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Transient analysis of AC/DC converters input waveforms using wavelet

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3 Author(s)
Knezevic, J. ; Fac. of Eng., Novi Sad Univ., Serbia ; Katic, V. ; Graovac, D.

During last decade, power quality problems have become one of the most intensive studied areas of power engineering. Fourier transformation (FT) and especially its digital form-fast Fourier transform was usually used for power quality analysis. Unfortunately, this transform has its drawbacks. During recent years, a novel technique for signal processing emerged in engineering practice-the wavelet transform. Wavelets are limited duration signals with zero average value. The aim of this paper is to present the transient analysis of digitally controlled AC/DC converter input waveforms, since the AC/DC converter is the most common harmonic "polluter" of the power supply.

Published in:

Electrotechnical Conference, 2000. MELECON 2000. 10th Mediterranean  (Volume:3 )

Date of Conference:

29-31 May 2000