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An insight into torque production and power factor in transverse-flux machines

An insight into torque production and power factor in transverse-flux machines
An insight into torque production and power factor in transverse-flux machines
Despite transverse flux machines (TFMs) being intrinsically three-dimensional, it is still possible to analyse them using relatively simple analytical models. This paper aims to provide an insight into the behaviour of TFMs using a compact equation, which relates torque to the electric and magnetic loadings of the machine and a flux factor. The flux factor is also used to estimate the flux linkage and therefore the power factor of this kind of machines. It is shown that the low power factor of TFMs is not only due to leakage but also due to the nature of the electromagnetic interaction that takes place. The TFM developed at the University of Southampton is used as the basis of a case study to illustrate the trade-off between torque density and power factor, and to provide some design guidelines. The analytical results are verified using finite elements analysis and experimental data.
Analytical models, permanent magnet machines, power factor, torque, transverse-flux machines.
0093-9994
1971-1977
Renedo Anglada, Jaime
4ba2df6e-f91f-4ffc-8169-068852e59e90
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9
Renedo Anglada, Jaime
4ba2df6e-f91f-4ffc-8169-068852e59e90
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9

Renedo Anglada, Jaime and Sharkh, Suleiman (2017) An insight into torque production and power factor in transverse-flux machines. IEEE Transactions on Industry Applications, 53 (3), 1971-1977. (doi:10.1109/TIA.2017.2665344).

Record type: Article

Abstract

Despite transverse flux machines (TFMs) being intrinsically three-dimensional, it is still possible to analyse them using relatively simple analytical models. This paper aims to provide an insight into the behaviour of TFMs using a compact equation, which relates torque to the electric and magnetic loadings of the machine and a flux factor. The flux factor is also used to estimate the flux linkage and therefore the power factor of this kind of machines. It is shown that the low power factor of TFMs is not only due to leakage but also due to the nature of the electromagnetic interaction that takes place. The TFM developed at the University of Southampton is used as the basis of a case study to illustrate the trade-off between torque density and power factor, and to provide some design guidelines. The analytical results are verified using finite elements analysis and experimental data.

Text
An Insight into Torque Production and Power Factor in Transverse-Flux Machines - Accepted Manuscript
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More information

Accepted/In Press date: 27 January 2017
e-pub ahead of print date: 7 February 2017
Published date: May 2017
Keywords: Analytical models, permanent magnet machines, power factor, torque, transverse-flux machines.
Organisations: Mechatronics, Engineering Science Unit, Faculty of Engineering and the Environment

Identifiers

Local EPrints ID: 405800
URI: http://eprints.soton.ac.uk/id/eprint/405800
ISSN: 0093-9994
PURE UUID: 19300319-4c51-4001-afda-9b8a322bfcc0

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Date deposited: 18 Feb 2017 00:20
Last modified: 06 Oct 2020 16:38

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