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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型多电平转换器拓扑：全面综述

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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具有高效率，低谐波注入和小尺寸的DC-AC转换器。与二电平转换器相比，多电平转换器（MLC）更受青睐，因为它具有低谐波注入功能，即使在较低的开关频率值下，也能接受高功率和高电压电平。在减少的交换设备中，MLC是T型拓扑。与传统的中性点钳位转换器相比，本文介绍了T型MLC的不同高级拓扑。讨论了每种拓扑的操作，设计注意事项以及低压应用（例如交流驱动系统），可再生能源的并网集成和动力传动系统应用的性能。此外，阐述了使用增强型半导体开关的设计注意事项。说明了有关MLC的不同研究，例如共模电压消除或降低，开路开关故障诊断，开路和短路故障容限以及T型拓扑的DC链路电容器电压平衡。最后，强调了对未来工作研究方向的建议。

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