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

机译：运行电力变压器三维表面振动信号的小波分析

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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.

机译：理论分析和实践经验表明，电力变压器表面上的振动信号可用于分析和判断绕组和铁芯的工作状态。为了振动分析，提取振动信号的精确特征是基本工作。基于小波多分辨率分析，分析了运行电力变压器的三维表面振动信号。基于PARSEVAL定理，计算X，Y，Z方向上的频带能量的特征和比较。它为电源变压器振动分析提供了一些参考。

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《International Conference on Intelligent System and Applied Material》|2014年||共4页
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作者
Qiaolin Ding; Yimin Yuan; Zhong Li;
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中图分类 TB3-532;
关键词
Power transformer; vibration signal; wavelet theory; frequency bands-energy analysis;

机译：电力变压器;振动信号;小波理论;频段 - 能量分析;

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1. Recognising multiple partial discharge sources in power transformers by wavelet analysis of UHF signals [J] . Yang L., Judd M.D. IEE Proceedings. Part A, Science, Measurement and Technology . 2003,第3期

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2. The Wavelet Analysis of the Vibroacoustic Signal Measurement in a Transient State Operation of Power Transformer [J] . S. BORUCKI, A. CICHON, T. BOCZAR, Acta Physica Polonica . 2012,第5期

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3. Analysis of Interference Signals Generated by Vibroacoustic Vibrations of Transformer Cores [J] . T. Boczar, S. Borucki, A. Cichon Acta Physica Polonica . 2014,第6期

机译：变压器铁心的振动声产生的干扰信号分析
4. A Wavelet Analysis of Three-dimensional Surface Vibration Signal of Running Power Transformer [C] . Qiaolin Ding, Yimin Yuan, Zhong Li International Conference on Intelligent System and Applied Material . 2014

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5. Power Transformer Frequency Response Analysis: Examination of Resonance Influences on Frequency Response Analysis Signals as The Traveling Wave is Transmitted Through a Power Transformer. [D] . Bocovich, Michael. 2016

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7. Feature extraction of power transformer vibration signals based on empirical wavelet transform and multiscale entropy [O] . Miaoying Zhao, Gang Xu 2018

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

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