Analysis and design of a forward-flyback converter employing two transformers

This paper presents the steady-state analysis and design of a forward-flyback converter that employs two transformers and an output inductor. By utilizing two separate transformers, the proposed converter allows a low-profile design to be readily implemented while retaining the merits of a conventio...

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Bibliographic Details
Main Authors: Yonghan Kang, Byungcho Choi, Wonseok Lim
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
Circuit topology
Copper
DC-DC power converters
Filters
Inductors
Magnetic separation
Steady-state
Transformers
Zero voltage switching
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Description
Summary:This paper presents the steady-state analysis and design of a forward-flyback converter that employs two transformers and an output inductor. By utilizing two separate transformers, the proposed converter allows a low-profile design to be readily implemented while retaining the merits of a conventional single-transformer forward-flyback converter with secondary center tap. By using an output inductor, the proposed converter efficiently reduces the output ripple to an acceptable level. The design and performance of the proposed converter are confirmed with experiments on a 100 W prototype converter.
ISSN:0275-9306
2377-6617
DOI:10.1109/PESC.2001.954046