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基于双重移相控制的双向全桥DC-DC变换器动态建模与最小回流功率控制

, PP. 245-253

Keywords: 双重移相控制,双向全桥DC-DC变换器,软开关,回流功率,效率

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Abstract:

通过分析双重移相控制下双向全桥DC-DC变换器的软开关约束条件及功率传输特性,提出了满足软开关条件的基于最小回流功率的双重移相控制策略,建立了双重移相控制下变换器的动态小信号模型。最后,通过实验样机,分析了基于最小回流功率双重移相控制策略的变换器动态和稳态特性,对动态模型和最小回流功率控制策略进行了验证。实验结果表明了采用基于最小回流功率控制对提高变换器效率的有效性。

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