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Analysis of transverse flux machines using a virtual mutual inductance approach

Analysis of transverse flux machines using a virtual mutual inductance approach
Analysis of transverse flux machines using a virtual mutual inductance approach
In this paper a virtual mutual inductance approach is used to analyse the performance of transverse flux machines (TFMs). The virtual mutual inductance between the stator windings and the magnets' equivalent currents is obtained by integrating the flux produced by the stator windings over the surface of the magnets. Key design parameters such as back EMF, torque, phase inductance and power factor are readily calculated using the proposed methodology. This method is also used to optimise the geometry of a particular machine which provides an insight into the relationship between power factor and torque. Furthermore, the insights gained suggest a design approach that takes into account the power factor of TFMs, which may help unlock their potential through a trade-off between torque density and power factor. The results obtained using the analytical model are verified using 3D finite element analysis (FEA) and experimental data.
Permanent-magnet machines, transverse-flux
0885-8969
465-472
Renedo Anglada, Jaime
4ba2df6e-f91f-4ffc-8169-068852e59e90
Sharkh, Suleiman M.
c8445516-dafe-41c2-b7e8-c21e295e56b9
Renedo Anglada, Jaime
4ba2df6e-f91f-4ffc-8169-068852e59e90
Sharkh, Suleiman M.
c8445516-dafe-41c2-b7e8-c21e295e56b9

Renedo Anglada, Jaime and Sharkh, Suleiman M. (2018) Analysis of transverse flux machines using a virtual mutual inductance approach. IEEE Transactions on Energy Conversion, 33 (2), 465-472. (doi:10.1109/TEC.2017.2768298).

Record type: Article

Abstract

In this paper a virtual mutual inductance approach is used to analyse the performance of transverse flux machines (TFMs). The virtual mutual inductance between the stator windings and the magnets' equivalent currents is obtained by integrating the flux produced by the stator windings over the surface of the magnets. Key design parameters such as back EMF, torque, phase inductance and power factor are readily calculated using the proposed methodology. This method is also used to optimise the geometry of a particular machine which provides an insight into the relationship between power factor and torque. Furthermore, the insights gained suggest a design approach that takes into account the power factor of TFMs, which may help unlock their potential through a trade-off between torque density and power factor. The results obtained using the analytical model are verified using 3D finite element analysis (FEA) and experimental data.

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Accepted/In Press date: 18 September 2017
e-pub ahead of print date: 2 November 2017
Published date: June 2018
Keywords: Permanent-magnet machines, transverse-flux

Identifiers

Local EPrints ID: 417942
URI: http://eprints.soton.ac.uk/id/eprint/417942
ISSN: 0885-8969
PURE UUID: 3d9d41e8-56c3-40b2-a313-a4ec34ff6f91

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Date deposited: 17 Feb 2018 17:30
Last modified: 06 Oct 2020 22:27

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