault Analysis of Circuit Breaker in a Converter Station Based on Switching Coil Currents[J]. High voltageapparatus, 2015, 51(2): 141-145. DOI： 10.13296/j.1001-1609.hva.2015.02.024.

摘要

高压断路器作为常用的电气设备

分合闸线圈是其操动机构的关键部件

线圈电流反映了断路器的运动特性。文中首先介绍了分合闸线圈的结构

阐述了利用检测分合闸线圈电流信号来判断断路器故障的一种新方法

并针对某换流站550 kV断路器的机械故障进行了具体的应用分析

准确诊断了断路器的故障原因。根据分合闸线圈电流提供的状态信息

可以发现高压断路器存在的相关隐患

诊断出断路器的设备状态

提高断路器的状态检测水平

保障电网的安全稳定运行。

Abstract

Switching coil is the key component of operating mechanism of a high voltage circuit breaker

and its coil current reflects the motion characteristic of the circuit breaker. In this paper

the structure of the switching coil is introduced

and a method for judging circuit breaker fault is proposed by detecting coil current. A mechanical fault of a 550 kV circuit breaker in a converter station is analyzed with the method

and the cause of the fault is determined accurately. The result shows that the switching coil current can be used to find some hidden mechanical troubles in high voltage circuit breakers

so as to heighten state detection level of high voltage circuit breakers and enhance the security and stability of power system.

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Related Institution

Xi’an High Voltage Apparatus Research Institute Co., Ltd.

School of Automation Science and Electrical Engineering, Beihang University

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