摘要
在分析电力推进船舶中推进电机-永磁同步电机(PMSM)的数学模型的基础上,提出直接转矩控制空间电压矢量调制(DTC-SVM)方法,并在MATLAB/Simulink环境下建立了永磁电机DTC-SVM仿真模型。最后,结合电力推进系统中螺旋桨负载特性对推进电机的调速性能进行了仿真。结果表明,永磁电机DTC-SVM较传统的DTC转矩脉动大幅减小,且起动加速过程有良好的响应特性。
A novel control method using space vector pulse width modulation （SVPWM） is proposed based on the analysis of the mathematics model of permanent magnet synchronous motor （PMSM） which is used as the propulsion motor in ship electric propulsion systems. Then, a DTC-SVM model of PMSM is founded. At last, the validity of the speed control performance of propulsion motor with propeller load is verified by simulation. The results indicate that DTC - SVM can reduce torque ripple greatly and have good response performance in the process of start and speedup.
出处
《电气开关》
2008年第2期32-35,共4页
Electric Switchgear
