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New mixture of hybrid stacked multicell with half-cascaded converter to increase voltage levels

机译：混合堆叠多节电池与半级联转换器的新混合物，可提高电压水平

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摘要

This study presents a new topology of hybrid stacked multicell (SM) converter which generates high number of output voltage levels with fewer number of power electronic switches. The proposed topology is composed of three parts including traditional SM converter, half-cascaded converter and H-bridge converter. In other words, this converter is the mixture of H-bridge converter and SM converter series with half-cascaded converter. Number of output voltage levels and the rootmean- square value in proposed converter is four times than that of traditional flying capacitor multicell and SM converters. Moreover, it improves output voltage frequency spectrum and decreases the number and rating of components, stored energy and rating of flying capacitors which are available in the proposed converter. For switching this converter, phase-shifted pulse-width modulation method has been used. Therefore the self-balancing trait of the flying capacitor converter is preserved in presented converter. The suggested topology is simulated using MATLAB/SIMULINK software, and simulation results are presented to indicate the well-performance of the novel converter. In addition, the experimental results of proposed topology prototype have been presented to validate its practicability.
机译：这项研究提出了一种混合堆叠多单元（SM）转换器的新拓扑，该拓扑可生成数量众多的输出电压电平，而电源电子开关的数量则更少。提出的拓扑结构由传统的SM转换器，半级联转换器和H桥转换器三部分组成。换句话说，该转换器是H桥转换器和SM转换器系列与半级联转换器的混合。所提出的转换器中的输出电压电平数目和均方根值是传统飞跨电容器多单元和SM转换器的四倍。此外，它改善了输出电压频谱，并减少了所建议的转换器中可用的组件数量和额定值，储能和飞跨电容器的额定值。为了切换该转换器，已经使用了相移脉冲宽度调制方法。因此，在提出的转换器中保留了飞跨电容器转换器的自平衡特性。使用MATLAB / SIMULINK软件对建议的拓扑进行了仿真，并给出了仿真结果以表明新型转换器的良好性能。此外，提出了拓扑原型的实验结果，以验证其实用性。

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