Fundamental characteristic estimation based on finite element method for magnetic shielding type superconducting fault current limiter

Atsushi Ishiyama, Junnosuke Nakatsugawa, So Noguchi, Hiroyuki Kado, Michiharu Ichikawa

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    The superconducting fault current limiter is expected to be the first application of high-Tc superconductors (HTSs) in power systems. To develop a magnetic shielding-type superconductor fault current limiter, we have carried out some fundamental experiments on the magnetic shielding characteristics of an HTS bulk cylinder. In this paper, the experimental results of magnetic flux penetration into Bi-2223 cylinders are shown. An ac magnetic field is applied to the sample by a primary winding (copper coil) excited by ac triangular- and sinusoidal-waveform currents in the frequency range from 0.1 Hz to 100 Hz. We also developed a finite element method computer program for evaluation of the dynamic electromagnetic behavior of the HTS cylinder in a time-varying external magnetic field. The results of computer simulations considering the voltage-current (E-J) characteristic are compared with experiments. Next we carried out a current-limiting test with a small limiter model, and the developed finite element method computer program successfully simulated the electromagnetic behavior in current-limiting operation.

    Original languageEnglish
    Pages (from-to)17-27
    Number of pages11
    JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
    Volume134
    Issue number1
    DOIs
    Publication statusPublished - 2001 Jan 15

    Fingerprint

    Superconducting fault current limiters
    Magnetic shielding
    Superconducting materials
    Finite element method
    Computer program listings
    Fault current limiters
    Magnetic fields
    Limiters
    Magnetic flux
    Experiments
    Copper
    Computer simulation
    Electric potential

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

    Cite this

    Fundamental characteristic estimation based on finite element method for magnetic shielding type superconducting fault current limiter. / Ishiyama, Atsushi; Nakatsugawa, Junnosuke; Noguchi, So; Kado, Hiroyuki; Ichikawa, Michiharu.

    In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi), Vol. 134, No. 1, 15.01.2001, p. 17-27.

    Research output: Contribution to journalArticle

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    AU - Ichikawa, Michiharu

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