Title :
Surface impedance for 3D nonlinear eddy current problems-application to loss computation in transformers
Author :
Guérin, Christophe ; Meunier, Gérard ; Tanneau, Gérard
Author_Institution :
Lab. d´´Electrotech. de Grenoble, CNRS, St. Martin d´´Heres, France
fDate :
5/1/1996 12:00:00 AM
Abstract :
A method based on surface impedance and the limit theory using a rectangular B(H) curve has been developed. The method, as well as the finite element formulation is first described. A computation on a three-phase three-limb 100 MVA transformer is then presented
Keywords :
eddy current losses; eddy currents; electric impedance; finite element analysis; power transformers; 100 MVA; 3D nonlinear eddy current problems; finite element formulation; loss computation; surface impedance; three-phase three-limb transformer; Circuit faults; Computer applications; Conducting materials; Eddy currents; Finite element methods; Magnetic fields; Magnetic flux; Magnetic materials; Saturation magnetization; Surface impedance; Surface waves;
Journal_Title :
Magnetics, IEEE Transactions on
