Abstract: A voltage sensor for sensing an AC voltage of a HV/MV power conductor comprises a capacitive voltage divider for sensing the AC voltage having one or more high-voltage capacitors electrically connected in series with each other and a low-voltage portion comprising one or more low-voltage capacitors electrically connected with each other between the high-voltage portion and electrical ground. The voltage divider also comprises a signal contact, electrically arranged between the high-voltage portion and the low-voltage portion, for providing a signal voltage indicative of the AC voltage. The low-voltage portion further comprises a plurality of electrically actuated adjustable impedance elements configured to adjust the common overall impedance of the low-voltage portion towards a desired impedance.

Abstract: A sensored insulation plug for a medium-voltage or high-voltage separable connector in a power distribution network of a national grid, and operable to insulate a connection element of the separable connector on elevated voltage and to sense the elevated voltage. The sensored insulation plug has an outer shape generally symmetrical about a plug axis defining axial directions and radial directions, and comprises a plug body formed by an insulating material, and a primary capacitor, operable as a high-voltage capacitor in a voltage divider for sensing the elevated voltage.

Abstract: Sensored insulation plug (1) for being inserted into a separable connector in a power distribution network comprises a plug body (140) formed by a solidified insulating material (610), and a primary capacitor (150), operable as a high-voltage capacitor in a voltage divider for sensing the elevated voltage. The primary capacitor includes a high-voltage electrode (160) for direct electrical connection to the elevated voltage. A sensing electrode (170) of a tubular shape, embedded in the plug body (140), arranged around the high-voltage electrode, comprises a deformable mesh of conductive wires forming a plurality of apertures between the wires to allow portions of the insulating material (610) on opposite sides of the mesh to be mechanically connected with each other by insulating material in the apertures while the insulating material solidifies and thereafter.

Abstract: Encapsulated PCB assembly (1) for electrical connection to a high- or medium-voltage power conductor in a power distribution network of a national grid, comprising a) a PCB (10), delimited by a peripheral edge (20) and comprising a high-tension pad (60, 62) on a voltage of at least one kilovolt, b) an electrically insulating encapsulation body (70) in surface contact with, and enveloping, the high-tension pad and at least a portion of the PCB edge adjacent to the high-tension pad, c) a shielding layer (80) on an external surface (90) of the encapsulation body and for being held on electrical ground or on a low voltage to shield at least a low-voltage portion of the PCB. The high-tension pad extends to the peripheral edge of the PCB.

Abstract: A sensored insulation plug for a separable connector in a MV/HV power distribution network of a national grid, operable to sense the MV/HV elevated voltage. The sensored insulation plug includes a plug body formed by a solidified insulating material, a contact piece, and a discrete coupling capacitor embedded in the insulating material and operable to harvest energy from the elevated voltage of the contact piece and optionally operable to superimpose a communication voltage signal over the elevated voltage. The sensored insulation plug further includes an integrated sensing capacitor, operable as a high-voltage capacitor in a sensing voltage divider for sensing the elevated voltage. The sensing capacitor comprises a high-voltage electrode comprising the coupling electrode and the contact piece, a tubular sensing electrode, and a dielectric comprising a portion of the insulating material.

Abstract: Voltage sensing device (1) for sensing an elevated voltage in a power distribution network, comprising a) a sensored insulation plug (10) comprising—a voltage sensor for sensing the elevated voltage, comprising a high-voltage contact; —a plug mating portion (50), shaped to mate the sensored insulation plug (10) with a corresponding socket mating portion of a separable connector, wherein the high-voltage contact is arranged in the plug mating portion (50) such that the high-voltage contact can be connected to the elevated voltage of the separable connector when the sensored insulation plug (10) is mated with the separable connector; b) a tubular insulating sleeve (20), comprising a socket mating portion (100) shaped as a socket mating portion of the separable connector and mated with the plug mating portion (50) of the insulation plug (10); c) a conductive rod (30) having a first end portion (120) for electrical connection to the power conductor, and an opposed second end portion, electrically connected to the

Abstract: Voltage sensor (1) comprising a voltage divider (40) for sensing an AC voltage of a HV/MV power conductor (10). For adjusting the common overall impedance of the low-voltage portion of the voltage divider towards a desired impedance, the low-voltage portion (60) comprises one or more low-voltage impedance elements (110), a plurality of adjustment impedance elements (80) and a plurality of switches. In its connect state, each switch electrically connects an adjustment impedance element in parallel to at least one of the one or more low-voltage impedance elements (110). The overall impedance of the high-voltage portion (50) and the overall impedance of the low-voltage portion (60) of the voltage divider (40) are adapted such that, by bringing one or more of the switches (90) into their connect state, the voltage divider (40) has, for an AC voltage of between 5 and 25 kV phase-to-ground and a frequency of between 40 and 70 Hertz, a dividing ratio of 3077, of 6154, of 6769 or of 10 000.

