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Report No.

Study of JT-60SA operation scenario using a plasma equilibrium control simulator

Miyata, Yoshiaki; Suzuki, Takahiro; Ide, Shunsuke; Urano, Hajime; Fujita, Takaaki

The precise control of the plasma position is a key issue in safe and stable plasma operation. A plasma equilibrium control simulator has been developed in order to study the techniques of plasma equilibrium control for JT-60SA. The simulator consists of an equilibrium solver and controller. The equilibrium solver identifies the plasma equilibrium under the given coil current and unknown eddy current by iteration. The function which calculates the self-consistent $$I$$$$_{rm p}$$ with magnetic flux consumption has been incorporated in order to simulate the $$I$$$$_{rm p}$$ control. The waveforms of JT-60SA plasma operation scenario during the $$I$$$$_{rm p}$$ ramp-up and the controllability of the plasma equilibrium control using the equilibrium control simulator were reported.



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