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Conventional CCM Boost (CB) PFC has been widely used for the PFC applications because of its high input power factor and simplicity, but it suffers from conduction loss in the input rectifier bridge and switching loss due to the high switching frequency. The efficiency decreases significantly under the low input voltage or the light load work condition. In this paper, a novel Enabling Window Control...
A zero voltage switching space vector modulation (ZVS-SVM) controlled three-phase boost rectifier is proposed. A branch composed of one active switch, one resonant inductor and one clamping capacitor is added to the six-switch boost rectifier. In addition, a ZVS-SVM for the rectifier is proposed. It can effectively suppress the reverse recovery process of the bridge switch anti-parallel diodes. All...
Design method for an accurately regulated multiple output ZVS DC/DC converter is proposed. The converter is composed of three outputs altogether. The 1st and 3rd outputs are regulated through the duty cycle control of two asymmetrical half bridge converters, while the 2nd output is regulated through the phase shift of the two asymmetrical half bridge converters. The characteristic of the proposed...
A novel zero voltage switching SVM (ZVS-SVM) controlled three-phase boost rectifier is proposed. A branch composed of one active switch, one resonant inductor and one clamping capacitor is added to the six-switch boost rectifier. In addition, a novel space vector modulation (ZVS-SVM) for the rectifier is proposed. It can effectively suppress the reverse recovery process of the bridge switches' anti-parallel...
A ZVS three level two transistor forward DC/DC converter (input 600 V, output 48 V/50 A) is proposed. The performance of a 600 V/10 A silicon carbide (SiC) Schottky diode (Cree CDS10060) is experimentally evaluated on the prototype. Reverse recovery and overall efficiency are compared between the SiC diode and fast soft-recovery silicon power diode
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