RT Journal Article
SR Electronic
A1 Zaskalicka, Maria
A1 Zaskalicky, Pavel
A1 Benova, Mariana
A1 Abdalmula, Mahmud A. R.
A1 Dobrucky, Branislav
T1 Analysis of Complex Time Function of Converter Output Quantities Using Complex Fourier Transform/Series
JF Communications - Scientific Letters of the University of Zilina
YR 2010
VO 12
IS 1
SP 23
OP 30
DO 10.26552/com.C.2010.1.23-30
UL https://komunikacie.uniza.sk/artkey/csl-201001-0005.php
AB 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.