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Survey on topologies based on the three-state and multi-state switching cells

机译：在三态和多态交换单元上基于拓扑的调查<？显示[AQ = “ ” ID = “ Q1] ”>

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摘要

The introduction of the three-state switching cell (3SSC) and the multi-state switching cell (MSSC) has led to the proposal of several converter topologies, where prominent characteristics regarding reduced dimensions of filter elements, high efficiency, and increase of maximum power levels are achieved. Even though the active switches associated to the 3SSC and MSSC are driven by signals obtained from multiple phase-shifted carriers similarly to the interleaving technique, there are significant differences between the aforementioned approaches. Within this context, this work intends to analyse several converter topologies employing the 3SSC and MSSC that were previously reported in the literature. An overview of important concepts regarding interleaved and 3SSC-based converters is initially presented, as potential advantages and drawbacks are discussed in detail. Besides, it is also shown how the 3SSC and MSSC can be employed in the conception of power converter topologies for distinct applications, e.g. high-voltage step-up non-isolated dc-dc converters, power factor correction rectifiers, and multilevel inverters.
机译：三态开关单元（3SSC）和多态开关单元（MSSC）的引入导致提出了几种转换器拓扑结构的建议，其中有关降低滤波器元件尺寸，提高效率和增加最大功率的突出特点水平达到。即使与3SSC和MSSC关联的有源开关由与交错技术相似的从多个相移载波获得的信号驱动，上述方法之间仍存在显着差异。在这种情况下，这项工作旨在分析先前采用文献报道的采用3SSC和MSSC的几种转换器拓扑。最初介绍了有关交错式和基于3SSC的转换器的重要概念，并详细讨论了潜在的优缺点。此外，还示出了如何将3SSC和MSSC用于功率转换器拓扑的概念中，以用于不同的应用，例如图3。高压升压非隔离式DC-DC转换器，功率因数校正整流器和多电平逆变器。

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