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Predictive Control of Three-Phase Cascaded Multilevel Inverter

机译:三相级联多电平逆变器的预测控制

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This paper investigates the performance of a Cascaded Multilevel inverter (MLI) controlled by Model Predictive Control (MPC). This inverter can be used for many applications such as for the induction motor drives or the grid connected systems. The cascaded MLI has 125 discrete space voltage vectors out of which many vectors are redundant. In order to reduce the complexity of calculations only 61 non-redundant vectors are used. The simulation is carried out in MATLAB/SIMULINK software and the results obtained are discussed. From the results, it can be verified that the MPC Controlled Cascaded MLI achieves a minimum current Total Harmonic Distortion (THD). Further, it also shows an excellent response when the load is dynamically changed.
机译:本文研究了由模型预测控制(MPC)控制的级联多电平逆变器(MLI)的性能。该逆变器可用于许多应用,例如感应电动机驱动器或并网系统。级联的MLI具有125个离散的空间电压矢量,其中许多矢量是多余的。为了减少计算的复杂性,仅使用61个非冗余向量。仿真在MATLAB / SIMULINK软件中进行,并讨论了获得的结果。从结果可以证明,MPC控制的级联MLI达到了最小电流总谐波失真(THD)。此外,当负载动态变化时,它还显示出出色的响应。

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