Efficient BEM Computation of the Impedance of Axisymmetric Air-Core Inductors

A boundary element method formulation coupled with the impedance boundary condition is proposed as an efficient way to compute the frequency-dependent impedance of axisymmetric air-core inductors. The formulation is based on the splitting of the magnetic vector potential into a source and an eddy cu...

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Veröffentlicht in:	IEEE transactions on electromagnetic compatibility 2022-04, Vol.64 (2), p.585-589
Hauptverfasser:	Yin, Shuli, Rienzo, Luca Di, Ma, Xikui, Huangfu, Youpeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Air-core inductors Boundary conditions Boundary element method boundary element method (BEM) Coils Eddy current testing Eddy currents Finite element analysis Finite element method Impedance impedance boundary condition Inductance Inductors Magnetic vector potentials Surface impedance
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Zusammenfassung:	A boundary element method formulation coupled with the impedance boundary condition is proposed as an efficient way to compute the frequency-dependent impedance of axisymmetric air-core inductors. The formulation is based on the splitting of the magnetic vector potential into a source and an eddy current component in the axisymmetric field. The proposed technique is tested against standard finite element method results.
ISSN:	0018-9375 1558-187X
DOI:	10.1109/TEMC.2021.3109382