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首页> 外文期刊>IEEE Transactions on Industry Applications >Performances of a Fractional-Slot Concentrated-Winding Permanent Magnet Synchronous Machine Under Position Sensorless Control in Deep Flux-Weakening Region
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Performances of a Fractional-Slot Concentrated-Winding Permanent Magnet Synchronous Machine Under Position Sensorless Control in Deep Flux-Weakening Region

机译:无位置传感器控制的弱磁通分数槽集中绕组永磁同步电机在弱磁通区域的性能

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摘要

In recent time, the use of fractional-slot concentrated-winding (FSCW) stator has made it possible to drive the interior permanent magnet synchronous motors in very deep flux-weakening speed range. Many of such motors can operate along the maximum torque per voltage (MTPV) trajectory during the deep flux-weakening operation. Performances of the FSCW interior permanent magnet synchronous machine (IPMSM) while operating along the MTPV trajectory in the deep flux-weakening region under sensorless direct torque and flux control are yet to be investigated thoroughly. A 14-pole/18-slot FSCW IPMSM, which has a flux-weakening speed range of 9:1, was investigated in this paper. The position and speed were estimated using a sliding mode observer. Experimental results showed that satisfactory dynamic operation was possible during deep flux weakening only when a voltage compensation technique was integrated. This paper attempts to investigate the underlying reasons behind the requirement of the additional voltage compensation during deep flux weakening in the FSCW IPMSM.
机译:近年来,使用分数槽集中绕组(FSCW)定子可以在非常弱的磁通速度范围内驱动内部永磁同步电动机。在深度磁通减弱操作期间,许多这样的电动机可以沿最大每电压转矩(MTPV)轨迹运行。 FSCW内部永磁同步电机(IPMSM)在无传感器直接转矩和磁通量控制下沿深磁通量弱化区域沿MTPV轨迹运行时的性能尚待深入研究。本文研究了一种14极/ 18槽FSCW IPMSM,其弱磁速度范围为9:1。使用滑动模式观察器估计位置和速度。实验结果表明,只有在集成了电压补偿技术的情况下,在深磁通减弱期间才有可能实现令人满意的动态操作。本文试图研究在FSCW IPMSM中深磁通减弱期间需要额外电压补偿的根本原因。

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