An 8 T Superconducting Split Magnet System With Large Crossing Warm Bore

A conduction-cooled superconducting split magnet system with large crossing warm bore is designed and will be developed for material processing applications. The magnet is composed of eight coaxial coils and assembled in the form of split coil groups. Both the Bi2223/Ag HTS superconducting tape and...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2010-06, Vol.20 (3), p.608-611
Main Authors: Dai, Yinming, Wang, Qiuliang, Wang, Housheng, Zhao, Baozhi, Song, Shousen, Chen, Shunzhong, Lei, Yuanzhong, Huang, Hou-Cheng
Format: Article
Language:English
Subjects:
Applied sciences
Boring
Coils
Conduction-cooled
Electrical engineering. Electrical power engineering
Electromagnets
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
High temperature superconductors
HTS
large bore
MAGNETIC FIELD
Magnetic fields
MAGNETS
Materials
Materials processing
Niobium base alloys
Niobium compounds
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Silver
split magnet
Superconducting coils
Superconducting devices
Superconducting filaments and wires
Superconducting films
superconducting magnet
Superconducting magnets
Superconducting materials
Superconducting tapes
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TAPE
Titanium compounds
Various equipment and components
WIRE
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Description
Summary:A conduction-cooled superconducting split magnet system with large crossing warm bore is designed and will be developed for material processing applications. The magnet is composed of eight coaxial coils and assembled in the form of split coil groups. Both the Bi2223/Ag HTS superconducting tape and NbTi LTS superconducting wires are used to generate a central magnetic field of 8 T, maximum of 11 T in the horizontal warm bore. The split gap between the coils is as large as 136 mm to accommodate the crossing warm bore of 100 mm in diameter. The superconducting split magnet will be conduction-cooled by two GM cryocoolers. The HTS coils and NbTi coils are to be operated in driven mode with two independent power supplies. The operation currents are 200 A (HTS) and 136 A (NbTi) respectively. Magnetic design, stress and strain analysis as well as magnet operation and protection are presented in this paper.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2010.2042940