System for underground distribution of electrical power and elec

Details System for underground distribution of electrical power and elec System for underground distribution of electrical power and elec

1977-02-03

1978-05-23

Smith, Jr., David

Electrical transmission or interconnection systems

Anti-electrolysis

204147, 204196, H01B 728

Patent

active

040912914

ABSTRACT:
A system for the underground distribution of electrical power is provided and includes an electrical cable construction particularly adapted for use underground; and, the cable construction has a central conductor, a tubular insulator system for the conductor, a dual-purpose sacrificial anode supported by the insulator system and extending along substantially the full length of such insulator system, and a concentric neutral conductor supported by the insulator system and engaging the anode at a plurality of points therealong, with the dual-purpose sacrificial anode protecting the concentric neutral conductor against galvanic and soil corrosion as well as reducing AC corrosion of the concentric neutral conductor by providing additional surface area for the dissipation of currents leaving the neutral conductor.

REFERENCES:
patent: 2446387 (1948-08-01), Peterson
patent: 2491225 (1949-12-01), Stearns
patent: 3578982 (1971-04-01), Nelson
patent: 3707595 (1972-12-01), Plate
patent: 3927247 (1975-12-01), Timmons

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