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A novel interleaved flyback converter with leakage energy recycled is proposed. The proposed converter is combined with dual-switch dual-transformer flyback topology. Two clamping diodes are used to reduce the voltage stress on power switches to the input voltage level and also to recycle leakage inductance energy to the input voltage and capacitor. Besides, the interleaved control is implemented...
Bidirectional DC-DC converters are used in many applications when bidirectional energy transfer between two DC buses is needed. This paper presents a bidirectional dc-dc converter with coupled inductor. High voltage conversion ratio is achieved and the leakage-inductor energy is recycled in both discharge mode and charge mode. Also, the switch voltage stress is reduced by the clamping circuit to achieve...
In this paper, a novel high step-down DC-DC converter is proposed. The voltage conversion gain of this converter is Vo/Vin=D2. By using the interleaved control, the output current ripple is reduced and the transient response is improved. The operating principles and small-signal analysis are discussed. Finally, a laboratory prototype circuit with input voltage 12 V and output 1.5 V / 50 A is implemented...
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