Abstract: It is disclosed a motor thermal protection device and operation method thereof. The motor thermal protection device utilizes a power supply of a motor for power supplying and comprises: a capacitor timing circuit, configured to time after the motor is powered off; a power-off time determining unit, configured to perform a reading operation of reading an output voltage of the capacitor timing circuit after the motor is powered on, and determine a power-off time from when the motor is powered off to when the motor is powered on according to the output voltage; and a heat accumulation calculating unit, configured to calculate a remaining heat accumulation when the motor is powered on according to the power-off time and a heat accumulation when the motor is powered off.

Abstract: The present disclosure relates to contactor, and device and method for controlling same. A control device for a contactor comprises a high side control unit, a first low side control unit, a second low side control unit, a freewheeling unit, and a controller. The high side control unit is configured to switch on or switch off the connection of the first magnetic unit and the second magnetic unit of the contactor with a power supply. The first low side control unit is configured to switch on or switch off the connection of the first magnetic unit with the reference voltage node. The second low side control unit is configured to switch on or switch off the connection of the second magnetic unit with the reference voltage node. The freewheeling unit is connected across a branch comprising a first magnetic unit and a first low side control unit and connected across a branch comprising a second magnetic unit and a second low side control unit.

Abstract: An electrical connection enclosure comprises at least one electricity source connected to an associated electrical load and comprising a base, a frontal portion, a cover and functional elements attached to the base. All the electricity sources have a base of constant height and a frontal portion and a cover whose heights are adapted to the dimensions of the functional elements. The electrical enclosure comprises at least one external connection module (706) associated to one of the electricity sources and selected from a set of external connection modules. Each external connection module comprises a first end (709) of height equal to the height of the bases and comprising input connectors (710) connected to the electricity source, and a second end (711) of height equal to one, two or three times the height of the bases and less than or equal to the height of the associated electricity sources and comprising output connectors (712) connected to the electrical load.

Abstract: An inrush current detection method, an inrush current detection device and a computer-readable storage medium for a transformer are disclosed. The inrush current detection method includes sampling at least a part of a current signal of the transformer to obtain a numerical matrix; providing the numerical matrix as an input to an inrush current detection neural network; and calculating and outputting a label vector corresponding to the numerical matrix by the inrush current detection neural network, wherein the label vector indicates whether the current signal is an inrush current.

Abstract: A stackable electrical contact block includes a housing, the housing having a top and bottom side and accommodating a first and second electrical terminal, an actuation pusher adapted to move from a resting position to an actuated position to break the contact between the first and second terminals, the actuation pusher having a head protruding from the top side, a clearance below the actuation pusher, and a return spring biasing the actuation pusher towards its resting position, a bottom end of the return spring extending into the clearance. The housing's bottom side is a connection interface with an entrance providing access to the clearance. A central part of the clearance is taken up by the bottom end of the return spring, and a peripheral part is a space for receiving the actuation head of a component connected to the contact block via the connection interface.

Abstract: A method for testing capacitive current switching of a circuit breaker, including: realizing a capacitive current switching by the circuit breaker, measuring voltage at the terminals of the circuit breaker after the capacitive current switching, calculating the gradient of the measured voltage, determining whether there is at least one point of gradient whose amplitude exhibits an absolute value greater than a first predetermined threshold, and when such a point is determined, identifying the instant of appearance of the determined point and of the amplitude of variation of the voltage at that instant, as voltage drop.

Abstract: A method for monitoring a distributed energy generation system in an electrical system including a plurality of decentralized energy generation systems connected to a feeder line. The method includes, by an electronic controller of the electrical system: obtaining a model of a target decentralized energy generation system; acquiring output data from the decentralized energy generation system at a feeder level; determining if the target decentralized energy generation system is connected to the electrical distribution system; and determining, based on the acquired output data and the obtained model, the operational status and the generated electric power of the target decentralized energy generation system.

Abstract: A method of operating a transport system, in particular a multi-carrier system, which comprises a plurality of linear motors, which are arranged in a row and have a guide track, and a plurality of transport elements that are movable along the guide track by means of the linear motors, has the following steps: generating a travel job for a first one of the transport elements for travelling along at least a part section of the guide track, generating a first movement profile of the first transport element for the travel job based on predetermined movement characteristic values, matching the first movement profile with a second movement profile of a second transport element directly in front of the first transport element and determining whether a predetermined minimum distance between the first transport element and the second transport element is fallen below during the execution of the travel job, updating the first movement profile to maintain the minimum distance if it has been determined that the minimu

Abstract: A method for configuring and displaying, in augmented or mixed or extended reality, the information relating to equipment installed in a real site, including: constructing a database in which each document or each selected part of a document is associated with a corresponding electronic tag that contains an address which leads to the document or to the selected part of the document associated therewith; unequivocally identifying the equipment installed in the real site; associating the identified equipment with an electronic tag; creating one or more first points of interest linked to at least one electronic tag and configured to be superposed on a first document or on a first selected part of a corresponding document; creating one or more second points of interest to be displayed in a manner superposed on the equipment; and associating a second point of interest with at least one first point of interest.

