IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
A single stage soft-switched AC/DC power factor corrected converter with galvanic isolation
Zhi ZhangXueliang LiuZhiping Wang
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JOURNALS FREE ACCESS

2017 Volume 14 Issue 8 Pages 20170144

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Abstract

This paper describes a single-stage AC/DC Power Factor Correction (PFC) converter with galvanic isolation, and an active-clamp circuit is used to achieve zero-voltage-switching (ZVS) for both main and auxiliary switches. The ZVS operation principle of the system is illustrated in detail. Simulation and experimental results based on a 85 kHz, 3000 W prototype circuit show that the proposed converter has low component count, galvanic isolation, simple control, high power factor and high conversion efficiency in a wide load range.

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© 2017 by The Institute of Electronics, Information and Communication Engineers
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