【摘要】 研究了两相逆变器供电异步电动机系统的 SVPWM 控制技术,该系统可广泛应用于小功率、宽调速范围运行的场合。推导并建立了两相异步电动机的数学模型,分析了两相逆变器驱动两相异步电动机的工作原理和空间矢量的时间分配原则。以一台小功率两相异步电动机为对象,进行了系统仿真,给出该电机采用 SVPWM 方式控制运行时的仿真波形。更多还原

【Abstract】 In this paper,the space vector pulse width modulation (SVPWM) technique for two-phase inverter-fed asynchronous motor is proposed, which can be widely applied in the field of low power and wide adjustable speed.The mathematical model of two-phase asynchronous motor is set.The principle of two-phase inverter-fed asynchronous motor and the time distribution of space vector are analyzed.The paper makes system simulation based on a low power two-phase asynchronous motor,the simulation wave when the motor is running by using control technique of SVPWM is gaven.更多还原