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一种采用最小电压与最大电流跟踪的IPT系统动态调谐方法

, PP. 32-38

Keywords: 感应电能传输,动态调谐,最大电流,最小电压

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Abstract:

为解决感应电能传输(IPT)系统谐振频率漂移问题,在系统固定工作频率下,分别在发送端与接收端回路加入相控电感电容并联电路;实时检测DC-DC变换器输出直流电压传送给发送端控制器,控制器根据最小电压原则调节发送端回路的等效输出补偿电容值;同时,实时检测接收端线圈电流传送给接收端控制器,控制器根据最大电流原则调节接收端回路的等效输出补偿电容值,最终使得整个IPT系统处于谐振状态。实验结果表明,所提方法有效实现了动态调谐,降低了电源所需容量,提高了系统的传输效率和功率。

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