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Analysis, design and implementation of zero-current transition interleaved boost converter

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4 Author(s)
M. Rezvanyvardom ; Department of Electrical Engineering, Isfahan University of Technology, Isfahan, Iran ; E. Adib ; H. Farzanehfard ; M. Mohammadi

In this study, a new interleaved zero-current transition pulse-width modulation (PWM) boost converter, which uses only one auxiliary switch to provide soft-switching condition is presented and analysed. In order to reduce switching losses and to obtain high efficiency, a non-dissipative soft-switching cell is used. In the proposed interleaved converter, soft switching is obtained for all semiconductor devices. The main and auxiliary switches turn on and off under zero-current condition. Thus, the reverse-recovery losses of boost diodes are reduced and also, high efficiency is achieved owing to reduction of switching losses. Also, implementation of control circuit is simple since the proposed circuit is controlled by PWM method. Operating principles, theoretical analysis, the design procedure along with a design example are described and verified experimentally. Experimental results are presented to justify the validity of theoretical analysis.

Published in:

IET Power Electronics  (Volume:5 ,  Issue: 9 )