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http://dx.doi.org/10.5370/JEET.2009.4.2.168

Wavelet Transforms: Practical Applications in Power Systems  

Akorede, Mudathir Funsho (Dept. of Electrical Engineering, University of Ilorin)
Hizam, Hashim (Dept. of Electrical and Electronic Engineering, University Putra Malaysia)
Publication Information
Journal of Electrical Engineering and Technology / v.4, no.2, 2009 , pp. 168-174 More about this Journal
Abstract
An application of wavelet analysis to power system transient generated signals is presented in this paper. With the time-frequency localisation characteristics embedded in wavelets, the time and frequency information of a waveform can be presented as a visualised scheme. This feature is very important for non-stationary signals analysis such as the ones generated from power system disturbances. Unlike the Fourier transform, the wavelet transform approach is more efficient in monitoring fault signals as time varies. For time intervals where the function changes rapidly, this method can zoom in on the area of interest for better visualisation of signal characteristics.
Keywords
Wavelet transforms; Time-frequency localisation; High impedance faults; Voltage sag; Power quality;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 2
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