Abstract: A voltage presence determination system intended to be connected to a voltage measurement sensor for at least one phase of a high-voltage electrical network. The system comprises, for the at least one phase: a visual indicator of the presence of a voltage measured by the voltage measurement sensor, referred to as the measured voltage, a first output terminal configured to receive a first output signal, a second output terminal configured to receive a second output signal, and a plurality of linear components. The system is configured so that the first and second output terminals are functionally isolated from one another and functionally isolated from the visual indicator only by the plurality of linear components.

Abstract: A method for manufacturing an electrical component, comprising: an armature (1) formed by a polymeric plastic material and an organometallic additive and comprising a support arm (4), with a winding (2) formed directly on the surface of the support arm (4) by a conductor track (10) forming turns. According to the invention, in order to obtain a winding with a high density of turns, with a precise arrangement which varies little over time, while making it possible to have a winding design with any desired geometry, the manufacturing method comprises laser engraving of the support arm (4), for engraving an initiator track forming the turns of the winding (2) and where the organometallic additive is locally activated. The method then comprises metallizing the initiator track with a conducting metal so to form the conductor track (10) according to the turns formed by the initiator track.

Abstract: The present disclosure relates to a driving apparatus for a reclosing apparatus and a driving method thereof. The driving apparatus comprises a first energy storage unit, a timing unit, a control unit, and a first power supply unit, a second energy storage unit and a driving unit. The timing unit outputs a first enable signal; the control unit outputs a second enable signal or a third enable signal; the first power supply unit enables the second energy storage unit to receive the power when receiving the second enable signal, and enables the second energy storage unit to discharge when receiving the third enable signal; the second energy storage unit receives and stores the power via the first power supply unit; and the driving unit provides the power stored in the first energy storage unit to the reclosing apparatus when a predetermined condition is satisfied.

Abstract: A method for managing single function devices among communication devices broadcasting messages to gateways connected to a gateway manager, a single function device being only able to broadcast a message including a command.

Abstract: It is provided a current recording method, a current recording device and a current recording system by the embodiments of this disclosure. The current recording method comprises: acquiring a first current Fourier value, the first current Fourier value being a Fourier value acquired by Fourier transforming an instantaneous value of current at a first end of a power line; acquiring a second current Fourier value, the second current Fourier value being a Fourier value acquired by Fourier transforming an instantaneous value of current at a second end of the power line; time-alignment the first current Fourier value and the second current Fourier value, based on a first transmission delay for acquiring the first current Fourier value and a second transmission delay for acquiring the second current Fourier value; storing the aligned first current Fourier value and second current Fourier value into a storage.

Abstract: A linear motor system, in particular to a transport system, e.g. a multi-carrier, including: a guide track having a plurality of electromagnets arranged distributed along the guide track; at least one carrier that is guided by and movable along the guide track and that includes a drive magnet for cooperating with the electromagnets of the guide track to move the carrier; and a control device for controlling the movement of the carrier relative to the guide track by a corresponding control of the electromagnets, wherein the control device is configured to detect an inertial response of the moving mass of the carrier during a movement of the carrier and to determine mass information relating to the mass of the carrier on the basis of the inertial response.

Abstract: A wireless control device includes a housing, a movable actuation element, an electronic control circuit including a wireless transmitter capable of transmitting a control signal to an electrical device, an energy harvesting device configured to power the electronic control circuit, by converting mechanical energy into electrical energy when the movable actuation element is actuated, by delivering an output electrical voltage whose sign depends on the direction of movement of the transmission mechanism. The control circuit further includes a pulse detection circuit configured to identify the sign of the output electrical voltage and to store information representative of the sign of the output electrical voltage, the transmitter being further configured to include, in the control signal sent, the information representative of the sign of the output electrical voltage.

Abstract: A method for processing a raw image characterized by first Pix1(i,j) and second Pix2(i,j) raw measurements collected by first Bol1(i,j) and second Bol2(i,j) bolometers of a set of bolometers Bol(i,j) of a detector, the first bolometers Bol1(i,j) being closed off, the method being executed by a computer on the basis of reference measurements PixREF(i,j) that include first Pix1REF(i,j) and second Pix2REF(i,j) reference measurements associated with the first Bol1(i,j) and with the second Bol2(i,j) bolometers, the method including: a) a correlation step between the first raw measurements Pix1(i,j) and the first reference measurements Pix1REF(i,j); and b) a step of correcting the raw image, which includes computing corrected measurements PixCor(i,j) of a corrected image for each bolometer Bol(i,j) on the basis of the reference measurements PixREF(i,j) and of the result of step a).

Abstract: A method for detecting an abnormal event in an insulator of an electrical conductor of a medium-voltage or high-voltage electrical device. The method includes: acquiring a set of successive samples of a vibration signal associated with the electrical conductor; determining a modelled value of a following sample based on the acquired set of samples and on a prediction model, the prediction model being obtained through machine learning of the vibration signal based on a set of samples acquired in reference conditions in which the electrical conductor is free from any abnormal event; acquiring the following sample of the vibration signal; calculating a difference between the value of the acquired sample and the modelled value; and if the calculated difference is greater than a predetermined threshold, detecting an abnormal event in the electrical conductor.

