Electricity: electrical systems and devices – Safety and protection of systems and devices – Superconductor protective circuits
Patent
1990-01-26
1991-02-19
Deboer, Todd E.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Superconductor protective circuits
361 58, 361 93, 323360, 338325, 505850, 505881, H02H 902
Patent
active
049949322
ABSTRACT:
A superconducting current limiting apparatus includes a first container, a superconducting current limiting element accommodated in the first container, a refrigerant filling the first container for cooling the superconducting current limiting element accommodated in the first container, a second container for accommodating the first container in such a manner that the first container is heat insulated, and a conductor for connecting the superconducting current limiting element to an external power supply system. Such a superconducting current limiting apparatus can be used to limit a short-circuit current. It can be incorporated in a short circuit controlling superconducting system.
REFERENCES:
patent: 3529210 (1970-09-01), Toshio et al.
patent: 3691491 (1972-09-01), Massar et al.
patent: 3715703 (1973-02-01), Croso et al.
patent: 4459495 (1984-07-01), Gheewah
Rideout, Close-cycle liquid nitrogen refrigeration system for low-temperature computer operation, IBM Technical Disclosure Bulletin, vol. 18, No. 4, pp. 1226-1229 Sep. 1975.
"Superconducting Fault Current Limiter", Section 12, K. E. Gray and D. E. Fowler, EPRI EL-276-SR Special Report, Apr. 1977.
Fujioka Tsutomu
Ikeda Hisatoshi
Ishikawa Masayuki
Mizoguchi Hitoshi
Nishiwaki Susumu
Deboer Todd E.
Kabushiki Kaisha Toshiba
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