0195614 - UE-C 20033030 RIV SI eng C - Conference Paper (international conference)
Doležel, Ivo - Musil, Ladislav - Ulrych, B.
Modelling of Temperature-Dependent Effective Impedance of Nonferromegnetic Massive Conductor.
Electromagnetic Fields in Electrical Engineering - ISEF 2003. Maribor: University of Maribor, 2003 - (Wiak, S.; Krawczyk, A.; Trlep, M.), s. 221-226. ISBN 86-435-0561-7.
[International Symposium on ISEF 2003 /11./. Maribor (SI), 18.09.2003-20.09.2003]
R&D Projects: GA ČR GA102/01/1401
Institutional research plan: CEZ:MSM 232200008
Keywords : massive conductor * nonferromegnetic conductor * Joule losses
Subject RIV: JA - Electronics ; Optoelectronics, Electrical Engineering

Impedance of long direct massive conductors carrying time-variable currents is a complex function of time. Its evolution is affected not only by the skin effect, but also by the temperature rise. The paper presents a numerical method that allows computing the resistance and internal inductance of nonferromagnetic conductor of any cross-section from values of the total Joule losses and magnetic energy within the conductor. the theoretical analysis based on the field approach is illustrated on a typical example, whose results are discussed.
Permanent Link: http://hdl.handle.net/11104/0091279