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Practical investigations on cobalt-iron laminations for electrical machines
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Cossale, Marco, Krings, Andreas, Soulard, Juliette, Boglietti, Aldo and Cavagnino, Andrea (2015) Practical investigations on cobalt-iron laminations for electrical machines. IEEE Transactions on Industry Applications, 51 (4). pp. 2933-2939. doi:10.1109/TIA.2015.2394404 ISSN 0093-9994.
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Official URL: http://dx.doi.org/10.1109/TIA.2015.2394404
Abstract
The adoption of high-performance soft magnetic material can be considered a possible way to respect the challenging design specifications for aerospace and automotive electrical machines. This paper presents an accurate noninvasive investigation of magnetic and energetic properties of cobalt-iron stator cores. In particular, the focus lies on the annealing processes aimed to maximize the magnetic saturation and the mechanical strength. Three cobalt-iron stator core samples coming from different annealing processes have been analyzed, both from the BH characteristics and losses viewpoints. Stator slot effects on the magnetic measurements have been investigated by finite-element method. A fringing effect correction factor to be applied on the measured BH curves is as well reported. In order to complete the experimental campaign analysis, micrographic analysis of the material structure is presented, as well as the iron losses separation coefficients.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | IEEE Transactions on Industry Applications | ||||
Publisher: | IEEE | ||||
ISSN: | 0093-9994 | ||||
Official Date: | July 2015 | ||||
Dates: |
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Volume: | 51 | ||||
Number: | 4 | ||||
Page Range: | pp. 2933-2939 | ||||
DOI: | 10.1109/TIA.2015.2394404 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | Electrical Machines (ICEM), 2014 International Conference | ||||
Type of Event: | Conference | ||||
Location of Event: | Berlin | ||||
Date(s) of Event: | 02-05 Sep 2014 | ||||
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