Vacuum insulated A-C superconducting cables

Details Vacuum insulated A-C superconducting cables Vacuum insulated A-C superconducting cables

1975-01-03

1976-03-30

Grimley, Arthur T.

Electricity: conductors and insulators

With fluids or vacuum

With cooling or fluid feeding, circulating or distributing

174 27, H01B 1200

Patent

active

039476227

ABSTRACT:
A three-phase high-voltage superconducting cable having three hollow superconductors in a trefoil configuration and three heat shields disposed radially outward from the superconductors, all enclosed in an evacuated pipe. The heat shields are also in a trefoil configuration; they are electrically isolated from one another, from the superconductors, and from ground in order to suppress the flow of induced currents. The pipe provides mechanical protection of the foregoing elements, serves as vacuum vessel and carries the a-c shielding current induced by the cable load current.

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patent: 3686422 (1972-08-01), Doose
patent: 3723634 (1973-03-01), Aupoix et al.
patent: 3726985 (1973-04-01), Aupoix et al.
patent: 3743760 (1973-07-01), Sassin
patent: 3749811 (1973-07-01), Bogner et al.
patent: 3780205 (1973-12-01), Aupoix et al.
patent: 3808351 (1974-04-01), Moisson-Frankhauser

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