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Lookup NU author(s): Dr Rafal Wrobel
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This paper presents an investigation into proximity losses in end-windings informed from the 3D finite element analysis of an ac power inductor. The proximity effect in winding conductors is a result of circulating ac currents caused by magnetic fields generated by nearby conductors. The calculated results confirm that the effects within the end-winding whist significant are lower compared to those with the active length of the conductors. The common approach of predicting proximity losses usind 2D field analyses accounts for active length of the conductors only, and therefore an endwinding correction factor is needed to obtain a more accurate estimate of loss. The theoretical prediction of losses within the inductor has been validated experimentally on a prototype inductor. The effect of winding temperature on proximity loss is also discussed. ©2010 IEEE.
Author(s): Wrobel R, Mlot A, Mellor PH
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 19th International Conference on Electrical Machines, ICEM 2010
Year of Conference: 2010
Online publication date: 25/10/2010
Publisher: IEEE
URL: https://doi.org/10.1109/ICELMACH.2010.5608236
DOI: 10.1109/ICELMACH.2010.5608236
Library holdings: Search Newcastle University Library for this item
ISBN: 9781424441754
