High speed, big package, acmotordrives beam directly, controlled by PLC. Stepless speed regulated by inverter, winding at a constant linear speed.
高速度、大卷装、交流电机直接拖动经轴，并由plc控制，变频器实现无级调速，恒线速卷绕。
2
The precise motor parameters affect the quality of the motor control system seriously in high performance acdrives of induction machine.
感应电机高性能交流调速方法中，电机参数的准确性严重影响着电机控制系统的控制品质。
3
Direct Torque Control (DTC) has the advantages of less reference frame commutation-computation and less influence by motor parameter variations in ACdrives system.