Schneider Electric Patente

Embodiments of the present disclosure provide a method (400), an apparatus (500), a system, a device (600) and a storage medium for data transmission. The method (400) includes: determining (410), in response to receiving a request for application data from a client, a transmission cycle for transmitting the application data; sending (420), via a master device, first process data object information to a plurality of slave devices within a first time window of the transmission cycle, the first process data object information indicating a control operation of the master device for the plurality of slave devices; sending (430), via the master device, synchronization information to the plurality of slave devices within a second time window of the transmission cycle, to enable the plurality of slave devices to send second process data object information to the master device, the second process data object information at least indicating a response of the plurality of slave devices to the control operation; and transmitting (440) the application data to the client to respond to the request within at least one time window of the transmission cycle other than the first time window and the second time window.

A circuit-breaking mechanism includes: a base including an insertion hole; a driving member rotatably coupled to the base; a bridging assembly rotatably coupled to the base, and coupled to the driving member; a trigger member arranged at a position corresponding to the insertion hole, and adapted to be driven by an inserted ground pin to move from an initial position to an energy storage position; and a reset member arranged between the trigger member and the base, and adapted to be pressed to store energy by the trigger member moving from the initial position to the energy storage position, after the ground pin is withdrawn for a predetermined stroke, the reset member being adapted to drive the trigger member to reset from the energy storage position to the initial position and drive the driving member to reset from an on position to an off position, thereby actuating the bridging assembly.

An anti-reverse protection circuit (100) includes: an input side (1101, 1102); an output side (1201, 1202); a power supply circuit (130) including a control module (180) and a step-down circuit (190), where the control module is coupled to the input side and the step-down circuit; a unidirectional conduction circuit (140) coupled between the input side and the power supply circuit, and adapted to become closed when the wiring is reverse; and a normally closed switch arranged between the input side and the output side, and coupled to the power supply circuit. When the wiring is correct, the normally closed switch is in a conducting state to allow a circuit between the input side and the output side to be a conducting circuit, and when the external power supply is reversely wired and supplies power to the power supply circuit, the normally closed switch is opened to cut off the circuit between the input side and the output side.Fig. 1

A DC socket includes: a base including a receiving groove, and a pair of fixed attracting members and a pair of electrode socket contacts disposed in the receiving groove; a first connecting member, an end of the first connecting member being electrically connected to one electrode socket contact, and the other end of the first connecting member being provided with a moving contact point; a moving member adapted to be pressed or released by a pin to move along a moving direction; a mating member movably connected to the moving member and adapted to move along the moving direction and coupled to the first connecting member; and a movable attracting member disposed on the mating member and located between the pair of fixed attracting members. The movable attracting member can move towards a corresponding fixed attracting member upon being adjacent to the corresponding fixed attracting member.

Embodiments of the present disclosure provide a wiring module for a power distribution device and a power distribution device. The power distribution device includes a body and a housing, the housing being detachably mounted on the body, and the body being provided with a conductive terminal coupled to a main circuit, the wiring module includes: a bracket detachably coupled to the housing, and the bracket at least includes a wiring opening for a wire to be inserted into the bracket; and a pressing member arranged within the bracket and arranged to be pressed by a wire inserted into the bracket to switch from a to-be-locked state to a locked state, in the to-be-locked state, the pressing member is not in contact with the conductive terminal, and in the locked state, the pressing member presses the wire to conduct the wire and the main circuit via the conductive terminal.

TECHNICAL FIELD The present disclosure relates to the electrical field, specifically to a switching device. The disclosure provides a switching device, including: a tripping trigger member; a first protection module, configured to be able to actuate the tripping trigger member; a second protection module, provided with a thermo-magnetic tripping member and a latch member configured to engage with each other, wherein, upon a temperature of the second protection module exceeding a temperature threshold and/or a second protection current flowing through the second protection module exceeding a second protection current threshold, the latch member moves, so that the thermo-magnetic tripping member disengages from the latch member and moves away from the latch member from a latched position in which the thermo-magnetic tripping member is latched with the latch member to a tripped position; a connection member, provided with a first part and a second part, the first part is matched with the thermo-magnetic tripping member, so that a movement of the thermo-magnetic tripping member from the latched position to the tripped position drives the connection member to move from a first position to a second position, and the second part is matched with the tripping trigger member, so that a movement of the connection member from the first position to the second position actuates the tripping trigger member, the second protection module is independent of the first protection module.

