Electricity: electrical systems and devices – Safety and protection of systems and devices – Superconductor protective circuits
Patent
1985-02-15
1987-08-18
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Superconductor protective circuits
361141, 335216, H02H 710
Patent
active
046881328
ABSTRACT:
A superconducting magnet system includes a cryostat having a cold shield, a superconducting magnet coil disposed in the cold shield, a two-stage cryogenerator connected to the magnet coil for cooling the magnet coil to an operating temperature substantially between 10 and 13K, and a flux pump connected to the magnet coil for feeding current to the magnet coil, the flux pump including a transformer having primary and secondary windings and superconducting switches having conductors, and the magnet coil, windings and conductors being formed of superconducting material having a high critical temperature.
REFERENCES:
patent: 3363207 (1968-01-01), Brechna
patent: 3568002 (1971-03-01), Robins
patent: 3848162 (1974-11-01), Ichikawa et al.
patent: 4559576 (1985-12-01), Ries
"Design of the BPA Superconducting 30 MJ Energy Storage Coil" by Hoffmann et al. IEEE Transaction of Magnetics vol May-17 No. 1, Jan.-1981.
Electrical Engineering, Feb. 1962, Syracuse, New York R. McFee: "Applications of Superconductivity to the Generation and Distribution of Electric Power" pp. 122-129.
Revern Science Instrumental, vol. 46, No. 5 May 1975 T. Bernat et al: "Automated Flux Pump for Energizing High Current Superconducting Loads" pp. 582-585.
IEEE Transactions on Magnetics, vol. MAG-19, No. 3, May 1983, IEEE New York, US M. O. Hoenig: "Design Concepts for a Mechanically Refrigerated 13 K Superconducting Magnet System" pp. 880-883.
IEEE Transactions on Magnetics, vol. MAG-17, No. 5, Sep. 1981, IEEE, New York, US M. A. Green: "Quench Protection and Design of Large High Current Density Superconducting Magnets" pp. 1793-1798.
Cyrogenics, vol. 13, No. 6, Jun. 1973, London, New York, Suilford K. Carroll: "Behaviour of a Flux Pump using an Automatic Superconducting Switch" pp. 353-360.
Cryogenics, vol. 13, No. 9, Sep. 1973, London, New York, Suilford R. Stevenson: "50 kG Gas Cooled Superconducting Solenoid Operated at 13 K" pp. 524-525.
Cyrogenics, vol. 21, No. 4, Apr. 1981, London, New York, Suilford L. Klundert et al.: "Fully Superconducting Rectifiers and Fluxpumps, Part 1: Realized Methods for Pumping Flux" pp. 195-206.
Cyrogenics, vol. 21, No. 5, May 1981, London, New York, Suilford L. Klundert et al.: "On Fully Superconducting Rectifiers and Fluxpumps, A Review, Part 2: Commutation Modes, Characteristics and Switches" Seiten 267-277.
Crogenics, VOL. 16, NO. 8, AUG. 1976, London, New York, Suilford C. Delage et al.: "Versatile High Performance Helium Cryostat With Vapor Cooled Shields" pp. 483-486.
BBC Aktiengesellschaft Brown, Boveri & Cie
Greenberg Laurence A.
Jennings Derek S.
Lerner Herbert L.
Pellinen A. D.
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