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Power loss measurement and prediction of soft magnetic powder composites magnetized under sinusoidal and nonsinusoidal excitation

Marketos, P., Hall, Jeremy Peter and Zirka, S. 2008. Power loss measurement and prediction of soft magnetic powder composites magnetized under sinusoidal and nonsinusoidal excitation. IEEE Transactions on Magnetics 44 (11) , pp. 3487-3850. 10.1109/TMAG.2008.2001321

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Abstract

This paper presents details of a study undertaken to measure the magnetic properties of magnetic powder cores and assess the applicability of a numerical modeling technique for the prediction of losses under a range of nonstandard magnetizations. The modeling technique aims to allow prediction of magnetic properties under a wide range of magnetizing conditions, including pulse width modulation (PWM) magnetization, based on obtaining limited information of the material's near-dc magnetic properties and electrical resistivity. This approach, based on a concept known as magnetic viscosity, offers significant advantages and has been shown previously to be accurate in its application with soft magnetic lamination materials.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Publisher: IEEE
ISSN: 0018-9464
Last Modified: 04 Jun 2017 02:04
URI: http://orca.cf.ac.uk/id/eprint/8322

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