AC-DC Converter with High-Frequency Isolation Operating Under ZVS

This paper presents the study of the single-stage rectifier with high-frequency isolation, focusing on its soft switching analysis in the primary side. The converter uses the concepts of interleaving by coupled-windings and the dual active bridge (DAB) structure, so that it is possible to obtain a p...

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Published in2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC) pp. 1 - 6
Main Authors Sousa da Silva, Bruno Alves, de Araujo Honorio, Dalton, de Souza Olivera Junior, Demercil, Ricardo de Almeida, Bruno, Barbosa, Samanta Gadelha, Henrique Silva Colado Barreto, Luiz, Veras, Caio Kerson O.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2019
Subjects
delay angle
Delays
Electrical engineering
interleaving by coupled-winding
Modulation
power factor correction
Rectifiers
single-phase rectifier
Switches
Voltage control
Zero voltage switching
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Summary:This paper presents the study of the single-stage rectifier with high-frequency isolation, focusing on its soft switching analysis in the primary side. The converter uses the concepts of interleaving by coupled-windings and the dual active bridge (DAB) structure, so that it is possible to obtain a power flow control through the delay angle applied on the secondary side with a good distribution of the semiconductor efforts. The soft switching investigation was carried out by the qualitative and quantitative analysis of the converter. The validation of such analysis is elaborated by spreadsheets and simulation results considering a 1 kW load. Experimental partial results is presented to validate the proposed converter.
ISSN:2643-9778
DOI:10.1109/COBEP/SPEC44138.2019.9065332