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一种具有耦合电感的低压侧并联高压侧串联ZVS双向高升降压变换器

A High Step-Up/Step-Down LVS-Parallel HVS-Series ZVS Bidirectional Converter With Coupled Inductors

语言:

中文摘要

本文提出了一种具有高电压增益的非隔离双向变换器。通过将两相低压侧并联、高压侧串联的结构与耦合电感集成,实现了高电压增益、低电压应力、电流均衡及电流纹波抵消等特性。

English Abstract

This article introduces a nonisolated bidirectional converter with high-voltage conversion ratio. In the proposed converter, by integrating the two-phase low-voltage-side (LVS)-parallel high-voltage-side (HVS)-series bidirectional converter with the coupled inductors, features, such as high voltage gain, low voltage stresses, current sharing, and current ripple cancelation, are achieved. Due to th...
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SunView 深度解读

该拓扑结构在高电压增益和低电压应力方面的优势,对阳光电源的储能系统(如PowerTitan系列)及组串式光伏逆变器具有重要参考价值。通过采用耦合电感技术,可有效优化PCS模块的功率密度,并降低开关损耗(ZVS),从而提升整机效率。建议研发团队评估该拓扑在电池侧与直流母线侧接口的应用潜力,特别是在高压储能系统需要宽电压范围调节的场景下,利用其电流纹波抵消特性,可进一步延长电池寿命并减小滤波器体积,提升产品竞争力。