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Effect of end windings on the shaft voltage of a high power alternator using FE analysis.

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Title: Effect of end windings on the shaft voltage of a high power alternator using FE analysis.
Authors: Darques, Kévin1,2 (AUTHOR) kevin.darques@emotors.com, Tounzi, Abdelmounaïm1 (AUTHOR), Le Menach, Yvonnick1 (AUTHOR), Korecki, Julien1 (AUTHOR), Beddek, Karim2 (AUTHOR), Lecointe, Jean-Philippe (AUTHOR), Napieralska, Ewa (AUTHOR), Demenko, Andrzej (AUTHOR)
Source: International Journal of Applied Electromagnetics & Mechanics. 2020, Vol. 63 Issue 4, p661-671. 11p.
Subjects: High voltages, Alternating current generators, Synchronous generators, Ferromagnetic materials
Abstract: Shaft voltage is present in all electrical machines and can be useful as a diagnosis variable once the effect of some defects on this quantity is well quantified. 2D numerical models have already been used to tackle this point but 3D effects due to end windings can also have a significant influence on this voltage. This paper deals with the study of a turbo-generator using a 3D finite element model in order to investigate this task. In this aim, two finite element models in 2D and 3D of a high power turbo-generator are performed. The effect of three common defects on the shaft voltage is investigated while taking into account the nonlinear behaviour of ferromagnetic materials and the armature winding of the stator. Results with both models are analyzed and compared. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Applied Electromagnetics & Mechanics is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Effect of end windings on the shaft voltage of a high power alternator using FE analysis.
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  Data: <searchLink fieldCode="AR" term="%22Darques%2C+Kévin%22">Darques, Kévin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> kevin.darques@emotors.com</i><br /><searchLink fieldCode="AR" term="%22Tounzi%2C+Abdelmounaïm%22">Tounzi, Abdelmounaïm</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Le+Menach%2C+Yvonnick%22">Le Menach, Yvonnick</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Korecki%2C+Julien%22">Korecki, Julien</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Beddek%2C+Karim%22">Beddek, Karim</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lecointe%2C+Jean-Philippe%22">Lecointe, Jean-Philippe</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Napieralska%2C+Ewa%22">Napieralska, Ewa</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Demenko%2C+Andrzej%22">Demenko, Andrzej</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Applied+Electromagnetics+%26+Mechanics%22">International Journal of Applied Electromagnetics & Mechanics</searchLink>. 2020, Vol. 63 Issue 4, p661-671. 11p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22High+voltages%22">High voltages</searchLink><br /><searchLink fieldCode="DE" term="%22Alternating+current+generators%22">Alternating current generators</searchLink><br /><searchLink fieldCode="DE" term="%22Synchronous+generators%22">Synchronous generators</searchLink><br /><searchLink fieldCode="DE" term="%22Ferromagnetic+materials%22">Ferromagnetic materials</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Shaft voltage is present in all electrical machines and can be useful as a diagnosis variable once the effect of some defects on this quantity is well quantified. 2D numerical models have already been used to tackle this point but 3D effects due to end windings can also have a significant influence on this voltage. This paper deals with the study of a turbo-generator using a 3D finite element model in order to investigate this task. In this aim, two finite element models in 2D and 3D of a high power turbo-generator are performed. The effect of three common defects on the shaft voltage is investigated while taking into account the nonlinear behaviour of ferromagnetic materials and the armature winding of the stator. Results with both models are analyzed and compared. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Applied Electromagnetics & Mechanics is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3233/JAE-209202
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      – Code: eng
        Text: English
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        PageCount: 11
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        Type: general
      – SubjectFull: Alternating current generators
        Type: general
      – SubjectFull: Synchronous generators
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      – SubjectFull: Ferromagnetic materials
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      – TitleFull: Effect of end windings on the shaft voltage of a high power alternator using FE analysis.
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              Text: 2020
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