北京航空航天大学学报 ›› 1999, Vol. 25 ›› Issue (2): 142-145.

• 论文 • 上一篇    下一篇

无刷直流电动机旋转感应电压的分析与计算

郭宏1, 吴凯2, 汪国梁2   

  1. 1. 北京航空航天大学 自动控制系;
    2. 西安交通大学 电气工程学院
  • 收稿日期:1997-11-07 出版日期:1999-02-28 发布日期:2010-09-28
  • 作者简介:男 31岁 副教授 100083 北京

Analysis and Calculation of the Rotation Induced Voltage of Brushless DC Motors

Guo Hong1, Wu Kai2, Wang Guoliang2   

  1. 1. Beijing University of Aeronautics and Astronautics,Dept. of Automatic Control;
    2. Xi'an Jiaotong University,Dept. of Electrical Engineering
  • Received:1997-11-07 Online:1999-02-28 Published:2010-09-28

摘要: 系统地推导了无刷直流电动机旋转感应电压的通用计算公式,并以这些公式为基础,详细研究了气隙磁密平顶宽度、分布绕组、短距、分数槽、斜槽等因素对旋转感应电压的影响,给出了在保证旋转感应电压是平顶宽度为理想值的梯形波时,转子磁钢和定子绕组设计时应考虑的因素.本文的研究内容为高性能低转矩波动无刷直流电动机的设计提供了理论基础.

Abstract: The general calculation formulas of the rotation induced voltage of brushless DC motors are deduced systematically. Based on these formulas, the effect on the rotation induced voltage caused by the flat top width of air-gap magnetic density, the distributed winding, the short pitched winding, the fractional slot, the skewing slot and so on are studied detailedly. The essential factors of design of rotor magnet and stator winding are presented in order to ensure that the rotation induced voltage is trapezoid with the ideal flat top width.The research contents of this paper supply theoretical basis to the design of brushless DC motor of high performances and low torque ripple.

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