Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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无轴承异步电机SVM-DTC控制研究与设计

来源:电工电气发布时间:2016-08-01 14:01 浏览次数:7
无轴承异步电机SVM-DTC控制研究与设计
 
朱明祥,姚伟星
(南京师范大学泰州学院 电力工程学院,江苏 泰州 225300)
 
    摘 要:针对无轴承电机在高速传动领域使用中存在的问题,提出来一种基于空间电压矢量调制的直接转矩控制方法。建立了无轴承异步电机的数学模型,构建了以悬浮绕组模块、旋转绕组模块和气隙磁场计算模块为主要构成的系统框图。仿真结果表明,通过使用SVM-DTC 的控制方法,无轴承异步电机能够具有较好的动静态性能,但是不可避免地产生了速度的超调及转矩和磁链的波动。
    关键词:无轴承异步电机;SVM-DTC 控制系统;MATLAB 仿真
    中图分类号:TM343      文献标识码:A     文章编号:1007-3175(2016)07-0013-03
 
Research and Design of SVM-DTC Control of Bearingless Induction Motor
 
ZHU Ming-xiang, YAO Wei-xing
(School of Electrical Engineering, Taizhou College of Nanjing Normal University, Taizhou 225300, China)
 
    Abstract: Aiming at the use of bearingless motor in the high speed transmission field, this paper proposed a kind of direct torque control method (DTC) based on space voltage vector modulation (space voltage vector modulation). The mathematical model of bearingless induction motor was established. The system block diagram included the suspension winding module, the rotating winding module and the air gap magnetic field calculation module. The simulation results show that the bearingless induction motor is in possession of better static and dynamic performance, unavoidable overshoot of velocity and fluctuation of torque and flux linkage.
    Key words: bearingless induction motor; space voltage vector modulation-direct torque control; MATLAB
 
参考文献
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