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Energies 2015, 8(11), 12314-12330; doi:10.3390/en81112314

Operation Modes of a Secondary-Side Phase-Shifted Resonant Converter

Faculty of Information Technology, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau SAR, China
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Author to whom correspondence should be addressed.
Academic Editor: Issouf Fofana
Received: 10 September 2015 / Revised: 11 October 2015 / Accepted: 19 October 2015 / Published: 30 October 2015
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Abstract

In this work, a unidirectional full-bridge resonant converter with secondary-side phase-shifted control is addressed. With the variation of voltage gain and power level, this converter may enter into different operational modes, including three continuous current modes and one discontinuous current mode. The details in each operation mode are discussed one by one. The boundary conditions between these modes have been identified. Additionally, the steady-state analysis of all continuous current modes is performed uniformly by using the fundamental harmonics approximation approach. Experimental results based on a lab prototype converter are also included to verify the operation modes predicted by the theoretical analysis. View Full-Text
Keywords: resonant converter; soft-switching; DC-DC converter resonant converter; soft-switching; DC-DC converter
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hu, S.; Li, X.; Lu, M.; Luan, B.-Y. Operation Modes of a Secondary-Side Phase-Shifted Resonant Converter. Energies 2015, 8, 12314-12330.

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