Superconducting Cable for CBM Magnet
This content focuses on the development of a superconducting cable for the CBM magnet by Nikolay Mezentsev at BINP. The advancement in superconducting technology is crucial for enhancing the efficiency and performance of magnets in various applications, including the CBM project. This research highlights the innovation and progress in utilizing superconducting materials to achieve high magnetic field strength and stability. Understanding the design and implementation of such superconducting cables is essential for the success of projects like the CBM magnet.
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Presentation Transcript
Superconductng cable for CBM magnet Nikolay Mezentsev BINP
2 103 1 3.25 1.9 103 1.8 103 1.7 103 1.6 103 1.5 103 1.4 103 1.3 103 1.2 103 Current, A 1.1 103 1 103 900 800 700 686 600 500 400 300 200 100 0 0 1 2 3 4 5 6 7 8 9 10 . Magnetic field, Tesla CBM wire critical curve, 4.5K maximum field in the windings load line in median plane of magnet center field at working point working field in median plane of magnet center
Main producers of the SC wire: JSC "VNIINM" is developing design and manufacturing technology of wire, and study of fabricated wire. JSC "CHMZ" conducts the purchase and preparation of raw materials and manufactures the wire for the technological support of JSC "VNIINM JSC "VNIIKP" conducts the purchase of raw materials and makes the insulation on the wires made by JSC "CHMZ"
SC wire insulation Conductor insulation shall consist of 2 layers with a thickness of 0.05 mm polyimide tape and 2 layers with a thickness of 0.01 mm of glass fibre material (tape or braid). There is no any problem with the application of insulation in two layers of polyimide tape by double coil technology . The found tape allows to provide insulation in two layers. To date, VNIIKP managed to find a fiberglass material with a thickness of 0.1 mm, only a width of 15 mm when the width of the tape is possible only technology single winding with ~ 50 % overlap. The result will also be provided with two layers of fiberglass insulation but with some thin areas in 1 layer on the seams. At the moment VNIIKP has been working with suppliers of insulation in order to buy glass insulation the required width, 0.1 mm in thickness for applying insulation in two layers according to the technology of the double winding
