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高压电器  2014 

基于振声时三维图的高压断路器机械故障诊断方法

, PP. 121-125

Keywords: 高压断路器,形状特征,特征向量,支持向量机,故障诊断

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Abstract:

分析高压断路器机械振动信号和声波信号的特性,针对现有诊断方法的不足,笔者提出了一种基于振声时三维图的高压断路器机械故障诊断方法,并给出了可行的诊断步骤和分析。此方法首先利用分级多时标信号对准的方法构建振声时三维图,然后提取断路器振声时三维图的包络,最后采用基于形状的分级特征向量提取方法构建支持向量机的输入向量进行故障诊断。其中,一级特征提取振声时三维图包络六面八角的特征向量,二级特征提取振声时三维图二维投影的区域弦的分布特征。实验结果表明,该方法诊断高压断路器机械故障能取得良好的效果。

References

[1]  RUNDE M,OTTESEN G E,SKVBERG B,et al.Vibration analysis for diagnostic testing of circuit breakers[J]. IEEE Trans. on Power Delivery,1996,11(4):1816-1823.
[2]  沈 力,黄瑜珑,钱家骊.高压断路器机械状态监测的研究[J]. 中国电机工程学报,1997,17(2):113-117. SHEN Li,HUANG Yulong,QIAN Jiali. Research on mechanical condition monitoring for HV circuit breakers[J]. Proceedings of the CSEE,1997,17(2):113-117.
[3]  李建鹏.基于振―声联合分析的高压断路器机械故障诊断研究[D]. 北京:华北电力大学,2012. LI Jianpeng. Research on mechanical fault diagnosis of high voltage circuit breakers based on vibration and acoustic[D]. Beijing:North China Electric Power University,2012.
[4]  POLYCARPOU A A, SOOM A,PETER J W,et al.Event timing and shape analysis of vibration bursts from power circuit breakers[J]. IEEE Trans. on Power Delivery,1996,11(2):848-857.
[5]  LEI Yaguo,HE Zhengjia,ZI Yanyang. Application of the EEMD method to rotor fault diagnosis of rotating machinery[J]. Mechanical Systems and Signal Processing,2009(23):1327-1338.
[6]  吴振升,王 玮,黄 梅,等.基于相空间重构的高压断路器振动信号特征分析[J]. 现代电力,2006,23(1):10-14. WU Zhensheng,WANG Wei,HUANG Mei,et al. Analysis of characteristics of vibration signals in high-voltage circuit breakers based on phase space reconstruction[J]. Modern Electric Power,2006,23(1):10-14.
[7]  陈 涛. 一种新的支持向量机混合集成算法[J]. 科学技术与工程,2012,12(21): 5312-5315. CHEN Tao. A new hybrid SVM ensemble algorithm[J]. Science Technology and Engineering,2012,12(21): 5312-5315.
[8]  MENG Yongpeng,JIA Shenli,SHI Zongqian,et al. The detection of the closing moments of a vacuum circuit breaker by vibration analysis[J]. IEEE Trans. on Power Delivery,2006,21(2):652-658.
[9]  唐发明,王仲东,陈绵云.支持向量机多类分类算法研究[J]. 控制与决策,2005,20(7):746-749. TANG Faming, WANG Zhongdong,CHEN Mianyun.On multi class classification methods for support vector machines[J]. Control and Decision,2005,20(7):746-749.
[10]  朱利民,钟秉林,贾民平.振动信号短时分析方法及在机械故障诊断中的应用[J]. 振动工程学报,2000,13(2):400-405. ZHU Limin, ZHONG Binglin, JIA Minping. The short time analysis method and its application on mechanical fault diagnosis[J]. Journal of Vibration Engineering,2000,13(2):400-405.
[11]  Cannon Michael Warnock Ony. A shape descriptor based on the line scan transform[R]. America: Los Alamos National Laboratory, 2004.
[12]  HUANG Xiaolei,DIMITRIS M. Matching and recognition of shapes using chord-based point density graphs[R].Canada: Division of Computer and Information Sciences, Rutgers University, 2002.
[13]  ANSARY T F, DAOUDI M, VANCEBORO J P. A Bayesian 3D search engine using adaptive views clustering[J]. IEEE Transactions on Multimedia, 2007, 9(1): 78-88.
[14]  彭 搏,肖登明.断路器电寿命的在线监测[J]. 电网与清洁能源,2012,28(12):38-41. PENG Bo, XIAO Dengming. Online monitoring of the breaker’s electrical life[J]. Power System and Clean Energy, 2012,28(12):38-41.

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