Summary
This paper presents a comparative analysis of quench protection schemes for three conceptually distinct 16 T superconducting dipole magnet designs developed for the Future Circular Collider under the H2020 EuroCirCol collaboration. Using centralised analysis tools and consistent design constraints, the authors evaluated both novel CLIQ (Coupling Loss Induced Quench) technology and conventional quench heater protection systems. Both approaches proved capable of protecting magnets at nominal operating current, but CLIQ demonstrated superior peak temperature reduction and simpler operation with fewer protection units, leading to its selection as the baseline protection architecture for the FCC dipole programme.
UK applicability
This work is a European collaborative contribution to fundamental physics infrastructure development; whilst the UK may participate in or benefit from FCC research outcomes, the findings are specifically technical optimisations for a specialised particle accelerator project rather than applicable to UK agricultural, food production, or land management systems.
Key measures
Peak temperatures during magnet quench events; number of protection units required; operational efficiency of CLIQ versus heater-based systems
Outcomes reported
The study compared quench protection performance of CLIQ-technology versus traditional quench heaters across three 16 T dipole magnet designs for the Future Circular Collider. CLIQ was identified as the baseline protection option due to superior temperature management and operational simplicity.
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