Transient thermal characteristics of cryocooler-cooled HTS coil for SMES

Atsushi Ishiyama, M. Yanai, T. Morisaki, H. Ueda, S. Akita, S. Kouso, Y. Tatsuta, H. Abe, K. Tasaki

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    Thermal behavior of high-temperature super-conducting (HTS) coil is exceedingly different from that of low-temperature superconducting (LTS) coil. Therefore for the sake of the application of HTS coil to practical use, establishment of a new stability criterion for coil design becomes indispensable. In this study, a small-sized cryocooler-cooled HTS coil wound with Bi-2223/Ag tape was constructed and tested to evaluate the electromagnetic and thermal characteristics in the cryocooler-cooled HTS coil. We carried out experiments subjected to pulse current operation supposing SMES for power system stabilization. The simulation by a newly developed computer program based on the finite element method (FEM) agreed well with experimental results. In the computer program, short-sample data concerning the E-J characteristics, which depend on the orientation of applied magnetic field to the wide face of Bi-2223Ag tape, was adopted. By using the computer program, we also evaluate the thermal behavior of HTS coil graded according to the magnetic field distribution.

    Original languageEnglish
    Pages (from-to)1879-1882
    Number of pages4
    JournalIEEE Transactions on Applied Superconductivity
    Volume15
    Issue number2 PART II
    DOIs
    Publication statusPublished - 2005 Jun

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    coils
    conduction
    Computer program listings
    Temperature
    Tapes
    computer programs
    tapes
    Magnetic fields
    Stability criteria
    Superconducting coils
    Hot Temperature
    magnetic fields
    Stabilization
    finite element method
    stabilization
    Finite element method
    electromagnetism
    pulses
    Experiments
    simulation

    Keywords

    • Bi-2223/Ag tape
    • Cryocooler-cooled coil
    • Superconducting magnet energy storage
    • Thermal characteristics

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Physics and Astronomy (miscellaneous)

    Cite this

    Transient thermal characteristics of cryocooler-cooled HTS coil for SMES. / Ishiyama, Atsushi; Yanai, M.; Morisaki, T.; Ueda, H.; Akita, S.; Kouso, S.; Tatsuta, Y.; Abe, H.; Tasaki, K.

    In: IEEE Transactions on Applied Superconductivity, Vol. 15, No. 2 PART II, 06.2005, p. 1879-1882.

    Research output: Contribution to journalArticle

    Ishiyama, A, Yanai, M, Morisaki, T, Ueda, H, Akita, S, Kouso, S, Tatsuta, Y, Abe, H & Tasaki, K 2005, 'Transient thermal characteristics of cryocooler-cooled HTS coil for SMES', IEEE Transactions on Applied Superconductivity, vol. 15, no. 2 PART II, pp. 1879-1882. https://doi.org/10.1109/TASC.2005.849321
    Ishiyama, Atsushi ; Yanai, M. ; Morisaki, T. ; Ueda, H. ; Akita, S. ; Kouso, S. ; Tatsuta, Y. ; Abe, H. ; Tasaki, K. / Transient thermal characteristics of cryocooler-cooled HTS coil for SMES. In: IEEE Transactions on Applied Superconductivity. 2005 ; Vol. 15, No. 2 PART II. pp. 1879-1882.
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