三相异步电机的控制；电压源逆变器，采用电流滞环控制；典型的异步电动机按转子磁链定向的矢量控制，磁链与转矩实现解耦。-Three phase induction motor control　voltage source inverter, the current hysteresis control　the typical asynchronous motor by rotor flux oriented vector control, flux linkage and torque decoupling.