Combination strut insulator and lightning arrester

Details Combination strut insulator and lightning arrester Combination strut insulator and lightning arrester

1982-09-30

1984-08-21

Askin, Laramie E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

174 2, 174139, 174140S, 174178, 361127, 361137, H02H 906, H01T 116, H01B 1746

Patent

active

044673876

ABSTRACT:
An elongated, insulative tube of high mechanical strength is equipped with fittings at each end for electrical connection with a high voltage transmission line and a grounded tower. An external spark gap is provided between a first arcing ring mounted in electrical connection with one end fitting and a second arcing ring mounted to the tube intermediate its ends and electrically connected with a contact member disposed within the tube. The portion of the tube interior between the contact member and the other end fitting is packed with a series array of varistor discs. The tube maintains the line in spaced relation with the tower, while the varistor array and spark gap absorb voltage surge differentials between the line and tower.

REFERENCES:
patent: 1937296 (1933-11-01), Sporn et al.
patent: 2587587 (1952-03-01), Bellezza et al.
patent: 4092694 (1978-05-01), Stetson
patent: 4270160 (1981-05-01), Nagai

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