| 利用瞬时无功实现异步电机无传感器矢量控制的新方法 |
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| 引用本文： | 和文平,庄旭,黄桂春,王志霞.利用瞬时无功实现异步电机无传感器矢量控制的新方法[J].防爆电机,2005,40(1):15-18,28. |
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| 作者姓名： | 和文平 庄旭 黄桂春 王志霞 |
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| 作者单位： | 东北电力学院电力工程系,吉林吉林,132012;东北电力学院电力工程系,吉林吉林,132012;东北电力学院电力工程系,吉林吉林,132012;东北电力学院电力工程系,吉林吉林,132012 |
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| 摘 要： | 介绍了利用瞬时无功功率和励磁电流变化来估计电机转速并实现无速度传感器矢量控制的新方法.导出了数学模型,分析了系统的稳定性.选择不同的增益,可使系统运行在不同环境下.数字仿真表明,该系统是可行的.
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| 关 键 词： | 感应电机 无速度传感器矢量控制 瞬时无功功率 速度估计 稳定性分析 |
| 文章编号： | 1008-7281(2005)01-0015-05 |
A New Method of Sensorless Vector Controlling of Asynchronous Motor by Transient Reactive Power |
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| He Wenping,Zhuang Xu,Huang Guichun,and Wang Zhixia.A New Method of Sensorless Vector Controlling of Asynchronous Motor by Transient Reactive Power[J].Explosion-proof Electric Machine,2005,40(1):15-18,28. |
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| Authors: | He Wenping Zhuang Xu Huang Guichun and Wang Zhixia |
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| Abstract: | A new method of evaluation of motor speed to achieve speed sensorless vector controlling by the variation of transient reactive power and excitation current is introduced, a mathematic model is derived, and the re liability of system is analyzed. Different gain selected can make the system ope rates at the different conditions. It is shown that this system is feasible by m athematic simulation. |
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| Keywords: | Induction motor speed sensorless vector controlling transient reactive power speed evaluation stability analysis |
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