A DC socket includes: a bracket including a first through hole and a pair of second through holes; three socket contacts including a ground socket contact disposed at the first through hole and a pair of electrode socket contacts each disposed at the corresponding second through hole; and a protective shutter supported by the bracket and slidable between a first position and a second position along a first direction. The protective shutter includes a driving surface that is adapted to be driven by a ground pin, and the first direction is arranged at an angle with respect to width directions of a positive and negative pins, to enable the protective shutter to slide obliquely. When the protective shutter is in the first position, the driving surface is aligned with the first through hole to block through holes. When the protective shutter is in the second position, the through holes are exposed.

La présente invention concerne un procédé de diagnostic (200) d'un disjoncteur comprenant au moins un pôle, chaque pôle comprenant un contact électrique configuré pour basculer entre une position fermée et une position ouverte. Le procédé comprend : - pour chaque pôle du disjoncteur, au moins une prise de vue (208A, 208B) du contact électrique du pôle ; - pour chaque pôle du disjoncteur, au moins une détermination (218A, 218B) d'un état de santé du pôle parmi au moins deux états au moyen d'un algorithme d'intelligence artificielle, l'algorithme d'intelligence artificielle prenant en entrée l'au moins une prise de vue du pôle et fournissant en sortie l'état de santé du pôle ; - une détermination (220A, 220B) d'un état de santé du disjoncteur parmi au moins deux états, en fonction de l'état de santé de chaque pôle ; et - une restitution (222, 224) de l'état de santé du disjoncteur.

The embodiment of the present disclosure relates to a solid-state circuit breaker and a method for controlling reclosing of the solid-state circuit breaker. The solid-state circuit breaker includes: a power electronic switch located in a main loop; an instantaneous trip protection circuit configured to output a first signal for controlling the power electronic switch based on a current in the main loop; a pulse width modulation (PWM) circuit configured to charge a load in a PWM current-limiting mode based on the current of the main loop and output a second signal for controlling the power electronic switch; and a gating circuit connected to the instantaneous trip protection circuit, the PWM circuit and the power electronic switch, and configured to selectively connect the instantaneous trip protection circuit or the PWM circuit with the main loop.

Disclosed is a busbar (100) and a busbar assembly. The busbar (100) includes a body (1) and at least one first conductive connecting member (2). The body (1) includes a pair of end parts (11) disposed opposite to each other along a length direction thereof, and each end part (11) of the pair of end parts (11) includes a pair of first surfaces (112) disposed opposite to each other along a thickness direction of the body (1). The at least one first conductive connecting member (2) is disposed on at least one first surface (112) of the pair of first surfaces (112) of a corresponding end part (11) of the body (1).

Embodiments of the disclosure provide a DC socket (100). The DC socket (100) includes: a bracket (1) including a pair of first through holes (11). A pair of socket contacts are each disposed at the corresponding first through hole (11). A protective shutter (3) is slidable relative to the bracket (1) between a first position and a second position along a first direction, where the protective shutter (3) includes a pair of driving surfaces (31) disposed at an angle to each other. One driving surface (31) can be driven by a positive pin (201) of a plug (200), and the other driving surface (31) can be driven by a negative pin (202) of the plug (200), where the first direction is arranged at an angle with respect to the width direction of the positive pin (201) and the width direction of the negative pin (202), to enable the protective shutter (3) to slide obliquely. A covering member (4) covers the protective shutter (3) and the bracket (1) and includes a pair of second through holes (41).

