【摘要】 从建立异步电动机 PWM变频调速系统数学模型入手 ,导出了系统对负载扰动的传递函数。针对电机定子频率和电机参数变化 ,对系统稳定性进行了实例计算和分析。更多还原

【Abstract】 The mathematical model of induction machine PWM variable speed system is presented.Based on which,the transfer function of system for load disturbance is derived.To change of motor stator frequency and motor parameter,the example calculating and analyse for system stability is carried on.更多还原