Numerical simulation on fault current condition in 66 kV class RE-123 superconducting cable

X. Wang, H. Ueda, Atsushi Ishiyama, M. Ohya, H. Yumura, N. Fujiwara

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    The new Japanese national project of development of 66 kV/5 kA high-temperature superconducting (HTS) power cables has been started since 2008. In an AC power system, a fault current may flow in the event of a short circuit accident. The maximum fault current condition is defined to be 31.5 kA rms for duration of 2 s for 66 kV class transmission line in this project. Therefore, one of the technical targets in this project is to design the HTS power cable to survive at this fault current condition. The coated conductors have copper layer as a stabilizer not to be damaged by over-currents. The HTS cable has a copper former and copper shield layers in parallel with the HTS conductor layers and HTS shield layers, respectively, to control the temperature rises in the HTS cable at a fault accident. In this study, we simulated the maximum temperature rises in the HTS power cable at the fault current condition of 31.5 kArms for 2 s in order to design the copper stabilizer and copper shield layers by using a computer program we developed on the basis of 3D finite element method (FEM) and electrical circuit model.

    Original languageEnglish
    Pages (from-to)1580-1583
    Number of pages4
    JournalPhysica C: Superconductivity and its Applications
    Volume470
    Issue number20
    DOIs
    Publication statusPublished - 2010 Nov 1

    Fingerprint

    Superconducting cables
    Electric fault currents
    cables
    Computer simulation
    Copper
    copper
    simulation
    Temperature
    accidents
    Cables
    conductors
    Accidents
    short circuits
    transmission lines
    alternating current
    finite element method
    Short circuit currents
    Computer program listings
    computer programs
    Electric lines

    Keywords

    • Coated conductor
    • Fault current
    • FEM
    • Superconducting cable

    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Electrical and Electronic Engineering
    • Energy Engineering and Power Technology
    • Electronic, Optical and Magnetic Materials

    Cite this

    Numerical simulation on fault current condition in 66 kV class RE-123 superconducting cable. / Wang, X.; Ueda, H.; Ishiyama, Atsushi; Ohya, M.; Yumura, H.; Fujiwara, N.

    In: Physica C: Superconductivity and its Applications, Vol. 470, No. 20, 01.11.2010, p. 1580-1583.

    Research output: Contribution to journalArticle

    Wang, X. ; Ueda, H. ; Ishiyama, Atsushi ; Ohya, M. ; Yumura, H. ; Fujiwara, N. / Numerical simulation on fault current condition in 66 kV class RE-123 superconducting cable. In: Physica C: Superconductivity and its Applications. 2010 ; Vol. 470, No. 20. pp. 1580-1583.
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