电工技术学报  2015, Vol. 30 Issue (10): 101-107    DOI:
电机与电器 |
对转永磁同步电机直接转矩控制
姜燕, 黄钟, 成双银, 黄守道
湖南大学国家电能变换与控制工程技术研究中心 长沙 410082
A Direct Torque Control Strategy of Counter-Rotating Permanent Magnet Synchronous Motors
Jiang Yan, Huang Zhong, Cheng Shuangyin, Huang Shoudao
National Engineering Research Center of Energy Conversion and Control Hunan University Changsha 410082 China
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摘要 针对对转永磁同步电机在双边转子负载不平衡情况下运行时易出现双转子失步的问题,本文在分析对转永磁同步电机数学模型和空间磁链矢量关系的基础上,提出一种基于转矩角的双转子直接转矩控制策略。所述方法以转矩角控制为出发点,在双边转子负载不平衡时,通过观测双边转子转矩角并加以限制,实时调节定子磁链位置,控制转矩角在限定范围内,实现对双边转子转矩的分时调控。仿真与实验结果表明,本文提出的控制策略能保持双边转子转速同步跟踪给定转速,有效防止系统受到不平衡负载扰动时出现双边转子失步的现象。
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姜燕
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关键词 对转永磁同步电机双转子失步直接转矩控制转矩角    
Abstract:Considering the problem of counter-rotating permanent magnet synchronous motor (CR-PMSM) out-of-step under unbalance load of bilateral rotor conditions, in this paper, a direct torque control(DTC) strategy based on the bilateral rotor torque angle was proposed from the analysis of mathematical model of CR-PMSM and the spatial relationship between the flux vector. This strategy can realize time-sharing control torque of bilateral rotor, by observing the bilateral rotor angle to real-time regulation of stator flux location. The simulation and experimental results show that the proposed strategy can maintain bilateral rotor speed synchronous tracking for a given speed accurately, and prevent the occurrence phenomenon of bilateral rotor out-of-step under unbalanced load disturbance.
Key wordsCounter-rotating permanent magnet synchronous motor    bilateral rotor of out-of-step    direct torque control    torque angle   
收稿日期: 2013-11-25      出版日期: 2015-06-29
PACS: TM301.2  
基金资助:2012年湖南省研究生科技创新资助项目(CX2012B128)
作者简介: 姜 燕 女,1973年生,副教授,硕士生导师,研究方向为分布式发电系统和电机控制。黄 钟 ,男,1988年生,硕士研究生,研究方向为电机控制。
引用本文:   
姜燕, 黄钟, 成双银, 黄守道. 对转永磁同步电机直接转矩控制[J]. 电工技术学报, 2015, 30(10): 101-107. Jiang Yan, Huang Zhong, Cheng Shuangyin, Huang Shoudao. A Direct Torque Control Strategy of Counter-Rotating Permanent Magnet Synchronous Motors. Transactions of China Electrotechnical Society, 2015, 30(10): 101-107.
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