Abstract
The superconducting magnet system of ITER consists of four main sub-systems: toroidal field coils, central solenoid coils; poloidal field coils; and correction coils. Like many other ITER systems, the magnet components are supplied in-kind by six domestic agencies. The technical specifications, manufacturing processes and procedures required to fabricate these components are particularly challenging. The management structure and organization to realize this procurement within the tight ITER construction schedule is very complex. On the other hand, all plasma processes including linear and early nonlinear stages of MHD instabilities, transport and plasma flows, waves, micro-instabilities and turbulence, represent different kinds of deviations from MHD equilibrium and thus require accurate calculations of equilibrium configurations. The simplest useful mathematical model to describe equilibrium in fusion plasmas is achieved by combining MHD equations with Maxwell’s equations. The final result is the Grad–Shafranov (GS) equation. Analytical solutions to the GS equation are an aid to theoretical investigations into plasma equilibrium, stability and transport in axisymmetric plasmas. In this paper a special analytical solution for GS equation and also simulation of equilibrium by TEQ code for ITER were presented.
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