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Simultaneous analysis of harmonics and 2D effects on the optimal thickness of transformer windings

par Robert, Frédéric ;Mathys, Pierre ;Schauwers, Jean-Pierre
Référence (April 2002: Amsterdam), Digest of Technical Papers INTERMAG Europe 2002, IEEE, page (3)
Publication Publié, 2002-08-07

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Résumé :

Optimum transformer design needs accurate windings losses calculation. The current harmonic spectrum and 2D field effects have both been reported to significantly influence the winding losses. Up to now, these two topics have always been treated separately. Thanks to a new analytical form which permits one to to include 2D effects in the closed-form formula, this paper answers for the first time the designer question: what is the final impact of harmonics and 2D effects, considered simultaneously, on the losses and on the optimum thickness of the windings?.