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首页> 外文期刊>European transactions on electrical power engineering >Finite control set model predictive control for static synchronous compensator based on hybrid cascaded H-bridge and neutral point clamped multilevel inverter
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Finite control set model predictive control for static synchronous compensator based on hybrid cascaded H-bridge and neutral point clamped multilevel inverter

机译：基于混合级联H桥和中性点夹紧多晶逆变器的静态同步补偿器有限控制集模型预测控制

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摘要

This paper develops model predictive control with a finite control set (FCS-MPC) for a static synchronous compensator (STATCOM) based on hybrid cascaded H-bridge and neutral point clamped (HC-HNPC) multilevel inverter. By applying FCS-MPC to basic multilevel structures such as the cascaded H-bridge (CHB), the dynamic performance is improved; but, as the number of output voltage levels increases, the method suffers from a high computation burden as a result of a significant number of switching states. In HC-HNPC based STATCOM, the number of power switches and switching states is reduced compared to CHB STATCOM for an equal number of output voltage levels. As a result, while keeping the number of output voltage levels the same as CHB, the FCS-MPC computational burden decreases, and the control objectives are achieved easier. Furthermore, HC-HNPC STATCOM as a hybrid multilevel STATCOM contains different types of cells with different capacitors voltage. Utilizing the introduced FCS-MPC, each capacitor voltage is kept balanced without using a complex balancing system. For a detailed investigation, a single-phase 9-level HC-HNPC is employed in this research. The FCS-MPC control is developed for 9-level HC-HNPC STATCOM and the mathematical equations are extracted. Finally, the control performance is verified by simulation and validated with experimental results.
机译：本文利用用于基于混合级联H桥和中性点钳位（HC-HNPC）多级逆变器的静态同步补偿器（Statcom）的有限控制集（STATCOM）的有限控制集（FCS-MPC）进行模型预测控制。通过将FCS-MPC应用于基本的多级结构，例如级联H桥（CHB），动态性能得到改善;但是，随着输出电压电平的数量增加，该方法由于大量的切换状态而导致的方法遭受高计算负担。在基于HC-HNPC的STATCOM中，与CHB Statcom相比，电源开关和切换状态的数量减少了相同数量的输出电压电平。结果，在保持与CHB相同的输出电压水平的数量的同时，FCS-MPC计算负担降低，并且控制目标易于实现。此外，HC-HNPC STATCOM作为混合多维仪Statcom包含具有不同电容器电压的不同类型的电池。利用介绍的FCS-MPC，每个电容电压保持平衡而不使用复杂的平衡系统。对于详细的研究，本研究采用单相9级HC-HNPC。 FCS-MPC控件是为9级HC-HNPC Statcom开发的，提取数学方程式。最后，通过模拟验证控制性能并用实验结果验证。

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