基于电感矩阵的无轴承电机径向悬浮力模型

doi:10.3969/j.issn.1671-7775.2009.01.013

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摘要介绍了无轴承电机工作原理，以附加二极悬浮力绕组的四极无轴承电机为研究对象，建立适用于圆柱型和凸极型转子的无轴承电机的通用电感矩阵模型，进而推导出径向悬浮力通用数学模型．基于该数学模型，以无轴承同步磁阻电机和无轴承永磁同步电机为例，得出径向悬浮力公式和径向悬浮力计算值，并分别与用ANSYS有限元分析软件计算的径向悬浮力数值进行对比．模型计算结果与ANSYS分析结果基本吻合，该径向悬浮力数学模型的正确性得到验证．

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	朱熀秋
	王成波
	张伟霞

关键词 ：无轴承电机')" href="#">无轴承电机, 电感矩阵')" href="#"> 电感矩阵, 悬浮力')" href="#"> 悬浮力, 模型')" href="#"> 模型, 有限元')" href="#"> 有限元

Abstract：The working principle of bearingless motors was introduced. The general expressions of the inductances were established for bearingless motors with the column rotor or the gibbose-pole rotor. The mathematic model of radial suspension forces was deduced for the bearingless motors with conventional 4- pole stator windings and additional 2-pole suspension force windings. Based on the radial suspension force mathematic model, taking a bearingless synchronous reluctance motor and a bearingless permanent magnet synchronous motor for examples, corresponding suspension force formula was deduced. The calculated results for the suspension force agree with the results calculated with finite element method （FEM） software.

Key words： bearingless motor ')" href="#">bearingless motor inductance matrix')" href="#">inductance matrix suspension force ')" href="#">suspension force model')" href="#">model finite element method')" href="#">finite element method

基金资助:

国家自然科学基金资助项目（60674095）;国家863高技术研究发展计划项目（2007AA04Z213）

作者简介: 朱烷秋(1964～)，男，江苏靖江人，教授，博士生导师(zhuhuangqiu@njs．edu．

引用本文:

朱熀秋, 王成波, 张伟霞. 基于电感矩阵的无轴承电机径向悬浮力模型[J]. 江苏大学学报（自然科学版）, 2009, 30(1): 53-57. Zhu Huangqiu, Wang Chengbo, Zhang Weixia. Mathematic model of radial motors based on suspension force for bearingless inductance matrixes[J]. Journal of Jiangsu University(Natural Science Eidtion) , 2009, 30(1): 53-57.

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http://zzs.ujs.edu.cn/xbzkb/CN/10.3969/j.issn.1671-7775.2009.01.013 或 http://zzs.ujs.edu.cn/xbzkb/CN/Y2009/V30/I1/53