Trial production and experiment of linear actuator with double-sided primary and HTS bulk secondary

Shungo Sadakata, Hiroshi Ueda, Makoto Tsuda, Atsushi Ishiyama

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    It is expected that HTS bulk materials are applied to various electric devices. In a previous work we have fabricated and tested a linear actuator with single-sided primary and HTS bulk secondary. The linear actuator was comprised of zero-field-cooled YBCO bulk for secondary (mover) and copper windings with iron core (primary). The primary was excited by a three-phase VVVF power source to provide sinusoidal traveling field. To improve the characteristics of the linear actuator, we newly designed and fabricated a linear actuator with double-sided primary and zero-field-cooled HTS bulk secondary. We measured starting thrust force and magnetic field distribution in the air gap between the bulk and the primary iron core at the stationary state. To evaluate dynamic characteristics of the linear actuator, we numerically investigated electromagnetic behavior within the bulk exposed to time-varying magnetic field using a simulation program based on the finite element method (FEM) taking the voltage-current (E-J) characteristic into consideration. Computed starting thrust force, displacement characteristic and field distribution between the bulk and the primary iron core were compared with the experimental results. Agreement between experiments and analyses was good. We also investigated the electromagnetic characteristics as a linear synchronous actuator with double-sided primary and field-cooled HTS bulk secondary.

    Original languageEnglish
    Pages (from-to)824-827
    Number of pages4
    JournalIEEE Transactions on Applied Superconductivity
    Volume12
    Issue number1
    DOIs
    Publication statusPublished - 2002 Mar

    Fingerprint

    Linear actuators
    actuators
    Iron
    Experiments
    iron
    thrust
    Magnetic fields
    electromagnetism
    Copper
    magnetic fields
    Actuators
    dynamic characteristics
    field theory (physics)
    finite element method
    Finite element method
    Electric potential
    copper
    Air
    air
    electric potential

    Keywords

    • Finite element method
    • Linear actuator
    • Superconducting bulk

    ASJC Scopus subject areas

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

    Cite this

    Trial production and experiment of linear actuator with double-sided primary and HTS bulk secondary. / Sadakata, Shungo; Ueda, Hiroshi; Tsuda, Makoto; Ishiyama, Atsushi.

    In: IEEE Transactions on Applied Superconductivity, Vol. 12, No. 1, 03.2002, p. 824-827.

    Research output: Contribution to journalArticle

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