Abstract
Powerful electromagnetic transients characterize the operation of the ITER superconducting magnet system. This is especially the case for so-called plasma disruptions, but also during plasma current initiation and termination and during the fast discharge of the magnets for quench protection. To model these electromagnetic transients the CARIDDI code (Albanese and Rubinacci, 1988) has been used to calculate the induced voltages in several magnet quench detection loops during operational events of interest. The numerical model implemented in CARIDDI, based on an integral formulation discretized in terms of edge elements, is shown to be particularly well suited for analysing these transients which require a high level of precision. Note that, although we will mostly present results obtained with CARIDDI, all calculations were cross-checked with other codes and methods, most notably (ANSYS Maxwell, 2022).
Published Version
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