This invention relates to a method of controlling an electrical distribution system comprising a power supply device delivering a medium AC voltage, electrical loads, and a conversion module per electrical load. The input terminals of all modules are connected in series to each other and to the power supply device. Each module includes a converter delivering to its electrical load a low DC voltage from the medium voltage. The method includes, for each module, adjusting the active power delivered by the module based on the operating active power of its electrical load and maintaining a constant apparent power of the module by regulating an amplitude and a phase shift of the voltage at the terminals thereof, based on the active power delivered by the module to its electrical load, the voltage and current delivered by the power supply device to the modules, and the number of modules.
G06F 1/26 - Power supply means, e.g. regulation thereof
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02M 5/458 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
2.
AUTOMATED CONTROL APPLICATION DEVELOPMENT WITH IEC 61499 ARCHITECTURE
Relatively simple user input is used to develop an automated control application. For automated control application development with IEC 61499 architecture, a method includes receiving a system prompt, automatically retrieving relevant information from a large corpus, wherein the large corpus includes a plurality of libraries, automatically creating an asset based on the relevant information, automatically generating a control sequence based on the relevant information, automatically generating a human-machine interface based on the relevant information, automatically generating a test case based on the relevant information, and automatically generating documentation based on the relevant information.
For optimizing an anti-sway algorithm for the transport of a load by a hoisting appliance spanning a hoisting area and comprising a trolley, a reeving system and a tool handling the load, a control device is able to: record a time-domain signal representative of a measured angle of the load with respect to a vertical Z-axis during operation of the hoisting appliance; perform a frequency domain analysis on the recorded time-domain signal to estimate its frequency components; identify a primary sway frequency and a secondary sway frequency of the hoisting appliance among the estimated frequency components; filter the time-domain signal representative of a measured angle of the load with respect to a vertical Z-axis by a lowpass filter designed to reject the identified secondary sway frequency; and transport the load in the hoisting area by applying the anti-sway algorithm to the filtered signal.
B66C 13/06 - Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
B66C 17/00 - Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
G06F 30/20 - Design optimisation, verification or simulation
4.
METHOD AND APPARATUS TO OPTIMIZE AN ANTI-SWAY FUNCTION
For optimizing an anti-sway algorithm for the transport of a load by a hoisting appliance spanning a hoisting area and comprising a trolley, a reeving system and a tool handling the load, a control device is able to: record operating parameters of the hoisting appliance comprising a speed parameter of the trolley and an angle parameter of the load with respect to a vertical Z-axis; apply the recorded speed parameters to a model of a double pendulum system associated with the hoisting appliance to generate corresponding angle parameters of the load; perform a statistical identification method to iteratively determine updated values for length and mass parameters of the model which minimize a difference between the recorded and generated angle parameters; calculate primary and secondary sway frequencies of the hoisting appliance based on the updated values for length and mass parameters of the model; during operation of the hoisting appliance, filter a signal representative of a measured angle of the load by a lowpass filter designed to reject the secondary sway frequencies; and transport the load in the hoisting area by applying the anti-sway algorithm to the filtered signal.
B66C 13/06 - Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
B66C 13/46 - Position indicators for suspended loads or for crane elements
5.
ELECTRICAL PROTECTION DEVICE, ELECTRICAL INSTALLATION AND ASSOCIATED CONTROL METHOD
This invention relates to an electrical protection device, comprising:
a mechanical switch;
a switching cell (18) comprising a plurality of switching modules (32, 42) comprising at least one semiconductor element (34, 35, 44, 45) and a voltage limiting element (39, 49),
each switching module having a limiting voltage (Ulim1, Ulim2), each switching module being configured to toggle between a conducting configuration and a blocking configuration; and
a control unit comprising a cell control module (66), configured to successively switch each switching module to the blocking configuration,
an input of the mechanical switch and an input (18a) of the switching cell, and an output of the mechanical switch and an output (18b) of the switching cell being connected to each other by a non-switchable electrical connection (19a, 19b).
