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双向移相全桥变换器瞬态电压过冲行为的分析与建模

Analysis and Modeling of Transient Voltage Overshoot Behaviors in Bidirectional Phase-Shift Full-Bridge Converters

语言:

中文摘要

随着可再生能源、电动汽车及直流微电网的发展,高功率密度、高效率的双向电池充电器需求激增。移相全桥(PSFB)变换器作为宽电压范围电池接口的核心组件,其瞬态电压过冲问题直接影响系统可靠性。本文深入分析并建模了该变换器的瞬态行为,为优化电路设计提供了理论支撑。

English Abstract

The growing advancements in renewable energy, EVs, and dc microgrids are driving the demand for high-density, high-efficiency bidirectional battery chargers. An essential component in these systems is an isolated dc–dc converter that interfaces with a battery operating across a variable voltage range. Phase-shift full-bridge (PSFB) converters have gained significant attention in battery charging a...
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SunView 深度解读

该研究直接关联阳光电源的储能系统(PowerTitan、PowerStack)及电动汽车充电桩业务。双向DC-DC变换器是储能PCS的核心拓扑,电压过冲分析对于提升功率模块的可靠性、降低器件应力及优化磁性元件设计至关重要。建议研发团队利用该建模方法,在PCS产品设计阶段精准评估宽电压范围下的瞬态响应,从而在保证高效率的同时,提升系统在复杂电网环境下的耐受能力,进一步优化Power系列产品的功率密度与长效运行稳定性。