Abstract: Voltage indication device (2), attachable to a medium-voltage separable plug having a rear insert comprising a coupling electrode. The voltage indication device comprises a body (241) and a voltage detector (251) having a ground contact (361), a voltage contact (261) for electrical connection to the coupling electrode; and an indicator for visually indicating presence of the medium voltage in the separable plug. The body comprises an elastically expandable support portion (406) for resiliently supporting the voltage detector (251).

Abstract: Encapsulated PCB assembly (1) for electrical connection to a high- or medium-voltage power conductor in a power distribution network of a national grid, comprising a) a PCB (10), delimited by a peripheral edge (20) and comprising a high-tension pad (60, 62) on a voltage of at least one kilovolt, b) an electrically insulating encapsulation body (70) in surface contact with, and enveloping, the high-tension pad and at least a portion of the PCB edge adjacent to the high-tension pad, c) a shielding layer (80) on an external surface (90) of the encapsulation body and for being held on electrical ground or on a low voltage to shield at least a low-voltage portion of the PCB. The high-tension pad extends to the peripheral edge of the PCB.

Abstract: The invention relates to a sensor (3) for measuring a voltage in a HV/MV power network in a separable connector (2), the sensor comprising: —an adapter element (11) comprising a high voltage connection adapted to be mechanically and electrically coupled to a high voltage conductor (7) of the separable connector (2) and to receive HV/MV voltage from the separable connector, —a sensor body (12) adapted to be mechanically and electrically coupled to the adapter element (11) and comprising a divider assembly (24) with a plurality of discrete impedance elements, which are electrically connected in series such as to be operable as a voltage divider for sensing a voltage and a low voltage connection (42) configured to provide a low voltage signal corresponding to a high voltage signal present in the HV/MV power network, wherein the adapter element (11) and the sensor body (12) are separate elements that are adapted to be installed to the separable connector (2), wherein the adapter element is configured to be instal

Abstract: A sensor for a separable connector includes an elongate plug body extending along an axis and includes an insulating resin. The plug body includes a high voltage connection at least partially encased by the insulating resin and includes a low voltage connection spaced along the axis from the high voltage connection. The plug body also includes a substrate at least partially encased in the insulating resin and extending around the axis between a high voltage portion and a low voltage portion of the substrate. A circuit is disposed on the substrate and extends from the high voltage portion to the low voltage portion of the substrate. The circuit includes a plurality of first impedance elements electrically coupled between the high and low voltage connections. One or more second impedance elements are electrically coupled to the circuit via the low voltage connection to form a voltage divider.

Abstract: The invention relates to a module (1) for building a voltage divider for sensing a voltage of an inner conductor of a high or medium voltage power conductor, wherein the module comprises: —at least one discrete impedance element (3), —a first connector (5) and a second connector (6), wherein the second connector is adapted to be mechanically and electrically connected with a connector identical to the first connector of a further module for building the voltage divider according to the invention, and wherein the first connector is adapted to be mechanically and electrically connected with a connector identical to the second connector of a further module for building the voltage divider according to the invention, —wherein the at least one impedance element is electrically connected with the first and the second connector, and —wherein the module further comprises mechanical fixing (21) means for fixing the module to a high or medium voltage power conductor.

Abstract: Elastic sleeve (1) for electrically insulating a HV/MV power conductor in a power network, comprising a) a shrinkable or expandable elastic sleeve body (10); b) a receiving space (20) in the sleeve body, for receiving the power conductor; c) a cavity (30) formed in the sleeve body; and d) a divider assembly (40), arranged, at least partially, in the cavity and comprising a plurality of discrete impedance elements, operable as a voltage divider for sensing a voltage of an inner conductor of the power conductor.

