High Performance of v/f Method Based on PID Controller with Space Vector Modulation to Modified Permanent Magnet Synchronous Machine

摘要

This paper deals with the problem of v/f control of permanent magnet synchronous machine which is the open loop v/f method is inherently unstable. In order to overcome the v/f problems, the pi control is used to optimize the rotor speed and to achieve close loop for system as results to enhance the PMSM system. In addition, the space vector modulation is used to eliminate the pwm problems and to modified the efficiency of system. The simulation results of system with PID controller and SVM demonstrate that the system is more effective with high performance.