Field-Circuit Coupled Simulation of Magnetothermal Dynamics in an HTS Solenoid
Lorenzo Bortot  2, 1@  , Matthias Mentink  2@  , Arjan Verweij  2@  , Sebastian Schöps  1@  
2 : European Organization for Nuclear Research
Route de Meyrin 385, 1217 Meyrin -  Switzerland
1 : Technische Universität Darmstadt
Karolinenplatz 5, 64289 Darmstadt -  Germany

This paper shows the magneto-thermal dynamics of a quench in a HTS solenoid protected by a dump resistor. The analysis is carried out using a field/circuit coupling technique with the waveform relaxation scheme, implemented in the STEAM co-simulation framework. The field model implements a coupled field formulation for superconducting materials combined with solid conductors, and accounts for the dynamics of the solenoid. The circuit model is implemented in a network solver, which accounts for the the supply and protection circuitry. The approach is verified with a monolithic model. It allows for analyzing arbitrarily complex models, such as the circuits of superconducting magnets in particle accelerators.

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