Abstract: Voltage indication device (2), attachable to a medium-voltage separable plug having a rear insert comprising a coupling electrode. The voltage indication device comprises a body (241) and a voltage detector (251) having a ground contact (361), a voltage contact (261) for electrical connection to the coupling electrode; and an indicator for visually indicating presence of the medium voltage in the separable plug. The body comprises an elastically expandable support portion (406) for resiliently supporting the voltage detector (251).

Abstract: The invention relates to a sensor (3) for measuring a voltage in a HV/MV power network in a separable connector (2), the sensor comprising: —an adapter element (11) comprising a high voltage connection adapted to be mechanically and electrically coupled to a high voltage conductor (7) of the separable connector (2) and to receive HV/MV voltage from the separable connector, —a sensor body (12) adapted to be mechanically and electrically coupled to the adapter element (11) and comprising a divider assembly (24) with a plurality of discrete impedance elements, which are electrically connected in series such as to be operable as a voltage divider for sensing a voltage and a low voltage connection (42) configured to provide a low voltage signal corresponding to a high voltage signal present in the HV/MV power network, wherein the adapter element (11) and the sensor body (12) are separate elements that are adapted to be installed to the separable connector (2), wherein the adapter element is configured to be instal

Abstract: Impedance assembly (2) for use in a voltage divider for sensing an AC voltage of at least 1 kV versus ground of a power-carrying conductor distributing electrical energy in a grid. The impedance assembly comprises a) a printed circuit board (131) comprising one or more dielectric board layers (210, 215, 220), b) an externally accessible high-voltage contact (100), c) an externally accessible low-voltage contact (110), spaced from the high-voltage contact by at least 30 mm, and d) at least two dividing capacitors (91), connected in series between the high-voltage contact and the low-voltage contact and operable as a high-voltage side of the voltage divider. Each dividing capacitor has two electrodes formed by conductive areas (301, 302, 303, 304, 305, 306), arranged on opposed surface portions of a specific dielectric board layer, and a dielectric comprising a portion of the specific dielectric board layer on which the electrodes are arranged.

Abstract: A capacitor comprises an electrically conductive cylinder, an electrically conductive or semi-conductive cylindrical shell or shell segment arranged concentrically around the electrically conductive cylinder, and a dielectric arranged between the electrically conductive cylinder and the electrically conductive or semi-conductive cylindrical shell or shell segment. The dielectric comprises at least one dielectric layer having a positive thermal coefficient of relative permittivity, and at least one compensation dielectric layer having a negative thermal coefficient of relative permittivity. The thermal coefficient of relative permittivity is thereby selected such that the capacitance value of the capacitor is constant within a stability margin over a predefined temperature interval.

Abstract: The invention relates to a voltage sensing device for a high and/or medium-voltage power-carrying conductor, the voltages sensing device comprising: • a carrier element (3) with a passageway for receiving the power-carrying conductor, • wherein the carrier element comprises an electrode (4) extending in an axial direction of the passageway of the carrier element and operable as a first electrode of the voltage sensing device, wherein • a conductor (1) of the power cable is operable as the second electrode of the voltage sensing device and wherein • the carrier element has a coefficient of thermal expansion that is less than 5×10^?6 1/K at 20 C.

Abstract: The invention relates to a voltage sensing device (1) for a high and/or medium voltage power carrying conductor (2), the voltage sensing device comprising: a radially outer electrode (3) operable as a first sensing electrode of a sensing capacitor for sensing the voltage of the power carrying conductor; a radially inner electrode (2, 6) operable as a second sensing electrode of the sensing capacitor; a dielectric material (5) arranged between the inner and the outer electrode (3, 2, 6), wherein the coefficient of thermal expansion of the material of at least one electrode (3, 2, 6) is selected such that it compensates the temperature dependent parameters of the dielectric material (5) and/or the other electrode (3, 2, 6), that influences the capacity of the voltage sensing capacitor.

Abstract: Elastic sleeve (1) for electrically insulating a HV/MV power conductor in a power network, comprising a) a shrinkable or expandable elastic sleeve body (10); b) a receiving space (20) in the sleeve body, for receiving the power conductor; c) a cavity (30) formed in the sleeve body; and d) a divider assembly (40), arranged, at least partially, in the cavity and comprising a plurality of discrete impedance elements, operable as a voltage divider for sensing a voltage of an inner conductor of the power conductor.