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Report No.

Design study of plasma control system on JT-60SA for high beta operation

Takechi, Manabu; Matsunaga, Go; Kurita, Genichi; Sakurai, Shinji; Fujieda, Hirobumi*; Ide, Shunsuke; Aiba, Nobuyuki; Bolzonella, T.*; Ferro, A.*; Novello, L.*; Gaio, E.*; Villone, F.*; JT-60SA Team

One of the important missions of JT-60SA is to demonstrate and develop steady-state high beta operation in order to supplement ITER toward DEMO. Specifications of plasma control system including the stabilizing plate, the RWM control coils, the error field correction coils and fast position control coils were determined based on simulations and expected plasma regime. Full non-inductive steady-state plasma with $$beta_{N} = 4.3$$ at $$I_{p}=2.3 $$ MA will be achieved with these control systems. Simulation of plasma disruption was also performed to evaluate design values of Electro Magnetic forces of components.



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