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基于平均等效模型的LLC谐振变换器双环控制器

Dual-Loop Controller for LLC Resonant Converters Using an Average Equivalent Model

语言:

中文摘要

LLC谐振变换器因其高效率和高功率密度,在电池充电器、电动汽车及高效电源领域应用广泛。然而,传统PWM变换器的平均建模技术难以直接应用于LLC变换器。本文提出了一种基于平均等效模型的双环控制策略,旨在实现更精确的输出电压调节,提升系统动态响应性能。

English Abstract

LLC resonant converters have gained popularity in a wide number of industrial applications due to their high efficiency and power density. Common applications of these converters are battery chargers, electric vehicles, and high-efficiency power supplies, which require tight output voltage regulations. However, traditional averaging techniques employed in pulse width modulation converters cannot b...
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SunView 深度解读

LLC谐振变换器是阳光电源核心产品线(如电动汽车充电桩、储能系统PCS及户用光伏储能一体机)中的关键DC-DC拓扑。该文提出的双环控制策略能够有效解决LLC变换器在宽负载范围下的动态调节难题,对于提升充电桩的输出精度和储能PCS的充放电效率具有重要参考价值。建议研发团队在下一代高功率密度模块设计中引入该平均等效建模方法,以优化控制环路设计,缩短产品开发周期,并进一步提升系统在复杂工况下的稳定性。