摘要
针对永磁同步电动机的特点,结合直接转矩控制方案,对永磁同步电动机直接转矩控制方法和调速控制问题进行了深入的研究。介绍了三相永磁同步电动机在转子坐标系下的数学模型,再以三相永磁同步电动机为基础,分析了永磁同步电动机直接转矩控制系统的原理。仿真结果表明,不同参考转速给定下的系统具有更好的适应性。
Permanent magnet synchronous motor （PMSM） belong to a kind of strong coupled nonlinear system. The speed-adjusting problem of PMSM was discussed, which is considering the characteristics of PMSM and combining direct torque control （DTC） method together. According to the theory of motor, the maths model of PMSM is set up under rotor coordinate first in the article. Then the principle of DTC method is raised based on PMSM. Simulation results indicate that the system not only has higher dynamic performance, but also improves the adaptability for different reference speed.
出处
《机电一体化》
2010年第12期17-19,共3页
Mechatronics
关键词
永磁同步电动机
空间矢量
交流调速
直接转矩控制
permanent magnet synchronous motor （PMSM） space vector AC speed-adjusting system direct torque control（DTC）
