Vibration Signal Analysis of Hydraulic Operating Mechanism for High Voltage Circuit Breaker Based on EMD Method

ZHANG Guo-gang; WANG Hong-wei; TANG Xiang; GENG Ying-san

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Vibration Signal Analysis of Hydraulic Operating Mechanism for High Voltage Circuit Breaker Based on EMD Method

更新时间：2025-04-26

- Vibration Signal Analysis of Hydraulic Operating Mechanism for High Voltage Circuit Breaker Based on EMD Method
- High VoltageApparatus Issue 3, Pages: 193-196(2008)
- 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：2008
- 稿件说明：
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[1]张国钢,王宏伟,汤翔,耿英三.基于EMD方法的高压断路器液压机构振动信号分析[J].高压电器,2008(03):193-196.

ZHANG Guo-gang, WANG Hong-wei, TANG Xiang, et al. Vibration Signal Analysis of Hydraulic Operating Mechanism for High Voltage Circuit Breaker Based on EMD Method[J]. High voltageapparatus, 2008, (3): 193-196.
[1]张国钢,王宏伟,汤翔,耿英三.基于EMD方法的高压断路器液压机构振动信号分析[J].高压电器,2008(03):193-196. DOI：

ZHANG Guo-gang, WANG Hong-wei, TANG Xiang, et al. Vibration Signal Analysis of Hydraulic Operating Mechanism for High Voltage Circuit Breaker Based on EMD Method[J]. High voltageapparatus, 2008, (3): 193-196. DOI：

摘要

针对高压断路器液压操动机构

分析了振动产生的原因

提出采用EMD（经验模态分解）方法对振动信号进行分解

利用包络谱分析方法提取信号的时域参量

作为反映液压机构操动特性的依据。实验分析表明

该方法能有效地提取液压操动机构运动过程的时域特征。

Abstract

According to the characteristics of hydraulic operating mechanism of high voltage circuit breaker

a vibration signal analysis approach based on EMD （empirical mode decomposition） and envelope spectrum was proposed. First

the original signals were decomposed into a number of IMFs （intrinsic mode functions）; then

the characteristic vectors after the envelope spectra of some IMFs were obtained and used to identify the work conditions of operating mechanism. The experimental results show that the vibration signal analysis approach based on EMD and envelope spectrum can effectively extract the characteristics of hydraulic operating mechanism in time-domain.

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

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