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Eddy-currents modelling in transformers magnetic cores using ohmic resistances
Department of Electrical Engineering, Technological and Educational, Institute of Patras, Greece.ORCID iD: 0000-0001-9750-9863
Departamento de Energia, Universidad Autonoma Metropolitana, Mexico City, Mexico.
Department of Electrical Engineering, Technological and Educational, Institute of Patras, Greece.
2012 (English)In: 2012 11th International Conference on Environment and Electrical Engineering, IEEE, 2012, 549-554 p.Conference paper, Published paper (Refereed)
Abstract [en]

The inclusion of eddy-currents effects in transformers cores is a very hot subject on transformers modeling. The dominated modeling approach is based on the usage of equivalent ohmic resistances placed in the equivalent electrical circuit which represents the electrical part of the transformer. In this paper, a comparison study, between the main different models using ohmic resistances for the eddy-currents in transformers magnetic cores, is conducted. Specifically, the selection of the suitable ohmic resistance, according to the study that is going to be conducted using an appropriate transformer model, is clarified; a topic that has not sufficiently been investigated and presented in the literature. The methods for determination of the ohmic resistances, in the simple case of a single-phase core-type transformer, are presented. Corresponding numerical results are given, which are compared to measured values if possible. © 2012 IEEE.

Place, publisher, year, edition, pages
IEEE, 2012. 549-554 p.
Keyword [en]
Comparison study; Electrical parts; Equivalent electrical circuits; Modeling approach; Numerical results; Ohmic resistance; Transformer models, Eddy currents; Electric transformers; Electrical engineering; Magnetic cores; Magnetic materials, Ohmic contacts
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kau:diva-63772DOI: 10.1109/EEEIC.2012.6221437Scopus ID: 2-s2.0-84864225056OAI: oai:DiVA.org:kau-63772DiVA: diva2:1142060
Conference
11th International Conference on Environment and Electrical Engineering, ΕΕΕΙC, Italy, 18-25 May 2012.
Available from: 2017-09-18 Created: 2017-09-18 Last updated: 2017-09-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • de-DE
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  • en-US
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  • nn-NB
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  • Other locale
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Output format
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