Analysis of power quality (PQ) signals by continuous wavelet transform

被引：0
|
作者：
Basu, Malabika [1 ]
Basu, Biswajit [1 ]
机构：
[1] Dublin Inst Technol, Sch Control Syst & Elect Engn, Dublin 8, Ireland
来源：
2007 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6 | 2007年
关键词：
power quality; voltage distortion; spike; saturation; flat-top; wavelet analysis; L-P basis;
D O I：
10.1109/PESC.2007.4342428
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents application of continuous wavelet transform to identify power system transients and disturbances. A mother wavelet basis function (Littlewood-Paley (L-P)) with dyadic nonoverlapping frequency bands has been used. A few power signals with power quality (PQ) disturbances have been analyzed to show the effectiveness of the proposed technique. The purpose of the paper is to highlight an alternative way of PQ signal analysis, which enables to identify the duration of disturbance accurately. Classification of various power quality disturbances is also possible through this time-frequency based wavelet analysis.
引用
收藏
页码：2614 / 2618
页数：5
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