A circuit breaker (100) includes a housing (10) having a first cavity (11) and an arc-extinguishing chamber (12). A moving contact support (21) has a pivot axis and a rotating arm (212). The rotating arm (212) can rotate in the first cavity (11) and is provided with a moving contact point (2121). A fixed contact (30) is disposed on the housing (10) and a second end (302) of the fixed contact (30) extends to a first side of the arc-extinguishing chamber (12). The fixed contact (30) is provided with a fixed contact point (33). An arc-extinguishing grid sheet assembly (40) is disposed in the arc-extinguishing chamber (12) and includes first and second arc-extinguishing grid sheets (41, 42) respectively corresponding to the first and second sides of the arc-extinguishing chamber (12). The arc-extinguishing chamber (12) extends in an arcuate shape. A distance (L) between a side surface (121) of the arc-extinguishing chamber (12) facing towards the pivot axis and the pivot axis gradually increases in a direction from the first side to the second side of the arc-extinguishing chamber (12).

A dual power transfer switch, including: a first switch K1, including a first movable contact 4 configured to be rotatable between a first position and a second position; a second switch K2 and a power electronic switch K3, which are connected in parallel and then connected in series with the first switch K1, the second switch includes a second movable contact 5, and the second movable contact is configured to be switchable between a third position and a fourth position; and a driving mechanism, configured to drive the first movable contact to switch between the first position and the second position and to drive the second movable contact to switch between the third position and the fourth position, in a first power supply operating mode of the dual power transfer switch, the first movable contact is in the first position, the second movable contact is in the third position, and the power electronic switch is in the OFF state, in a second power supply operating mode of the dual power transfer switch, the first movable contact is in the second position, the second movable contact is in the fourth position, and the power electronic switch is in the OFF state.

Embodiments of the disclosure provide an electrical connector and an electrical system. The electrical connector includes a pair of covers, a plurality of insulators, and a plurality of conductive assemblies. The plurality of insulators are disposed between the pair of covers and spaced apart from each other to define a connection region for insertion of a busbar between adjacent insulators of the plurality of insulators. Each conductive assembly is disposed between corresponding adjacent insulators of the plurality of insulators and is coupled to one of the corresponding adjacent insulators. Each conductive assembly includes a metal substrate and a conductive connecting member. The conductive connecting member includes a contact plate. The contact plate is disposed on a side of the metal substrate facing towards the connection region and is coupled to the metal substrate.

A double-loop strain relief and shield clamp for securing and shielding a cable to an electric device including a metal carrier, a strip, in particular a metal strip and a rewinder. The strip is configured to form a first loop and a second loop. The rewinder is configured to wind the strip to shield the cable with the first loop of the strip and secure the cable to the metal carrier with the second loop of the strip, wherein the first loop of the strip encompasses the cable and the second loop of the strip encompasses the cable and a securing part of the metal carrier.

A method for managing a first node of a control network of an industrial automation system, the method being implemented by the first node, is provided, which comprises: obtaining configuration information that comprises node pairing information related to pairing with one or more other nodes of the control network by performing a redundancy pairing procedure with the first node for synchronizing a first set of one or more states of the first node between the first node and the one or more other nodes of the control network, wherein the node pairing information comprises pair node information that identifies a second node of the control network, and spare node identification information that identifies a spare node of the control network, determining that the second node cannot be paired with the first node, and upon determining that the second node cannot be paired with the first node, performing the redundancy pairing procedure for pairing with the spare node for synchronizing a second set of one or more states of the first node between the first node and the spare node.

Ce procédé de détection est mis en œuvre pour une installation électrique (10) comprenant un support (22), sur lequel est monté au moins un disjoncteur (20) et un capteur de vibration (30). Lors du déclenchement du disjoncteur (20), on mesure au moins une grandeur caractéristique des vibrations générées par le disjoncteur (20), les mesures de vibration étant reçues par une unité de contrôle (40) puis comparées à au moins un critère de détection prédéfini, chaque critère de détection étant préalablement enregistré dans une mémoire de l'unité de contrôle (40). En résultat de la comparaison, on détecte le déclenchement du disjoncteur (20).

A switching unit includes a first group of power devices, a first and second electrodes of each power device are respectively electrically connected to a first and second nodes. A method for monitoring a switching unit in a solid-state circuit breaker includes: during a period in which a main circuit current flows from the first electrode to the second electrode in a first direction, causing a first turn-off voltage to be applied to a gate of each power device in a first time period; in response to the application of the first turn-off voltage, obtaining a voltage across a first capacitive element, where the first capacitive element and a first resistive element are connected in series between the first and second nodes; and based on the voltage across the first capacitive element, determining whether a turn-off function of each power device of the first group of power devices is normal.

