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A new bidirectional dc-dc PWM converter with a steep voltage conversion ratio is proposed in the paper. The proposed converter makes use of coupled inductors to step up small dc voltage to large ones or to step down large dc voltages to small ones. Its switches operate with zero-voltage switching due to a very simple auxiliary circuit that contains a single active switch and a few passive elements...
A new ZCS-PWM dc-dc full-bridge boost converter is proposed in the paper. The proposed converter is well-suited to be used as a fuel cell converter where low input voltage / high output voltage conversion is required. In the paper, the operation of the proposed converter is explained in detail, and its features and design are discussed. The feasibility of the converter is confirmed with results that...
A new soft-switched bidirectional dc-dc converter is proposed in the paper. The proposed converter can operate with soft-switching, a continuous inductor current, fixed switching frequency, and the switch stresses of a conventional PWM converter regardless of the direction of power flow. These features are due to a very simple auxiliary circuit that is operational regardless of the direction of power...
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