Thermal Performance of Segmented Stator Teeth Topologies for Electric Motors †.

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Title: Thermal Performance of Segmented Stator Teeth Topologies for Electric Motors †.
Authors: Saunders, Luke1 (AUTHOR) luke.saunders@ncl.ac.uk, Ugurluoglu, Yusuf1 (AUTHOR), Kulan, Mehmet C.1 (AUTHOR), Atkinson, Glynn1 (AUTHOR)
Source: Energies (19961073). Feb2026, Vol. 19 Issue 3, p672. 17p.
Subject Terms: *Electric motors, *Stators, *Energy dissipation, *Thermal properties, *Air gap (Engineering), *Finite element method
Abstract: Different topologies for individual stator teeth as modular electric motor components are investigated via several different metrics such as finite element analysis (FEA), winding methodologies, and thermal performance during electrical power loading. These are easily quantifiable metrics which allow for the direct comparison of the different topologies, particularly with respect to the concentrated windings of the copper wire around the stator teeth. The paper assesses temperature rise, heat dissipation, and the role of air gaps within the copper wire windings. The results show that the winding via robot resulted in 30 (±5)% lower temperature rises on average compared to commercial (hairpin) winding systems, due to more ordered winding which results in larger air gaps between the wires. The air gaps appear to play a critical role in the thermal performance of the stator windings. It is also shown that the different topologies affect thermal performance during electrical loading, suggesting that the different topologies could be useful in different applications. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 191587151
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Thermal Performance of Segmented Stator Teeth Topologies for Electric Motors †.
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  Data: <searchLink fieldCode="AR" term="%22Saunders%2C+Luke%22">Saunders, Luke</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> luke.saunders@ncl.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Ugurluoglu%2C+Yusuf%22">Ugurluoglu, Yusuf</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kulan%2C+Mehmet+C%2E%22">Kulan, Mehmet C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Atkinson%2C+Glynn%22">Atkinson, Glynn</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Feb2026, Vol. 19 Issue 3, p672. 17p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Electric+motors%22">Electric motors</searchLink><br />*<searchLink fieldCode="DE" term="%22Stators%22">Stators</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br />*<searchLink fieldCode="DE" term="%22Thermal+properties%22">Thermal properties</searchLink><br />*<searchLink fieldCode="DE" term="%22Air+gap+%28Engineering%29%22">Air gap (Engineering)</searchLink><br />*<searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Different topologies for individual stator teeth as modular electric motor components are investigated via several different metrics such as finite element analysis (FEA), winding methodologies, and thermal performance during electrical power loading. These are easily quantifiable metrics which allow for the direct comparison of the different topologies, particularly with respect to the concentrated windings of the copper wire around the stator teeth. The paper assesses temperature rise, heat dissipation, and the role of air gaps within the copper wire windings. The results show that the winding via robot resulted in 30 (±5)% lower temperature rises on average compared to commercial (hairpin) winding systems, due to more ordered winding which results in larger air gaps between the wires. The air gaps appear to play a critical role in the thermal performance of the stator windings. It is also shown that the different topologies affect thermal performance during electrical loading, suggesting that the different topologies could be useful in different applications. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.3390/en19030672
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 17
        StartPage: 672
    Subjects:
      – SubjectFull: Electric motors
        Type: general
      – SubjectFull: Stators
        Type: general
      – SubjectFull: Energy dissipation
        Type: general
      – SubjectFull: Thermal properties
        Type: general
      – SubjectFull: Air gap (Engineering)
        Type: general
      – SubjectFull: Finite element method
        Type: general
    Titles:
      – TitleFull: Thermal Performance of Segmented Stator Teeth Topologies for Electric Motors †.
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            NameFull: Saunders, Luke
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            NameFull: Ugurluoglu, Yusuf
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            NameFull: Kulan, Mehmet C.
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            NameFull: Atkinson, Glynn
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            – D: 01
              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
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              Value: 19
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            – TitleFull: Energies (19961073)
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