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

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

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 iterati...

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Veröffentlicht in:IEEE transactions on magnetics 1980-11, Vol.16 (6), p.1413-1419
Hauptverfasser: Chiampi, M., Negro, A., Tartaglia, M.
Format: Artikel
Sprache:eng
Schlagworte:
Boundary value problems
Convergence
Distributed computing
Eddy currents
Finite element methods
Magnetic fields
Magnetic hysteresis
Nonhomogeneous media
Nonlinear equations
Transformer cores
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Zusammenfassung: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.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1980.1060882