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Inner current control method for modular multilevel converter applied in motor drive

机译:电机驱动中模块化多电平变频器的内电流控制方法

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This paper presents the modular multilevel converter as medium voltage motor driver. An investigation of the capacitor requirements is performed and a novel control method, based in the inner current control, is proposed. This method can ensure the capacitor balancing as well minimizes the harmonic current in the converter phases. The control method is evaluated by computational simulations of a three-phase driver of a 350 kW, 2.3 kV induction motor. The simulated results have proven the effectiveness of the control structure in the startup procedure and steady state operation.
机译:本文介绍了模块化多电平转换器作为中压电动机驱动器。对电容器的需求量进行了研究,提出了一种基于内部电流控制的新型控制方法。这种方法可以确保电容器平衡,并最大程度地减小转换器相中的谐波电流。该控制方法通过对350 kW,2.3 kV感应电动机的三相驱动器的计算仿真进行评估。仿真结果证明了该控制结构在启动过程和稳态运行中的有效性。

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