To improve the switch frequency of the bidirectional DC/DC converters in Hybrid Electrical Vehicle(HEV), a novel three-level topology of the bidirectional DC/DC converter is presented in this paper.

将三电平技术应用到双向DC/DC装置中，可以提高混合动力汽车驱动系统中双向DC/DC装置的开关频率，为此提出了一种新的三电平双向DC/DC变换器拓扑。

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