低温工学
テーマ解説
REBCO コイルにおける遮蔽電流磁場のメカニズムと抑制方法
柳澤 吉紀前田 秀明
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ジャーナル フリー

48 巻 (2013) 4 号 p. 165-171

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REBCO conductors were commercialized only recently in 2009 and therefore the magnet technology for REBCO conductors remains undeveloped. The major technological problems for REBCO coils encountered thus far are (a) degradation in the superconducting performance for mechanical reasons, (b) difficulty in protecting the magnet in the case of a super-normal transition of the REBCO coil and (c) the enormous effect of a screening-current-induced magnetic field. In this paper, the basic mechanism of the screening-current-induced magnetic field and effective remedies for suppressing the screening field is investigated through experiments and numerical simulations.

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© 2013 公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
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