异步电机无速度传感器变频调速系统设计及仿真实验分析  

Design and Analysis of Speed Regulation System for Instep Ous Motor

作　　者：杨荣军[1] YANG Rongjun(Shaanxi Qunli Electric Engineering Co.,LTD.,Baoji 721300,Shaanxi,China)

机构地区：[1]陕西群力电工有限责任公司,陕西宝鸡721300

出　　处：《电气传动自动化》2023年第3期1-4,共4页Electric Drive Automation

摘　　要：异步电机无速度传感器变频调速系统主要包括坐标变换模块、空间矢量脉宽调制模块、电流PI调节器、速度PI调节器、转子速度估算模块以及磁链观测模块。研究过程中针对以上各个模块的功能、特点提出设计方案,并利用MATLAB软件对设计结果进行了仿真实验。结果表明:该系统能够达到设计预期,转速估算的误差仅为2r/min,足以满足工程化应用。The variable frequency speed regulation system of asynchronous motor mainly includes coordinate transformation module,space vector pulse width modulation module,current PI regulator,speed PI regulator,rotor speed estimation module and magnetic chain observation module.In the process of research,the design scheme is proposed according to the functions and characteristics of the above modules,and the design results are simulated by MATLAB software.The results show that the system can meet the design expectation,and the error of the rotation speed estimation is only 2 r/min,which is enough to meet the engineering application.

关 键 词：异步电机 无速度传感器 变频调速系统 设计 仿真 

分 类 号：TM346.2[电气工程—电机]