Title :
A ZVT PWM Three Level Boost Converter for Power Factor Preregulator
Author :
Gang Yao ; Haiyang He ; Yan Deng ; Xiangning He
Author_Institution :
Coll. of Electr. Eng., Zhejiang Univ., Hangzhou
Abstract :
A ZVT PWM three level boost converter for power factor preregulator is proposed in this paper. Only one auxiliary switch is used in the active soft switching circuit. By using this ZVT converter topology, zero voltage turn-on and zero voltage turn-off of the main switches can be achieved and the reverse-recovery loss of boost diode can be reduced. In addition, the auxiliary switch is ZCS during the turn-on switching transition. A prototype of boost converter rated at 420 W has been built to confirm the effectiveness of the converter
Keywords :
PWM power convertors; active networks; diodes; network topology; power factor; switching convertors; 420 W; ZVT PWM three level boost converter; active soft switching circuit; auxiliary switch; boost diodes; converter topology; power factor preregulator; reverse-recovery loss; Circuit topology; Diodes; Pulse width modulation; Pulse width modulation converters; Reactive power; Switches; Switching circuits; Switching converters; Zero current switching; Zero voltage switching;
Conference_Titel :
Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE
Conference_Location :
Jeju
Print_ISBN :
0-7803-9716-9
DOI :
10.1109/PESC.2006.1711894
