Gas-insulated high-tension line for long distances
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United States of America Patent
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Nov 5, 1996
Grant Date -
N/A
app pub date -
Dec 20, 1994
filing date -
Dec 21, 1993
priority date (Note) -
Expired
status (Latency Note)
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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.
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