Calculations on the current density and the voltage-current relation under a.c. conditions of filaments

R.A. Hartmann, D. Dijkstra, F.P.H. van Beckum, L.J.M. van de Klundert

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    Abstract

    Technical applications of multifilamentary wires indicate that filaments are used in complex magnetic fields (a combination of non-parallel a.c./d.c. transverse and rotating fields) carrying an a.c./d.c. transport current of various frequency. Furthermore, due to technical manufacturing processes the filaments are heavily distorted. Therefore, a numerical model is developed to compute the current density of a filament of arbitrary shape in any external transverse field carrying an a.c./d.c. transport current. The great flexibility of the model is shown in several examples.
    Original languageEnglish
    Pages (from-to)101-108
    JournalCryogenics
    Volume29
    Issue number2
    DOIs
    Publication statusPublished - 1989

    Keywords

    • Superconducting cables
    • Current distribution
    • Mathematical models

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    Hartmann, R. A., Dijkstra, D., van Beckum, F. P. H., & van de Klundert, L. J. M. (1989). Calculations on the current density and the voltage-current relation under a.c. conditions of filaments. Cryogenics, 29(2), 101-108. https://doi.org/10.1016/0011-2275(89)90035-0