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Analysis of radial force for switched reluctance motor

机译:开关磁阻电机的径向力分析

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摘要

Radial force acting on the salient stator poles is the main source of electromagnetic vibration and acoustic noise for switched reluctance motor. In this paper, an analytical mathematical model is presented for the investigations of radial force characteristics and influence factors such as phase current, air gap length, rotor position and other structure parameter. The two-dimension finite element (2-D FE) was used to calculate the radial force and compared with the analytical model. Results show that the radial force calculated from analytical model can be well coincident with the data obtained by finite element method which is helpful for studding the design and control strategies for the vibration reduction.
机译:作用在凸极定子极上的径向力是开关磁阻电机的电磁振动和声噪声的主要来源。本文提出了一个解析数学模型,用于研究径向力特性以及相电流,气隙长度,转子位置和其他结构参数等影响因素。使用二维有限元(2-D FE)计算径向力,并将其与解析模型进行比较。结果表明,解析模型计算得到的径向力与有限元法得到的数据吻合较好,有助于研究减振设计和控制策略。

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