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Trade-off modeling of superconducting levitation machines: theory and experiment

AuthorsBadía-Majós, A.; Aliaga, A.; Letosa-Fleta, Jesús; Mora Alfonso, Mario; Peña-Roche, Jorge
KeywordsCritical state model
Superconducting modeling
Magnetic levitation force
Issue Date2015
PublisherInstitute of Electrical and Electronics Engineers
CitationIEEE Transactions on Applied Superconductivity 25(4): 3601810 (2015)
AbstractBased on the critical state model for the superconducting components, we develop a set of theoretical tools that allow to extract relevant engineering parameters of a superconducting levitation machine. We provide a number of analytical and numerical expressions for the evaluation of the electromagnetic quantities, energies and forces in 2D problems. This assumption includes: (i) rotational symmetric systems as those in bearings and motors, and also the case of (ii) translational symmetry as in long transportation lines. The theory, that trades off simplicity and predictive power builds on the vector potential/current density formulation of the Maxwell equations (A, J) and is validated by comparison against experimental tension-compression data in our universal test machine. As shown, very simple computer coding is required to implement the method.
Publisher version (URL)https://doi.org/10.1109/TASC.2015.2448456
Identifiersdoi: 10.1109/TASC.2015.2448456
issn: 1051-8223
e-issn: 1558-2515
Appears in Collections:(ICMA) Artículos
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