基于改进模型预测控制的三相并网 逆变器控制策略研究.

In order to solve the problem that the traditional finite set model predictive control applied to grid-connected inverter has delay and inductance varying with the working state, an improved finite set model predictive control method is proposed. By increasing the two sets of switching voltage vectors to reduce the current approximation error, the cost function value is minimized. And the inductance value is predicted in real time based on the idea of model predictive control. The improved finite set model predictive control method can realize the real-time tracking of the inductance value, improve the control precision, and effectively reduce the total harmonic distortion. Simulation and experimental results verify the feasibility and effectiveness of the algorithm. [ABSTRACT FROM AUTHOR]