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http://dx.doi.org/10.6113/TKPE.2019.24.5.372

A Zero-Current-Zero-Voltage-Transition Boost-Flyback Converter Using Auxiliary Circuit  

Ju, Hyeon-Seung (Dept. of Electronic & Telecommunication Engineering Eng., Inje University)
Choi, Hyun-Chil (Dept. of Electronic Engineering Eng., Inje University)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.24, no.5, 2019 , pp. 372-378 More about this Journal
Abstract
This study proposes a new zero-current-zero-voltage-transition (ZCZVT) boost-flyback converter using a soft switching auxiliary circuit. The proposed converter integrates the boost and flyback converters to increase the voltage with a low duty ratio. The main and auxiliary switches turn the ZCZVT conditions on and off. Thus, the proposed converter has high efficiency. The voltage gain at the steady state is derived, and the inductor volt-second balance and the design guidelines are presented. Finally, the performance of the proposed converter is validated by experimental results from a 200 W, 30 V DC input, 400 V DC output, and 200 kHz boost-flyback converter prototype.
Keywords
ZCT(Zero-Current-Transition); ZCZVT(Zero-Current-Zero-Voltage-Transition); Soft-switching; Boost-flyback converter;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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