A signal detection apparatus (1) includes an acquisition assembly, a charging capacitor (3), an AC-DC conversion module (4), a detection capacitor (5), and a pair of voltage detection interfaces (6). The acquisition assembly is coupled to a target line (11) to acquire a surge signal in the target line (11). The acquisition assembly includes at least two acquisition coils (2) connected in series. Two ends of the charging capacitor (3) are respectively coupled to the acquisition assembly, and the charging capacitor (3) is adapted to be charged by the acquisition assembly. The AC-DC conversion module (4) is connected in parallel to the charging capacitor (3) to convert an AC voltage output by the charging capacitor (3) into a DC voltage. The detection capacitor (5) is coupled to the AC-DC conversion module (4) to be charged by the AC-DC conversion module (4). The pair of voltage detection interfaces (6) are respectively coupled to two ends of the detection capacitor (5) to detect a voltage across the detection capacitor (5).

A torque indicating apparatus includes a torsion member and an indicator. During a process of a bolt being screwed into a threaded hole of the electrical device, the torsion member is adapted to be pressed by the bolt and undergo deformation. The torsion member includes: a pair of elastic parts, adapted to contact the bolt to be pressed and move closer to each other during the process of the bolt being screwed into the threaded hole; a pair of extending parts respectively coupled to the pair of elastic parts and adapted to extend along an axial direction of the bolt; and a connecting part arranged between the pair of extending parts and coupled to the pair of extending parts. The indicator is movably coupled to a housing and adapted to move between a looseness position and a tightness position in response to the deformation of the torsion member.

The disclosure relates to a terminal shield and to a circuit breaker with said terminal shield. The terminal shield comprises: a bottom wall (10); a top wall (20); and two or more deflector walls, each deflector wall extending from one of the bottom wall (10) and the top wall (20) toward the other and ending at a distance therefrom, so that a meandering gas-flow channel is formed by the bottom wall (10), the top wall (20) and the deflector walls.

La présente invention concerne un disjoncteur hybride (1), comprenant un dispositif de commutation (5) et une unité de contrôle (7). Le dispositif de commutation (5) comprend une branche principale (25), comprenant un interrupteur mécanique (17), et une branche d'interruption (27), comprenant un composant semi-conducteur (19) et un interrupteur d'isolation (21). Le composant semi-conducteur (19) est configuré pour basculer entre une configuration passante et une configuration bloquée. L'interrupteur d'isolation (21) est configuré pour basculer entre une configuration fermée et une configuration ouverte. L'interrupteur mécanique (17) est configuré pour basculer une configuration fermée, une configuration ouverte et une configuration sectionnée. La résistance au passage du courant dans la branche principale de l'interrupteur mécanique (17) en configuration sectionnée est supérieure à la résistance au passage du courant dans la branche principale de l'interrupteur mécanique (17) en configuration ouverte.

Embodiments of the disclosure provide a busbar support apparatus and a power distribution cabinet. The busbar support apparatus includes a first support member and a second support member spaced apart. The adjacent sides of the first and second support members are respectively provided with a plurality of first grooves. The top and bottom of the first and second support members are respectively provided with a plurality of second grooves. The plurality of first grooves are respectively configured to fix a plurality of busbars. The plurality of second grooves are respectively configured to fix a plurality of inter-phase insulating separator plates. A plurality of outer insulating sleeves are arranged between the first and second support members and respectively correspond to the plurality of second grooves. A plurality of connecting assemblies respectively penetrate through the plurality of outer insulating sleeves and are coupled to the first and second support members.

Il est proposé un dispositif de coupure (30) pour un appareil électrique (100) de moyenne tension, comportant :- un contact fixe (1),- un contact mobile (2) configuré pour pivoter par rapport à un axe de pivot (R2) entre :une première position (P1) dans laquelle les contacts (1,2) sont écartés, etune deuxième position (P2) dans laquelle les contacts (1,2) sont en contact,dans lequel le contact fixe (1) comprend un guide d'arc électrique (5) saillant du contact fixe (1), le guide d'arc électrique (5) étant configuré pour être parcouru par un arc électrique généré à l'établissement ou à la coupure du courant électrique entre le contact fixe (1) et le contact mobile (2),dans lequel le guide d'arc électrique (5) comprend deux rainures (6) séparées par une nervure (7).

