In this paper, a high performance boost converter consisting of an integrated dual-boost converter and a voltage doubler is proposed. The converter possesses quadric voltage gain through single switch and the voltage doubler further increases the voltage gain as the turn ratio rises. The voltage stresses on the switch and diodes are decreased for such cascaded topology. Mathematical analysis of the converter characteristics and design method are presented in detail. The leakage inductances contribute to realizing zero current switching (ZCS) of the diodes in the second boost stage and the doubler and the energy are recycled to the load. Experiments on the 38W prototype are conducted, which verify the advantages of the proposed converter and the upmost efficiency of the system is 92%.
A high performance boost converter with voltage multiplier
2017-08-01
894440 byte
Conference paper
Electronic Resource
English
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