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MSC Seminars
Differential inductance of superconducting magnets: the role of coupling currents
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Europe/Zurich
30/7-010 (CERN)
Description
During test of HiLumi-Larp prototype magnets, the experimental evidence that the inductance measured at low ramp-rate cannot be used to describe well current decays has arose. A way to explain this fact is that coupling currents between superconducting filaments affect the magnet differential inductance. An electromagnetic model describing this effect have been developed and experimentally validated. This method is very useful to have more realistic and accurate simulations for superconducting magnets quench protection studies.
In this seminar, the electromagnetic model developed in order to compute the effect of coupling currents on magnet inductance is described. The experimental validation work is presented, and the effect on quench protection studies is discussed.