Modeling and Experimental Validation of Dual-Output Flyback Converters with Capacitive Coupling for Improved Cross-Regulation

This paper addresses cross-regulation in dual-output flyback converters. An original analytical framework is developed to model the impact of a balancing capacitor connected among a transformer’s secondary windings in order to mitigate the cross-regulation among different outputs. To validate the pr...

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Bibliographic Details
Published in:Electronics (Basel) 2024-09, Vol.13 (17), p.3503
Main Authors: Granello, Pierpaolo, Schirone, Luigi
Format: Article
Language:English
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Summary:This paper addresses cross-regulation in dual-output flyback converters. An original analytical framework is developed to model the impact of a balancing capacitor connected among a transformer’s secondary windings in order to mitigate the cross-regulation among different outputs. To validate the proposed model, a prototype dual-output flyback converter was built and tested for a wide range of load unbalances. The measured cross-regulation error was compared with the theoretical predictions provided by the proposed model, obtaining a tight fit, which confirms the validity of the proposed approach.
ISSN:2079-9292
2079-9292
DOI:10.3390/electronics13173503