CPU散热风扇用两相无刷电机分析

Proceedings: Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference (Cat. No.01CH37264) Pub Date : 2001-10-16 DOI:10.1109/EEIC.2001.965692

B. K. Fussell

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引用次数: 1

摘要

用于PC微处理器的冷却风扇通常采用两相无刷电机，以降低电气噪声并延长风扇寿命。它们是由绕组在电机内部(定子)和磁铁在外部(转子)组成的。本文用集总参数模型对现有电机进行了分析。描述了磁通路径，建立了电路模型。在此模型的基础上，利用磁能随角度的变化，推导了起动转矩和运行转矩。然后将导出的扭矩与实验测量值进行比较。

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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Analysis of a two phase brushless motor used in a CPU cooling fan

Cooling fans for PC microprocessors often use two phase brushless motors to reduce electrical noise and to extend fan life. They are made with the winding on the inside of the motor (stator), and the magnet on the outside (rotor). This paper describes the analysis of an existing motor using a lumped parameter model. The flux paths are described and a circuit model is developed. From this model, startup and running torque are derived using the change in magnetic energy with angle. The derived torque is then compared to experimental measurements.

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来源期刊

Proceedings: Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference (Cat. No.01CH37264)

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