H02H 3/16 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to fault current to earth, frame or mass
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
6.
ELECTRICAL PROTECTION DEVICE, ELECTRICAL INSTALLATION AND ASSOCIATED CONTROL METHOD
The present invention relates to an electrical protection device comprising:
a mechanical switch;
an interruption cell (18) comprising N switching modules (32, 42), N being greater than or equal to 2, each switching module (32, 42) comprising a voltage-limiting element (39, 49),
each voltage-limiting element having a different limiting voltage (Ulim1, Ulim2);
a control unit comprising a cell control module (66), configured to control each switching module to enter the off-configuration,
the limiting voltages, alone and/or summed together, form at least 2N−1 distinct levels, and the cell control module is configured to control the switching module(s) whose limiting voltages form a level that is the highest level less than or equal to a dielectric strength of the mechanical switch, to enter the off-configuration.
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
7.
METHOD OF CONTROLLING AN ELECTRICAL PROTECTION DEVICE, ELECTRICAL PROTECTION DEVICE AND ASSOCIATED ELECTRICAL INSTALLATION
The present invention relates to a method for controlling an electrical protection device, the device comprising an interruption cell, comprising at least one switching module, comprising a voltage limiting element having a limiting voltage,
the method comprising:
a) measuring (S102) the intensity (I) of the current;
b) detecting (S104) an electrical fault;
c) when an electrical fault is detected, the intensity is less than or equal to a minimum intensity threshold (Imin), and a tripping energy (Ed) is strictly less than an energy threshold (Eth), controlling (S114) the switching module(s) to enter an on-configuration;
d) when an electrical fault of the short-circuit type is detected, the intensity (I) has reached a maximum intensity threshold (Imax) and the tripping energy (Ed) is strictly less than the energy threshold, controlling (S116) the switching module(s) to enter an off-configuration.
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 3/20 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess voltage
8.
OPERATION MECHANISM FOR SWITCHING DEVICE AND SWITCHING DEVICE ASSEMBLY
An operation mechanism for a switching device and a switching device assembly are provided. The operation mechanism includes: a housing; an operation handle, a first driving member, a second driving member, when the switching device performs a tripping operation under an action of an internal electromagnet, in response to that the operation handle is blocked and not able to rotate, the second driving member rotates in the first direction to switch the switching device from the closed state to the open state, the protrusion move relatively in the groove, and a distance between the protrusion and the second end of the groove is configured such that the protrusion will not prevent the second driving member from rotating in the first direction to switch the switching device to the open state.
An electrical cabinet supplies at least two electrical loads (14) and includes: electromechanical units (130), each supplying an electrical load and including an analysis device, a controlled switch and a magnetic type protection device protecting the electromechanical unit and the electrical load; and electronic units (30), each supplying an electrical load, including an analysis device and a controlled switch, and being devoid of a magnetic type protection device. The electrical cabinet includes two functional zones, a first of which receives at least one electromechanical unit, and a second of which receives at least two electronic units and a common protection device (60), separate from the electronic units, protecting all the electronic units in the second functional zone and the electrical loads connected to them. In addition, the first functional zone is adapted to accommodate at least two electronic units and a common protection device, and the second functional zone is adapted to accommodate at least one electromechanical unit.
This insulation device (250) for a battery compartment (200) comprises a ribbon (260), which extends according to a longitudinal axis (A260) and which comprises a first insulation portion (261), which is electrically insulating, which is continuous along the longitudinal axis (A260), and which is configured to be interposed between a contact terminal (214) and a terminal of an electrical battery (212) in order to prevent the passage of current between the contact terminal and the terminal. The ribbon also comprises a second insulation portion (262) and a conduction portion (263), which is configured not to prevent the passage of current between the terminal and the contact terminal when the conduction portion (263) is interposed between the contact terminal and the terminal. The conduction portion is interposed, according to the longitudinal axis, between the first insulation portion (261) and the second insulation portion (262).
