A5040028646- Superconducting Materials and Applications
- Particle accelerators and beam dynamics
- Magnetic confinement fusion research
- Fusion materials and technologies
- Particle Accelerators and Free-Electron Lasers
- HVDC Systems and Fault Protection
- Non-Destructive Testing Techniques
- Electrical Fault Detection and Protection
- Electric Motor Design and Analysis
- Graphite, nuclear technology, radiation studies
- Magnetic Properties and Applications
- Magnetic Properties of Alloys
- Electronic Packaging and Soldering Technologies
Fusion for Energy
2011-2024
European Organization for Nuclear Research
2004-2006
The ITER magnetic system includes 18 Toroidal Field (TF) Coils constructed using Nb <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> Sn cable-in-conduit superconductor. Each TF coil comprises a Winding Pack (WP) composed of 7 Double Pancake (DP) modules stacked together, impregnated and inserted into stainless steel case. Fusion for Energy [the European Domestic Agency (DA)] is responsible the procurement ten while Japanese DA remaining...
The ITER magnetic system includes 18 Toroidal Field (TF) Coils using Nb3Sn cable-in-conduit superconductor. Each TF coil, about 300-t in weight, is made by a Winding Pack (WP) composed 7 Double Pancakes (DP) modules stacked together, impregnated and inserted stainless steel coil case. DP Radial Plate (RP), very large D-shaped plate with grooves machined on spiral path both sides, which the insulated conductor after heat treatment. procurement of coils will be carried out Fusion for Energy...
The ITER magnetic system includes 18 toroidal field (TF) coils constructed using a Nb3Sn cable-in-conduit superconductor. Each TF coil comprises winding pack (WP) composed of seven double pancake (DP) modules stacked together, impregnated, and inserted into stainless steel case. Ten are being produced in Europe, under the responsibility Fusion for Energy (F4E) (the European Domestic Agency), whereas remaining nine Japan. F4E has implemented procurement strategy aimed to minimize costs risks...
This paper reflects the status of manufacturing 2 Radial Plate prototypes for EU ITER TF Coils. The production these will supply valuable information total required number 70 Plates, in terms technologies, optimization cost, time and risks.
The superconducting magnet system of ITER consists four main sub-systems: Toroidal Field (TF) coils, Central Solenoid (CS) coils; Poloidal (PF) and Correction Coils (CC). Like many other systems, the components are supplied in-kind by six Domestic Agencies (DAs). technical specifications, manufacturing processes procedures required to fabricate these particularly challenging. management structure organization realize this procurement within tight construction schedule is very complex. Fusion...
The International Thermonuclear Experimental Reactor is an international scientific project with the aim of building a tokamak fusion reactor capable producing at least 10 times more energy than that spent to sustain reaction. In reaction magnetically confined and toroidal field coil system plays primary role in this confinement. Fusion for Energy, European Domestic Agency ITER, responsible supply out 19 coils. Their procurement has been subdivided three main work packages: production 70...
The plasma confinement of the International Tokamak Experimental Rector (ITER) is provided by magnetic field generated 18 toroidal (TF) coils while 6 poloidal (PF) and central solenoid have function to drive, shape pre-heat plasma. Fusion for Energy (F4E), European Domestic Agency ITER, responsible supply 10 TF 5 PF ITER project. Organization (IO) team instead design such as well coordination activities different Agencies (DAs) producing components, their assembly into Tokamak. utilize NbTi...
The International Thermonuclear Experimental Reactor (ITER) magnetic system includes 18 toroidal field (TF) coils constructed using Nb <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> Sn cable-in-conduit superconductor. Each TF coil comprises a winding pack (WP) composed of seven double pancake modules stacked together, impregnated and inserted into stainless steel case. Ten are being produced in Europe, under the responsibility Fusion...
The plasma confinement of the International Tokamak Experimental Reactor (ITER) is provided by magnetic field generated 18 toroidal coils. Fusion for Energy (F4E), European Domestic Agency ITER, responsible supply 10 TFC to ITER project. Their procurement has been divided into three main work packages: I) production radial plates, structural stainless steel components housing Nb3Sn conductors, II) manufacture Winding Packs (WP) and III) cold test WP plus their insertion Coil Cases. This...
The Iter TF joints are of a twin-box design and the critical parameters overall resistance 1) contact between cable termination, 2) two terminations. This paper describes applicability non-destructive examination (NDE) to these joints. TFEU joint was adapted make demountable area artificially degraded. Joint measured in range 30-70 kA, 0-6 T. With no artificial degradation, be better than inter-pancake criterion 3 nΩ at 2 T, 68 kA. At high fields (6 T) voltage-current (V I) characteristic is...
In this paper, we will report on the manufacturing of 6 helium inlet mock-ups for EU ITER TF coils, and results mock-up tests other qualification activities carried out in European industry subject.
