Model Predictive Control of Multilevel Cascaded H-Bridge Inverters

被引:407
作者
Cortes, Patricio [1 ]
Wilson, Alan [1 ]
Kouro, Samir [2 ]
Rodriguez, Jose [1 ]
Abu-Rub, Haitham [3 ]
机构
[1] Univ Tecn Federico Santa Maria, Dept Elect Engn, Valparaiso 2390123, Chile
[2] Ryerson Univ, Dept Elect & Comp Engn, Toronto, ON M5B 2K3, Canada
[3] Texas A&M Univ Qatar, Doha 23874, Qatar
关键词
Cascaded H-bridge (CHB); current control; inverters; model predictive control (MPC); multilevel inverters; predictive control; MATRIX CONVERTERS; MODULATION; VOLTAGE; DRIVES; TOPOLOGIES; ALGORITHM; STRATEGY;
D O I
10.1109/TIE.2010.2041733
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a model predictive current control algorithm that is suitable for multilevel converters and its application to a three-phase cascaded H-bridge inverter. This control method uses a discrete-time model of the system to predict the future value of the current for all voltage vectors, and selects the vector which minimizes a cost function. Due to the large number of voltage vectors available in a multilevel inverter, a large number of calculations are needed, making difficult the implementation of this control in a standard control platform. A modified control strategy that considerably reduces the amount of calculations without affecting the system's performance is proposed. Experimental results for five-and nine-level inverters validate the proposed control algorithm.
引用
收藏
页码:2691 / 2699
页数:9
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