Current-Fed Resonant Full-Bridge Boost DC/AC/DC Converter
Jalbrzykowski, S.
Citko, T.
Bialystok Tech. Univ., Bialystok;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: March 2008
Volume: 55,
Issue: 3
On page(s): 1198-1205
ISSN: 0278-0046
INSPEC Accession Number: 9897239
Digital Object Identifier: 10.1109/TIE.2007.909084
Current Version Published: 2008-03-03
Abstract
This paper presents a current-fed full-bridge boost DC/AC/DC converter with transformer isolation operating without switching power dissipation. The output voltage is regulated by DC/AC converter control frequency changes with a constant turn-off time of transistors. The proposed converter is devoid of parasitic oscillations, as all of the parasitic capacitances and inductances are included in a resonant tank circuit. In this paper, the system operation is first explained, then a mathematical description that is useful for its design is provided, and finally, a report on the implementation of a laboratory prototype with 1.4-kW power is presented.
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