The first ITER's European Toroidal Field Coil (TFC) is going to be assembled in 2019. TFC composed mainly by the superconducting Winding Pack (WP - manufactured Europe), and Cases (TFCC Japan), which provide structural integrity magnet offer interface connections with rest of machine. Dimensional measurements other manufacturing data are taken during WP manufacture used reconstruct Current Centre Line (CCL), defined as barycentre as-built conductors inside WP. CCL useful characterize...
The ITER is an international scientific project with the aim of building a tokamak fusion reactor capable producing ten times more energy than that spent to sustain reaction. reaction magnetically confined, and toroidal field (TF) coil system plays primary role in this confinement. Fusion for Energy, which European Domestic Agency (EU-DA) ITER, responsible supply 10 out 19 TF coils. In May 2014, F4E signed contract SIMIC SpA (BNG GmbH as main subsupplier) carry final step procurement finally...
The LHC ring will contain 1232 main dipole and 382 quadrupole double aperture magnets. All magnets are superconducting employ Nb-Ti/Cu Rutherford type cables operated at 1.9 K. production has reached the equivalent of almost three octants cold masses nearly four collared coils. 75 over 150 bare ramping up large scale magnet posed several challenges which be discussed, like: coil size uniformity, pre-stress control, mass welding technique geometrical shape issues. magnetic measurement results...
The first European superconducting winding pack (WP) and the set of coil cases [toroidal field (TFCC)] for ITER are going to be delivered in 2017. TFCC steel structures that provide structural integrity WP, contribute neutron shielding capacity, support operating forces, offer interface connections with rest machine. assembly is formed by four main parts: two sectors U-shaped section closure plates, which, after being welded together, enclose WP. Each weights about 150 t presents a wall...
This paper reflects the status of manufacturing 70 radial plates (RPs) for EU ITER TF Coils. About 3700 t stainless steel 316 LN have been forged and 240 cover plate (CP) raw material bars procured procurement RPs. Each RP is composed six segments welded using local vacuum EB Welding technology 35 RPs narrow-gap TIG other All are finally machined to final dimensions (9 m × 14 m) tolerances large portal milling machines. The groove length, planarity, D-shape form most challenging required...
A principal part of the ITER fusion reactor is Toroidal Field magnet system which consists 18 “D” shaped coils. Fusion for Energy, (F4E), European Domestic Agency ITER, responsible procurement 10 such The completed coils, measuring approximately 14 m × 9 and weighing 300 tons, comprise an outer structural case into a “winding pack”, itself made up 7 conductor double pancake radial plate assemblies, inserted. winding packs will be largest ever built using Nb <sub...
Abstract In 2023, the manufacturing of all ITER TF coils has been completed 15 years after sign procurement arrangements in 2008. This paper jointly submitted by F4E and QST to recollect lessons learnt production two parties along last years.
The LHC accelerator, at present under construction CERN, Geneva, will make use of 1232 superconducting dipole magnets. coils are wound with Rutherford type cable based on copper stabilized NbTi superconductors. machine be operated 1.9 K in superfluid helium. unprecedented mass production the magnets, which involves three main contractors Europe, is running steadily according to plan. This paper reports outstanding technical issues encountered throughout execution manufacturing steps, coil...
For the LHC dipoles , mandatory electrical integrity tests are performed to qualify cold mass (CM) at four production stages: individual pole, collared coil, CM before end cover welding and final CM. A description of measurement equipment its recent development presented. After passing demands set out in specification, results transmitted CERN where they further analyzed. The paper presents most important these measurements. We also report a review nonconformities encountered e.g. inter-turn...
The magnetic field, necessary for the plasma confinement in International Thermonuclear Experimental Reactor (ITER), Cadarache, France, is provided by 18 Toroidal Field Coils (TFC). In each coil, this field produced circulating a current of 68 kA through 4.5 km Nb3Sn cable-in-conduit superconductor, which assembled into mechanical structure capable withstanding huge Lorentz forces produced. Fusion Energy, European Domestic Agency ITER, responsible supply 10 TFC. This article gives an...
The manufacturing of the 1232 Superconducting Main Dipoles for LHC is under way at three European Contractors: Alstom-Jeumont (Consortium), Ansaldo Superconduttori Genova and Babcock Noell Nuclear. proceeding in a very satisfactory March 2005 mid production was achieved. To intercept eventually “weak points” process still present order to make check Quality Assurance Control place series production, an Audit action launched by CERN during summer-fall 2004. Aspects like: completion Production...
The procurement of a pre-series 90 Main Dipole was decided as the first step towards series production 1232 Arc Dipoles within LHC magnet program. is already completed at one Contractor's site and approaching completion other two companies. Technical aspects: manufacturing tolerances, difficulties, evaluation on Non-Conformities appearing during short overview performance are presented.