矿井用异步电动机直接转矩控制低速性能的仿真分析

摘要

This paper introduced the performance analysis of mining of low-speed asynchronous motor, and described the basic composition and principal of mathematical model and direct torque control system of asynchronous motor. Built a simulation model of the direct torque control system, and described the main module of thia simulation model on Matlab/Simulink. Simulation results verify the correctness of the model and the rapid dynamic response features of this system.%介绍了对矿用异步电动机的低速性能分析的必要性,并阐述了异步电动机的数学模型、直接转矩控制系统的基本组成和工作原理.在Matlab/Simulink平台上搭建了异步电动机直接转矩控制调速系统的仿真模型,并对仿真模型中的主要模块进行了描述.仿真结果验证了该模型的正确性和整个系统的快速动态响应特性.