Abstract
This paper presents a bidirectional flyback- push-pull dc-dc converter. The main characteristics of the proposed converter are galvanic isolation by high- frequency transformers, high efficiency, reduced number of components and low current ripple at both the input and output DC power supplies. The typical applications include isolated bidirectional interface between two low voltage DC buses, where low current ripple is required. The study presents theoretical analysis, design example and experimental data for an 800 W, 80 VDC input, 160 VDC output and 50 kHz of switching frequency, on the laboratory prototype. The measured performance and theoretical predictions were in good agreement.
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