Calculation of no-load rotor eddy current power loss in PM synchronous machines
Calculation of no-load rotor eddy current power loss in PM synchronous machines
Three analytical methods, and finite element analysis (FEA), are used to calculate no-load flux harmonics travelling with respect to the rotor of a surface permanent magnet (PM) machine. Rotor eddy current losses caused by each harmonic are calculated analytically using a multilayer eddy current model of the machine, in which each harmonic is represented by an equivalent current sheet on the bore of a slotless stator. Losses are also calculated using transient time-stepping FEA coupled with the equation of motion of the rotor. Significant discrepancies are observed between the results obtained from the different methods and FEA, especially when the level of saturation in the stator core is significant.
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Qazalbash, A.
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Sharkh, S.M.
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Irenji, N.T.
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Wills, R.G.A.
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Abusara, M.A.
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18 April 2014
Qazalbash, A.
96650bf8-9483-47c8-a37d-21773385dce2
Sharkh, S.M.
c8445516-dafe-41c2-b7e8-c21e295e56b9
Irenji, N.T.
faf99b41-607a-486b-9338-6c2c1eccdc7e
Wills, R.G.A.
60b7c98f-eced-4b11-aad9-fd2484e26c2c
Abusara, M.A.
15d631fc-71de-4c49-b65e-23e46d2134ee
Qazalbash, A., Sharkh, S.M., Irenji, N.T., Wills, R.G.A. and Abusara, M.A.
(2014)
Calculation of no-load rotor eddy current power loss in PM synchronous machines.
IEEE Transactions on Magnetics, .
(doi:10.1109/TMAG.2014.2318681).
Abstract
Three analytical methods, and finite element analysis (FEA), are used to calculate no-load flux harmonics travelling with respect to the rotor of a surface permanent magnet (PM) machine. Rotor eddy current losses caused by each harmonic are calculated analytically using a multilayer eddy current model of the machine, in which each harmonic is represented by an equivalent current sheet on the bore of a slotless stator. Losses are also calculated using transient time-stepping FEA coupled with the equation of motion of the rotor. Significant discrepancies are observed between the results obtained from the different methods and FEA, especially when the level of saturation in the stator core is significant.
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- Author's Original
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Published date: 18 April 2014
Organisations:
Mechatronics
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Local EPrints ID: 365690
URI: http://eprints.soton.ac.uk/id/eprint/365690
ISSN: 0018-9464
PURE UUID: ffcbd34e-841d-4def-b4ea-229cb8dacb52
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Date deposited: 12 Jun 2014 14:33
Last modified: 15 Mar 2024 03:17
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Author:
A. Qazalbash
Author:
N.T. Irenji
Author:
M.A. Abusara
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