基于PI调节器的直接转矩控制系统的研究  

Research on Direct Torque Control Based on PI Regulators

作　　者：陈颖[1] 卓菡[1] 

机构地区：[1]福州大学电气工程与自动化学院,福建福州350108

出　　处：《电工电气》2009年第11期22-24,共3页Electrotechnics Electric

摘　　要：基于PI调节器的直接转矩控制方法通过转矩PI调节和磁链PI调节产生电压矢量,再经坐标旋转变换后得参考电压矢量,该矢量能在一个控制周期内补偿转矩和磁链的误差。用空间矢量脉宽调制(SVPWM)方式控制逆变器的开关状态,能够保持逆变器开关频率恒定。基于Matlab/Simulink的PI-DTC系统仿真研究表明了该方法的有效性。Direct torque control （DTC） method with PI produced a voltage space vector based on Torque PI regulator and stator flux PI regulator. The reference voltage space vector was available through coordination rotation transformation. The vector could compensate for the errors of torque and stator flux in an inverter switching period. Space vector pulse width modulation （SVPWM） pattern was used to keep the frequency of inverter constant. Simulation research of PI-DTC system with Simulink in Matlab shows the validity of this method.

关 键 词：MATLAB/SIMULINK仿真 PI调节 直接转矩控制 空间矢量脉宽调制 

分 类 号：TM921.5[电气工程—电力电子与电力传动]