用可编程序控制器变频器实现三相异步电动机闭环速度控制的教学实验

A Teaching Experiment on Three-Phase Asynchronous Motor Closed-Loop Speed Control with Programmable Logic Controller and Converter

本文介绍了用可编程序控制器、变频器实现三相异步电动机闭环速度控制的教学实验的系统组成、主要的实验内容以及在教学中的应用。

This papr presents a teaching experiment system on the closed-loop speed control of three-phase asynchronous motor. A Programmable Logic Controller(PLC) and Converter are used as the main components of the system. The system constitution, main contents and applications of the teaching experiment are described in detail.