Nexans

Audun Johanson

Robin Sangar

Massimiliano Mauri

Simon Jorgensen

Alf Erik Rod

Per Arne Osborg

Brynjar Jacobsen

Karl Magnus Bengtsson

Anton Akulichev

Arild Larsen

Sigurd Schawlann

Jonas Larsson

Mats Johansson

Roberto Gaspari

Robin K Sangar

Power cables are provided having a joint with a metallic water barrier and, in particular, metallic water barrier materials for cable joints for use in high voltage cables for both land and submarine applications.

Power cable with a cable joint water barrier made of tin or tin alloy

A conductor for a power transmission cable has a first conductor element and a second conductor element connected by a welding joint. The welding joint has a welding material alloy where the welding material alloy has an Al content of from 90% to 98% by weight, a Ni content of from 2% to 8% by weight, and a content of other metals and/or substances from 0% to 2% by weight, based on the total weight of the welding material alloy, wherein the Al content, Ni content and content of other metals and/or substances sum up to 100% by weight.

Welded conductors for power transmission cables

A dynamic power cable or power cables for submarine applications has at least one extruded fibre reinforced thermoplastic composite core sheath arranged radially around a water barrier sheath.

Dynamic cables with fibre reinforced thermoplastic composite sheath

A water barrier for encapsulating a cable core has a layer of metal foil having a thickness of t, and a single layer of a polyethylene-based polymer having a thickness of t. The ratio t: tis at least seven, and the single layer of a polyethylene-based polymer has been deposited onto the metal foil by extrusion at an extrusion temperature of at least 150° C., with the metal foil preheated to a temperature of at least 130° C.

Low resistance polyethylene sheath with combined adhesive and mechanical properties

An arrangement for welded conductors for power transmission cables includes conductors welded by a high conductive welding material. A method for production of such welded conductors and power transmission cables including the welded conductors includes joining the conductor elements by welding.

Welded conductors for power transmission cables welded conductors for power transmission cables

An aluminium based conductor made of an alloy has at least 98 wt % aluminium, from 0.25 to 0.45 wt % iron, from 0.07 to 0.25 wt % copper and from 0.001 to 0.10 wt % boron, having high strength and conductivity. The present arrangement also includes a method for obtaining such conductors.

Conductor

A power cable has a cable core with at least one conductor with an insulating system and a water barrier surrounding the cable core. The water barrier has a helically wound strength bearing layer interconnected by a low melting point material.

Multi-layer radial water barrier for rapid manufacture

A cable assembly () having a first cable () having a first conductor (), a second cable () having a second conductor () and an electrically conducting joining element (). The joining element () has a first opening () and a second opening (). The cable assembly () comprises a number of canted coil springs (). A terminal portion of the first conductor () is secured to the first opening () by means of a first canted coil spring (). A terminal portion of the second conductor () is secured to the second opening () by means of a second canted coiled spring ().

Method for creating a transition joint between two cables using canted coil springs and a cable assembly having such a transition joint

A water blocking layer/sheathing for subsea power cables made from a CuNiSi-alloy.

CuNiSi alloy cable sheathing

A method for manufacturing a sheathing of a cable and a sheathing for a cable is provided where the method includes forming the cable sheathing by extrusion and the sheathing is made of a Pb&#x2014;Ca&#x2014;Sn alloy having a composition having from 0.03 to 0.05 weight % Ca and from 0.4 to 0.8 weight % Sn.

Cable sheathing of a Pb&#x2014;Ca&#x2014;Sn alloy and method of manufacture thereof

A conductor joint () is provided for connecting two conductors along a longitudinal direction. The conductor joint comprises a first segment having a first segment end () adapted connecting to an end portion of a first conductor and a second segment () comprising a second segment end () relative to the longitudinal direction adapted for receiving a second conductor end of a second conductor. The second segment further has an opposite second segment end () fixed, or forming an integral part with, an opposite first segment end () of the first segment (), a tubular sleeve () and a core rod () wherein ends () of the tubular sleeve () and the core rod () are arranged with a radial offset forming a sleeve opening for receiving at the end portion of the second conductor end of the second conductor.

Growing community of inventors

Oslo, Norway

Audun Johanson