By Topic

Study of the Protection System for \hbox {Nb}_{3}\hbox {Sn} Cos-Theta NED Dipole

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Sorbi, M. ; Phys. Dept., Milan Univ., Segrate ; Granata, V. ; Volpini, G. ; Zamborlin, D..

The Next European Dipole (NED) Collaboration has the scope to promote the study and development of a high magnetic field (15 T conductor peak field) and large aperture (88 mm) dipole magnet aimed at LHC upgrade and at the next generation colliders. Among different configurations, a classical cosine-theta solution is considered. This magnet will be based on a high current density (Jc around 1500 A/mm2 @ 15 T, 4.2 K in the noncopper section) Nb3 Sn superconductor, and will have a high stored magnetic energy (1.8 MJ/m, i.e. 8 times higher than for one LHC dipole), that makes the magnet protection extremely critical. In this paper we have investigated the quench propagation assuming different dump resistance values and operating conditions (quench heaters efficiency, delay time for the Quench Detector System), in order to optimize the protection system in terms of peak temperatures in the coils and maximum voltage drops. The study is performed by using two quench propagation codes, which exploit different approaches, in order to further validate our conclusions

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:16 ,  Issue: 2 )