Electricity: conductors and insulators – With fluids or vacuum – Conduits – cables and conductors
Patent
1994-12-20
1996-11-05
Kincaid, Kristine L.
Electricity: conductors and insulators
With fluids or vacuum
Conduits, cables and conductors
174 28, 174 682, 174 99B, H02G 506
Patent
active
055719899
ABSTRACT:
A gas-insulated high-tension three-phase electricity line which includes a cylindrical steel case and three conductors disposed parallel to the axis of the case, and a magnetic screen constituted by a cylindrical aluminum case placed inside the steel case and very close thereto. The conductors are held by a plurality of sets of three insulating arms secured to one another, the conductors being free to slide through openings formed in the arms, the aluminum case being separated from the steel case by strips of plastics material or of filled polymer having a low coefficient of friction.
REFERENCES:
patent: 3652778 (1972-03-01), Sakai
patent: 3730968 (1973-05-01), Szente-Varga
patent: 3767837 (1973-10-01), Graybill
patent: 4161621 (1979-07-01), Bolin et al.
patent: 4316052 (1982-02-01), Matsuda
patent: 4458100 (1984-07-01), Cookson et al.
patent: 5089665 (1992-02-01), Thuries
Gaseous Dielectrics II, Proceedings of the 2nd Intl. Symposium on Gaseous Dielectrics, Knoxville, TN, Mar. 9-13, 1980, "Particle Traps in Gas-Insulated Systems", R. W. Afzelius & H. W. Bergqvist.
Guillen Marcel
Pham Van Doan
Thuries Edmond
Tixier Rene
GEC Alsthom T & D SA
Kincaid Kristine L.
Nguyen Chau N.
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