| 磁链轨迹法在变频调速系统中的应用 |
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| 引用本文： | 永智群,郭海文.磁链轨迹法在变频调速系统中的应用[J].辽宁工程技术大学学报(自然科学版),2011,30(3):447-450. |
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| 作者姓名： | 永智群 郭海文 |
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| 作者单位： | 华北科技学院 电子信息工程系,河北燕郊,065201 |
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| 基金项目： | 国家“十一五”科技攻关资助项目(2006BAK03B08) |
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| 摘 要： | 为了研究多样化的电动机变频调速方法并推出更加简便易行的系统,在分析磁链轨迹理论的基础上,探讨了一种把电力电子逆变器与电动机视为一体的调速方法。利用改变电力电子逆变器工作模式的方法,产生一组电压空间矢量,该电压空间矢量在电动机定子内的磁链轨迹为逼近圆形的正多边形。磁链的旋转角速度可以通过插入零电压矢量的方法改变,从而实现电动机的变频调速。研究结果表明:该系统具有物理概念清晰,系统结构简单,易于微机实现的特点。
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| 关 键 词： | 磁链轨迹 变频调速系统 电压空间矢量 逆变器 仿真 脉宽调制 |
Application of magnetic flux linkage track in frequency speed conversion system |
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| YONG Zhiqun,GUO Haiwen.Application of magnetic flux linkage track in frequency speed conversion system[J].Journal of Liaoning Technical University (Natural Science Edition),2011,30(3):447-450. |
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| Authors: | YONG Zhiqun GUO Haiwen |
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| Institution: | YONG Zhiqun,GUO Haiwen(Department of Electronic Information Engineering,North China Institute of Science and Technology,Yanjiao 065201,China) |
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| Abstract: | In order to investigate the various frequency speed conversion methods of electric motor and develop a more feasible and simplified system,this paper presents a method of speed conversion through the integration of the electric motor inverter and electric motor.By changing the working mode of electric motor inverter,there will be a set of voltage space vector produced with polygonal magnetic flux linkage which approximates an ideal regular polygon.The rotating angle of the flux linkage can be changed by ins... |
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| Keywords: | magnetic flux linkage track VVVF system voltage space vector inverter simulation pulse width modulation |
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