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基于反向耦合电感的单级双向隔离式DC-AC变换器

Novel Single-Stage Bidirectional Isolated DC–AC Converter Based on Inversely Coupled Inductor

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中文摘要

本文提出了一种基于反向耦合电感的新型单级双向隔离式DC-AC变换器,适用于级联DC-AC固态变压器拓扑。该方案通过简单的调制策略实现了直接的单级功率传输,并详细阐述了其工作原理。

English Abstract

This article proposes a novel single-stage bidirectional isolated dc–ac converter based on an inversely coupled inductor, which is feasible to be used in cascaded dc–ac solid-state transformer topologies. The topology description is presented, followed by a simple modulation scheme, then direct single-stage power transmission can be realized. The operating principles of the converter are given in ...
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SunView 深度解读

该拓扑通过反向耦合电感实现单级功率变换,显著简化了电路结构并提升了功率密度,这对阳光电源的储能变流器(如PowerTitan系列)及固态变压器技术具有重要参考价值。单级变换架构有助于减少功率器件数量,降低系统损耗,从而提升储能系统的整体效率。建议研发团队评估该拓扑在工商业储能及中压并网场景下的应用潜力,特别是针对高压直流接入需求,探索其在提升系统可靠性与减小体积方面的工程化可行性。