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提出将串并电容组合结构开关电容网络与传统CukDC DC变换器相结合 ,并采用变结构控制方法 ,令串并电容组合结构的阶数随输入电压而变化 ,以确保CukDC DC变换器在很宽的输入电压动态范围内普遍具有较高的转换效率 .提出令开关电容DC DC变换器的拓扑结构随着输入电压的变化而改变 ,从而解决了开关电容DC DC变换器中输入电压动态范围和转换效率之间的矛盾 .实验结果表明 ,提出的方法是可行的
It is proposed to combine the switched-capacitor network of the series-parallel capacitor combination with the conventional CukDC DC converter and adopt the variable structure control method to change the order of the series-parallel capacitor combination structure with the input voltage to ensure that the CukDC DC converter is very wide Of the input voltage dynamic range generally have a higher conversion efficiency.Presented to make the topology of the DC-DC converter switching capacitor with the input voltage changes, thus solving the DC-DC converter switching capacitor dynamic range of the input voltage and conversion The contradiction between efficiency.Experimental results show that the proposed method is feasible