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

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無軸承異步電機SVM-DTC控制研究與設(shè)計

來源:電工電氣發(fā)布時間:2016-08-01 14:01 瀏覽次數(shù):7
無軸承異步電機SVM-DTC控制研究與設(shè)計
 
朱明祥,姚偉星
(南京師范大學(xué)泰州學(xué)院 電力工程學(xué)院,江蘇 泰州 225300)
 
    摘 要:針對無軸承電機在高速傳動領(lǐng)域使用中存在的問題,提出來一種基于空間電壓矢量調(diào)制的直接轉(zhuǎn)矩控制方法。建立了無軸承異步電機的數(shù)學(xué)模型,構(gòu)建了以懸浮繞組模塊、旋轉(zhuǎn)繞組模塊和氣隙磁場計算模塊為主要構(gòu)成的系統(tǒng)框圖。仿真結(jié)果表明,通過使用SVM-DTC 的控制方法,無軸承異步電機能夠具有較好的動靜態(tài)性能,但是不可避免地產(chǎn)生了速度的超調(diào)及轉(zhuǎn)矩和磁鏈的波動。
    關(guān)鍵詞:無軸承異步電機;SVM-DTC 控制系統(tǒng);MATLAB 仿真
    中圖分類號:TM343      文獻標(biāo)識碼:A     文章編號: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
 
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