Using Matlab Function in Simulink for Controlling of a Three-phase Grid-Tied Inverter with Output LCL Filter according to Model Predictive Current Control with Runge-Kutta Approximation
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 342
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شناسه ملی سند علمی:
ICSEE02_079
تاریخ نمایه سازی: 8 تیر 1398
چکیده مقاله:
This paper proposes a model predictive current control for a three-phase inverter connected to the grid by using Runge-Kutta approximation method. At this method each of 7 possible switching states are checked to select a state that minimizes the cost function. However, the current ripples cannot decrease to a minimum value. Hence, for having sufficient performance, the sampling frequency should be selected high. In order for finding a solution to this problem, using Runge-Kutta approximation method is introduced. Simulation results verify that, the proposed method by using Runge-Kutta approximation obtain reduced current ripples and lower total harmonic distortions compared to the conventional method by using Forward Euler approximation.
کلیدواژه ها:
model predictive current control ، cost function ، three-phase grid tied inverter ، Runge-Kutta approximation ، Matlab.
نویسندگان
Shahrouz Ebrahimpanah
Affiliation: School of Automation Wuhan University of Technology,WHUT Wuhan,China
Qihong Chen
Affiliation: School of Automation Wuhan University of Technology,WHUT Wuhan,China
Liyan Zhang
School of Automation Wuhan University of Technology,WHUT Wuhan,China