A solid-state circuit breaker (100) includes an electronic switch (170); a mechanical switch (110) configured to complete a turn-on process and a turn-off process by manual operation; and a sensor (120, 130, 140) configured to generate a trigger signal depending on a position of the mechanical switch (110) during at least one of the turn-on process or the turn-off process. A control unit (150) is configured to activate a boosting mechanism (160) according to the trigger signal. The boosting mechanism (160) is configured to provide a boost for the turn-on process or the turn-off process. The electronic switch (170) is connected in series with the mechanical switch (110).

Ein Gehäuse zur Hutschienenmontage weist an seiner Rückseite eine Hutschienenhalterung mit Haltevorsprüngen auf, zwischen denen ein Federelement vorgesehen ist, mit dem das Gehäuse lösbar an einer Hutschiene befestigbar ist.

The present disclosure proposes an operating mechanism, including: a housing; a transmission shaft, being parallel to a movable contact pivot axis, penetrating through and protruding from a movable contact assembly; a pull rod, configured to move between a first position and a second position; a pivot plate, installed to be able to pivot around the movable contact pivot axis relative to the housing, the pivot plate being provided with a first hole connected with the transmission shaft; a first pivoting member, one end of the first pivoting member being pivotally connected to the housing; and a second pivoting member, one end of the second pivoting member is pivotally connected to other end of the first pivoting member and the pull rod, and other end of second pivoting member is pivotally connected to the pivot plate at a second hole of the pivot plate to drive the pivot plate to pivot around the movable contact pivot axis, and then the pivot plate drives the movable contact assembly to pivot around the movable contact pivot axis, a distance between the second hole and the movable contact pivot axis is smaller than a distance between pivot axes of two ends of the first pivoting member.

Ein Steckdosengehäuse weist eine Vorderseite auf, von der aus sich ein Steckdosentopf mit einer Mittelachse in das Gehäuseinnere erstreckt, wobei der Steckdosentopf in axialer Richtung mit einem Ringsteg über die Vorderseite des Steckdosengehäuses vorsteht.

A miniature circuit breaker (100) includes a tripping mechanism (10), a magnetic trip assembly (30), and an electronic trip unit (40). The tripping mechanism (10) includes a moving contact support (11), a moving contact (12), and first and second actuation input parts (131,132) which are adapted to drive the moving contact support (11) to move to drive the moving contact (12). The magnetic trip assembly (20) includes a coil (31) and an actuation part (32). When a main circuit current is greater than a first predetermined short-circuit current threshold, the actuation part (32) acts to apply an external force to the first actuation input part (131). The electronic trip unit (40) includes a current sensor (41), a controller (42), and an action actuator (43). The controller (42) is configured to control the action actuator (43) to apply the external force to the second actuation input part (132) in response to the main circuit current being greater than a predetermined overload current threshold and less than a second predetermined short-circuit current threshold.

The embodiment of the present disclosure provides an interlocking apparatus (3) for a drawer cabinet and a drawer cabinet. The interlocking apparatus (3) comprises a locking mechanism (4) arranged within a drawer (2) of the drawer cabinet and comprising: a bracket (41); a driving plate (43) coupled to the bracket (41); and a locking plate (42) coupled to the driving plate (43) and slidably connected to the bracket (41) in a second direction, and exit a locking hole of a fixing portion of the drawer cabinet during sliding of the driving plate (43) from the locking position to the unlocking position; and a limiting mechanism (5) arranged within the drawer (2) and located between a handle (21) of the drawer (2) and the locking mechanism (4), comprising: a fixing plate (51) coupled to the drawer (2); a cam crank arm (52) coupled to the handle (21) and adapted to rotate with the handle (21) between an opening position and a closing position; and a limiting member coupled to the fixing plate (51).

