On-line Monitoring Method for Mechanical Characteristics of Yacuum Circuit Breakers

MENG Yong-peng; JIA Shen-li; RONG Ming-zhe

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On-line Monitoring Method for Mechanical Characteristics of Yacuum Circuit Breakers

更新时间：2025-04-26

- On-line Monitoring Method for Mechanical Characteristics of Yacuum Circuit Breakers
- High VoltageApparatus Issue 1, Pages: 31-34(2006)
- 作者机构：
  
  1. 西安交通大学电力设备电气绝缘国家重点实验室
  2. 西安交通大学电力设备电气绝缘国家重点实验室陕西西安 710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561
- Published：2006
- 稿件说明：
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[1]孟永鹏,贾申利,荣命哲.真空断路器机械特性的在线监测方法[J].高压电器,2006(01):31-34.

MENG Yong-peng, JIA Shen-li, RONG Ming-zhe. On-line Monitoring Method for Mechanical Characteristics of Yacuum Circuit Breakers[J]. High voltageapparatus, 2006, (1): 31-34.
[1]孟永鹏,贾申利,荣命哲.真空断路器机械特性的在线监测方法[J].高压电器,2006(01):31-34. DOI：

MENG Yong-peng, JIA Shen-li, RONG Ming-zhe. On-line Monitoring Method for Mechanical Characteristics of Yacuum Circuit Breakers[J]. High voltageapparatus, 2006, (1): 31-34. DOI：

摘要

研究了真空断路器机械特性的在线监测方法。采用角位移传感器间接测量动触头的行程曲线

有效解决了直线位移传感器安装困难和高电位隔离的问题;通过监测操作过程中的振动信号

得到了在线状态下动静触头的关合和刚分时刻;用霍尔电流传感器监测分合闸线圈电流

配合动触头位移曲线

得到反映真空断路器机械特性的多个特征参量。

Abstract

The on-line monitoring method for mechanical characteristics of vacuum circuit breakers is researched in this paper. Angular displacement sensor is used to measure the travel curve of the movable contacts indirectly

which solves the problems of sensor assembling and high voltage isolation effectively. The closing and opening instants of the movable and the fixed contacts are successfully obtained under on-line conditions by monitoring the vibration signal during the operation. Holtz current sensor is used to monitor the current in tripping coils. Furthermore

combining with the displacement curve of the movable contact

many characteristic parameters of mechanical conditions in vacuum circuit breaker have been obtained.

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Related Institution

School of Electrical Engineering,Shandong University

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State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University

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