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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Vector Control of a Modular Multilevel Matrix Converter Operating Over the Full Output-Frequency Range
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Vector Control of a Modular Multilevel Matrix Converter Operating Over the Full Output-Frequency Range

机译：在整个输出频率范围内工作的模块化多电平矩阵转换器的矢量控制

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摘要

The modular multilevel matrix converter ((MC)-C-3) is an ac-to-ac converter topology suitable for the control of high-power variable-speed drives. The control of this converter is complex, particularly when the two ac system frequencies are similar or identical because large voltage oscillations can be produced in the floating capacitors within the (MC)-C-3. This paper proposes a new vector control system based on nested controllers to regulate the (MC)-C-3 over the full range of frequencies. The proposed control scheme is especially useful to mitigate or eliminate the oscillations that arise when the frequencies are similar. An extensive discussion of the model and control of the (MC)-C-3 is presented in this work. The effectiveness of the proposed vector control system is demonstrated through simulation studies and experimental validation tests conducted with a 27-cell-5kW (MC)-C-3 prototype.
机译：模块化多电平矩阵转换器（（MC）-C-3）是适用于控制大功率变速驱动器的AC / AC转换器拓扑。该转换器的控制非常复杂，尤其是在两个交流系统频率相似或相同时，因为在（MC）-C-3内的浮动电容器中会产生大的电压振荡。本文提出了一种基于嵌套控制器的新型矢量控制系统，可在整个频率范围内调节（MC）-C-3。所提出的控制方案对于减轻或消除频率相似时产生的振荡特别有用。在这项工作中，将对（MC）-C-3的模型和控制进行广泛的讨论。通过对27单元5kW（MC）-C-3原型进行的仿真研究和实验验证测试，证明了所提出的矢量控制系统的有效性。

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