| 异步电机并联运行磁场定向控制 |
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| 引用本文： | 李卫超,胡安,聂子玲,马伟明.异步电机并联运行磁场定向控制[J].电工技术学报,2006,21(11):21-27. |
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| 作者姓名： | 李卫超 胡安 聂子玲 马伟明 |
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| 作者单位： | 海军工程大学电力电子技术研究所,武汉,430033 |
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| 摘 要： | 针对两台电机参数和负载不一致的情形,在原有单台电机磁场定向矢量控制模型的基础上,推导出适合一个逆变器控制两台电机的磁场定向控制模型.该方法考虑了电机参数的不同及电机定子电流的不一致,基于转子平均磁链进行定向,以两台电机的定子平均电流为控制目标,定子电流的d轴分量控制平均转子磁链,q轴分量控制平均电磁转矩.理论分析、仿真结果和实验结果表明了该控制方法的正确性和可行性.
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| 关 键 词： | 异步电机 磁场定向控制 并联运行 转子平均磁链 |
| 修稿时间： | 2005年9月23日 |
Field-Oriented Control of Parallel-Connected Induction Motors |
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| Li Weichao,Hu An,Nie Ziling,Ma Weiming.Field-Oriented Control of Parallel-Connected Induction Motors[J].Transactions of China Electrotechnical Society,2006,21(11):21-27. |
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| Authors: | Li Weichao Hu An Nie Ziling Ma Weiming |
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| Affiliation: | Naval University of Engineering Wuhan 430033 China |
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| Abstract: | Based on conventional induction motor model, a model of two parallel-connected induction motors was established which takes the different parameters and unbalanced loads of motor into account. A new field-oriented control strategy was proposed. In this method, the q-axis component of stator current is used to control the mean electromagnetic torque of two motors, and the d-axis component of stator current is used to control the mean rotor flux. The experiment results were presented, which are coincided with the simulation and the theoretical analysis. This verified the feasibility and the correctness of this control strategy. |
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| Keywords: | Induction motor field-oriented control parallel-connected rotor average flux |
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