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首页> 外文期刊>IEEE Transactions on Energy Conversion >Mechanical and Magnetic Pivot Roles of Tooth in Vibration of Electrical Machines
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Mechanical and Magnetic Pivot Roles of Tooth in Vibration of Electrical Machines

机译：电机振动齿的机械和磁性枢轴作用

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摘要

The magnetic field including tooth effect can be calculated by the tooth harmonic permeance. However, the mechanical pivot role of tooth is always neglected in vibration analysis and the slotted stator is considered as a simple cylinder. In this article, the mechanical pivot role that the tooth plays in vibration analysis is illustrated, where the transfer function of force is proposed to represent the process of force from the top of tooth to the yoke. First, the magnetic pivot role of tooth in magnetic field analysis is described by the tooth harmonic permeance. Then the force on the top of tooth is transferred to the yoke by the transfer function of force, after that the yoke can be considered as a cylinder. Based on the pivot role of tooth, the phenomenon that the high order force can cause the low mode vibration is explained and clarified straightforwardly. Not only the fractional slot permanent magnet synchronous motor (PMSM), but also the integer slot PMSM, are analyzed to demonstrate the universality of these methods. Finally, the finite element method simulation, and the experiments on one fractional slot PM motor and one integer slot PM motor, are applied to validate the theory.
机译：包括牙齿效果的磁场可以通过齿谐波渗透来计算。然而，在振动分析中齿的机械枢轴作用总是忽略，并且开槽定子被认为是简单的圆柱体。在本文中，示出了牙齿在振动分析中起作用的机械枢轴作用，其中提出了力的转移函数来表示从牙齿顶部到轭的力的过程。首先，牙齿谐波渗透描述牙齿在磁场分析中的磁枢枢转作用。然后通过转移函数转移到牙齿顶部顶部的力，之后轭可以被认为是圆筒。基于牙齿的枢轴作用，解释和澄清了高阶力可以引起低模式振动的现象。不仅分析了分数槽永磁体同步电机（PMSM），还分析了整数插槽PMSM，以展示这些方法的普遍性。最后，应用有限元方法模拟，以及一个分数槽PM电动机和一个整数槽PM电动机的实验以验证理论。

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