Stabilizing effects of limiter-generated currents in the TO-2 tokamak

Plasma stability in tokamaks depends strongly on the radial distribution of the current close to the plasma edge. This paper describes experiments in which the current distribution has been influenced, in the TO-2 tokamak, by applying an external current source to the tokamak limiter elements in con...

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Bibliographic Details
Published in:Journal of nuclear materials 1990-12, Vol.176, p.518-521
Main Authors: Bogdanov, V.F., Gurov, A.A., Ivanov, N.V., Kakurin, A.M., Kovrov, P.E., Martynov, D.A., Mukhin, P.A., Papkov, L.N., Shvindt, N.N., Soloviev, V.E., Volkov, V.V., Vukolov, K.Yu
Format: Article
Language:English
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Summary:Plasma stability in tokamaks depends strongly on the radial distribution of the current close to the plasma edge. This paper describes experiments in which the current distribution has been influenced, in the TO-2 tokamak, by applying an external current source to the tokamak limiter elements in contact with the plasma. The edge current has been shown to affect the plasma MHD stability. When the edge current direction coincides with the discharge current, suppression of the MHD perturbations occurs.
ISSN:0022-3115
1873-4820
DOI:10.1016/0022-3115(90)90099-9