DocumentCode :
1141133
Title :
Zero-Voltage Transition Current-Fed Full-Bridge PWM Converter
Author :
Adib, Ehsan ; Farzanehfard, Hosein
Author_Institution :
Dept. of Electr. & Comput. Eng., Isfahan Univ. of Technol., Isfahan
Volume :
24
Issue :
4
fYear :
2009
fDate :
4/1/2009 12:00:00 AM
Firstpage :
1041
Lastpage :
1047
Abstract :
In this paper, a new zero-voltage transition current-fed full-bridge converter with a simple auxiliary circuit is introduced for high step-up applications. In this converter, for the main switches, zero-voltage switching condition is achieved at wide load range. Furthermore, all semiconductor devices of the employed simple auxiliary circuit are fully soft switched. The proposed converter is analyzed and a prototype is implemented. The experimental results presented confirm the validity of the theoretical analysis. Finally, the proposed auxiliary circuit is applied to other current-fed topologies such as current-fed push-pull and half-bridge converters to provide soft switching.
Keywords :
DC-DC power convertors; PWM power convertors; bridge circuits; power semiconductor devices; switching convertors; zero voltage switching; DC-DC converter; current-fed full-bridge PWM converter; high step-up application; semiconductor device; zero-voltage switching condition; zero-voltage transition converter; Current-fed dc–dc converters; zero-voltage switching (ZVS);
fLanguage :
English
Journal_Title :
Power Electronics, IEEE Transactions on
Publisher :
ieee
ISSN :
0885-8993
Type :
jour
DOI :
10.1109/TPEL.2008.2011553
Filename :
4773259
Link To Document :
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