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2016•Unpublished venueRequires access

Magnetic field analysis using an analytical method in a radial magnetic bearing

Yunlong Zhong, Youtong Fang, Xiaoyan Huang, Qinfen Lu

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Abstract

This paper presents an analytical method for predicting the performance of magnetic bearing (MB). The approach based on magnetomotive force (MMF) and the permeance function is employed to compute the air-gap flux density distribution. The stator slotting effect and rotor eccentricity are taken into account to determine the permeance function. The analytical results are compared with finite-element method (FEM) to verify the accuracy of this analytical method.

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What this paper is about

This paper presents an analytical method for predicting the performance of magnetic bearing (MB). The approach based on magnetomotive force (MMF) and the permeance function is employed to compute the air-gap flux density distribution. The stator slotting effect and rotor eccentricity are taken into account to determine the permeance function. The analytical results are compared with finite-element method (FEM) to verify the accuracy of this analytical method.

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Available abstract

This paper presents an analytical method for predicting the performance of magnetic bearing (MB). The approach based on magnetomotive force (MMF) and the permeance function is employed to compute the air-gap flux density distribution. The stator slotting effect and rotor eccentricity are taken into account to determine the permeance function. The analytical results are compared with finite-element method (FEM) to verify the accuracy of this analytical method.

Key concepts: Permeance, Magnetomotive force, Finite element method, Magnetic field, Stator, Magnetic bearing, Air gap (plumbing), Mechanics

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