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Manufacturing influence on the magnetic properties and iron losses in cobalt-iron stator cores for electrical machines
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-8990-3745
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2014 (English)In: Proceedings - Energy Conversion Congress and Exposition (ECCE), 2014 IEEE / [ed] IEEE Conference Publications, 2014, 5595-5601 p.Conference paper, Published paper (Refereed)
Abstract [en]

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.

Place, publisher, year, edition, pages
2014. 5595-5601 p.
Keyword [en]
electric machines, magnetic materials, iron losses, cobalt iron, electromagnetic measurements, finite-element simulations, annealing, thermal treatment
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-172105DOI: 10.1109/ECCE.2014.6954167Scopus ID: 2-s2.0-84934343986ISBN: 9781479956982 (print)OAI: oai:DiVA.org:kth-172105DiVA: diva2:845699
Conference
6th Annual IEEE Energy Conversion Congress and Exhibition, ECCE 2014; David L. Lawrence Convention CenterPittsburgh; United States; 14 September 2014 through 18 September 2014
Note

QC 20150813

Available from: 2015-08-12 Created: 2015-08-12 Last updated: 2015-10-05Bibliographically approved

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Soulard, Juliette

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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