Overhead electric power transmission line jumpering system for b

Details Overhead electric power transmission line jumpering system for b Overhead electric power transmission line jumpering system for b

1980-09-24

1982-04-06

Askin, Laramie E.

Electricity: conductors and insulators

Overhead

Distributing and/or plural point support

H02G 700

Patent

active

043237223

ABSTRACT:
Jumpering of electric power transmission lines at a dead end tower. Two transmission line conductor bundles each contain five or more spaced apart subconductors (5) arranged in the shape of a cylinder having a circular cross section. The ends of each bundle of subconductors are attached with insulators to a dead end tower (1). Jumpering allows the electric current to flow between the two bundles of subconductors using jumper buses, internal jumper conductors, and external jumper conductors. One or more current collecting jumper buses (37) are located inside each bundle of subconductors with each jumper bus being attached to the end of a subconductor. Small-diameter internal jumper conductors (33) are located in the inherently electrically shielded area inside each bundle of subconductors with each subconductor (except ones having an attached jumper bus) having one internal jumper conductor connected between that subconductor's end and a jumper bus. Large-diameter external jumper conductors (9) are located outside each bundle of subconductors with one or more external jumper conductors being connected between the jumper buses in one bundle of subconductors and the jumper buses in the other bundle.

REFERENCES:
patent: 3129279 (1964-04-01), Barton
patent: 3624268 (1971-11-01), Otsuki et al.
patent: 3647933 (1972-03-01), Okada et al.
West, H. J., Laboratory Report No. ERJ-77-61, "1100 KV Internally Jumpered Multiple Bundle Deadend Assembly, Prototype RIV and Visual Corona Tests", U.S. Department of the Interior-Bonneville Power Administration; 15 pages, Indexed Apr. 1977.

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