2015•IEEE Transactions on MagneticsRequires access

Analysis of Axial-Flux Halbach Permanent-Magnet Machine

Ping Jin, Yue Yuan, Qingyang Xu, Shuhua Fang, Heyun Lin, S. L. Ho

Abstract

This paper presents a 3-D analytical magnetic field analysis of an air-cored axial-flux Halbach permanent-magnet machine (AFPMM with Halbach). The 3-D analytical magnetic distribution is established using the magnetic scalar potential and modified BESSEL functions in the cylindrical coordinate system. The analytical magnetic field distributions and the electromagnetic force are derived and verified by the computation results using the finite-element method.

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Key concepts: Halbach array, Magnet, Physics, Scalar potential, Magnetic field, Magnetic flux, Finite element method, Mechanics