A Comparative Study of Zero-Current-Transition PWM Converters
- 10 April 2007
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Industrial Electronics Magazine
- Vol. 54 (3), 1319-1328
- https://doi.org/10.1109/tie.2007.891663
Abstract
Zero-current-transition pulsewidth-modulation (ZCT-PWM) boost converters are conventional boost converters that use an active auxiliary circuit to turn off the main power switch with zero-current switching; the operation and properties of these converters are the focus of this paper. In this paper, the general operating principles behind all ZCT-PWM converters are reviewed, and the operation and properties of specific converters are discussed. The strengths and weaknesses of each converter are stated, and a new and improved ZCT-PWM boost converter is proposed and discussed. Experimental results obtained from an experimental ZCT-PWM boost converter prototype implemented with several of the auxiliary circuits discussed in this paper are presented, and the results confirm the superior performance of the proposed converterKeywords
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