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A 1.44 kW DC/DC converter with zero voltage switching (ZVS) for medium voltage applications is proposed in this study. Two half-bridge circuits with split capacitors are connected in series at high voltage side to limit voltage stresses of power switches at Vin/2. Three DC/DC circuits are adopted to share load current and reduce the current stress of rectifier diodes, transformers and output filter...
The single-phase and three-phase renewable power generation system for distributed power applications are presented in the paper. The adopted system is consisted of a DC/DC converter with maximum power tracking, a full-bridge converter for isolation and DC voltage regulation and a voltage source inverter for AC power generation. The DC/DC converter is used to draw the maximum power from the renewable...
A soft switching converter with parallel-connected full-wave rectifiers is presented. In the proposed converter, the primary windings of two transformers are connected in series. Two full-wave rectifiers with ripple current cancellation are connected in parallel at the output side to reduce the current stress of the secondary winding of transformer. The clamp circuit based on an auxiliary switch and...
A soft switching converter with parallel-connected full-wave rectifiers is presented. In the proposed converter, the primary windings of two transformers are connected in series. Two full-wave rectifiers with ripple current cancellation are connected in parallel at the output side to reduce the current stress of the secondary winding of transformer. The clamp circuit based on an auxiliary switch and...
A study of the half-bridge converter to achieve zero voltage switching at turn-on is presented. The asymmetrical pulse-width modulation technique is used in the converter to regulate the output voltage and improve the duty cycle utilization. The analysis is presented for the switch stress, output filter components and rectifier diodes. The principle operation based on the mathematical analysis is...
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