INFLUENCE OF EDDY CURRENT ON THE SUPERCONDUCTING MAGNETIC ENERGY-STORAGE SYSTEM.

Atsushi Ishiyama, Kou Agatsuma

    Research output: Contribution to journalArticle

    Abstract

    The superconducting magnetic energy storage (SMES) is considered as the energy storage device for power systems. The basic structure of the SMES circuit and the circuit constants are discussed in order to evaluate the operating performances of the SMES and to design the control system. The small-scale storage device used for experiments is explained. The equivalent circuit of the SMES is derived taking into account the effect of eddy current. Circuit constants are estimated from the input-output response to sinusoidal wave. The effects of eddy current on the state transition and charge/discharge efficiency are discussed. The eddy current loss distribution must be analyzed in detail to design properly the magnet system which consists of superconducting conductors, windings, support dewar, etc. The calculated eddy current are also presented.

    Original languageEnglish
    Pages (from-to)54-59
    Number of pages6
    JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
    Volume102
    Issue number5
    Publication statusPublished - 1982 Sep

    Fingerprint

    Eddy currents
    Energy storage
    Networks (circuits)
    Dewars
    Equivalent circuits
    Magnets
    Control systems
    Experiments

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

    Cite this

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    title = "INFLUENCE OF EDDY CURRENT ON THE SUPERCONDUCTING MAGNETIC ENERGY-STORAGE SYSTEM.",
    abstract = "The superconducting magnetic energy storage (SMES) is considered as the energy storage device for power systems. The basic structure of the SMES circuit and the circuit constants are discussed in order to evaluate the operating performances of the SMES and to design the control system. The small-scale storage device used for experiments is explained. The equivalent circuit of the SMES is derived taking into account the effect of eddy current. Circuit constants are estimated from the input-output response to sinusoidal wave. The effects of eddy current on the state transition and charge/discharge efficiency are discussed. The eddy current loss distribution must be analyzed in detail to design properly the magnet system which consists of superconducting conductors, windings, support dewar, etc. The calculated eddy current are also presented.",
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    AB - The superconducting magnetic energy storage (SMES) is considered as the energy storage device for power systems. The basic structure of the SMES circuit and the circuit constants are discussed in order to evaluate the operating performances of the SMES and to design the control system. The small-scale storage device used for experiments is explained. The equivalent circuit of the SMES is derived taking into account the effect of eddy current. Circuit constants are estimated from the input-output response to sinusoidal wave. The effects of eddy current on the state transition and charge/discharge efficiency are discussed. The eddy current loss distribution must be analyzed in detail to design properly the magnet system which consists of superconducting conductors, windings, support dewar, etc. The calculated eddy current are also presented.

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