DocumentCode
1468677
Title
Measurement of Harmonics in Power Systems Using Near Perfect Reconstruction Filter Banks
Author
Taskovski, Dimitar ; Koleva, Ljubica
Author_Institution
Fac. of Electr. Eng. & Inf. Technol., Ss. Cyril & Methodius Univ., Skopje, Macedonia
Volume
27
Issue
2
fYear
2012
fDate
4/1/2012 12:00:00 AM
Firstpage
1025
Lastpage
1026
Abstract
In this letter, the use of near perfect reconstruction filter banks on the harmonic analysis of power system waveforms is investigated. For this aim, wavelet packet transform for the rms measurement is implemented. Besides commonly used wavelet filters, the influence of several of Johnston´s filters is examined. Experimental tests are performed under different conditions in case of stationary and nonstationary signals. The obtained results show that Johnston filters outperform the commonly used wavelet filters for harmonic analysis.
Keywords
power harmonic filters; power system harmonics; power system measurement; Johnston´s filters; near perfect reconstruction filter banks; power system waveforms; power systems harmonics measurement; rms measurement; wavelet filters; wavelet packet transform; Harmonic analysis; Power harmonic filters; Wavelet analysis; Wavelet packets; Harmonic distortion; power quality (PQ); wavelet packet transform;
fLanguage
English
Journal_Title
Power Delivery, IEEE Transactions on
Publisher
ieee
ISSN
0885-8977
Type
jour
DOI
10.1109/TPWRD.2012.2187123
Filename
6168816
Link To Document