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A finite element method to compute three-dimensional magnetic field distribution in transformer cores

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3 Author(s)
Chiampi, M. ; Istituto Elettrotecnico Nazionale Galileo Ferraris, Torino, Italy ; Negro, A. ; Tartaglia, M.

A numerical method is proposed to compute three-dimensional magnetic field distributions in nonlinear nonhomogeneous media, neglecting hysteresis and eddy currents. The magnetic field is derived from a scalar potential satisfying a nonlinear elliptic equation, which is solved by a convergent iterative method. A finite element program has been developed to compute the magnetic field distribution in transformer cores. Some numerical results for a butt and lap corner configuration are discussed.

Published in:

Magnetics, IEEE Transactions on  (Volume:16 ,  Issue: 6 )

Date of Publication:

Nov 1980

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