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交错并联磁耦合双向DC-DC变换器非对称耦合电感的研究

, PP. 147-156

Keywords: 双向DC-DC变换器,交错并联磁耦合,非对称耦合电感,设计准则

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Abstract:

对三通道Buck+Boost交错并联双向DC-DC磁耦合变换器运行在Buck模式下的稳态电流纹波和暂态电流响应速度进行了深入研究,同时研究了耦合电感的不对称性对变换器性能的影响,分析了磁耦合变换器的占空比、电感耦合系数对稳态通道电流纹波、暂态总输出电流响应速度的影响,进而总结出三通道Buck+Boost交错并联双向DC-DC磁耦合变换器运行在Buck模式下的设计准则,即在设计这种变换器时,利用本文所给出的设计公式和设计区域设计相关参数。最后通过仿真和实验验证了理论分析的正确性。

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