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Fabrication of the R&D forced-flow poloidal coil (TOKI-PF)

S. Mizumaki, K. Nakamoto, K. Yamamoto, Y. Wachi, O. Motojima1993年Fusion Engineering and DesignIF 1.7出版社

AbstractA forced-flow NbTi superconducting poloidal coil (TOKI-PF) using a cable-in-conduit conductor (CICC) was fabricated as an R&D project for the LHD coils. The main objective of TOKI-PF is to gather engineering data for the superconducting poloidal field coil. The major parameters are as follows: inner and outer radii 0.6 and 0.82 m, respectively, operating current 25.6 kA, stored energy 1.04 MJ, conductor NbTi CICC sized 10.0 × 22.5 mm. The mechanical coil configuration and nominal current of 25.6 kA simulate those of the LHD poloidal coils. Useful technical data were obtained and the feasibility of fabricating the LHD poloidal coils was confirmed. In this paper, preliminary test results will also be described.

日本語訳

強制流動型NbTi超伝導ポロイダルコイル(TOKI-PF)は、ケーブル・イン・コンジット導体(CICC)を用いて、LHDコイルのための研究開発プロジェクトとして製作された。TOKI-PFの主な目的は、超伝導ポロイダル磁場コイルに関する工学的データを収集することである。主要パラメータは以下のとおり:内半径0.6m、外半径0.82m、運転電流25.6kA、蓄積エネルギー1.04MJ、導体はNbTi CICCで断面寸法10.0mm×22.5mmである。機械的コイル構造および25.6kAの定格電流は、LHDポロイダルコイルのものを模擬している。有用な工学的データが得られ、LHDポロイダルコイルの製作可能性が確認された。本論文では、予備試験結果についても述べる。

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