Coupling Between Thermal And
Electrodynamic Models
Author(s)
H. Hedia, A. Nicolet, F. Henrotte, A. Genon &
W. Legros
Abstract
Coupling between thermal and
electrodynamic models
H. Hedia, A. Nicolet, F. Henrotte, A. Genon &
W. Legros
University of Liege, Department of Electrical
Engineering, Institut Montefiore - Sart Tilman
Ize^e,
ABSTRACT
The aim of this paper is to present a finite element method for solving magneto-
thermal coupled problem with a sinusoidal excitation. In most cases, the thermal
time constant is higher than the magnetic time constant. This allows to consider
the magnetic problem as quasi stationary and to uncouple the two time bases.
For the magnetic problem, a complex formulation is used while for the thermal
problem a step by step study is carried out using a semi explicit scheme where
the Joule effect and the electromagnetic properties are evaluated at the previous
step. The application of the method to an induction furnace is presented to show
its workability.
INTRODUCTION
Thermal effects are very important in electrical devices, as a principal effect
(induction fur
Keywords
Related Book
Other papers in this volume
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