Abstract
Combining the model predictive control method with the mathematical model of grid connected inverter, a finite control set model predictive control method of grid-tied inverter is proposed. This control method abandons a large number of nonlinear control links and PWM modulation links in the traditional control method, establishes the discrete mathematical model of the inverter, and evaluates the output current of the inverter online. The grid-tied inverter model is built on MATLAB / Simulink simulation platform, and the control algorithm is verified. The results show that the finite set model predictive control achieves the expected effect, and has good steady-state and dynamic characteristics and robustness, and the control method is simple and easy to realize digitization.
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