Magnetic flux density distribution in axial flux machine cores | Zendy

Andrew Hewitt | Zendy; A. Ahfock | Zendy; Sergey A. Suslov | Zendy

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Magnetic flux density distribution in axial flux machine cores

Author(s) -

Andrew Hewitt,

A. Ahfock,

Sergey A. Suslov

Publication year - 2005

Publication title -

iee proceedings - electric power applications

Language(s) - English

Resource type - Journals

eISSN - 1359-7043

pISSN - 1350-2352

DOI - 10.1049/ip-epa:20055039

Subject(s) - flux (metallurgy) , radius , magnetic flux , mechanics , physics , core (optical fiber) , eddy current , curvature , magnetic field , geometry , materials science , optics , mathematics , computer security , quantum mechanics , computer science , metallurgy

[Abstract]: A three-dimensional analytical model is presented to evaluate the magnetic flux density distribution in the core of an axial flux machine. The model predicts significantly higher flux density near the outer radius of the core than that at the inner radius. This has been confirmed by experimental test results. The model also predicts the presence of a curvature-related radial component in the magnetic flux density distribution. It is argued that if it can be established that eddy currents, induced by the tendency for the flux to flow radially, have sufficient shielding effect, then radial flux can be ignored and two-dimensional modelling can be use

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