Soft-switched CCM boost converter with high voltage gain for high power applications

Sungsik Park, Sewan Choi
2009 2009 IEEE Energy Conversion Congress and Exposition  
This paper proposes a new soft-switched CCM boost converter suitable for high power applications such as power factor correction, hybrid electric vehicles and fuel cell power conversion systems. The proposed converter achieves ZVS turn-on of active switches in continuous conduction mode and ZCS turn-off of diodes leading to negligible reverse recovery loss. The components' voltage ratings and energy volumes of passive components of the proposed converter are greatly reduced compared to the
more » ... ntional ZVT converter. Voltage conversion ratio is almost doubled compared to the conventional boost converter. Extension of the proposed concept to realize multi-phase DC-DC converters will be discussed. Experimental results from a 1.5kW prototype are provided to validate the proposed concept. Index Terms--soft-switched, non-isolated, high voltage gain, high power applications, CCM
doi:10.1109/ecce.2009.5316009 fatcat:mhuv275p3rdvvm62v34ckue7ji