Feasibility study on a 400 kW-3600 rpm REBCO fully superconducting motor

Masataka Iwakuma, Toshiyuki Ogata, Shinichiro Tomoda, Takanobu Kisu, Yutaka Yoshida, Atsushi Ishiyama, Yutaka Yamada, Teruo Izumi, Yuh Shiohara

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    We conceptually designed a 400 kW-3600 rpm synchronous motor with RE 1Ba 2Cu 3O 7-δ (RE: Rare earth, Y, Gd and so on, REBCO) superconducting tapes and studied the feasibility of fully superconducting ones. First the ac loss properties and the dependences of the critical current, I c, on temperature, T, magnetic field, B, and applied magnetic field angle, θ , of the REBCO tapes at 30 K to 77 K were measured. Next, 400 kW-3600 rpm fully superconducting motors were designed by taking into account of I c(B,T,θ) and then their properties, e.g. ac losses, efficiency, torque ripple and so on, were numerically calculated. According to the conventional theories, the induced ac losses in the armature windings exceeded several kW and the efficiency decreased rather than conventional normal motors. On the contrary, by taking account of the tremendous low-ac-loss properties of REBCO superconductors which were recently discovered as magnetic phase transition, the ac losses were reduced to around one hundredth. In consequence a feasible prospect of advantageous REBCO fully superconducting motors was obtained.

    Original languageEnglish
    Article number5201204
    JournalIEEE Transactions on Applied Superconductivity
    Volume22
    Issue number3
    DOIs
    Publication statusPublished - 2012

    Fingerprint

    tapes
    Superconducting tapes
    Magnetic fields
    synchronous motors
    armatures
    Critical currents
    Synchronous motors
    ripples
    magnetic fields
    Tapes
    Rare earths
    Superconducting materials
    torque
    critical current
    rare earth elements
    Torque
    Phase transitions
    Temperature
    temperature

    Keywords

    • High-T
    • motor
    • superconductor
    • YBCO

    ASJC Scopus subject areas

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

    Cite this

    Feasibility study on a 400 kW-3600 rpm REBCO fully superconducting motor. / Iwakuma, Masataka; Ogata, Toshiyuki; Tomoda, Shinichiro; Kisu, Takanobu; Yoshida, Yutaka; Ishiyama, Atsushi; Yamada, Yutaka; Izumi, Teruo; Shiohara, Yuh.

    In: IEEE Transactions on Applied Superconductivity, Vol. 22, No. 3, 5201204, 2012.

    Research output: Contribution to journalArticle

    Iwakuma, M, Ogata, T, Tomoda, S, Kisu, T, Yoshida, Y, Ishiyama, A, Yamada, Y, Izumi, T & Shiohara, Y 2012, 'Feasibility study on a 400 kW-3600 rpm REBCO fully superconducting motor', IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, 5201204. https://doi.org/10.1109/TASC.2011.2177229
    Iwakuma, Masataka ; Ogata, Toshiyuki ; Tomoda, Shinichiro ; Kisu, Takanobu ; Yoshida, Yutaka ; Ishiyama, Atsushi ; Yamada, Yutaka ; Izumi, Teruo ; Shiohara, Yuh. / Feasibility study on a 400 kW-3600 rpm REBCO fully superconducting motor. In: IEEE Transactions on Applied Superconductivity. 2012 ; Vol. 22, No. 3.
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