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Reluctance Network Treatment of Skin and Proximity Effects in Multi-Conductor Transmission Lines
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2012 (English)In: IEEE transactions on magnetics, ISSN 0018-9464, E-ISSN 1941-0069, Vol. 48, no 2, 735-738 p.Article in journal (Refereed) Published
Abstract [en]

A novel method is developed to easily compute the complex series impedance matrix of amulti-conductor transmissionline in a wide frequency range. It is based on a network of complex reluctances describing flux paths around the conductors. The network parameters are derived from the geometry of the conductor-insulator arrangement and from its material parameters. The method is best suited for situations where the typical gap width between conductors is much smaller than their thicknesses, where it provides an accurate treatment of both skin and proximity effects. Especially the proximity effect is hard to treat by other means in that limit. The method is demonstrated for an idealized example geometry, where its accuracy is verified with harmonic FEM field calculations.

Place, publisher, year, edition, pages
2012. Vol. 48, no 2, 735-738 p.
Keyword [en]
Finite-element method, impedance matrix, multi-conductor transmission line, reluctance network method
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-91308DOI: 10.1109/TMAG.2011.2175711ISI: 000299509100143Scopus ID: 2-s2.0-84856386697OAI: oai:DiVA.org:kth-91308DiVA: diva2:509480
Note

QC 20120316

Available from: 2012-03-13 Created: 2012-03-13 Last updated: 2017-12-07Bibliographically approved

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