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1.
Phased Array Ultrasonic Nondestructive Tests of Soldered Current-Carrying Bus-Bar Splices of Superconducting Magnets / Principe, Rosario (CERN) ; Vallejo, Louis Mora (CERN) ; Bailey, Jasper (West England U.) ; Berthet, Richard (AltéAd SA, Vernier) ; Favier, Ludovic (CERN) ; Grand-Clement, Ludovic (CERN) ; Savary, Frederic (CERN)
The main magnets of the Large Hadron Collider are powered by 13-kA superconducting bus-bars. The bus-bars from these magnets are electrically connected by the so-called splices, which are assembled by inductive soldering of the Rutherford-type cables and the copper profiles of the stabilizer. [...]
2018 - 8 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 9000708
In : 13th European Conference on Applied Superconductivity, ICCG, Geneva, Switzerland, 17 - 21 Sep 2017, pp.9000708
2.
Eddy current quality control of soldered current-carrying busbar splices of superconducting magnets / Kogan, L ; Nichipuruk, A ; Savary, F (CERN) ; Principe, R (CERN) ; Datskov, V ; Rozenfel'd, E ; Khudjakov, B
The eddy current technique associated with a U-shaped transducer is studied for the quality control of soldered joints between superconducting busbars ('splices'). Two other quality control techniques, based on X-rays and direct measurement of the electrical resistance, are also studied for comparison. [...]
2015 - Published in : Insight - Non-Destr. Test. Condition Monit. 57 (2015) 697-702
3.
Consolidation of the 13-kA Superconducting Magnet Circuits of the LHC at CERN / Lackner, F (CERN) ; Duret, M (CERN) ; Grand-Clement, L (CERN) ; Prin, H (CERN) ; Principe, R (CERN) ; Savary, F (CERN) ; Scheuerlein, C (CERN) ; Tock, J -Ph (CERN) ; Triquet, S (CERN) ; Verweij, A (CERN)
The first long shutdown (LS1) of the LHC machine at CERN started in February 2013. The main trigger for LS1 was the consolidation of the bus bar joints in the 13-kA superconducting magnet circuits. [...]
2015 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 25 (2015) 4802305
In : Applied Superconductivity Conference 2014, Charlotte, NC, USA, 10 - 15 Aug 2014, pp.4802305
4.
Quality Assurance of the 13-kA Superconducting Magnet Circuits Consolidation of the LHC at CERN / Principe, R (CERN) ; Gaasch, J B (CERN) ; Housiaux, O (CERN) ; Menu, S (CERN) ; Munawar, M (Islamabad, Pakistan AEC) ; Popescu, S (CERN) ; Savary, F (CERN)
The Large Hadron Collider (LHC) is designed to operate at a nominal energy of 14 TeV in the center of mass. Following the incident that occurred in 2008, LHC operated at intermediate energies ranging from 7 to 8 TeV to avoid any further risk of failure. [...]
2016 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4804205
In : 24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.4804205
5.

CMS-PHO-MAGNET-2002-022
© 2002 CERN, for the benefit of the CMS Collaboration
Test of the coil bus-bar way-out
Test de la sortie des bus-bars de la bobine

During the introduction of the coil inside the out [...]
16 Jun 2002
More >>
6.
Resistance of Splices in the LHC Main Superconducting Magnet Circuits at 1.9 K / Charifoulline, Zinour (CERN) ; Bednarek, Mateusz Jakub (CERN) ; Denz, Reiner (CERN) ; Le Naour, Sandrine (CERN) ; Scheuerlein, Christian (CERN) ; Siemko, Andrzej (CERN) ; Steckert, Jens (CERN) ; Tock, Jean-Philippe (CERN) ; Verweij, Arjan (CERN) ; Zerlauth, Markus (CERN)
The electrical interconnections between the LHC main magnets are made of soldered joints (splices) of two superconducting Rutherford cables, stabilized by a copper busbar. In 2009, a number of splices was found not properly stabilized and could have suffered a thermal runaway in case of quench at high current. [...]
2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4003405
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4003405
7.
Nondestructive Testing and Quality Control of the LHC Main Interconnection Splices / Heck, S (CERN) ; Solfaroli, M (CERN) ; Andreassen, O (CERN) ; Thonet, P (CERN) ; Scheuerlein, C (CERN) ; Ballarino, A (CERN) ; Bertinelli, F (CERN) ; Bottura, L (CERN) ; Fessia, P (CERN) ; Tock, J (CERN)
The Large Hadron Collider (LHC) main interconnection splices consist of Rutherford-type cable splice and busbar stabilizer splices. Busbar stabilizer splices have been consolidated during the first long LHC shutdown by soldering additional Cu shunts. [...]
2015 - 8 p. - Published in : IEEE Trans. Appl. Supercond. 25 (2015) 4000108
8.

CERN-PHOTO-7510294
© 1975-2022 CERN
John Adams brazing bus-bars in the SPS tunnel months ahead of schedule - in album: Completing one of the SPS circuits
Oct 1975
9.

CERN-PHOTO-7510290
© 1975-2022 CERN
John Adams brazing bus-bars in the SPS tunnel months ahead of schedule - in album: Completing one of the SPS circuits
Oct 1975
10.

CERN-PHOTO-7510291
© 1975-2022 CERN
John Adams brazing bus-bars in the SPS tunnel months ahead of schedule - in album: Completing one of the SPS circuits
Oct 1975

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