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拓扑与电路 LLC谐振 充电桩 双向DC-DC 功率模块 ★ 5.0

LLC谐振变换器中浪涌电流分析及基于脉冲频率调制与移相调制混合控制策略的抑制方法

Surge Current Analysis and Reduction in LLC Resonant Converter With a New Hybrid Control Strategy of Pulse-Frequency Modulation and Phase-Shift Modulation

语言:

中文摘要

高容量电池组的快速充电对交流供电系统造成了更多干扰,因此需要高效且低畸变的智能变换器。本文针对LLC谐振变换器在宽电池电压范围下的浪涌电流问题,提出了一种结合脉冲频率调制(PFM)和移相调制(PSM)的混合控制策略,以优化充电过程并提升系统性能。

English Abstract

Fast charging of high-capacity battery packs contributes to more disruptions in ac-powered systems, thereby increasing the demand for intelligent converters that are both efficient and low in distortion. Therefore, it is crucial to have a battery charger that can respond to the battery's current condition and modify the charging procedure accordingly. To accommodate a wide battery voltage range in...
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SunView 深度解读

该研究直接服务于阳光电源的电动汽车充电桩及储能系统(如PowerTitan/PowerStack)业务。LLC谐振变换器是高功率密度充电模块的核心拓扑,针对宽电压范围下的浪涌电流抑制,能显著提升充电模块的可靠性与效率。建议研发团队将该混合控制策略应用于新一代高压快充模块,以优化轻载及宽电压输出下的动态响应,降低功率器件应力,从而提升充电桩产品的整体寿命与用户体验。