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Type: Journal article
Title: Power quality indices measurement using the S-transform
Author: Gargoom, A.
Ertugrul, N.
Soong, W.
Citation: International Journal of Power and Energy Conversion, 2009; 1(1):31-48
Publisher: Inderscience Publishers
Issue Date: 2009
ISSN: 1757-1154
Statement of
Ameen Gargoom, Nesimi Ertugrul and Wen L. Soong
Abstract: The paper presents the S-transform (ST) technique as a new tool for power quality indices measurement. A key feature of the ST is its accurate time-frequency (amplitude and phase) domain. With this feature, it is possible to redefine the calculation of the power quality indices in the ST domain based on the harmonic content of the signals. In addition, using the time information provided by this technique, the definitions of the power quality indices can be extended to be instantaneous. The accuracy of the instantaneous versions of different indices in the ST domain is verified on a number of simulated and real power quality signals.
Keywords: power quality indices
non-sinusoidal signals
stationary signals
non-stationary signals
Description: Copyright © 2009 Inderscience Enterprises Ltd.
DOI: 10.1504/IJPEC.2009.023475
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Appears in Collections:Aurora harvest
Electrical and Electronic Engineering publications
Environment Institute publications

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