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A novel integrated current doubler rectifier

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4 Author(s)
Peng Xu ; Bradley Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA ; Qiaoqiao Wu ; Pit-Leong Wong ; F. C. Lee

This paper presents an innovative current doubler rectifier, which integrates all the magnetic components into a single core and minimizes the number of high current windings. Compared to the conventional approach, the proposed integrated magnetic structure features reduced core loss, smaller core size, and reduced AC conduction losses, all while still reducing winding losses. The new rectification circuit can be applied to many topologies. An asymmetrical half-bridge converter was used as one attractive example to demonstrate the operation and performance of the proposed structure. A prototype featuring 400 V input, 48 V output, 200 kHz switching frequency, and 1 kW output power was also developed based on this topology

Published in:

Applied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE  (Volume:2 )

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