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首页> 外文期刊>Arabian Journal for Science and Engineering >T-Type Multilevel Converter Topologies: A Comprehensive Review
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T-Type Multilevel Converter Topologies: A Comprehensive Review

机译：T型多级转换器拓扑：全面审查

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摘要

Renewable energy systems integration prefers DC-AC converters of high efficiency, low harmonic injection and small size. Multilevel converter (MLC) is preferred compared to two-level converter thanks to its low harmonic injection, even at low switching frequency values, and accepting high power as well as voltage levels. Among reduced switching devices count MLCs is the T-type topology. This article introduces a review of the different advanced topologies of T-type MLC in comparison with the conventional neutral point clamped converters. The operation of each topology, the design consideration and the performance in low-voltage applications such as AC drive systems, grid-tie integration of renewable energy and power train drive applications are discussed. In addition, the design considerations using enhanced semiconductor switches are elaborated. Different studies regarding MLCs-like common-mode voltage elimination or reduction, open-switch fault diagnosis, open- as well as short-circuit fault tolerance, and DC link capacitor voltage balancing for T-type topologies-are illustrated. Finally, recommendations for future work research directions are highlighted.
机译：可再生能源系统集成更喜欢高效率的DC-AC转换器，低谐波注入和体积小。由于其低谐波注入，即使在低开关频率值下，多级转换器与两级转换器相比，多级转换器（MLC）是优选的，并且接受高功率以及电压水平。在减少的交换设备中，计数MLC是T型拓扑。本文介绍了与传统中性点夹紧转换器相比的T型MLC不同高级拓扑的审查。讨论了每种拓扑，设计考虑和低电压应用中的性能，如交流驱动系统，可再生能源和动力列车驱动应用的电网系列集成。另外，使用增强型半导体开关的设计注意事项进行了阐述。示出了关于MLC的共模电压消除或减少，开关故障诊断，开放和短路容错公差以及用于T型拓扑的直流链路电容器电压平衡的不同研究。最后，突出了对未来工作研究方向的建议。

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