High voltage conversion ratio cascade boost converter with DC snubber

Lee, Yuang-Shung; Yu, Ling-Chia; Chou, Tzu-Han

doi:10.1109/ipec.2014.6869582

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2015

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“…A high step up boost converter with couple inductor and charge pump is investigated [7][8][9]. There is an approach which is proposed to connect in cascade dc-dc switching converters to obtain high voltage conversion ratios [10,11]. Cascade boost converter can be supplied for solar energy conversion and weak-power energy harvesting systems successfully [12].…”

Section: Introductionmentioning

confidence: 99%

Design of a cascade high gain soft-switching boost converter

Lee

Lin

2015

2015 IEEE 11th International Conference on Power Electronics and Drive Systems

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This paper proposed a high voltage conversion ratio cascade boost converter topology composed two stages of converters. First stage boosts the input source voltage twice larger by using the double-mode switched-capacitor cells converter (SCC). Second stage provides a high voltage conversion ratio boost converter with a couple inductor and diode-capacitor (DC) snubber. For achieving higher efficiency, soft-switching technique is used to design the proposed converter. The converter topology analysis and design are described in detail. Results of simulation and experimental measurements are carried out to verify the performances of the proposed high voltage conversion ratio cascade boost converter under continuous conduction modes.

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