The Positions and Number of Flux Loops and Magnetic Probes for the HT-7U Superconducting Tokamak

Abstract

The plasma shape and other parameters such as βp, li is important for the tokamak deveice where the plasma has a non-circular cross-section of sufficient elongation. The measured signals of magnetic probes and flux loops are used to reconstruct the plasma shape and the current profile in device operation and plasma shape feed back control system. So the number and positions of magnetic probes and flux loops provides the basis of the plasma reconstruction. This paper instroduce how to use EFIT code (equilibrium fitting code) to determine the number and positions of the magnetic probes and flux loops. The simulation result is given also.