A Reconfigurable Series Resonant DC-DC Converter for Wide-Input and Wide-Output Voltages

Yanfeng Shen, Huai Wang, Zian Qin, Frede Blaabjerg, Ahmed Al-Durra

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16 Citationer (Scopus)

Abstract

This paper proposes a dual-bridge based LC series resonant dc-dc converter. The input inverter unit incorporates two bridge structures, i.e., a full-bridge inverter and a half-bridge inverter. For the output rectifier, it can be a full-bridge rectifier or an asymmetric half-bridge rectifier. Different from the conventional resonant converter, a fixed-frequency PWM control is employed which makes the optimization of magnetic components easier. The primary-side switches can achieve ZVS and the secondary-side diodes turn off with ZCS. In addition, the root-mean-square (RMS) values of the transformer currents do not significantly vary with respect to the voltage variation. Therefore, this converter can maintain high efficiency over a wide voltage range. The topology and operating principle are firstly described. Then the dc voltage gain and the RMS current characteristics are detailed. Finally, experimental results from a 500-W converter prototype verify the effectiveness of analysis, and the advantages of the proposed converter.
OriginalsprogEngelsk
TitelProceedings of the 2017 IEEE Applied Power Electronics Conference and Exposition (APEC)
Antal sider7
ForlagIEEE Press
Publikationsdatomar. 2017
Sider343-349
ISBN (Trykt)978-1-5090-5366-7
DOI
StatusUdgivet - mar. 2017
Begivenhed2017 IEEE Applied Power Electronics Conference and Exposition (APEC) - Tampa Convention Center, Tampa, FL, USA
Varighed: 26 mar. 201730 mar. 2017

Konference

Konference2017 IEEE Applied Power Electronics Conference and Exposition (APEC)
LokationTampa Convention Center
Land/OmrådeUSA
ByTampa, FL
Periode26/03/201730/03/2017

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