Proceedings of the KIPE Conference (전력전자학회:학술대회논문집)
- 2011.07a
- /
- Pages.444-446
- /
- 2011
Bidirectional Dual Active Half-Bridge Converter Integrated High Power Factor Correction
- Ngo, AnhTuan (Electronics and Electrical Engineering Department, POSTECH) ;
- Nam, Kwanghee (Electronics and Electrical Engineering Department, POSTECH)
- Published : 2011.07.05
Abstract
A bidirectional dual active converter with the power factor control capability is proposed as a battery charger. The source side half-bridge acts as a PWM converter that maintains the unity power factor. The battery side half-bridge converter acts as a dual active bridge (DAB) together shares the same DC link voltage with PWM converter. The imbalance voltage phenomenon is eliminated by employing asymmetric duty cycle technique. Simulation results are included to verify theoretical analysis.
Keywords
- Bidirectional half-bridge converter;
- battery charger;
- power factor correction;
- asymmetric duty ratio