H02G15/184

Manufacturing a conductor part

A method for manufacturing a conductor part for a connector unit is provided. The conductor part includes a conductive core, an insulating sleeve, and at least a first conductive layer arranged between the conductive core and the insulating sleeve. The method includes equipping at least one section of a radially inner surface of the insulating sleeve with the first conductive layer, and equipping at least one section of a radially outer surface of the insulating sleeve with at least a second conductive layer. The second conductive layer is a metal layer or a conductive plastic layer. The method also includes inserting the conducting core in the insulating sleeve before or after equipping a surface of the insulating sleeve with a conductive layer.

Manufacturing a conductor part

A method for manufacturing a conductor part for a connector unit is provided. The conductor part includes a conductive core, an insulating sleeve, and at least a first conductive layer arranged between the conductive core and the insulating sleeve. The method includes equipping at least one section of a radially inner surface of the insulating sleeve with the first conductive layer, and equipping at least one section of a radially outer surface of the insulating sleeve with at least a second conductive layer. The second conductive layer is a metal layer or a conductive plastic layer. The method also includes inserting the conducting core in the insulating sleeve before or after equipping a surface of the insulating sleeve with a conductive layer.

Heat-shrinkable protective element

A heat-shrinkable protective element having at least one protective layer is obtained from a polymeric composition having a polymer material, where the polymeric composition additionally has an electrically conducting filler having a BET specific surface of at least 100 m.sup.2/g according to Standard ASTM D 6556.

An arrangement for a coaxial cable connector

An arrangement for connecting a coaxial cable (500) to a connector, wherein the coaxial cable (500) comprises at least one metal braid layer (506) surrounding inner parts of the cable (500) and an outer insulating layer (508) surrounding said at least one metal braid layer (506); the connector comprises a ferrule (512) to be arranged in electrical contact with said at least one metal braid layer (506) and means (514, 516) for applying a pressure force (522) to the outer insulating layer (508) of the coaxial cable (500) in a position of said electrical contact; and a silicone sleeve (520) is arranged between said means (514, 516) for applying a pressure force (522) and the outer insulating layer (508) of the coaxial cable (500) in a position that, when said inner parts (502, 504) of the cable (500) are inserted within the ferrule (512), said pressure force (522) is applied to the silicone sleeve (508).

A coaxial cable connector

A coaxial cable connector (610) for connecting a coaxial cable (600), wherein the connector (610) comprises an elongated ferrule (612) arranged to be configured in electrical contact with at least one metal braid layer (606) of the coaxial cable (600); a compression fitting (614) arranged around said ferrule (612); and means (618) for applying a pressure force to the compression fitting (614) such that a surface (614a) of the compression fitting (614) applies a force to an outer insulating layer (608) of the coaxial cable (600) surrounding said at least one metal braid layer (608) substantially over the whole length of said surface (614a) of the compression fitting (614).

SENSORED BUSHING
20240329087 · 2024-10-03 ·

Bushing for connecting a separable connector to a switchgear or to a transformer in a national grid for distributing electrical power at medium or high voltages. The bushing comprises a) a bushing body of a solidified, electrically insulating casting material; b) a bushing conductor, embedded in the casting material, for conducting power at medium or high voltages into the switchgear or the transformer, and c) an integrated primary capacitor, operable in a high-voltage portion of a voltage divider for sensing a voltage of the bushing conductor. The primary capacitor comprises a low-voltage electrode, a high-voltage electrode and a dielectric. The high-voltage electrode is a section of the bushing conductor. The low-voltage electrode is embedded in the casting material and comprises a circumferential wall surrounding the bushing conductor and forming a cavity. The dielectric is formed by a portion of the casting material arranged in the cavity. The circumferential wall comprises a mesh of conductive wires forming a plurality of apertures between the conductive wires to allow the casting material radially outside the circumferential wall to be mechanically connected with the casting material in the cavity.

COVER ASSEMBLIES FOR CABLES AND ELECTRICAL CONNECTIONS AND PRE-EXPANDED UNITS AND METHODS INCLUDING SAME

A pre-expanded cover assembly unit for covering an electrical connection between first and second cables includes a cover assembly in a folded state including an elastomeric outer sleeve defining a cable passage to receive the electrical connection. The outer sleeve includes an intermediate section and first and second outer sections. The first outer section is folded at a first annular fold and is on the intermediate section and/or the second outer section. The cover assembly includes a first retention layer between the intermediate section and the first outer section. The cover assembly includes a first friction reducing layer between the first retention layer and the first outer section. The cover assembly unit includes a removable holdout mounted within the outer sleeve. The cover assembly is movable from a folded state to an unfolded state by sliding the first outer section in a first axial direction away from the intermediate section.

Terminal connection device for a power cable

A terminal connection device for connecting an end of a medium- or high-voltage power cable to a connection point comprises a) an interface cable having first and second end portions, comprising an inner conductor and a conductive or semiconductive layer; b) a first stress control tube comprising a stress control element, and an insulating layer arranged around the stress control element, wherein the first stress control tube is mounted on the first end portion of the interface cable; c) a first cable connector for connecting the interface cable to the power cable, the first cable connector being connected to the second end portion of the interface cable; and d) one or more tubular shrinkable sleeves, at least a portion of one of the tubular shrinkable sleeves extending over at least a portion of the first stress control tube wherein the portion of the tubular shrinkable sleeve extending over at least a portion of the first stress control tube is shrunk down around at least a portion of the first stress control tube.

Terminal connection device for a power cable

A terminal connection device for connecting an end of a medium- or high-voltage power cable to a connection point comprises a) an interface cable having first and second end portions, comprising an inner conductor and a conductive or semiconductive layer; b) a first stress control tube comprising a stress control element, and an insulating layer arranged around the stress control element, wherein the first stress control tube is mounted on the first end portion of the interface cable; c) a first cable connector for connecting the interface cable to the power cable, the first cable connector being connected to the second end portion of the interface cable; and d) one or more tubular shrinkable sleeves, at least a portion of one of the tubular shrinkable sleeves extending over at least a portion of the first stress control tube wherein the portion of the tubular shrinkable sleeve extending over at least a portion of the first stress control tube is shrunk down around at least a portion of the first stress control tube.

Field Control Element For A High-Voltage Cable Accessory And Method of Optically Measuring Partial Discharges

A field control element for a high-voltage cable accessory comprises an electrically insulating material. The electrically insulating material includes a fluorescent dye adapted to convert a first radiation having a first wavelength and generated by an electrical discharge into a second radiation having a second wavelength longer than the first wavelength.