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Single-Phase Cascaded Multilevel Rectifier Using Totem-Pole Bridgeless Cells

机译:使用图腾柱无桥电池的单相级联多电平整流器

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摘要

Rectifier topologies with reduced switch count can be employed in unidirectional power flow applications. These configurations have the advantages of less necessary driver circuits, since some power switches are replaced by diodes, and high reliability. Following this trend, the present work proposes a multilevel AC/DC converter composed of cascaded Totem-Pole Bridgeless cells with independent outputs. This structure is achieved by replacing one leg of switches of the traditional Full-Bridge cell by a diode leg. The operation analysis of the proposed topology is presented as well as simulation and experimental results to validate the theoretical approach.
机译:可以在单向电力流量应用中使用具有减小的开关计数的整流拓扑。这些配置具有较低的驱动器电路的优点,因为某些电源开关被二极管替换,并且可靠性高。在此趋势之后,本工作提出了一种由具有独立输出的级联图腾杆无桥细胞组成的多级AC / DC转换器。通过二极管腿代替传统全桥电池的开关的一条腿来实现这种结构。提出了所提出的拓扑的操作分析以及仿真和实验结果,以验证理论方法。

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