A soft switching bi-flyback converter is presented. Two identical flyback converters are used in the proposed circuit to share the load current. Thus, the transformer copper losses and the conduction losses on the output diodes are reduced. An active snubber is adopted to reduce the voltage spike and realise the ZVS turn-on of switches at the transition interval. Thus, the switching losses and thermal stresses of the semiconductors are reduced. Experiments are provided to verify the effectiveness of the proposed converter.
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