IEEE Transactions on Applied Superconductivity 34(5) 1-5 2024年8月 [査読有り]
The JT-60SA Poloidal Field (PF) coils system comprises four Central Solenoid (CS) modules and six Equilibrium Field (EF) coils, and the cryostat, vacuum vessel (VV), and stabilizing plate (SP) are installed around the PF coil. Evaluating the volta...
IEEE Transactions on Applied Superconductivity 34(5) 1-6 2024年8月 [査読有り]
The JT-60SA central solenoid (CS) module is cooled to the operating temperature by the gas and supercritical helium. The cool-down tests of center solenoid model coil (CSMC), manufactured to validate the CS module manufacturing process for JT-60SA...
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 33(5) 2023年8月 [査読有り]
We have studied a magnetic levitation system including an HTS bulk as magnetic shield. This system consists of a ferromagnetic rail, HTS bulks, and HTS coil. In this paper, the vertical attractive force was discussed in two types of the analytical...
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 33(5) 2023年8月 [査読有り]
The authors previously proposed a quench protection method for a high-temperature superconducting (HTS) coil that uses Cu tape co-wound with HTS tape (Cu-CW method). In this method, when a quench occurs in the HTS coil, part of the current in the ...
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 33(5) 2023年8月 [査読有り]
The JT-60SA central solenoid (CS) module is cooled to 4.5 K using liquid helium. This cool-down operation of the coil is planned to take about one month. During cool-down, the maximum temperature difference in the coil (dT(C-M)) must be kept below...