A fully soft-switched ZVZCS Full-Bridge PWM converter

Author

Packnezhad, Mohsen ; Farzanehfard, Hosein

Author_Institution

Dept. of Electr. & Comput. Eng., Isfahan Univ. of Technol., Isfahan, Iran

Volume

2

fYear

2009

fDate

4-6 Oct. 2009

Firstpage

801

Lastpage

806

Abstract

A zero-voltage and zero-current switching full-bridge pulse width modulation (ZVZCS-FB-PWM) converter is proposed to improve the performance of existing converter with active clamp. The proposed converter can eliminate the switching loss of the active clamp switch. Efficiency is improved since the clamp switch operates at twice the converter switching frequency. The topology including the clamp circuit is very simple with minimum number of components. Main switches are still fully soft switched while the clamp switch turn on is under ZVZCS and turn off is ZVS. The principle of operation is explained and analyzed. The simulation results justify the converter analysis.

Keywords

PWM power convertors; active networks; switching convertors; zero current switching; zero voltage switching; active clamp switch switching loss; fully soft switched ZVZCS full-bridge PWM converter; zero current switching; zero voltage switching; Circuit topology; Clamps; Pulse width modulation; Pulse width modulation converters; Switches; Switching converters; Switching frequency; Switching loss; Zero current switching; Zero voltage switching; Active Clamp; Full Bridge PWM Converter; Soft Switching; Zero Voltage and Zero Current Switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics & Applications, 2009. ISIEA 2009. IEEE Symposium on

Conference_Location

Kuala Lumpur

Print_ISBN

978-1-4244-4681-0

Electronic_ISBN

978-1-4244-4683-4

Type

conf

DOI

10.1109/ISIEA.2009.5356332

Filename

5356332