A Wavelet Analysis of Three-dimensional Surface Vibration Signal of Running Power Transformer

被引：2

作者：

Ding, Qiaolin ^{[1
]}

Yuan, Yimin ^{[1
]}

Li, Zhong ^{[1
]}

机构：

[1] North China Elect Power Univ, Sch Elect & Elect Engn, Baoding 071003, Peoples R China

来源：

MODERN TECHNOLOGIES IN MATERIALS, MECHANICS AND INTELLIGENT SYSTEMS | 2014年 / 1049卷

关键词：

Power transformer; vibration signal; wavelet theory; frequency bands-energy analysis;

D O I：

10.4028/www.scientific.net/AMR.1049-1050.634

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Theoretical analysis and practice experience have shown that, the vibration signal on power transformer surface can be used to analyze and judge the work state of the winding and iron core. For vibration analysis, to extract a precise feature of the vibration signal is a basic work. Based on wavelet multiresolution analysis, three-dimensional surface vibration signal of the running power transformer is analyzed. Based on the Parseval theorem, the feature of frequency bands-energy in X, Y, Z directions is computed and compared. It provides some reference for the power transformer vibration analysis.

引用

页码：634 / 637

页数：4

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