Comparisons of PWM and one-cycle control for power amplifier with multilevel converter
Chan, C.C.
Zheng Ming Zhao
Qian, C.
Meng, S.
Dept. of Electr. & Electron. Eng., Hong Kong Univ.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Dec 2002
Volume: 49,
Issue: 6
On page(s): 1342- 1344
ISSN: 0278-0046
INSPEC Accession Number: 7475666
Digital Object Identifier: 10.1109/TIE.2002.804988
Current Version Published: 2002-12-16
Abstract
Based on the concepts of cascade multilevel converters and one-cycle technique, comparisons are conducted to characterize the distortion of the pulsewidth modulation (PWM) and one-cycle control methods that were applied to converters. Simulation results for the different control schemes are obtained in PSIM software initially to see the effect of one-cycle control different from that of PWM control. Through the comparisons, the advantages and disadvantages are identified for each method. The one-cycle scheme is better than PWM control in reducing undesirable harmonics and tracing dynamic waveforms. Simulation and experimental results are also provided to verify the conclusions.
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