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IJSTR >> Volume 4 - Issue 12, December 2015 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Analytical Determining Of The Steinmetz Equivalent Diagram Elements Of Single-Phase Transformer

[Full Text]



T. Aly Saandy, M. Rakotomalala, Said Mze, A. F. Toro, A. Jaomiary



Black box theory, Eddy current, lron loss, Modeling, Single-phase Transformer, Steinmetz Equivalent circuit.



This article presents to an analytical calculation methodology of the Steinmetz Equivalent Diagram Elements applied to the prediction of Eddy current loss in a single-phase transformer. Based on the electrical circuit theory, the active and reactive powers consumed by the core are expressed analytically in function of the electromagnetic parameters as resistivity, permeability and the geometrical dimensions of the core. The proposed modeling approach is established with the duality parallel series. The equivalent diagram elements, empirically determined by Steinmetz, are analytically expressed using the expressions of the no loaded transformer consumptions. To verify the relevance of the model, validations both by simulations with different powers and measurements were carried out to determine the resistance and reactance of the core. The obtained results are in good agreement with the theoretical approach and the practical results.



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