Construction of the stator installed in the superconducting magnetic bearing for a 10 kWh flywheel

N. Koshizuka, K. Matsunaga, N. Yamachi, A. Kawaji, H. Hirabayashi, M. Murakami, M. Tomita, S. Une, S. Saito, M. Isono, H. Nasu, T. Maeda, F. Ishikawa

研究成果: Article

13 引用 (Scopus)

抜粋

We fabricated a superconducting magnetic bearing module consisting of a stator of epoxy resin impregnated YBaCuO bulks and a rotor of NdFeB permanent magnet circuits. We obtained levitation force density of 10.5 N/cm2 at 67 K and rotation loss per levitation force of 2.5 mW/N at 77 K. The rotation loss was reduced by the decrease of magnetic field inhomogeneity in the circular direction along the ring shape permanent magnet of the rotor. Based on these results we constructed a stator consisting of five modules and installed in the form of superconducting magnetic bearing for a 10 kWh class flywheel energy storage test system.

元の言語English
ページ(範囲)756-760
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
412-414
発行部数SPEC. ISS.
DOI
出版物ステータスPublished - 2004 10 1

ASJC Scopus subject areas

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

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    Koshizuka, N., Matsunaga, K., Yamachi, N., Kawaji, A., Hirabayashi, H., Murakami, M., Tomita, M., Une, S., Saito, S., Isono, M., Nasu, H., Maeda, T., & Ishikawa, F. (2004). Construction of the stator installed in the superconducting magnetic bearing for a 10 kWh flywheel. Physica C: Superconductivity and its applications, 412-414(SPEC. ISS.), 756-760. https://doi.org/10.1016/j.physc.2004.01.100