Quench Analysis of the Hybrid-Magnet Superconducting Outsert

• Published in: IEEE transactions on applied superconductivity Vol. 23; no. 6; pp. 19 - 25
• Main Authors: Ren, Yong, Kuang, Guangli, Chen, Wenge, Wang, Futang, Chen, Zhiyou
• Format: Journal Article
• Language: English
• Published: New York, NY IEEE 01.12.2013; Institute of Electrical and Electronics Engineers; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Applied sciences; Cable-in-conduit conductor (CICC); Capacitors. Resistors. Filters; Conductors (devices); Cooling; Delay; Delays; Electric connection. Cables. Wiring; Electrical engineering. Electrical power engineering; Electromagnets; Electronic equipment and fabrication. Passive components, printed wiring boards, connectics; Electronics; Exact sciences and technology; Helium; Magnetic fields; Niobium; Niobium-tin; quench; Resistors; Strain; Superconducting cables; Superconducting coils; superconducting magnet; Superconducting magnets; Superconductivity; thermal hydraulic performance; Various equipment and components; quench; Magnet; Hot spot; Thermal behavior; Protection circuit; Superconducting magnet; Pipe cable; High field; Delay time; Cable-in-conduit conductor (CICC); Electrical conductor; Magnetic field; Active circuit; Resistor; thermal hydraulic performance; Magnetic energy
• ISSN: 1051-8223; 1558-2515
• DOI: 10.1109/TASC.2013.2273533

Quench propagation analysis of the superconducting outsert for the 45-T hybrid magnet being built at the High Magnetic Field Laboratory, Chinese Academy of Sciences was performed. The superconducting outsert was wound with a Nb 3 Sn cable-in-conduit conductor cabled in a 316LN jacket cooled with supercritical helium at 4.5 K. The superconducting outsert can produce 11.0-T central magnetic field at an operating current of 13410 A. An active protection circuit with a dump resistor of 0.272 Ω was adopted to transfer the stored magnetic energy during a dump operation. In this paper, the magnetic field and strain of the superconducting outsert were analyzed. During a quench, the hot spot temperature of the cable and the helium pressure inside a jacket for different quench delay times were introduced.