Title :
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
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;
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
DOI :
10.1109/ISIEA.2009.5356332
