H01B9/00

Power cable which reduces skin effect and proximity effect

A power cable having a central ground conductor. Phase interweave power conductors are positioned about the central ground conductor. Individual phase interweave power conductors have the same diameter. The individual phase interweave power conductors have a cross sectional area which is optimized. Each of the individual phase interweave power conductors is configured to support 100% cross sectional usage to maximize power carrying capability. The power cable reduces the skin effect of the power cable and the proximity effect of the power cable.

Power and communications cable for coiled tubing operations

A power and communications cable may include an electromagnetic waveguide, an inner metallic tubular surrounding the electromagnetic waveguide, an electrically conductive material surrounding the inner metallic tubular, an electrically insulating material surrounding the electrically conductive material, and an outer metallic tubular resistant to corrosion and abrasion surrounding the electrically insulating layer. The example system may include an electrical device locatable in the wellbore and coupleable to the cable and a control unit coupleable to the cable and operable to supply power to and communicate with the electrical device via the power and communications cable.

ELECTRODE FOIL
20170363660 · 2017-12-21 ·

Electrode foil (6) comprising a) an electrode layer (60) comprising—a sensing electrode portion (100), operable as an electrode of a sensing capacitor for sensing a voltage of an inner conductor (20) of a medium or high voltage power cable (10),—a first auxiliary electrode portion (200), electrically isolated from the sensing electrode portion. The electrode foil further comprises b) a non-conductive carrier film (71) carrying both the sensing electrode portion and the first auxiliary electrode portion, and c) an adhering surface portion (90) for attaching the electrode foil to an exposed insulation layer (30) of the power cable.

Connector and methods of use for charging an electric vehicle
11685273 · 2023-06-27 · ·

Aspects relate to a connector and methods of use for charging an electric vehicle. An exemplary connector includes a housing configured to mate with an electric vehicle port of an electric vehicle, where the housing includes a fastener for removable attachment with the electric vehicle port, at least a direct current conductor configured to conduct a direct current, at least an alternating current conductor, configured to conduct an alternating current, at least a control signal conductor configured to conduct a control signal, at least a ground conductor configured to conduct to a ground, at least a coolant flow path configured to contain a flow of a coolant, and at least a proximity signal conductor configured to conduct a proximity signal indicative of attachment with the electric vehicle port when the housing is mated with the electric vehicle port.

Securized and portable electric vehicle charger
20170361719 · 2017-12-21 ·

An electric vehicle supply equipment (EVSE) having ability to charge electric vehicle from indoor located 208-240V outlets. The EVSE comprises a flattened armored cable to securely transmit electrical power to outdoor location from indoor located electrical source. In the preferred embodiment, the flattened armored section acts as EVSE anchoring system which providing ease of installation when temporary electric vehicle recharging is required. The EVSE has ability to disconnect electrical power passing through the flat armored cable in case of non proper conditions or if any electrical hazard occurs. A further embodiment comprises a flexible version of flat cable. To enhance its electrical safety, flat wire conductor comprising damage sensor is used to improve the electrical safety. The EVSE may validate flat wire physical integrity before applying electrical power to the flattened flexible cable.

COMPRESSION AND STRETCH RESISTANT COMPONENTS AND CABLES FOR OILFIELD APPLICATIONS
20170358385 · 2017-12-14 ·

An opto-electrical cable may include an opto-electrical cable core and a polymer layer surrounding the opto-electrical cable core. The opto-electrical cable core may include a wire, one or more channels extending longitudinally along the wire, and one or more optical fibers extending within each channel. The opto-electrical cable may be made by a method that includes providing a wire having a channel, providing optical fibers within the channel to form an opto-electrical cable core, and applying a polymer layer around the opto-electrical cable core. A multi-component cable may include one or more electrical conductor cables and one or more opto-electrical cables arranged in a coax, triad, quad configuration, or hepta configuration. Deformable polymer may surround the opto-electrical cables and electrical conductor cables.

Composite cable

A composite cable that enables to easily restrain falling-off of separator dust at the time of peeling off a sheath, in comparison with composite cables in the conventional art. The composite cable includes a plurality of wires, a separator that covers the outer circumference of the plurality of wires all together, a sheath that covers the outer circumference of the separator, and an inclusion that is interposed between the separator and the sheath. The separator has a base layer composed of a polymer and an adhesive layer formed on the surface of the base layer on the inclusion side. In the composite cable, the adhesive layer is adhered to the inclusion.

Power/fiber hybrid cable

The present disclosure relates to a hybrid cable having a jacket with a central portion positioned between left and right portions. The central portion contains at least one optical fiber and the left and right portions contain electrical conductors. The left and right portions can be manually torn from the central portion.

Crosslinkable composition with antioxidant and methane formation and article

The invention relates to a polymer composition comprising a polyethylene, a crosslinking agent and antioxidant(s), wherein the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B.sub.1≤B, wherein B.sub.1 is 0.12, when measured prior to crosslinking according to method ASTM D6248-98, the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z.sub.1≤Z≤Z.sub.2, wherein Z.sub.1 is 0.005 and Z.sub.2 is 2.0, and the antioxidant(s) is/are nitrogen containing antioxidant(s) being present in an amount which is W wt %, based on the total amount (100 wt %) of the polymer composition, and W.sub.1≤W≤W.sub.2, wherein W.sub.1 is 0.005 and W.sub.2 is 1.0, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.

Crosslinkable composition with antioxidant and methane formation and article

The invention relates to a polymer composition comprising a polyethylene, a crosslinking agent and antioxidant(s), wherein the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B.sub.1≤B, wherein B.sub.1 is 0.12, when measured prior to crosslinking according to method ASTM D6248-98, the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z.sub.1≤Z≤Z.sub.2, wherein Z.sub.1 is 0.005 and Z.sub.2 is 2.0, and the antioxidant(s) is/are nitrogen containing antioxidant(s) being present in an amount which is W wt %, based on the total amount (100 wt %) of the polymer composition, and W.sub.1≤W≤W.sub.2, wherein W.sub.1 is 0.005 and W.sub.2 is 1.0, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.