Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent
1977-12-28
1980-01-15
Grimley, Arthur T.
Electricity: conductors and insulators
With fluids or vacuum
With cooling or fluid feeding, circulating or distributing
174128S, H01B 1200
Patent
active
041840429
ABSTRACT:
A multisection superconducting cable for carrying alternating current and comprising a heat insulation envelope, a superconductive shield with a stabilizing substrate and an electrical portion for carrying an electrical current and including at least one conductor assembly of two coaxial cores, one of which cores is made tubular and provided with a superconductive layer and a stabilizing substrate, another core running inside said tubular core. The stabilizing substrates of each section of the electrical portion and of the shield are formed by local segments of a stabilizing material which segments are separated by a material of a lower electrical conductivity than the stabilizing material, the resistance of the stabilizing substrates within each section being in excess of the impedance of the electrical portion of this section. Both the cores of the electrical portion are electrically connected at least in the points intended to be used for connection of terminal devices, the inner core being made of a normal metal and the thickness of the stabilizing material of the substrate being not in excess of the effective depth of penetration of alternating current.
The proposed cable can find its practical utilization in superconducting transmission systems.
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Golenchenko Valery A.
Rybin Igor V.
Schedrin Vladimir G.
Shenderovich Pavel B.
Shevchenko Igor S.
Gosudarstvenny Nauchno-Issledovatelsky Energetichesky Institut I
Grimley Arthur T.
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