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Lookup NU author(s): Glynn Atkinson,
Dr Nick BakerORCiD
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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.
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
Online publication date: 20/11/2014
Acceptance date: 01/01/1900
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