CALCULATION PROVISION OF THE DISCHARGE SCENARIO WITH OUTPUT TO THE CURRENT PLATEAU ON THE KTM TOKAMAK

РАСЧЁТНОЕ ОБЕСПЕЧЕНИЕ СЦЕНАРИЯ РАЗРЯДА С ВЫХОДОМ НА ПЛАТО ТОКА НА УСТАНОВКЕ КТМ
Dokuka V.N. Khayrutdinov R.R. Khayrutdinov E.N. Andreev V.F. Lee A.M. Chektybayev B.Zh. Olkhovik D.A.
2023 National Research Center Kurchatov Institute

Problems of Atomic Science and Technology, Series Thermonuclear Fusion
2023 #46 Issue 1 95 - 105 pp.

The article presents the results of testing the current scenarios developed and verified using the DINA code on the KTM tokamak during the autumn-winter campaign of 2021. The qualitative difference between the developed scenarios is an increase in the plasma current and discharge duration with a constant breakdown stag, as well as the presence of a software stage of reducing the plasma current before the discharge is completed. In addition, the technological limitations of the power supply sources of the coils and the requirement to minimize the current reversal in the control coils in the zone of near-zero currents were taken into account. The main goal of the scenarios obtained is the realization of a current plateau during the discharge with the presence of a stage of software reduction of the plasma current before the end of the discharge. The work carried out in 2021 was the next significant step towards bringing the KTM unit to design parameters.

current , current plateau , DINA plasma-physical code , KTM , plasma , scenario , scenario verification , tokamak

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NRC «Kurchatov Institute», Moscow, Russian Federation
JC «SSC RF «TRINITI», Moscow, Russian Federation
Tomsk Polytechnic University, Tomsk, Troitsk, Russian Federation
Institute of Atomic Energy of National Nuclear Center of the Republic of Kazakhstan, Kurchatov, Kazakhstan

NRC «Kurchatov Institute»
JC «SSC RF «TRINITI»
Tomsk Polytechnic University
Institute of Atomic Energy of National Nuclear Center of the Republic of Kazakhstan

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