Simulation of vector controlled adjustable speed System of induction motor based on Simulink

Based on the analysis of induction motor dynamic mathematical model and the vector control principle, the construction of the motor control system has been completed. Asynchronous AC induction motor module, the vector controller module, Park transform module, inverter module, module flux, as well as current control, speed-conditioning module have been set up by adopting the idea of modular in Matlab / Simulink environment. Through the organic integration of functional modules, the vector control induction motor system has been constituted. Simulation results show the changes in the motor load torque, the dynamic changes of speed curve, which demonstrate that the real system can be well simulated with fast dynamic response speed, steady-state small of static error, and strong ability of anti-load disturbance.