Electromagnetic Efficiency of Block Design in Superconducting Dipoles

Rossi, L.; Todesco, E.

doi:10.1109/tasc.2009.2017891

Cited by 5 publications

(1 citation statement)

References 20 publications

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“…Nb 3 Sn magnets are currently selected as the baseline technology, and one of the proposed designs features the block-coil geometry presented in section 3.3.4 [135][136][137][138][139][140][141][142][143][144]173]. This coil generates a dipole magnetic field B d =16 T with a transport current of about 18.6 kA.…”

Section: Cliq In a Chain Of 16 T Dipole Magnetsmentioning

confidence: 99%

CLIQ : a new quench protection technology for superconducting magnets

Ravaioli

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Section: Cliq In a Chain Of 16 T Dipole Magnetsmentioning

confidence: 99%

CLIQ : a new quench protection technology for superconducting magnets

Ravaioli

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Performance Characteristics of <inline-formula> <tex-math notation="TeX">$\hbox{Nb}_{3}\hbox{Sn}$</tex-math></inline-formula> Block-Coil Dipoles for a 100 TeV Hadron Collider

Sabbi

Bottura

Cheng

et al. 2015

IEEE Trans. Appl. Supercond.

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Quench Protection of a 16-T Block-Coil Dipole Magnet for a 100-TeV Hadron Collider Using CLIQ

Ravaioli¹,

Verweij²,

Kirby³

et al. 2016

IEEE Trans. Appl. Supercond.

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Abstract-Protection against the effects of a quench is a crucial challenge for 16 T class superconducting dipole magnets for a future 100 TeV Hadron collider. To avoid damage due to overheating of the coil's hot-spot, the heat generated during the quench has to be homogeneously distributed in the winding pack by quickly and uniformly transferring to the normal state voluminous coil sections. Conventional protection systems rely on quench heaters placed on the outer surfaces of the coils. However, this technique has to confront significant challenges in order to achieve the fast transitions required by high magnetic-field magnets. The recently-developed Coupling-Loss-Induced Quench (CLIQ) utilizes inter-filament coupling loss as an effective intra-wire heat deposition mechanism, which in principle is faster than thermal diffusion. Furthermore, the CLIQ technology is based on simple and robust electrical components in contact with the coil only in a limited number of easily accessible and well-insulated points. Hence, expected occurrence of failure and electrical breakdown is significantly reduced. As a case study, the design of a CLIQ-based protection system for a 14 meter long, 16 T, Nb3Sn block-coil dipole magnet is demonstrated here. Various magnet design features can be adjusted for improving CLIQ performance and optimize its integration in the magnet system. CLIQ provides future magnet designers with a solution for a very effective, yet electrically robust, quench protection system, resulting in better magnet performance and lower cost than would be possible with a traditional approach to magnet protection.

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Electromagnetic Efficiency of Block Design in Superconducting Dipoles

Cited by 5 publications

References 20 publications

CLIQ : a new quench protection technology for superconducting magnets

CLIQ : a new quench protection technology for superconducting magnets

Performance Characteristics of <inline-formula> <tex-math notation="TeX">$\hbox{Nb}_{3}\hbox{Sn}$</tex-math></inline-formula> Block-Coil Dipoles for a 100 TeV Hadron Collider

Quench Protection of a 16-T Block-Coil Dipole Magnet for a 100-TeV Hadron Collider Using CLIQ

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