Electricity: conductors and insulators – With fluids or vacuum – With fluid stops
Patent
1995-09-01
1999-09-21
Kincaid, Kristine
Electricity: conductors and insulators
With fluids or vacuum
With fluid stops
174102SC, 174106SC, 174107, 174120SC, H01B 728
Patent
active
RE0363073
ABSTRACT:
An electrical power cable with a stranded conductor, a semi-conductive stress control layer around the conductor, a layer of insulation around the stress control layer, a semi-conductive insulation shield laser around the layer of insulation, an imperforate metal strip with overlapping edge portions around the shield layer and a polymeric jacket around the metal strip. The strip is free to move with respect to the jacket and the shield layer with expansion and contraction of the cable elements with temperature changes, and the overlapping edge portions of the strip are bonded together by an adhesive which permits the edge portions to move relative to each other with such temperature changes without creating fluid passageways between the edge portions. A cushioning layer can be between the shield layer and the strip and preferably, the cable is water sealed.
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No. Pub. Date.
Kenneth E. Bow, The Development of Underjacket Moisture Barrier Cable as a Counter Measure Against Treeing Reprinted from IEEE Transactions on Power Delivery, vol. 5, No. 1, Jan. 1990.
Macromelt Hotmelts Multi-Layer Energy Cables, Information, Duesseldorf, Apr. 1988.
Data Sheets and material safety data sheets describing TPX 20-030 and MACROMELT.RTM. 6239, May 1988.
Dow Technical Information Seam Sealing with Hot Melt Adhesives dated Oct. 24, 1990.
Minutes of the Meeting, Insulated Conductors Committee of the IEEE Power Engineering Sociaty 82nd Meeting, Columbus, Ohio, Apr. 17-20, 1988.
EPRI Report--Development of Moisture Barriers for Extruded Dielectric Transmission Cables--Jun. 1990.
Sunazuka et al--Development of Meta-Seal SP Cable--Fujikura Technical Review, pp. 24-35-1981.
dePratter Paul K.
Kuchta Frank L.
Marciano-Agostinelli Fabrizio
Marin Carlo
Brooks L. P.
Kincaid Kristine
Nguyen Chau N.
Pirelli Cable Corporation
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