Suppression of flux creep in HTS coil by applying low AC magnetic field

Kazuhiro Kajikawa, Tomokazu Honda, Kenta Tadakuma

研究成果: Contribution to journalArticle

抜粋

The suppression of flux creep in the central magnetic field of an higherature superconducting (HTS) coil is experimentally validated by applying a low ac magnetic field using additional coils. The HTS coil is fabricated using a Gd-based coated conductor, and a pair of the additional coils wound using copper wires, which are connected in series in the opposite direction, are located coaxially inside and outside the HTS coil. These coils are immersed in liquid nitrogen, and the temporal evolutions of the central fields in the axial direction by applying ac fields for short periods of time using the additional coils after the ramping processes of the HTS coil are observed using a Hall probe. The influences of the amplitude and frequency of ac field on the flux creep in the HTS coil are investigated experimentally.

元の言語英語
記事番号8246546
ジャーナルIEEE Transactions on Applied Superconductivity
28
発行部数3
DOI
出版物ステータス出版済み - 4 2018

All Science Journal Classification (ASJC) codes

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

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