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可变逆变-整流-变压器:一种实现可调高降压比的混合电子与磁性结构

Variable-Inverter-Rectifier-Transformer: A Hybrid Electronic and Magnetic Structure Enabling Adjustable High Step-Down Conversion Ratios

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中文摘要

本文提出了一种名为可变逆变-整流-变压器(VIRT)的混合电子与磁性结构,实现了变压器分数化及可重构的有效匝数比。该技术在宽电压范围和高升/降压变换器中极具价值,能有效减少匝数并优化功率密度,为电力电子变换器设计提供了新的拓扑思路。

English Abstract

This paper proposes a hybrid electronic and magnetic structure named a variable-inverter-rectifier-transformer (VIRT) that enables a transformer with fractional and reconfigurable effective turns ratios (e.g., 12:0.5, 12:2/3, 12:1, and 12:2). This functionality is valuable in converters with wide operating voltage ranges and high step-up/down, as it offers a means to reduce the turns count and cop...
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SunView 深度解读

该技术对阳光电源的组串式逆变器及储能PCS产品线具有重要参考价值。在光伏和储能应用中,面对宽电压范围(如光伏MPPT范围或电池组电压波动),传统的固定匝数比变压器往往导致效率折损。VIRT技术通过可重构匝数比,能显著提升变换器在全电压范围内的效率,并优化磁性元件体积,助力PowerTitan等储能系统实现更高的功率密度。建议研发团队评估该拓扑在双向DC-DC变换器中的应用潜力,以进一步提升系统整体转换效率。