Metal-encapsulated gas-insulated high-voltage line

Details Metal-encapsulated gas-insulated high-voltage line Metal-encapsulated gas-insulated high-voltage line

1984-08-28

1986-05-27

Grimley, Arthur T.

Electricity: conductors and insulators

With fluids or vacuum

Conduit or cable joints

174 21C, 174 28, H02G 1524

Patent

active

045916551

ABSTRACT:
A high-voltage line which includes a conductor supported in a metal encapsulation which is filled with insulating gas and which consists of pipe sections, the ends of which are welded together in a gas-tight manner at specially formed annular mating surfaces. A high-voltage conductor in the interior of the metal encapsulation is supported on partitioning insulators which divide the metal encapsulation into axially spaced cylindrical spaces. Between every two partitioning insulators one or more support insulators are arranged, each of which is located in a distinctly formed annular space. The body of the support insulator is comprised of insulating material having openings in it. The mating surfaces of the two pipe ends are separated by a V-shaped annular gap and are welded together by a welding seam which fills the annular gap. The welding seam has a root which extends annularly and which is electrically in contact with the metallic outer edge of the partitioning insulator or support insulator.

REFERENCES:
patent: 3814831 (1974-06-01), Olsen
patent: 3906149 (1975-09-01), Hashoff et al.
patent: 4105859 (1978-08-01), Cookson et al.
patent: 4288652 (1981-09-01), Kemeny et al.

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