Electricity: electrical systems and devices – Safety and protection of systems and devices – Superconductor protective circuits
Patent
1978-07-11
1980-12-02
Harris, George
Electricity: electrical systems and devices
Safety and protection of systems and devices
Superconductor protective circuits
335216, H02H 308
Patent
active
042375070
ABSTRACT:
The superconducting magnetic system comprises a superconducting sectionalized coil. Each section of the coil has a series-connected disconnector with a controlled shunt of superconducting material and normal zone detection unit connected in parallel to the coil section and its disconnector. Said coil is linked inductively with an energy removal device. The latter comprises a heat-insulated compartment cooled to cryogenic temperature. The compartment contains the disconnectors and at least one coil of normal metal and a jumper of superconducting material making up a closed electric circuit. Each controlled shunt and jumper is fitted with a control winding. The control windings of the shunts are linked electrically with the respective normal zone detection unit. The control winding of the jumper is linked electrically with each normal zone detection unit.
REFERENCES:
patent: 3363207 (1968-01-01), Brechna
patent: 3474294 (1969-10-01), Weaver, Jr. et al.
patent: 3691491 (1972-09-01), Massar et al.
patent: 3768053 (1973-10-01), Massar
Chalisov Jury I.
Golenchenko Valery A.
Meierovich Eduard A.
Rybin Igor V.
Shenderovich Pavel B.
Gosudarstvenny Nauchnoissledovatelsky Energetichesky Institut Im
Harris George
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