Finally, the torsion vibration nature frequency and torqueamplitude factor of a rolling mill are calculated by using finite element method.
最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
2
A formula of harmonic current amplitude for CSI PWM is derived in this paper. An objective function of pulsating torque is also derived.
本文推导出电流源逆变器(CSI)脉宽调制(PWM)谐波电流幅值表达式,脉动转矩目标函数。
3
The amplitude of stator flux and torque Angle in permanent magnet synchronous motor (PMSM) are controllable, the implementation method of direct torque control in PMSM is not unique.