Analysis and design of phase shift full bridge converter with series-connected two transformers

A new phase shift full bridge (PSFB) converter with series-connected two transformers is proposed. The proposed converter shows wide zero voltage switching (ZVS) ranges and no output inductor is needed since each transformer individually acts as an inductor or a transformer during different times of...

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Veröffentlicht in:IEEE transactions on power electronics 2004-03, Vol.19 (2), p.411-419, Article 411
Hauptverfasser: Koo, G.-B., Moon, G.-W., Youn, M.-J.
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Youn, M.-J.
description A new phase shift full bridge (PSFB) converter with series-connected two transformers is proposed. The proposed converter shows wide zero voltage switching (ZVS) ranges and no output inductor is needed since each transformer individually acts as an inductor or a transformer during different times of the switching cycle. The operational principle, large signal modeling, and design equations are presented. Experimental results demonstrate that the proposed converter can achieve a significant improvement in the efficiency for a 100W (5 V, 20 A) telecommunication on-board power supply.
doi_str_mv 10.1109/TPEL.2003.823193
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ispartof IEEE transactions on power electronics, 2004-03, Vol.19 (2), p.411-419, Article 411
issn 0885-8993
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language eng
recordid cdi_crossref_citationtrail_10_1109_TPEL_2003_823193
source IEL
subjects Bridge circuits
Converters
Design engineering
Inductors
Leg
Magnetic flux
Mathematical analysis
Phase shift
Power supply
Switches
Switching
Switching converters
Telecommunication switching
Telecommunications
Topology
Transformers
Voltage
Zero voltage switching
title Analysis and design of phase shift full bridge converter with series-connected two transformers
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