Abstract

Equations of plasma equilibrium position perturbation dynamics of a tokamak have been developed. Neglecting secondary effects, an approximated equation of plasma high frequency oscillation is obtained and a low frequency dynamics function of plasma motion is derived. A symbolic form of the dynamics function allows a stability study of the tokamak's plasma equilibrium position. Knowledge of the dynamics function will permit an ordered analytical synthesis of plasma position feedback control systems which are necessary for a successful operation of a tokamak.

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