Lightning arrester for aerial electric power lines

Details Lightning arrester for aerial electric power lines Lightning arrester for aerial electric power lines

H - Electricity

02

H

317/10

H02H 1/04 (2006.01) H01R 4/64 (2006.01) H02G 7/22 (2006.01) H02G 13/00 (2006.01)

Patent

CA 1104637

LIGHTNING ARRESTER FOR AERIAL ELECTRIC POWER LINES ABSTRACT OF THE DISCLOSURE A tower extends above the ground and supports at a level above the ground at least one aerial electric power line. A coaxial shielded conductor includes a central conductor core, an outer conducting sheath, and an insulating layer between the core and the sheath. The upper end of the core is electrically connected to a conducting member adjacent the top of the tower. Both the lower end of the core and the lower end of the sheath are grounded. The sheath extends from substantially the area of connection of the core to the conducting member to a position below the power line, such that the lower end of the sheath is spaced below the power line at least by a distance sufficient to exclude the formation of a discharge arc between the core and the power line upon a lightning discharge.

319875

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