矩阵变换器与直接转矩控制技术的融合研究

Research on Direct Torque Control System Based on Matrix Converter

通过电机定子磁链的增量实时计算出矩阵变换器的期望输出电压矢量,结合矩阵变换器双空间矢量调制策略和异步电机直接转矩控制技术,实现了采用矩阵变换器供电的异步电机直接转矩控制.利用Matlab/Simulink构建了系统模型,给出了仿真结果.结果表明,系统运行稳定,具有优良的动静态性能.

The reference voltage output vector of matrix converter is calculated in real time based on the increment of the stator flux,and combined with the double space vector modulation strategy and direct torque control technique,the direct torque control system of induction motor fed by matrix converter is implemented.Simulation results prove the rationality and validity of the algorithm.