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Zero-voltage-switching realized by magnetizing current of transformer in push-pull current-fed DC-DC converter

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2 Author(s)
Shoyama, M. ; Dept. of Electron., Kyushu Univ., Fukuoka, Japan ; Harada, K.

A new type of zero-voltage-switched (ZVS) push-pull current-fed DC-DC converter with two synchronous rectifiers in the secondary circuit is presented. ZVS is realized using the magnetizing current of the transformer as a constant current source during the commutation. The output voltage is controlled by PWM (pulse-width modulation) with a constant switching frequency. The circuit operation is described using equivalent circuits. The steady-state and dynamic characteristics are analyzed and confirmed experimentally

Published in:
Power Electronics Specialists Conference, 1993. PESC '93 Record., 24th Annual IEEE

Date of Conference: 20-24 Jun 1993

Page(s):
178 - 184
Meeting Date :
20 Jun 1993-24 Jun 1993
Print ISBN:
0-7803-1243-0
INSPEC Accession Number:
4972689
Conference Location :
Seattle, WA
Digital Object Identifier :
10.1109/PESC.1993.471921
Product Type:
Conference Publications

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