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

L. M. Cúnico, Y. D. de Novaes, A. Nied, S. Oliveira
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引用次数: 12

Abstract

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.
应用于电机驱动的模块化多电平变换器内电流控制方法
本文介绍了一种模块化多电平变换器作为中压电机的驱动器。对电容器的要求进行了研究,提出了一种基于内部电流控制的新型控制方法。该方法既能保证电容器的平衡,又能使变换器各相的谐波电流最小化。通过对350kw, 2.3 kV异步电动机三相驱动器的计算仿真,对该控制方法进行了验证。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。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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