永磁同步电机的基于svpwm的矢量控制模型，低于2000转恒转矩，2000-4000恒功率-Permanent magnet synchronous motor vector control model based on svpwm, constant power below 2000 rpm constant torque ,2000-4000

直接转矩控制永磁同步电机，效果好，简单可靠。对初学者很有帮助-Direct torque control of permanent magnet synchronous motor, the effect is good, simple and reliable. Is very helpful for beginners