Abstract: A device (10) for measuring space charge in a high-voltage direct current electric cable includes a DC voltage source (12), a voltage step generator (14), a first electrode (16) connected to the DC voltage source (12) and to the voltage step generator (14), a second electrode (18) that is grounded, a piezoelectric sensor (20) connected to the second electrode (18), an electrical-signal amplifier (22) connected to the piezoelectric sensor (20), and at least one specimen (24) of the electric cable placed between the first and second electrodes (16, 18) and including a cut of the cable made to a predetermined depth in the electrical insulation system of the cable. The amplitude of the signal measured at the output of the amplifier (22) is related to the charge density in the specimen (24) and the delay related to the distance of the charges from the piezoelectric sensor (20) giving the position of the charges.

Abstract: A power cable has an outer sheath, at least one conductor element arranged within the outer sheath and a filler element arranged within the outer sheath. The filler element is hollow such that a cooling fluid can be passed through the filler element. A temperature sensor is configured to measure the internal temperature of the cable.

Abstract: A coupling for connecting a first and a second multi-walled line (203,204) having at least two concentric pipes (206,207) has a female coupling part (202) with at least two concentric tubes including an inner and an outer tube (217,218) each connected at one end with one of the concentric pipes (206,207) of the first multi-walled line (204), respectively. The coupling further has a male coupling (201) part having at least two concentric tubes including an inner and an outer tube (210,211) each connected at one end with one of the concentric pipes (206,207) of the second multi-walled line (203). The at least two concentric tubes of the female and/or male coupling parts are compressible and/or expandable in an axial direction to ensure a fluid tight connection between the male and female coupling part is already achieved when the coupling has not yet reached its operation temperature.

Abstract: A spare part system (1) for maintaining availability of spare parts (110, 120) for an electric power supply system (PSS) has a first set of spare parts (110) having a first remaining lifespan time (T1) and a second set of spare parts (120) having a second remaining lifespan time (T2) being shorter than the first remaining lifespan time (T1). The spare part system (1) has a monitoring system (10) for monitoring the status of the first set of spare parts (110) and the second set of spare parts (120). This monitoring system (10) has a monitoring unit (20) located together with the first set of spare parts (110) and the second set of spare parts (120) having a sensor (21) and a communication unit (23) and a monitoring central (30) provided in communication with the communication unit (23) of the monitoring unit (20). The monitoring unit (20) is configured to send a message to the monitoring central (30) if a condition is present.

Abstract: A clock spring assembly includes a stationary housing and a rotor. The stationary housing and the rotor cooperatively define a chamber that accommodates at least one flexible ribbon cable (501) that is wound in a first rotational direction onto the rotor and fixed at one end to the rotor and at the other end to the stationary housing. The flexible ribbon cable is wound around the rotor (601) and establishes an electrical connection between the rotor and the stationary housing. A rupture pin (502) is attached to the at least one ribbon cable. A slot (605) is provided in the housing and captures the rupture pin if the rotor is overwound in the second rotational direction opposite to the first rotational direction such that the rupture pin blocks the ribbon cable (501) from unwinding any further.

Abstract: An aerospace cable that limits the occurrence of partial discharges includes an elongate electrically conductive element surrounded by a semiconductor layer and an insulation system around the semiconductor layer. This insulation system has an electrically insulating layer surrounding the semiconductor layer. Each layer of the insulation system has a radial thickness (ei . . . ), and in that an equivalent insulation thickness (teq) of this insulation system is greater than or equal to the result of a third-degree polynomial function equation of a minimum pressure and of a maximum temperature at which the cable is intended to be used.

Abstract: A work platform (10) for performing a cable operation on a cable on a vessel having a vessel deck (7) has chutes (19a, 19b) for guiding the cable from the sea and onto the work platform (10), an overboarding system (18) and a number of modules (11, 12, 13, 14, 15). Each module (11, 12, 13, 14, 15) has a deck section and a support structure for supporting the deck section at a distance above the vessel deck (7). Each module (11, 12, 13, 14, 15) is configured to be lifted separately onto and away from the vessel deck (7). The deck sections of the modules together form a mezzanine deck on which the cable operation is performed. The overboarding system (18) is secured to the mezzanine deck. At least some of the equipment for performing the cable operation is stored below the mezzanine deck.

Abstract: A method and a system is provided for inspecting surfaces and/or interfaces of high voltage and/or medium voltage cable components. The method includes capturing and storing a set of 3-dimensional, 3D, surface geometry measurement data of an area of interest of a surface of the cable or cable component by moving a 3D surface scanner about the cable over the area of interest. The captured 3D surface geometry measurement data are inspected to determine smoothness of the scanned surface, and the smoothness is compared with threshold data to provide a quality report for the scanned surface.

