基于STM32的三相交流异步电机调速系统的设计

Three-phase AC Induction Motor Speed Controller Based on STM32

以芯片STM32F103ZET6微处理器为主控芯片心,采用恒压频比的变频调速方式设计了三相交流异步电动机的调速系统。详细介绍了该系统硬件电路,主要包括交-直-交电压型变频电路、电流/电压检测电路、辅助电源电路等。实现了交流电机的转速闭环控制,该系统体积较小、精度较高、操作简单方遍、可扩展性强。

The speed control system has the advantages of small volume,high precision,simple operation and strong ex- pansibility.The speed regulating system of three -phase AC asynchronous motor is designed based on microprocessor STM32F103ZET6 and the frequency conversion of constant voltage frequency ratio is adopted in this paper.The hardware circuit of the system is introduced in detail,including AC-DC-AC voltage type frequency conversion circuit,current/voltage detection circuit,auxiliary power circuit,etc.The closed loop speed control of AC motor is realized.