Stability test results on the aluminum stabilized superconductor for the helical coils of LHD

Nagato Yanagi; Takashi Satow; Toshiyuki Mito; Shinsaku Imagawa; Kazuya Takahata; Akifumi Iwamoto; Hirotaka Chikaraishi; Satarou Yamaguchi; Sadao Satoh; Osamu Motojima; Soh Noguchi; Atsushi Ishiyama

doi:10.1109/77.783493

Stability test results on the aluminum stabilized superconductor for the helical coils of LHD

Nagato Yanagi^*, Takashi Satow, Toshiyuki Mito, Shinsaku Imagawa, Kazuya Takahata, Akifumi Iwamoto, Hirotaka Chikaraishi, Satarou Yamaguchi, Sadao Satoh, Osamu Motojima, Soh Noguchi, Atsushi Ishiyama

^*この研究の対応する著者

先進理工学部

研究成果: Article › 査読

9 被引用数 (Scopus)

抄録

Stability tests have been carried out on short samples of the aluminum/copper stabilized composite-type superconductors developed and used for the pool-cooled helical coils of the Large Helical Device. The waveform of the longitudinal voltage initiated by resistive heaters shows a short-time rise before reaching a final value, which seems to correspond to the diffusion process of transport current into the pure aluminum stabilizer. The propagation velocity has a finite value even for the transport current being lower than the recovery current, and it differs depending on the direction with respect to the transport current.

本文言語	English
ページ（範囲）	1113-1116
ページ数	4
ジャーナル	IEEE Transactions on Applied Superconductivity
巻	9
号	2 PART 1
DOI	https://doi.org/10.1109/77.783493
出版ステータス	Published - 1999

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学
電子工学および電気工学

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AU - Yanagi, Nagato

AU - Satow, Takashi

AU - Mito, Toshiyuki

AU - Imagawa, Shinsaku

AU - Takahata, Kazuya

AU - Iwamoto, Akifumi

AU - Chikaraishi, Hirotaka

AU - Yamaguchi, Satarou

AU - Satoh, Sadao

AU - Motojima, Osamu

AU - Noguchi, Soh

AU - Ishiyama, Atsushi

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AB - Stability tests have been carried out on short samples of the aluminum/copper stabilized composite-type superconductors developed and used for the pool-cooled helical coils of the Large Helical Device. The waveform of the longitudinal voltage initiated by resistive heaters shows a short-time rise before reaching a final value, which seems to correspond to the diffusion process of transport current into the pure aluminum stabilizer. The propagation velocity has a finite value even for the transport current being lower than the recovery current, and it differs depending on the direction with respect to the transport current.

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Stability test results on the aluminum stabilized superconductor for the helical coils of LHD

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