Abstract: A safety detector including a detection module configured for reading a control signal at the input, the detector including two supply terminals, a first control input and a first control output, a first safety output and a second safety output, and a first free terminal and a second free terminal, the detector including: a second control input connected to the first free terminal and a second control output connected to the second free terminal, and a test module configured for notably applying a first test sequence including a disabling of the first control output and a test of a start loop connected between the second control output and the first control input.

Abstract: The present disclosure discloses an embedded system and a message processing method. The embedded system includes a field programmable gate array (FPGA) configured to determine at least one first generic object-oriented substation event (GOOSE) message to which the embedded system subscribes from a plurality of externally received GOOSE messages, wherein each first GOOSE message triggers an execution of one first task, and the first task is preconfigured as a plurality of subtasks; a first processing core configured to execute at least one first subtask of the plurality of subtasks; and a second processing core configured to execute at least one second subtask of the plurality of subtasks; wherein an execution of a 1st first subtask of the at least one first subtask is triggered by the first GOOSE message, and the at least one second subtask is executed after an execution of the at least one first subtask is completed.

Abstract: A method for transmitting secured Ethernet frames on a communication line, the method including the following in a transmitter module: receiving an Ethernet frame comprising payload data from a network layer retrieving a secure policy, defining the type of security to be applied to the Ethernet frame; producing an initialization vector based on an encryption counter and a physical address of the transmitter module; creating an authentication tag by applying an authentication algorithm on the secure policy, the initialization vector and the payload data using a shared key and the initialization vector; adding the secure policy, the initialization vector and the authentication tag to the payload data to create a secured Ethernet frame; and sending the secured Ethernet frame to a data link layer for transmission on the communication line.

Abstract: A method for determining a quantity of a gas contained in a tank of an insulated switchgear. The method includes: (i) acquiring a first temperature and a second temperature measured by a gas temperature sensor respectively at a first instant and at a second instant during a calibration phase; (ii) acquiring a first pressure and a second pressure measured by a gas pressure sensor at the first instant and at the second instant; (iii) determining a steady-state model of the tank thermal exchanges from the first and second acquired temperature and from the first and second acquired pressure; (iv) acquiring a gas temperature, a gas pressure and an ambient temperature during a measurement phase and (v) calculating the quantity of the gas contained in the tank from the acquired gas temperature, the acquired gas pressure, the acquired ambient temperature and from the determined steady state model.

Abstract: A method for generating a trajectory for a load transported by a hoisting appliance spanning a hoisting area. The method includes providing a 3-dimensional model of the hoisting area with located obstacles within the hoisting area, providing load parameters including load length, height, width and weight. Generating a trajectory for navigating through the hoisting area using the model of the hoisting area and taking in account located obstacles, load parameters; and load movement parameters including a maximum attainable speed of the hoist appliance with the load, wherein the generated trajectory includes a starting point, a target point and a number of consecutive line segments connecting the starting point and the target point. And optimizing the trajectory for speed by maximizing the length of at least one line segment in a main direction of travel in order to travel at a maximum attainable speed of the hoisting appliance with the load in the main direction of travel.

Abstract: The invention relates to a method of assigning addresses to bus participants connected to a data bus, in which the bus participants are electrically and in particular also mechanically coupled to a respective base plate, with the base plates each comprising an electrical test element; the base plates are electrically connected along a row to adjacent base plates in each case, with the base plates forming a test circuit in which the test elements are preferably connected in series; a central unit is connected to the test circuit; a test current is impressed into the test circuit; at least one bus participant, in particular a bus participant without a bus address, makes a change to the test circuit; the change of the test circuit is measured by means of the central unit; and based on the change of the test circuit, a position of the bus participant making the change or of the bus participant without a bus address is determined and a bus address is assigned to the bus participant making the change or to the b

Abstract: A method for counting and for determining the position of people in a room, the method including: activating a thermal imager; the thermal imager capturing a raw thermal image of a scene included in the room; deactivating the thermal imager; after deactivating the thermal imager, acquiring a calibrated thermal image of the scene from the raw thermal image; comparing the calibrated thermal image of the scene with another calibrated thermal image of the scene acquired beforehand; and acquiring the number of people and the position of the people in the room.

Abstract: A method for obtaining the position of a person in a space of a building via a thermal imager including a wide-angle lens, the method including: acquiring, with the thermal imager, through its wide-angle lens, a deformed thermal image of a scene including the person, the deformed thermal image including a hot zone corresponding to the person present in the scene; extracting a region of interest corresponding to the person from the deformed thermal image using an algorithm; determining the position of the region of interest by identifying the polar coordinates distance r and angle ? of the centre of the region of interest in a polar coordinate system the origin of which is at the centre of the deformed thermal image; and obtaining the actual position of the person by applying a wide-angle correction function to the distance r.

Abstract: A method for detecting a tripping of a disconnection unit in an electrical enclosure, the electrical enclosure including at least one disconnection unit for disconnecting electric current and at least one switching unit for switching the electric current, the method including a learning phase configured to generate decision-making categories associated with an acoustic signature of the tripping of the at least one disconnection unit, and a phase of detecting the tripping of the disconnection unit, including: acquiring a unit noise signal generated by at least one of the disconnection units for disconnecting the electric current or at least one switching unit for switching the electric current, and comparing the unit noise signal with the decision-making categories in order to detect whether the unit noise signal corresponds to the tripping of the disconnection unit.