Transformer secondary leakage inductance based ZVS dual bridge DC/DC converter

A novel zero voltage switching (ZVS) dual bridge dc/dc converter is presented. The proposed converter is composed of two dual-transistor-forward converter, coupled with a single high frequency transformer. ZVS is realized by introducing a proper leakage inductance to the secondary of the high freque...

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Veröffentlicht in:	IEEE transactions on power electronics 2004-11, Vol.19 (6), p.1408-1416
Hauptverfasser:	Dehong Xu, Chen, Min, Lou, J., Ma Luo
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bridge circuits Circuits Converters DC-DC power converters Direct current Electric power Electrical engineering. Electrical power engineering Exact sciences and technology Frequency conversion High frequencies Inductance Leakage Modulation Power electronics, power supplies Power supply Prototypes Pulse modulation Pulse transformers Pulse-width modulation (PWM) Space vector pulse width modulation Topology Transformers Voltage Zero voltage switching zero voltage switching (ZVS)
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Beschreibung
Zusammenfassung:	A novel zero voltage switching (ZVS) dual bridge dc/dc converter is presented. The proposed converter is composed of two dual-transistor-forward converter, coupled with a single high frequency transformer. ZVS is realized by introducing a proper leakage inductance to the secondary of the high frequency isolation transformer with a corporation of a designed pulse-width modulation control. Operation principle and ZVS condition of the proposed converter are analyzed. Experimental results obtained from a 3.2-kW prototype are given. Extensions of the proposed converter topologies and experimental results of one extension converter are presented.
ISSN:	0885-8993 1941-0107
DOI:	10.1109/TPEL.2004.836641