Sensorless control of the axial flux permanent magnet synchronous motor at standstill and at low speed

J. Wiśniewski, W. Koczara
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引用次数: 7

Abstract

The paper presents a simple sensorless method, which can be used at standstill. Therefore method can be used to determine initial poles position of the axial flux permanent magnet motor. Moreover presented method can yield rotor position at low speed. An appropriate speed range for the method is limited. The paper shows the way of extend that speed range. Identification of rotor position is provided by current responses which are result of the single test voltage step. This paper deals with theory of the method confirmed by laboratory results on experimental set with 40 kVA / 16 poles / 3000 rpm axial flux permanent magnet motor.
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轴向磁通永磁同步电动机静止和低速无传感器控制
本文提出了一种简单的无传感器方法,可以在静止状态下使用。因此,该方法可用于确定轴向磁通永磁电机的初始磁极位置。此外,所提出的方法可以得到低速时转子的位置。该方法的适当速度范围是有限的。本文给出了扩大该速度范围的方法。转子位置的识别是由单个测试电压阶跃的电流响应提供的。本文论述了在40 kVA / 16极/ 3000转轴向磁通永磁电机实验装置上的实验结果所证实的方法的理论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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