Wavelet-aided approach to visualization of power system harmonic trends

Shyh-Jier Huang, Cheng Tao Hsieh

Research output: Contribution to journalArticle

Abstract

A wavelet-aided approach to visualizing power system harmonic trends is proposed in this paper. With time-frequency localization characteristics embedded in wavelets, the time and frequency information of a waveform can be presented as a visualized scheme. Different from the fast Fourier transform, the proposed method is more efficient in monitoring harmonic dynamics. The proposed method has been tested on an arc furnace and electric drives. Test results demonstrate the practicality and advantages of the method.

Original languageEnglish
Pages (from-to)517-523
Number of pages7
JournalProceedings of the National Science Council, Republic of China, Part A: Physical Science and Engineering
Volume22
Issue number4
Publication statusPublished - 1998 Jul

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Electric drives
Fast Fourier transforms
Furnaces
Visualization
Monitoring

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "A wavelet-aided approach to visualizing power system harmonic trends is proposed in this paper. With time-frequency localization characteristics embedded in wavelets, the time and frequency information of a waveform can be presented as a visualized scheme. Different from the fast Fourier transform, the proposed method is more efficient in monitoring harmonic dynamics. The proposed method has been tested on an arc furnace and electric drives. Test results demonstrate the practicality and advantages of the method.",
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