基于SVPWM的永磁同步电机矢量控制系统的建模与仿真

The Modeling and Simulation of Vector Control System of PMSM Based on SVPWM

在分析永磁同步电机(PMSM)数学模型和矢量控制(VC)原理的基础上,阐述了电压空间矢量脉宽调制(SVPWM)的原理及算法,并在Matlab/Simulink环境下构建了基于SVPWM的PMSM磁场定向VC系统仿真模型.仿真结果表明,基于SVPWM的控制系统具有更好的控制性能,说明了该仿真模型的正确性和有效性.

On the basis of analyzing the PMSM model and the VC principle, the principle and algorithm of voltage SVPWM is introduced, and the field-oriented VC system simulation model based on SVPWM for PMSM is constructed on the Matlab/Simulink environment. The simulation results show that the control system based on SVPWM has better performance, proving the validity and effectiveness of the simulation model based on SVPWM.