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Wavelet transforms : practical applications in power systems.


Akorede, Mudathir Funsho and Hizam, Hashim (2009) Wavelet transforms : practical applications in power systems. Journal of Electrical Engineering and Technology, 4 (2). pp. 168-174. ISSN 1975-0102


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

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Publisher: Korean Institute of Electrical Engineers
Keywords: High impedance faults; Power quality; Time-frequency localisation; Voltage sag; Wavelet transforms.
Depositing User: Fatimah Zahrah @ Aishah Amran
Date Deposited: 29 Dec 2013 05:33
Last Modified: 30 Nov 2015 07:43
URI: http://psasir.upm.edu.my/id/eprint/17626
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