High-temperature superconducting motor using y-ba-cu-0 bulk magnets

Yoshitaka Itoh, Yousuke Yanagi, Masaaki Yoshikawa, Tetsuo Oka, Shintaro Harada, Tsutomu Sakakibara, Yuh Yamada, Uichiro Mizutani

研究成果: Article査読

67 被引用数 (Scopus)

抄録

A DC motor equipped with melt-processed Y-Ba-Cu-0 (YBCO) superconductors as field magnets was constructed. The YBCO bulks were magnetized at temperatures of 65-77 K in a liquid nitrogen vessel by applying a pulsed magnetic field. The maximum output power was 940 W when the YBCO bulks were cooled to 65 K. Continuous running tests were carried out for up to 6 h. We found that the trapped magnetic fluxes are hardly affected by the magnetic field of 7500 A/m generated by the armature current and that cooling of the YBCO bulks to low temperatures is very effective for holding the trapped field at a high level and, hence, substantially elevating the performance of a high-temperature superconducting (HTSC) motor.

本文言語English
ページ(範囲)5574-5578
ページ数5
ジャーナルJapanese Journal of Applied Physics
34
10
DOI
出版ステータスPublished - 1995 10
外部発表はい

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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