无轴承感应电动机的空载特性

Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting Pub Date : 1991-09-28 DOI:10.1109/IAS.1991.178143

A. Chiba, D. T. Power, M. Rahman

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引用次数: 28

摘要

本研究涉及一种附加两极定子绕组的无轴承感应电动机。这些额外的绕组可以用来产生转子轴上的径向力。通过径向位置控制回路调节两极绕组电流，使转子保持在靠近定子中心的位置。根据电机电感模型和等效电路推导了两极绕组的电压和电流关系。还考虑了二次回路的影响。将电流、电压和径向力的理论值与实验结果进行了比较。结果发现，两极绕组所需的伏安电压仅为主电机绕组所需伏安电压的2%左右。

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No load characteristics of a bearingless induction motor

This study involves a bearingless induction motor constructed with additional two-pole stator windings. These additional windings can be used to produce radial forces on the rotor shaft. The two-pole winding currents were regulated by radial position control loops to maintain the rotor's position near the stator center. The voltage and current relationships of the two-pole windings were derived from a machine inductance model and equivalent circuits. The influence of secondary circuits was also taken into account. The theoretical values of current, voltage, and radial force were compared with the experimental results. It was found that the two-pole windings need only about 2% of the volt-ampere requirements of the main motor windings.<>

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Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting

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