High voltage electric power cable with thermal expansion accommo

Details High voltage electric power cable with thermal expansion accommo High voltage electric power cable with thermal expansion accommo

1984-09-06

1985-08-06

Grimley, A. T.

Electricity: conductors and insulators

Conduits, cables or conductors

Conductive armor or sheath

174 13, 174105SC, 174106SC, H01B 718

Patent

active

045337896

ABSTRACT:
The insulation shield in a power cable having thick polymeric insulation is constructed of a metallic layer radially spaced from but in electrical communication with an inner semiconducting layer by an intervening helical wrap of a semiconducting or high dielectric constant longitudinal structurally resiliently compressible substantially shape recoverable element. Various elements are described, both hollow and solid, with and without one flat longitudinal surface, and of both monolithic plastic and composite plastic and metal construction.

REFERENCES:
patent: 1939875 (1933-12-01), Bush
patent: 2011561 (1935-08-01), Chase
patent: 2118584 (1938-05-01), Aime
patent: 3719769 (1973-03-01), Miyauchi et al.
patent: 3964945 (1976-06-01), Everhart et al.
patent: 4145567 (1979-03-01), Bahder et al.
patent: 4225749 (1980-09-01), Pierre et al.

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