A New Standby Structure Based on a Forward Converter Integrated With a Phase-Shift Full-Bridge Converter for Server Power Supplies

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This paper presents a new standby structure where a forward converter is integrated with a dc-dc phase-shift full bridge (PSFB) converter for server power supplies. While a typical standby structure consists of an independent flyback converter, the proposed standby structure is integrated with one leg of the dc-dc PSFB converter. Its main advantages are that the voltage across a standby switch is clamped at the link voltage across the link capacitor and that the standby switch achieves zero-voltage switching over entire load range. The validity of the proposed standby structure is confirmed by the experimental results from 12 V/58 A for the dc-dc output prototype and 11.5 V/1.5 A for the standby output prototype.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2013-01
Language
English
Article Type
Article
Keywords

PWM FLYBACK CONVERTER; CIRCUIT

Citation

IEEE TRANSACTIONS ON POWER ELECTRONICS, v.28, no.1, pp.336 - 346

ISSN
0885-8993
DOI
10.1109/TPEL.2012.2195507
URI
http://hdl.handle.net/10203/174892
Appears in Collection
EE-Journal Papers(저널논문)
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