Abstract: An electrical power supply cable (10) for a photovoltaic installation includes an electrical conductor (12) having at least two electrical conductor portions (20, 22) and a fuse (24) arranged between the at least two electrical conductor portions. The at least one fuse electrically links the at least two electrical conductor portions. The cable (10) further has a protection element (30, 40, 50, 60) overmolded around the fuse and forming an electrical insulation layer, the protection element having at least one overthickness at at least one end portion (34, 36) of the protection element (30).

Abstract: A method and system for performing quality checks and positioning of a high voltage accessory component on a high voltage cable during installations and re-using the data from the positioning at a later stage during the lifetime of the cable is described. A 3-dimensional scanner is employed to scan the surface of the high voltage cable and the accessory component to be placed on the cable. The data from the scanner is converted into 3D coordinates and employed by a processor to check for deviations in the quality of the accessory components. The processor then computes and determines the positioning of the accessory component on the high voltage cable. A method for performing quality checks for the subcomponents of the accessory components before positioning of the accessory component during installations is also described.

Abstract: A pressure regulator for fluids is described. The pressure regulator (100) has a main body (108) including a control valve (112,113) actuated by a control element (119) responding to a pressure signal generated by sensor means (118) to maintain a set pressure in the transfer line. The main body (108), the control valve (112,113), the control element (119) and the sensor means (118) are contained in an interior space (124) enclosed by a housing (123). A pressure below atmospheric pressure prevails in the interior space (124).

Abstract: The present invention relates to a process for the manufacture of a cable employing the impregnation of a non-woven fibrous material with a liquid geopolymer composition and the addition of at least one precursor composition of a gel to the liquid geopolymer composition.

Abstract: A method is provided for preparing an uncovered insulation layer surface of an end section of a cable using optical profilometry, the uncovered insulation layer surface having an advantageous low roughness, a method for jointing two cables. A method is also provided for preparing a termination assembly on a cable, a cable end, a joint and a termination assembly.

Abstract: An electrical cable (10) has at least one conductor (12), and further has a device for indicating the presence of an electrical voltage inside the cable (10). The device has at least one layer (14) at least partially covering the outer surface of the cable (10) in at least one region of the cable (10) and a means for transmitting a signal indicating the presence of an electrical voltage inside the cable (10).

Abstract: A polymer composition is provided with improved stress whitening resistance, having at least one thermoplastic polymer material and a dielectric liquid. A process for preparing the polymer composition, a cable having at least one electrically insulating layer obtained from the polymer composition, and a process for preparing the cable are also provided.

Abstract: A method for detecting deformations of high voltage and/or medium voltage cables and/or cable components, include at a first point of time, capturing and storing (302) a first set of 3-dimensional, 3D, surface geometry measurement data of an area of interest of a surface of the cable or cable component. The method also incudes, at a second point of time, capturing and storing (304) a second set of 3-dimensional, 3D, surface geometry measurement data of an area of interest of a surface of the cable or cable component by moving a 3D surface scanner about the cable over the area of interest. The first and second sets of captured 3D surface geometry measurement data is compared to determine changes that have occurred in the cables or cable components between the first and second points of time, where changes indicate a deformation of the cable or cable component.

Abstract: 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.

Abstract: An electrical cable or electrical cable accessory includes at least one semiconductor layer, and at least one electrically insulating layer, at least partially in direct contact with the semiconductor layer. The electrically insulating layer is obtained from an insulating polymer composition having a thermoplastic polymer material, and the semiconductor layer is at least partially crosslinked.

Abstract: A transfer device for transferring flowable material between a first reservoir and a second reservoir is provided having a loading device (106) mounted on a support structure (101). The loading device (106) includes several loading arm sections (103-105) mechanically connected by pivot joints (113,116,118). The transfer device further has a transfer line (122) connecting the first and second reservoir. The transfer line (122) is composed of rigid and flexible transfer line sections (123-126, 133). The flexible transfer line sections connect the rigid transfer line sections. At an upstream end at least one rigid transfer line section branches into several flexible transfer lines, which are fluidly merged into the next rigid transfer line in flow direction.

Abstract: A connection housing has a main and secondary pair of electrical contacts on a printed circuit board, each having a first and a second electrical contact. A first set of conductive tracks electrically couples the first contacts of the main and secondary pairs, and a second set of tracks electrically couples the second contacts of the main and secondary pairs. The contacts of the main pair are two perforation or insulation displacement contacts receiving transversally and directly connecting two insulated conductors of a same main single-pair Ethernet cable entering and exiting from the housing through two main ways for access to the housing. The contacts of the secondary pair electrically connect two insulated conductors of a same secondary Ethernet cable linked through a secondary way for access to the housing.