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An Efficient Harmonic Balance Method for Nonlinear Eddy-Current Problems

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3 Author(s)
Ausserhofer, S. ; Inst. for Fundamentals & Theor. in Electr. Eng., Graz Univ. of Technol. ; Biro, O. ; Preis, K.

A method is presented which determines the steady-state solution of nonlinear eddy current problems. The unknown potentials are represented by Fourier-series and the nonlinear behavior of the material is split into a linear and a nonlinear term using a fixed-point technique. This approach leads to decoupled linear equations for each harmonic component. To take the nonlinearity into account, several fixed-point iterations have to be made. The method avoids calculating transient processes which normally have to be stepped through if using time-stepping methods. The present method is illustrated by two 2-D examples

Published in:

Magnetics, IEEE Transactions on  (Volume:43 ,  Issue: 4 )

Date of Publication:

April 2007

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