An extendable single‐switch n‐cell boost converter with high voltage gain and low components stress for renewable energy,International Journal of Circuit Theory and Applications

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An extendable single‐switch n‐cell boost converter with high voltage gain and low components stress for renewable energy
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2020-04-27 , DOI: 10.1002/cta.2801
Guidong Zhang ₁ , Haodong Chen ₁ , Shenglong Yu ₂ , Bo Zhang ₃ , Yanfeng Chen ₃ , Herbert Iu ₄ , Yun Zhang ₁

Affiliation

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.

中文翻译：

具有高电压增益和低组件应力的可扩展单开关n单元升压转换器，可再生能源

升压转换器已广泛应用于工业应用中，级联升压转换器是实现超高电压增益的成熟技术。然而，级联结构不可避免地增加了缓冲电容器的电压应力，从而导致高成本和低能量效率。针对这个问题，在本研究中，我们提出了一种新颖的可扩展单开关n单元升压转换器（ESS n B），它使用的元件数量与传统的正输出升压转换器相同，但具有较低的缓冲电压应力。在这项研究中进行了仿真和实验，验证了所提出的ESS n B优于常规升压转换器的有效性和优越性。

更新日期：2020-04-27

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