Model Predictive Control of LCL Three-level Photovoltaic Grid-connected Inverter

被引：0
|
作者：
Liang, Cheng [1 ]
Tian, Engang [1 ]
Pang, Baobing [1 ]
Li, Juan [1 ]
Yang, Yang [1 ]
机构：
[1] Nanjing Normal Univ, Sch Elect & Automat Engn, Nanjing 210042, Jiangsu, Peoples R China
来源：
2018 2ND INTERNATIONAL WORKSHOP ON RENEWABLE ENERGY AND DEVELOPMENT (IWRED 2018) | 2018年 / 153卷
关键词：
D O I：
10.1088/1755-1315/153/4/042023
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this paper, neutral point clamped three-level inverter circuit is analyzed to establish a mathematical model of the three-level inverter in the alpha beta coordinate system. The causes and harms of the midpoint potential imbalance problem are described. The paper use the method of model predictive control to control the entire inverter circuit ([1]). The simulation model of the inverter system is built in Matlab/Simulink software. It is convenient to control the grid-connected current, suppress the unbalance of the midpoint potential and reduce the switching frequency by changing the weight coefficient in the cost function. The superiority of the model predictive control in the control method of the inverter system is verified.
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页数：6
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