Assessing The Current Imbalance of Current Multiplier Rectifiers Stage in Isolated dc-dc Converters

This paper analyzes dc current sharing in isolated dc-dc converters employing current-doubler and current-tripler rectifiers. Unbalanced currents are likely to occur due to asymmetry associated with transformers, filter inductors, semiconductors, and effective duty ratios of active switches. Experim...

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Bibliographic Details
Main Authors: de Oliveira, Raimundo Nonato M., de Araujo Honorio, Dalton, de Araujo, Jose Willamy M., de Souza Oliveira, Demercil
Format: Conference Proceeding
Language:English
Subjects:
current sharing
current-doubler rectifiers
current-tripler rectifiers
dc-dc converters
DC-DC power converters
Inductors
Mathematical models
Prototypes
Rectifiers
Simulation
Transformers
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Summary:This paper analyzes dc current sharing in isolated dc-dc converters employing current-doubler and current-tripler rectifiers. Unbalanced currents are likely to occur due to asymmetry associated with transformers, filter inductors, semiconductors, and effective duty ratios of active switches. Experimental results are presented to validate the theoretical analysis using a 6 kW prototype, obtaining an error of approximately 2.5%.
ISSN:2832-2983
DOI:10.1109/SPEC56436.2023.10407718