Winding Position in Power Transformers to Reduce Copper Losses: Non Sinusoidal Currents

Bernardo Cougo; Thierry Meynard; François Forest; Eric Labouré

doi:10.1109/ECCE.2009.5316368

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Winding Position in Power Transformers to Reduce Copper Losses: Non Sinusoidal Currents

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Winding Position in Power Transformers to Reduce Copper Losses: Non Sinusoidal Currents

Bernardo Cougo, Thierry Meynard, François Forest et Eric Labouré

IEEE Energy Conversion Congress and Exposition - ECCE2009, pp.1010-1016

IEEE Energy Conversion Congress and Exposition - ECCE2009 (San Jose, United States, 2009–24/09/2009)

DOI: https://doi.org/10.1109/ECCE.2009.5316368

Résumé

Power transformer losses

Resistance

Transformer windings

The orientation used to wind a transformer is important in power transformers carrying high-frequency currents. Analysis of copper losses due to skin and proximity effects is performed in order to choose the best configuration of the turns inside the winding area when conductors are carrying non-sinusoidal current. Initially results are a direct application of Dowell's formula for the fundamental component and the harmonics of the current flowing through the winding. Later, FEA simulations confirm the relationship between current frequency, insulation thickness, winding window width and winding position.

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Titre: Winding Position in Power Transformers to Reduce Copper Losses: Non Sinusoidal Currents
Créateurs - sans rôle: Bernardo Cougo - Laboratoire Plasma et Conversion d'Energie
Thierry Meynard - Laboratoire Plasma et Conversion d'Energie
François Forest - Université de Montpellier
Eric Labouré - Laboratoire Génie électrique et électronique de Paris
Détails de publication: IEEE Energy Conversion Congress and Exposition - ECCE2009, pp.1010-1016
Colloque: IEEE Energy Conversion Congress and Exposition - ECCE2009 (San Jose, United States, 2009–24/09/2009)
Identifiants: 99151042009311
Unité académique: Institut d'Electronique et des Systèmes - IES
Langue: English
Type de ressource: Conference proceeding
Champs locaux: hal-01914839