DocumentCode
27435
Title
Passive lossless snubber for double-ended flyback converter
Author
Mohammadi, M. ; Adib, Ehsan ; Farzanehfard, Hosein
Author_Institution
Dept. of Electr. & Comput. Eng., Isfahan Univ. of Technol. (IUT), Isfahan, Iran
Volume
8
Issue
1
fYear
2015
fDate
1 2015
Firstpage
56
Lastpage
62
Abstract
Double-ended flyback converter is one of the most popular topologies employed as a power supply or a power factor correction converter. Reducing switching losses at high switching frequencies is essential. In this study, a passive lossless snubber for double-ended flyback converter is introduced. This snubber circuit provides soft switching condition for all semiconductor elements at turn on and turn off instants. Furthermore, the converter is controlled just like regular pulse-width modulation converter. The proposed converter is analysed and the theoretical analysis is justified using experimental results.
Keywords
PWM power convertors; network topology; power factor correction; snubbers; switching convertors; double-ended flyback converter; passive lossless snubber; power factor correction converter; power supply; pulse-width modulation converter; semiconductor elements; snubber circuit; switching loss reduction;
fLanguage
English
Journal_Title
Power Electronics, IET
Publisher
iet
ISSN
1755-4535
Type
jour
DOI
10.1049/iet-pel.2013.0862
Filename
7014468
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