逆变器双环控制算法仿真研究

Research on inverter's double loop control algorithm by simulation

经典PID控制算法在逆变器中获得广泛应用,但控制效果和精度有待改进和提高,针对此问题,研究了双环控制算法在逆变器控制中的应用,给出了双环控制逆变器的结构,设计了电压环和电流环的控制参数。在MATLAB/Simulink软件中构建了双环控制逆变器的仿真模型,通过仿真,验证了控制参数选择的可行性,证明逆变器在采用双环控制算法时具有好的输出性能。

The classical PID control algorithm is extensively used in inverter, but its control precision should be improved, Being aimed at this problem, double loop control algorithm in inverter＇s control is researched in this paper. The composition of inverter using double loop control algorithm is given, and the parameters＂ of voltage and current are designed. Simulation model of inverter by using double loop control algorithm is constructed .By the way of simulation, the choose of control parameters are tested and verified, and it＇s proved that the inverter has good output performances when double loop control algorithm is used.