Title :
A single-stage zero-voltage switched PWM full-bridge converter with power factor correction
Author :
Moschopoulos, Gerry ; Jain, Praveen ; Joos, Geza ; Liu, Yan-Fei
Author_Institution :
Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada
Abstract :
A new single-stage converter is proposed in this paper. The converter operates with fixed switching frequency, and with a continuous input current that is sinusoidal and in phase with the input voltage. This is in contrast with most other single-stage converters, which are either resonant converters or must operate with a discontinuous input current. All converter switches operate with soft-switching due to a simple auxiliary circuit that is used for only a small fraction of the switching cycle. In the paper, the operation of the converter is explained and analyzed, and design guidelines are given. The feasibility of the converter is shown with results obtained from an experimental prototype
Keywords :
PWM power convertors; bridge circuits; power factor correction; switching circuits; auxiliary circuit; continuous input current; converter switches; discontinuous input current; fixed switching frequency; power factor correction; resonant converters; single-stage; sinusoidal input current; soft-switching; zero-voltage switched PWM full-bridge converter; Guidelines; Prototypes; Pulse width modulation; Pulse width modulation converters; Resonance; Switches; Switching circuits; Switching converters; Switching frequency; Voltage;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 1997. APEC '97 Conference Proceedings 1997., Twelfth Annual
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-3704-2
DOI :
10.1109/APEC.1997.581494
