Communications - Scientific Letters of the University of Zilina 2010, 12(1):23-30 | DOI: 10.26552/com.C.2010.1.23-30

Analysis of Complex Time Function of Converter Output Quantities Using Complex Fourier Transform/Series

Maria Zaskalicka1, Pavel Zaskalicky1, Mariana Benova2, Mahmud A. R. Abdalmula3, Branislav Dobrucky2
1 Faculty of Electrical Engineering, Technical University of Kosice, Slovakia
2 Faculty of Electrical Engineering, University of Zilina, Slovakia
3 University of 7th April, Zawia, Libya

The paper deals with the complex- and discrete Fourier transform which has been considered for both three- and two phase orthogonal voltages and currents of systems. The investigated systems are power electronic converters supplying alternating current motors. Output voltages of them are strongly non-harmonic ones, so they must be pulse-modulated due to requested nearly sinusoidal currents with low total harmonic distortion. Modelling and simulation experiment results of half-bridge matrix converter for both steady- and transient states are given under substitution of the equivalence scheme of the electric motor by resistive-inductive load and back induced voltage. The results worked-out in the paper confirm a very good time-waveform of the phase current and results of analysis can be used for fair power design of the systems.

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Published: March 31, 2010  Show citation

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Zaskalicka, M., Zaskalicky, P., Benova, M., Abdalmula, M.A.R., & Dobrucky, B. (2010). Analysis of Complex Time Function of Converter Output Quantities Using Complex Fourier Transform/Series. Communications - Scientific Letters of the University of Zilina, 12(1), 23-30. doi: 10.26552/com.C.2010.1.23-30
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