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Manufacturing influence on the magnetic properties and iron losses in cobalt-iron stator cores for electrical machines
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Krings, Andreas, Cossale, Marco, Soulard, Juliette, Boglietti, Aldo and Cavagnino, Andrea (2014) Manufacturing influence on the magnetic properties and iron losses in cobalt-iron stator cores for electrical machines. In: IEEE Energy Conversion Congress and Exposition (ECCE) 2014, Pittsburgh, USA, 14-18 Sep 2014. Published in: Energy Conversion Congress and Exposition (ECCE), 2014 pp. 5595-5601. ISBN 9781479957767. doi:10.1109/ECCE.2014.6954167
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Official URL: http://dx.doi.org/10.1109/ECCE.2014.6954167
Abstract
The manufacturing influence on the magnetic properties and iron losses in stator cores made of cobalt-iron is investigated in this study, with a focus on the annealing and stacking process. Hysteresis and iron loss curves from measurements as well as a microscopic structure analysis are presented. FEM simulations are used to investigate the fringing effect in the stator cores due to the stator slots and others geometrical effects. A correction factor is derived and applied to the measurements. Furthermore, it is shown, that for cobalt-iron lamination sheets, the annealing process with an exact temperature and duration is absolutely essential to achieve expected magnetic and mechanical properties in the material.
Item Type: | Conference Item (Paper) | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Journal or Publication Title: | Energy Conversion Congress and Exposition (ECCE) | ||||||
Publisher: | IEEE | ||||||
ISBN: | 9781479957767 | ||||||
Book Title: | 2014 IEEE Energy Conversion Congress and Exposition (ECCE) | ||||||
Official Date: | 13 November 2014 | ||||||
Dates: |
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Volume: | 2014 | ||||||
Page Range: | pp. 5595-5601 | ||||||
DOI: | 10.1109/ECCE.2014.6954167 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
Conference Paper Type: | Paper | ||||||
Title of Event: | IEEE Energy Conversion Congress and Exposition (ECCE) 2014 | ||||||
Type of Event: | Conference | ||||||
Location of Event: | Pittsburgh, USA | ||||||
Date(s) of Event: | 14-18 Sep 2014 | ||||||
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