Eur. Phys. J. Appl. Phys.
Volume 49, Number 3, March 2010
|Number of page(s)||7|
|Section||Physics of Energy Generation Transfer, Conversion and Storage|
|Published online||03 February 2010|
Katholieke Universiteit Leuven, Faculty of Science, Belgium
2 Technische Universität Darmstadt, Institut für Theorie Elektromagnetischer Felder, Germany
3 Technische Universität Darmstadt, Institut für Elektrische Energiewandlung, Germany
Corresponding author: email@example.com
Accepted: 19 November 2009
Published online: 3 February 2010
In this paper, an eddy-current formulation is used to determine the transmission-line parameters of a machine winding. It is shown that this formulation covers a broader frequency range than the commonly used low-frequency magnetostatic and high-frequency magnetodynamic approximations. The eddy-current formulation, however, suffers from large computation times and may lead to severe inaccuracies if the finite-element mesh does not resolve the skin depth, a modelling concern that does not exist for the traditional formulations. The three finite-element models are compared according to the accuracy of the resulting transmission-line model applied to the winding of a permanent-magnet synchronous machine.
This article has been submitted as part of “NUMELEC 2008 – 6e Conférence Européenne sur les Méthodes Numériques en Électromagnétisme”, 8–10 December 2008, Liège
© EDP Sciences, 2010
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