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Reduction of Cogging Torque and EMF Harmonics in Modulated Pole Machines

Lookup NU author(s): Glynn Atkinson, Dr Nick Baker

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Abstract

This paper discusses a method for reducing cogging torque and harmonic content of back EMF waveforms in modulated pole machines (MPMs). Tooth pitching is applied to a separate phase MPM in order to reduce the most prominent harmonics present in a three-phase MPM's cogging torque. Experimental results show that the application of tooth pitching to these machines can reduce the cogging torque and back EMF harmonics significantly; this comes without a significant impact to the useful output of the machine and without the need for extra components. Such a technique can be easily applied to existing machine designs without increasing the production cost.


Publication metadata

Author(s): Washington JG, Atkinson GJ, Baker NJ

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2014 International Conference on Electrical Machines (ICEM)

Year of Conference: 2014

Pages: 263-269

Online publication date: 20/11/2014

Acceptance date: 01/01/1900

Publisher: IEEE

URL: http://dx.doi.org/10.1109/ICELMACH.2014.6960191

DOI: 10.1109/ICELMACH.2014.6960191

Library holdings: Search Newcastle University Library for this item

ISBN: 9781479943890


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