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一种具有全控制范围的跨反耦合电感半SEPIC DC/DC变换器

A Trans-Inverse Coupled-Inductor Semi-SEPIC DC/DC Converter With Full Control Range

语言:

中文摘要

本文提出了一种具有高电压增益的单开关磁耦合DC/DC变换器。其主要特点包括:1)通过降低磁匝比提高电压增益;2)具备0到1的全占空比控制范围;3)输入电流连续,适用于可再生能源应用;4)有效降低了功率器件的电压应力。

English Abstract

This letter proposes a single switch magnetically coupled dc-dc converter with a high voltage gain. The unique features of the converter are summarized as follows: 1) voltage gain of the converters is raised by lowering its magnetic turn ratio; 2) wide control range (0 <; D <; 1); 3) continuous current from the source that makes it a suitable candidate for renewable energy applications; and 4) the...
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SunView 深度解读

该拓扑结构通过磁耦合技术实现了高电压增益和连续输入电流,非常契合阳光电源组串式光伏逆变器(String Inverters)及户用光伏系统(Residential PV)的前级DC/DC升压需求。在分布式光伏应用中,该技术有助于减小磁性元件体积,提升功率密度,并降低开关管电压应力,从而选用更低成本或更高效率的功率器件。建议研发团队评估其在小功率户用逆变器中的应用潜力,重点关注其在宽输入电压范围下的效率表现及电磁兼容性(EMC)设计,以进一步优化产品竞争力。