Difference of Three-dimensional Signals on Breaker Operation

DING Qiaolin; HE Mengyuan; WANG Yaxiao; ZHAO Shutao

doi:10.13296/j.1001-1609.hva.2019.04.007

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Difference of Three-dimensional Signals on Breaker Operation

更新时间：2025-04-26

- Difference of Three-dimensional Signals on Breaker Operation
- High VoltageApparatus Vol. 55, Issue 4, Pages: 46-51(2019)
- 作者机构：
  
  1. 华北电力大学电气与电子工程学院
  2. 国网河北省电力有限公司物资分公司
  3. 国网河北省电力有限公司邯郸供电分公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.04.007
  CLC： TM561
- Published：2019
- 稿件说明：
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[1]丁巧林,何梦媛,王亚潇,赵书涛.断路器操作三维振动信号差异特征的研究[J].高压电器,2019,55(04):46-51.

DING Qiaolin, HE Mengyuan, WANG Yaxiao, et al. Difference of Three-dimensional Signals on Breaker Operation[J]. High voltageapparatus, 2019, 55(4): 46-51.
[1]丁巧林,何梦媛,王亚潇,赵书涛.断路器操作三维振动信号差异特征的研究[J].高压电器,2019,55(04):46-51. DOI： 10.13296/j.1001-1609.hva.2019.04.007.

DING Qiaolin, HE Mengyuan, WANG Yaxiao, et al. Difference of Three-dimensional Signals on Breaker Operation[J]. High voltageapparatus, 2019, 55(4): 46-51. DOI： 10.13296/j.1001-1609.hva.2019.04.007.

摘要

针对单轴传感器在断路器中应用的缺陷与不足

为了获取更多断路器分合闸时的状态信息

利用三维振动传感器同步采集断路器操作时振动信号

在时域、频域方面以及时频联合对X、Y、Z 3个方向的信号进行分析对比。在时域方面

运用X、Y、Z3个方向振动信号各个特征和能量的分布;在频域方面

运用快速傅立叶算法得出频谱分布图和功率谱图;在时频联合方面

运用小波包分解将三维传感器信号进行分解

并求出能量在各节点的分布和Wigner-Ville分布

说明三轴传感器放置方向对断路器测量信号故障诊断正确率的影响。实验分析结果表明

三维振动传感器采集的断路器振动信号时频特征均有显著差异

可更全面反映断路器分合闸时的状态信息。

Abstract

For the defects and deficiencies of single shaft sensor in the application of the circuit breaker

in order to obtain more comprehensive information about the circuit breaker operation

the circuit breaker operation vibration signal was acquire by the three-dimensional vibration sensor synchronization. Three directions of the signal are analyzed and compared in the time domain

frequency domain and time-frequency domain. In the time domain

three vibration directions of the signals of the characteristics and distribution of energy are taken by methods; in the frequency domain

spectrum distribution and power spectrum are acquired by fast Fourier transform; in time-frequency domain

the energy distribution of each node and Wigner-Ville distribution is obtained by wavelet packet decomposition

which illustrate the influence of circuit breaker measurement signal fault diagnosis accuracy in different placement direction of three axis sensor. The results show that there is a differences in frequency characteristic three-dimensional acceleration sensor vibration signal. Using three-dimensional vibration sensor can obtain more comprehensive information about the circuit breaker operation.

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