A cable has at least one elongated electric conductor and a multilayer insulation surrounding the electric conductor. The multilayer insulation has a first semiconducting layer and an electrically insulating layer. The two layers are made from a silicone rubber based composition. A method for making this cable includes co-extruding the first semiconducting layer and the electrically insulating layer.

A wire or cable comprising an insulation layer and a semiconducting shield layer over and in contact with the insulation layer and strippable from the insulation layer, the second semiconducting shield layer made from the composition comprising: (A) 45-52% ethylene vinyl acetate (EVA) comprising 28-45% units derived from vinyl acetate (VA) based on the weight of the EVA; (B) 30-45% carbon black having (1) 80-1 15 milliliters per 100 grams (ml/100 g) DBP absorption value, (2) 30-60 milligrams per gram (mg/g) iodine absorption (I2NO), and (3) 0.3-0.6 grams/milliliter (g/ml) apparent density; (C) 5-20% acrylonitrile butadiene rubber (NBR) comprising 25-55% units derived from acrylonitrile (AN) based on the weight of the NBR; (D) 0.2-2% phenolic antioxidant; and (E) 0.5-2% organic peroxide.

A submarine power cable including a conductor, an insulation system arranged around the conductor, the insulation system including an inner semiconducting layer, an insulation layer arranged around the inner semiconducting layer, and an outer semiconducting layer arranged around the insulation layer, and a polymeric sheath arranged around the insulation system, wherein the first section has a mechanically flexible sheath arranged around the insulation system, wherein the mechanically flexible sheath has a lower radial water permeability than a radial water permeability of any layer arranged outside the insulation system in the second sections.

An electrical insulation composition includes a base resin containing 65 parts by mass or more and 98 parts by mass or less of a polyethylene and 2 parts by mass or more and 35 parts by mass or less of a styrene-containing resin, the polyethylene and the styrene-containing resin totaling 100 parts by mass, and 0.05 parts by mass or more and 1.0 parts by mass or less of a fatty acid amide.

The present invention relates to a filler and a cable having the same and, more particularly, to a filler and a multicore cable comprising a plurality of core portions, which comprises a conductor, and a protective layer that surrounds the core portions, the filler being provided between the core portions and the protective layer of the multicore cable, the filler being characterized by comprising: frame portions comprising a first frame portion and a second frame portion, which are rotated by predetermined angles towards both sides about the center portion thereof and then incised; and a support portion provided between the frame portions so as to connect the frame portions to each other.

Submarine electrical cable system (100) having a substantially circular cross-section and comprising: a first insulated core (1) and a second insulated core (2); a three-phase cable (3) comprising three stranded insulated cores (8) the three-phase cable (3) being stranded with the first core (1) and the second core (2); an armour (4) surrounding the first core (1), the second core (2) and the three-phase cable (3).

The present invention concerns a power cable, comprising a tension member (1), placed in the centre of said power cable; a first insulation layer (3), the tension member (1) being embedded in the first insulation layer (3); and an outer protective sheath (9); wherein said power cable further comprises one or more first aluminum conductors (4), embedded within the first insulation layer (3). The present invention also concerns a process for producing the inventive power cable, the process comprising the step of extruding a first polymeric insulation layer (3) onto the tension member (1) and the one or more conductors (4) in one single step. Finally, the present invention concerns the use of the inventive power cable, in medium-voltage to high-voltage subsea applications, such as an offshore windmill cable infrastructure or driving of subsea pumps.

An alternating current (AC) power cable includes a conductor surrounded by at least an inner semiconductive layer including a first semiconductive composition, an insulation layer including a polymer composition, an outer semiconductive layer including a second semiconductive composition, and optionally a jacketing layer including a jacketing composition, in that order. The polymer composition of the insulation layer includes an unsaturated low density polyethylene (LDPE) copolymer of ethylene with one or more polyunsaturated comonomers and a crosslinking agent. The polymer composition of the insulation layer has a dielectric loss expressed as tan (50 Hz) of 12.010.sup.4 or less, when measured at 25 kV/mm and 130 C. according to Test for Tan measurements on 10 kV cables.

A method of building an insulation system around a naked conductor section of a power cable. The insulation system includes an inner semiconducting layer arranged around the conductor, an insulation layer arranged around the inner semiconducting layer, and an outer semiconducting layer arranged around the insulation layer. The method includes: a) placing the naked conductor section in a mold, and b) molding an insulation system around the naked conductor section, wherein the molding of the insulation system involves injecting a first semiconducting compound into a first mold cavity to form an inner semiconducting layer around the naked conductor section, injecting an insulation compound into a second mold cavity to form an insulation layer around the inner semiconducting layer, and injecting a second semiconducting compound into a third mold cavity to form an outer semiconducting layer around the insulation layer.

An electric power cable and a process for the production of the cable including a metal conductor and an electric insulation system surrounding the conductor coaxially and radially outwards of the conductor having improved electric properties. The insulation system includes an inner semi-conducting layer surrounded radially outwards by an insulation layer and wherein the insulation layer is surrounded radially outwards by an outer semi-conducting layer. The electric power cable further includes an inner water blocking material arranged in the conductor and/or to surround the conductor radially outwards and an outer water blocking material arranged radially outwards from the insulation system. An inner barrier layer is arranged as a diffusion hindering layer between the inner water blocking material and the insulation system and an outer barrier layer is arranged as a diffusion hindering layer between the insulation system and the outer water blocking material.