Title :
A novel ZVS-PWM dc-dc converter for bidirectional applications with steep conversion ratio
Author :
Das, Pritam ; Mousavi, Ahmad ; Moschopoulos, Gerry
Author_Institution :
Univ. of Western Ontario, London, ON, Canada
Abstract :
A new soft-switched bidirectional dc-dc converter with coupled inductors is proposed in the paper. The proposed converter can operate with soft-switching, fixed switching frequency, and the switch stresses of a conventional PWM converter with coupled inductor regardless of the direction of power flow. These features are due to a very simple auxiliary active clamp circuit that is operational regardless of the direction of power flow. In the paper, the converter´s operation is explained. Experimental results obtained from a prototype, which confirm the feasibility of the proposed converter, are also presented.
Keywords :
DC-DC power convertors; PWM power convertors; zero voltage switching; ZVS-PWM dc-dc converter; auxiliary active clamp circuit; bidirectional applications; power flow; soft-switched bidirectional dc-dc converter; steep conversion ratio; Bidirectional; Coupled Inductor; Fuel Cell; Steep Conversion Ratio; Zero Voltage Switching;
Conference_Titel :
Energy Conversion Congress and Exposition, 2009. ECCE 2009. IEEE
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4244-2893-9
Electronic_ISBN :
978-1-4244-2893-9
DOI :
10.1109/ECCE.2009.5316500
