Virtual Air Gap Length Computation With the Finite-Element Method

Virtual air gaps are created in a transformer core by a change in core permeability in the vicinity of auxiliary windings carrying dc current. A procedure for equivalent air gap length computation is established by performing finite-element analysis to obtain the change in transformer core reluctanc...

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Veröffentlicht in:	IEEE transactions on magnetics 2007-04, Vol.43 (4), p.1829-1832
Hauptverfasser:	Konrad, A., Brudny, J.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air gap Circuit faults Coils (windings) Computation Cross-disciplinary physics: materials science rheology Direct current Equivalence Exact sciences and technology Finite element method Finite element methods Geometry Iron Magnetic analysis Magnetic cores magnetic devices Magnetic materials Magnetism Materials science Mathematical analysis Other topics in materials science Permeability Physics Reluctance Solid modeling Transformer cores Transformers
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