Title :
Analysing time-varying power system harmonics using wavelet transform
Author :
Driesen, Johan ; Van Craenenbroeck, Thieriy ; Reekmans, Roland ; Van Dommelen, Daniel
Author_Institution :
ESAT, Katholieke Univ., Leuven, Heverlee, Belgium
Abstract :
This paper presents the possibilities offered by the dyadic-orthonormal wavelet transform used in the multiresolution analysis of voltage- and current-signals. This transform proves to have some advantages over the classical FFT-based algorithms, when used in electric power quality assessment and the analysis of waveforms. Practical examples using waveforms generated by energy saving lighting equipment, remote-control signals and an adjustable speed drive, are presented
Keywords :
fast Fourier transforms; harmonic analysis; industrial power systems; lighting; power supplies to apparatus; power supply quality; power system analysis computing; power system harmonics; telecontrol; variable speed drives; waveform analysis; wavelet transforms; adjustable speed drive; analysis of waveforms; current-signals; dyadic-orthonormal wavelet transform; electric power quality assessment; energy saving lighting equipment; multiresolution analysis; remote-control signals; time-varying power system harmonics; voltage-signals; wavelet transform; Algorithm design and analysis; Harmonic analysis; Multiresolution analysis; Power system harmonics; Quality assessment; Signal generators; Time varying systems; Voltage; Wavelet analysis; Wavelet transforms;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 1996. IMTC-96. Conference Proceedings. Quality Measurements: The Indispensable Bridge between Theory and Reality., IEEE
Conference_Location :
Brussels
Print_ISBN :
0-7803-3312-8
DOI :
10.1109/IMTC.1996.507428
