基于STM32单片机控制的异步电机变频调速设计  

Inductor Motor Frequency Changer Design Based on STM32 MCU Control

作　　者：袁洁仪 仲毅凯 蒋小辉[1] YUAN Jie-yi;ZHONG Yi-kai;JIANG Xiao-hui(College of Science and Technology of China Three Gorges University,Yichang 443002,China)

机构地区：[1]三峡大学科技学院机电系,湖北宜昌443002

出　　处：《通信电源技术》2020年第15期71-73,共3页Telecom Power Technology

摘　　要：分析异步电动机的控制原理与变频特性后,建立交-直-交变频(VVVF)电路,并对其主体电路、控制电路、采样电路和保护电路进行分析。同时,将STM32F103单片机作为主控单元,在利用MATLAB仿真分析SPWM的控制原理后,绘制出对应的波表并存储在单片机中。单片机通过对波表的改变,实现SPWM控制技术达到变频目的,从而出色完成变频功能。The paper analyzes the frequency character and control method of Inductor Motor.Build the Variable Voltage Variable Frequency(VVVF)Circuit to analyze the main circuit,control circuit,sampling circuit and protect circuit.Taking the MCU of STM32F103 as the mainly control unit and make the simulation of Sinusoidal Pulse Width Modulation(SPWM),recorded data as a table.MCU save the table into the memorizer.The method is based on change the saving table to control the output SPWM,which can change the frequency successfully.

关 键 词：交-直-交变频电路 异步电机 SPWM控制技术 

分 类 号：TM9[电气工程—电力电子与电力传动]