Iter di magnetic diagnostics: design study of in-vessel electro-magnetic sensors

The interest on nuclear fusion devices as power generators has been growing since the last 25 years. As new competitors enter in the energy market and natural resources become not enough to satisfy the demand, the answer for the long term period is certainly the nuclear fusion. Although none of the operating nuclear devices has produced energy, as they operate as experimental machines, it is fundamental to study and understand the process in the light of future developments like ITER. In order to understand the several scenario that will be present in ITER many diagnostic systems will be installed, among them the magnetic diagnostic system is an essential tool to study and to control the plasma. This system, installed in-vessel and ex-vessel, gives instantaneous measurement of the magnetic field that allows determinating the main electromagnetic plasma parameters such as: plasma current; item plasma shape; item loop voltage; item Halo current distribution.