An extendable single-switch n-cell boost converter with high voltage gain and low components stress for renewable energy

Guidong Zhang, Haodong Chen, Shenglong Yu, Bo Zhang, Yanfeng Chen, Herbert Iu, Yun Zhang

Research output: Contribution to journalArticle

Abstract

Boost converters have been widely employed in industrial applications, and cascading boost converters is a mature technique to realize ultrahigh voltage gains. However, the cascade structure inevitably increases the voltage stress of buffer capacitors, resulting in high costs and low energy efficiency. Targeting this issue, in this study, we propose a novel extendable single-switch n-cell boost converter (ESSnB), which utilizes the same number of components as the conventional positive output boost converter, but has lower buffer voltage stresses. Simulation and experimentation are conducted in this study, which verify the effectiveness and superiority of the proposed ESSnB over conventional boost converters.

Original languageEnglish
Pages (from-to)817-831
Number of pages15
JournalInternational Journal of Circuit Theory and Applications
Volume48
Issue number6
DOIs
Publication statusPublished - 1 Jun 2020

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