Research on bridgeless Boost PFC with soft-switching

Author

Jiang, Shi-Gong ; Liu, Gui-Hua ; Wang, Wei ; Xu, Dian-Guo

Author_Institution

Dept. of Electr. Eng., Harbin Inst. of Technol., Harbin, China

fYear

2009

fDate

7-10 Sept. 2009

Firstpage

1461

Lastpage

1464

Abstract

Low conduction loss is the main advantage of bridgeless Boost PFC topology. In order to decrease switching loss and further improve efficiency, a bridgeless Boost PFC circuit with passive lossless snubber circuit is proposed. Using this snubber circuit, the power switches turn off with ZVS (zero voltage switching) and turn on with near ZCS (zero current switching) and the fast-recovery diodes operate at ZVS turn-on and turn-off. Prototype with one-cycle control chip IR1150 is designed after analyzing bridgeless Boost PFC and passive lossless snubber circuit. Experimental results verify that the snubber circuit can reduce switching dv/dt, di/dt and switching loss; the power factor is higher than 0.99 and the efficiency reaches 0.97 at 1.0 kW.

Keywords

losses; passive networks; power factor correction; snubbers; switching circuits; zero current switching; zero voltage switching; bridgeless Boost PFC topology; fast-recovery diodes; losses; one-cycle control chip IR1150; passive lossless snubber circuit; power 1 kW; power switches; soft-switching; zero current switching; zero voltage switching; Circuit noise; Circuit topology; Diodes; Electromagnetic interference; Inductors; Semiconductor device noise; Snubbers; Switches; Switching circuits; Switching loss; bridgeless Boost PFC; efficiency; one-cycle control; passive lossless snubber circuit;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicle Power and Propulsion Conference, 2009. VPPC '09. IEEE

Conference_Location

Dearborn, MI

Print_ISBN

978-1-4244-2600-3

Electronic_ISBN

978-1-4244-2601-0

Type

conf

DOI

10.1109/VPPC.2009.5289522

Filename

5289522