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2D harmonic balance FE modelling of electromagnetic devices coupled to nonlinear circuits

J. Gyselinck (Department of Electrical Engineering, Institut Montefiore, University of Liège, Liège, Belgium)
P. Dular (Department of Electrical Engineering, Institut Montefiore, University of Liège, Liège, Belgium)
C. Geuzaine (Department of Electrical Engineering, Institut Montefiore, University of Liège, Liège, Belgium)
W. Legros (Department of Electrical Engineering, Institut Montefiore, University of Liège, Liège, Belgium)

Abstract

This paper deals with the two‐dimensional finite element analysis in the frequency domain of saturated electromagnetic devices coupled to electrical circuits comprising nonlinear resistive and inductive components. The resulting system of nonlinear algebraic equations is solved straightforwardly by means of the Newton‐Raphson method. As an application example we consider a three‐phase transformer feeding a nonlinear RL load through a six‐pulse diode rectifier. The harmonic balance results are compared to those obtained with time‐stepping and the computational cost is briefly discussed.

Keywords

Citation

Gyselinck, J., Dular, P., Geuzaine, C. and Legros, W. (2004), "2D harmonic balance FE modelling of electromagnetic devices coupled to nonlinear circuits", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 23 No. 3, pp. 800-812. https://doi.org/10.1108/03321640410510785

Publisher

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Emerald Group Publishing Limited

Copyright © 2004, Emerald Group Publishing Limited