Unbalanced magnetic pull due to asymmetry and low-level static rotor eccentricity in fractional-slot brushless permanent-magnet motors with surface-magnet and consequent-pole rotors

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dc.contributor.author Dorrell, DG
dc.contributor.author Popescu, M
dc.contributor.author Ionel, DM
dc.date.accessioned 2011-02-07T06:23:15Z
dc.date.issued 2010-07
dc.identifier.citation IEEE Transactions on Magnetics, 2010, 46 (7), pp. 2675 - 2685
dc.identifier.issn 0018-9464
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/13619
dc.description.abstract We report on an investigation into the unbalanced magnetic pull (UMP) in ferrite-magnet fractional-slot brushless permanent-magnet motors due to either magnetic asymmetry or static rotor eccentricity. We justify the work in terms of the establishment of total indicated runout (TIR) tolerance and use 10% eccentricity as the nominal tolerance. The UMP will generate force and vibration, which causes wear. We investigated several machines with different pole numbers, slot numbers, and winding arrangements. Some of the windings contain sub-harmonics, and we found these to be more susceptible to UMP when there is rotor eccentricity and also to produce vibrating UMP. We found that consequent rotor poles produce high UMP under centered and rotor eccentricity conditions. We conducted detailed finite-element studies to calculate the UMP. © 2006 IEEE.
dc.language eng
dc.relation.isbasedon 10.1109/TMAG.2010.2044582
dc.title Unbalanced magnetic pull due to asymmetry and low-level static rotor eccentricity in fractional-slot brushless permanent-magnet motors with surface-magnet and consequent-pole rotors
dc.type Journal Article
dc.description.version Published
dc.parent IEEE Transactions on Magnetics
dc.journal.volume 7
dc.journal.volume 46
dc.journal.number 7 en_US
dc.publocation USA en_US
dc.identifier.startpage 2675 en_US
dc.identifier.endpage 2685 en_US
dc.cauo.name FEIT.School of Elec, Mech and Mechatronic Systems en_US
dc.conference Verified OK en_US
dc.for 0903 Biomedical Engineering
dc.for 0906 Electrical and Electronic Engineering
dc.personcode 105721
dc.percentage 50 en_US
dc.classification.name Biomedical Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.edition April
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords Brushless permanent-magnet motors, fractional slot, unbalanced magnetic pull. en_US
dc.description.keywords Australian workplace relations
dc.description.keywords Fair Work Act Australia
dc.description.keywords good faith
dc.description.keywords labour law
dc.description.keywords union-management relations
dc.description.keywords New Zealand workplace relations.
dc.description.keywords Brushless permanent-magnet motors
dc.description.keywords fractional slot
dc.description.keywords unbalanced magnetic pull
dc.description.keywords Brushless permanent-magnet motors
dc.description.keywords Brushless permanent-magnet motors
dc.description.keywords Fractional slot
dc.description.keywords Fractional slot
dc.description.keywords Unbalanced magnetic pull
dc.description.keywords Unbalanced magnetic pull
dc.description.keywords Brushless permanent-magnet motors
dc.description.keywords Fractional slot
dc.description.keywords Unbalanced magnetic pull
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group /University of Technology Sydney/Faculty of Engineering and Information Technology/School of Elec, Mech and Mechatronic Systems


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