Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent
1980-02-01
1982-04-27
Mayewsky, Volodymyr Y.
Electricity: conductors and insulators
With fluids or vacuum
With cooling or fluid feeding, circulating or distributing
174126S, 174128S, 29599, H01B 1200, H01B 734
Patent
active
043272444
ABSTRACT:
Superconductive cables are disclosed including wires containing filaments of a superconductive material embedded in a matrix material which is normally conductive at low temperature. Undesirable inductive currents are created within the matrix material which partially flow along the filaments due to flucuations or changes in the magnetic field or due to variations in an external magnetic field. In order to suppress such undesirable currents and the losses connected therewith, the wires are twisted and cabled to form twisted strands of wires. The strands of wires are additionally twisted or entwined into bundles of twisted wire strands. This additional measure permits a systematic transposition of the wires and thus a suppression of the interference currents heretofore unattainable. In a preferred embodiment of the disclosed superconductive cable, the conductor wire strands are twisted or entwined with cooling pipes which permit an even cooling of the cable across its entire cross section.
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Horvath Imre
Kwasnitza Kurt
BBC Brown Boveri & Company Limited
Mayewsky Volodymyr Y.
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