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一种面向宽范围高效率性能的多结构多模式三相双有源桥变换器

A Multistructure Multimode Three-Phase Dual-Active-Bridge Converter Targeting Wide-Range High-Efficiency Performance

语言:

中文摘要

三相双有源桥(3p-DAB)变换器是高功率双向功率转换的理想拓扑。然而,导通损耗和开关损耗限制了其在宽运行范围下的效率。本文提出了一种可重构的多结构多模式控制方案,旨在通过优化调制策略,显著提升变换器在全功率范围内的效率表现。

English Abstract

A three-phase dual-active-bridge (3p-DAB) converter is an attractive topology for bidirectional power conversion in high-power applications. However, conduction and switching losses are two main loss mechanisms that severely affect its efficiency performance, and adoption of any single modulation scheme or topology cannot minimize these losses over a wide operating range. For this purpose, a recon...
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SunView 深度解读

该技术对阳光电源的储能业务(如PowerTitan、PowerStack系列)具有极高的应用价值。目前阳光电源的大功率储能变流器(PCS)广泛采用DAB拓扑以实现高效的双向DC-DC变换。该研究提出的多模式控制策略能有效解决PCS在部分负载或宽电压范围下的效率瓶颈,有助于进一步提升系统整体能效(RTE)。建议研发团队关注该拓扑的可重构特性,将其引入下一代高功率密度储能变流器设计中,以优化散热需求并降低系统运行成本。