A method for predictive maintenance of a device based on temperature monitoring involves creating (P1) a digital twin of the device. The method includes determining (S1) a virtual ambient temperature, VAT, by recording ambient and device temperatures when the device is not in operation, creating a model to reproduce the variation of device temperature based on ambient temperature, and calculating (S2) a relative device temperature, RDT. The method further includes calculating (S3) an additional temperature variation, DTVA, due to the device's operation, recording operational data, and training (S4) the digital twin with this data. The digital twin predicts (S5) temperature increases based on operational data, and the method predicts device temperature by adding VAT to the predicted increase. Abnormal temperatures are detected (S6) by comparing predicted and actual temperatures, identifying deviations that exceed a predefined threshold. The system includes sensors, a data acquisition unit, a processing unit, and a communication module for transmitting alerts.

A system for detecting failures of solid-state switches in a main circuit includes: a first solid-state switch; a second solid-state switch connected in series with the first solid-state switch and in parallel with a diode; a voltage dividing resistor connected in series with the first solid-state switch and the second solid-state switch; and an injection unit configured to apply a voltage to a circuit including the first solid-state switch, the voltage dividing resistor, and the second solid-state switch. A control unit is configured to: transmit a first driving signal and a second driving signal to the first solid-state switch and the second solid-state switch, respectively, wherein the first driving signal and the second driving signal are used to indicate the switches to close; and determine whether the first and second solid-state switches have failures based on a voltage across the voltage dividing resistor.

The disclosure relates to a circuit for multi-color LED mixed color balance calibration, the circuit including: an LED loop including one or more LED channels with different colors, each of the one or more LED channels with different colors includes one or more LEDs with a same color and an LED switch; an LED junction configured to be connected to the one or more LED channels with different colors; a voltage divider resistor configured to be connected between the LED junction and a color calibration switch; the color calibration switch configured to enable or disable color calibration based on a received color calibration enable signal; and a microprocessor configured to: generate a color calibration enable signal, measure a first voltage, based on the generated color calibration enable signal, and adjust a mixed color output by the LED loop based on the measured first voltage.

L'invention concerne un dispositif de mesure (4) d'au moins une grandeur électrique d'un signal électrique circulant dans un dispositif contacteur (2), le dispositif contacteur (2) comportant, pour chaque phase parmi N phases, un élément de contact (18) connecté à un conducteur électrique de phase (15), l'au moins une grandeur électrique comprenant une tension, le dispositif de mesure (4) étant configuré pour être installé en façade dudit dispositif contacteur (2), et comprenant une unité de contrôle électronique (24) comportant N nappes flexibles (26), et pour chaque phase :-un ensemble de connexion (20) connecté à une desdites nappes flexibles (26),-une pièce d'actionnement (22) de l'ensemble de connexion (20), configurée pour être déplacée d'une position libre dans laquelle l'ensemble de connexion (20) est isolé électriquement du dispositif contacteur à une position bloquée dans laquelle l'ensemble de connexion (20) est en appui sur un desdits éléments de contact (18) du dispositif contacteur.

Ce procédé de détermination automatique de la topologie d'un réseau Ethernet 10BASE-T1S comportant plusieurs nœuds connectés sur un même tronc de communication comporte les étapes suivantes, exécutées par un nœud de contrôle qui est un nœud d'extrémité du tronc : - initialisation (32) par envoi d'un message d'initialisation de la détermination de topologie, comprenant une instruction de passage en mode de simple réception, à tous les nœuds connectés, o pour chacun des nœuds connectés, un envoi (36) d'un message d'activation de mesure audit nœud connecté, et une mise en œuvre (38) d'un procédé de mesure de distance entre le nœud de contrôle et ledit nœud connecté, et mémorisation (40) de la distance mesurée, - détermination (44) de l'ordre de connexion des nœuds par rapport au nœud de contrôle en fonction des distances mémorisées, et - envoi (42) d'un message d'arrêt de la détermination de topologie à tous les nœuds connectés.

A DC socket includes: first and second socket contacts respectively electrically coupled to a positive and a negative electrodes of a power supply; a trigger circuit generating a first trigger signal upon a plug being inserted to a first predetermined position; an on-off control unit connecting to the trigger circuit and including a first line and a second line respectively connected between the first socket contact and the positive electrode, where the first line is provided with a semiconductor switching element, the second line is provided with a relay, and the on-off control unit controls the semiconductor switching element to be switched on upon receiving the first trigger signal; a voltage detection unit connected between the first line and the on-off control unit, where the on-off control unit controls the relay to be switched on upon voltage of the first line being equal to a power supply voltage.

