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Report No.

Development of magnetic sensors for JT-60SA

Takechi, Manabu; Matsunaga, Go; Sakurai, Shinji; Sasajima, Tadayuki; Yagyu, Junichi; Hoshi, Ryo*; Kawamata, Yoichi; Kurihara, Kenichi; JT-60SA Team; Nishikawa, T.*; Ryo, T.*; Kagamihara, S.*; Nakamura, Kazuo*

JT-60SA, which has fully super conducting coils, is under construction in order to demonstrate and develop steady-state high beta operation for supplement ITER toward DEMO. Three types of coils will be installed in the vacuum vessel for resistive wall mode (RWM) control, error field correction and also for edge localized mode (ELM) control. Biaxial magnetic sensors have been developed, because 3D information of magnetic configuration is necessary for these controls. Also, redesigned magnetic sensors for basic information of JT-60SA plasma, e.g. one-turn loop, Rogowski coils, diamagnetic loop and saddle coils have been developed, because manufacture and installation of these sensors are much more difficult for JT-60SA than those for JT-60U. The design and the specification of the magnetic sensors for JT-60SA will be reported from engineering and physics aspects.



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Category:Nuclear Science & Technology



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