Excitation test results on a single inner vertical coil for the Large Helical Device

Takahata,  K., Mito,  T., Nishimura,  A., Yamada,  S., Chikaraishi,  H., Yanagi,  N., Iwamoto,  A., Maekawa,  R., Imagawa,  S., Tamura,  H., Yamaguchi,  S., Satoh,  S., TANAHASHI,  S., Yamazaki,  K., Yamamoto,  J., Motojima,  O., EXSIV, Group, Kai,  T., Nakamoto,  K., Yoshida,  T., Wachi,  Y., Ono,  M.

説明

Excitation experiments on a single inner vertical coil for the Large Helical Device (LHD) were carried out to confirm its performance. The coil is one of the LHD's poloidal field coils and consists of a forced-flow Nb-Ti cable-in-conduit conductor (CICC). After cooldown for 250 hours, the superconducting transition of the whole coil was confirmed. Pressure drops were measured during the cooldown to determine the coil's hydraulic characteristics. Then, the coil was successfully energized up to the specified current, 20.8 kA. In the experiments, heat generation of joints, radial displacement and acoustic emission (AE) were measured.

収録刊行物

IEEE Transactions on Applied Superconductivity

IEEE Transactions on Applied Superconductivity Vol.7 (Issue 2), pp.477 - 480-, 1997-06-01

IEEE

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CRID: 1050564287429380992

HANDLE: 10655/3802

Web Site: https://nifs-repository.repo.nii.ac.jp/records/288

本文言語コード: en

資料種別: journal article

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Excitation test results on a single inner vertical coil for the Large Helical Device

説明

収録刊行物

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問題の指摘

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