The present disclosure defines a DC socket comprising a positive socket contact (11) and a negative socket contact (12); a linkage detection unit (20) disposed adjacent to the positive socket contact (11) or the negative socket contact (12), and configured to generate a trigger signal in response to a pin (201) of a plug (200) being pulled out from the positive socket contact (11) or the negative socket contact (12) and passing a first position; a mechanical contact switch (30) electrically connected between the positive socket contact (11) and a positive power input terminal (101) of the DC socket, and configured to be closed in response to the pin (201) being inserted into the positive socket contact (11) or the negative socket contact (12) to a second position and be opened in response to the pin (201) being pulled out from the positive socket contact (11) or the negative socket contact (12) and passing the second position, wherein a pulled-out portion of the pin (201) in the second position is longer than that of the pin (201) in the first position; a control circuit (40) electrically connected to the linkage detection unit (20), and configured to generate a control signal lasting for a predetermined duration in response to receiving the trigger signal; and a delayed switching-off unit (50) electrically connected between the positive socket contact (11) and the positive power input terminal (101) and electrically connected to the control circuit (40), and configured to be switched on in response to receiving the control signal from the control circuit (40) and be switched off before the pin (201) is pulled out from the positive socket contact (11) or the negative socket contact (12).

Le procédé de recharge électrique est mis en œuvre par un système comportant un module de supervision, une pluralité de bornes de recharge et un dispositif de compensation adapté pour injecter un courant de compensation dans le réseau de distribution, chaque borne de recharge étant configurée pour communiquer avec le module de supervision via une liaison de communication, le procédé comportant une obtention, à partir de chaque borne de recharge, d'une représentation spectrale du courant consommé par la borne, une détermination (72) d'une représentation spectrale globale du système de recharge à partir des représentations spectrales du courant consommé par borne de recharge et par rang spectral, un calcul (75) d'au moins un paramètre d'au moins un courant de compensation, en fonction de la représentation spectrale globale et d'au moins un seuil de dégradation de facteur de puissance prédéterminé. Le courant de compensation est injecté dans le réseau de distribution d'électricité.

Embodiments of the present disclosure provides a short-circuit protection circuit, including: a sampling resistor connected to a main loop, a parasitic inductance of the sampling resistor being adapted to generate an inductive signal based on a current in the main loop; a clamping circuit clamping a voltage of the inductive signal to a first threshold voltage to provide a clamping signal; a first compensation rectification circuit and a second compensation rectification circuit adapted to perform power factor compensation and rectification on the clamping signal to convert the clamping signal into an intermediate signal having a predetermined waveform; and an output circuit connected to the first compensation rectification circuit and the second compensation rectification circuit to receive the intermediate signal, and adapted to generate an output signal in response to a voltage of the intermediate signal being greater than a second threshold voltage to indicate that the main loop is short-circuited.

Il est proposé un tableau de distribution électrique (100) de moyenne tension, comprenant :- un ensemble de cellules (10-A, 10B),- une unité centrale (1) connectée à deux bus de communication (B1,B2) et configurée pour émettre une requête de coupure du courant,chaque cellule (10-A,10-B) comportant respectivement :- un premier capteur (5-A,5-B) configuré pour mesurer un premier paramètre physique représentatif du courant électrique,- une unité d'interface (2-A,2-B) connectée au premier bus (B1), configurée pour émettre vers l'unité centrale (1) le signal du premier capteur (5-A,5-B),- un deuxième capteur (6-A,6-B) configuré pour mesurer un deuxième paramètre physique représentatif de conditions de fonctionnement de la cellule (10-A,10-B),- une unité d'acquisition (3-A,3-B) connectée au deuxième bus (B2), configurée pour émettre vers l'unité centrale (1) le signal du deuxième capteur (6-A,6-B),l'unité d'interface (2-A,2-B) étant configurée pour couper le courant de la cellule (10-A, 10B) sur réception de la requête de coupure.