Abstract: A method for configuring slave devices in a communication system including a master device and slave devices, wherein the master device and the slave devices are connected in chain via a commission line and in parallel via a field bus line, and wherein each slave device is indexed by an index greater than or equal to 1, the slave device of index 1 being connected to the master device.

Abstract: A method for classifying a partial discharge in an insulator of an electrical conductor of a medium voltage or high voltage electrical device, the method allowing a partial discharge to be classified from between at least one first class and a second class distinct from the first class. The method includes: obtaining a set of samples each corresponding to at least one partial discharge, determining a classification model by automatic learning based on at least one statistical quantity of the samples of the set, acquiring a new sample corresponding to at least one partial discharge, and determining the class of the partial discharge associated with the new sample acquired using the classification model.

Abstract: A method for managing a display of at least one information item relating to a device disposed in a location, including: supplying, to the data processing unit, at least one first image of the device, generating, by the data processing unit, in a memory, a representation of the location including at least one template of the device, the template being composed of a parallelepiped or of a plurality of parallelepipeds, superimposing the first image on a face to form a representation, positioning, on the representation, a point of interest including an information item to be displayed relating to the device, generating an enriched image from the representation, and a step of display of displaying the enriched image on a screen.

Abstract: An electrical protection device capable of operating without auxiliary electrical power supply includes a control module configured to detect an electrical fault and a switching module, a first circuit including at least two normally-on JFET transistors and a switching member including a first contact. The switching module is configured so that, upon a switchover of the first contact when the current circuits, an electric arc is formed and so that the appearance of the electric arc generates an electrical signal transmitted to at least one of the transistors, the electrical signal driving the switching of the transistor.

Abstract: An electromagnetic actuator has: an armature carrying at least one coil; a ferromagnetic yoke configured to channel a magnetic flux created by the coil; and a ferromagnetic moving part that interacts with the yoke to form a magnetic circuit formed at least in part by an assembly of laminated metal plates, the moving part being configured to move in relation to the armature under the action of the magnetic field generated by the coil. The actuator moreover has an auxiliary magnetic circuit made of electrically conductive material, in order to permit the flow of currents induced in the auxiliary magnetic circuit when a magnetic field is generated by the coil.

Abstract: A linear motor system, in particular a transport system, for example a multi-carrier system, includes a guide track having a plurality of electromagnets arranged distributed along the guide track. The linear motor system furthermore includes a first and a second carrier that are guided by and movable along the guide track and that each include a drive magnet for cooperating with the electromagnets of the guide track to move the carriers; and a control device for controlling the movement of the carriers relative to the guide track by a corresponding control of the electromagnets. Furthermore, the linear motor system includes at least one energy transmission element that is fastened to the first and/or second carrier and that transmits energy from the first carrier to the second carrier.

Abstract: A method for identifying a malfunctioning current sensor in an electrical apparatus, in which an electrical power supply of the electrical apparatus is at least partly supplied by a switched-mode electrical power supply circuit connected to at least one current sensor which samples an electrical current in a phase conductor of an electrical installation, the power supply circuit delivering a regulated electrical voltage, the method including: determining a switching duty cycle of a power switch of the switched-mode electrical power supply; analysing the determined switching duty cycle; and identifying a failure condition if the behaviour of the switching duty cycle is representative of a malfunctioning of at least one of the current sensors.

Abstract: Exemplary embodiments include a device for connecting and disconnecting a high-voltage circuit. The device includes a first main terminal and a second main terminal, a first intermediate terminal connected to the first main terminal by a first impedance, a first arc quenching chamber arranged between the first intermediate terminal and the first main terminal, a second intermediate terminal connected to the first intermediate terminal by a second impedance, the first intermediate terminal being connected in series between the first main terminal and the second intermediate terminal, a second arc quenching chamber arranged between the first intermediate terminal and the second intermediate terminal, and a mobile armature making it possible to connect, in the disconnection direction, the second main terminal on the one hand and, on the other hand and in succession, the first main terminal, the first intermediate terminal and the second intermediate terminal.

Abstract: A method for detecting an isolation fault in an electrical installation comprises: measuring an AC electrical voltage between phase conductors of an electrical load to be monitored and ground, and an electric fault current flowing between said electrical load and ground; identifying, in the measured electrical voltage, at least one first component oscillating at the predefined first frequency and one second component oscillating at the predefined second frequency; calculating an impedance of the electrical fault from the measurements and an impedance of the electrical installation from the identified first and second components; selecting a predetermined case from a predefined list; and identifying an operating condition of the electrical installation on the basis of the selected predetermined case.

Abstract: An electrical distribution system includes a distributor designed to distribute an electric current in an electrical installation, the distributor being configured to be connected to a distribution grid, to at least one secondary electrical power supply source and to a plurality of the electrical loads . An electronic control device is configured to manage power supply parameters of at least some of the electrical loads to reduce the electric current consumed and/or to manage operating parameters of at least some of the secondary electrical power supply sources in order to reduce the electric current delivered by these sources, so as to comply with a current threshold dictated by a protection element and/or by the distributor .

Abstract: An electricity distribution system for a domestic installation including multiple electrical sources. The system includes a connecting device arranged for distributing an electric current in the installation, from sources including an electricity distribution network and at least one auxiliary electrical supply source, to at least one electricity consuming load, the connecting device including at least one linear segment, each linear segment including a plurality of electrical conductors adapted to route the electric current along an electrical conduction path.