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/588 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
11.
CONTROL UNIT FOR AN ELECTRICAL CIRCUIT BREAKER AND ASSOCIATED ELECTRICAL CIRCUIT BREAKER
This control unit (20) comprises a casing (30) defining a front plane (P22) where a housing (401), configured to receive a communication module (400) in an assembled position, opens. Contact pads (36) are arranged at the bottom of the housing recessed from the front plane (P22), so that a clearance distance between each contact pad and the front plane is greater than a class 2 isolation distance, according to the IEC 947-1:2019 standard, under a voltage greater than 690 V. The communication module comprises an envelope (410), which delimits a cavity (411), configured to receive a wireless communication card (414) and which in an assembled position of the casing, closes the housing, so that a creepage distance between each contact pad and the front plane is greater than a class 2 isolation distance under a voltage greater than 690 V according to the IEC 947-1:2019 standard.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
Control Unit for an Electrical Circuit Breaker and Associated Electrical Circuit Breaker
Control Unit for an Electrical Circuit Breaker and Associated Electrical Circuit Breaker
This control unit (20) presents a front face (22) extending on a front plane (P22) where a connection housing (301), closable by a cover (308), opens and which is configured to receive a connection module (300) in an assembled position. Contact pads (36) are arranged at the bottom of the housing. The connection module presents a front face (311A) with an output connector (316). In the assembled position, the closed cover extends a creepage distance between the output connector and the front plane beyond a class 1 isolation distance under a voltage less than or equal to 690 V. In the absence of the connection module, the closed cover extends a clearance distance between each contact pad and the front plane (P22) beyond a class 2 isolation distance under a voltage greater than 690 V.
This control unit (20) presents a front face (22) extending on a front plane (P22) where at least one housing (201; 301; 401) configured to receive a functional module (200; 300; 400) in an assembled position opens. Contact pads (36) are arranged at the bottom of each housing recessed from the front plane, so that a clearance distance between each contact pad and the front plane is greater than a class 2 isolation distance under a voltage greater than 690 V. In the assembled position, each functional module at least partially closes the corresponding housing, so that a creepage distance between each contact pad and the front plane is greater than a class 1 isolation distance under a voltage less than or equal to 690 V.
This battery module (200) is configured to be inserted into a battery housing (201) opening onto a front face (22) of a control unit (20) of an electrical circuit breaker. The battery module comprises an envelope (210) with a proximal wall (214), which is generally orthogonal to a main axis (A214), and a peripheral wall (216), which extends from the proximal wall and presents a continuous contour around the main axis, the proximal wall and the peripheral wall together delimiting a cavity (211) for receiving a battery (212). The battery module comprises a conductive element (220B), which is partially received in the cavity and is configured to be connected to a pole of the battery. The proximal wall and the peripheral wall together form a continuous portion of the envelope that extends from the proximal wall and according to the main axis, at a minimum distance (L240) greater than or equal to 14 mm.
H01M 50/251 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/202 - Casings or frames around the primary casing of a single cell or a single battery
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/296 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by terminals of battery packs
15.
RUNTIME COMPONENT FOR HOT-STANDBY AND HIGH AVAILABILITY
A duplex configuration for application state synchronicity. A primary controller actively monitors and controls a plant/process and a secondary controller takes over in case of a failure of the primary controller. Input data is received at respective inputs of the primary controller and the secondary controller. Determining which of the received input data is associated with or should be treated as External Events permits achieving application state synchronicity between the primary controller and the secondary controller by synchronizing the execution of events associated with the same input data.
The light guide (110) comprises a body (120) having a substantially plane exit surface (112) and an entrance surface (122) configured to capture an incident light flux (F106) emitted by a light-emitting diode (106). The entrance surface (122) comprises a central face (124) astride a median plane (M120) and, on each side of the median plane (M120), a first lateral face (131) and a second lateral face (132), so that the incident light flux (F106) is divided into three distinct light fluxes. The body (120) further comprises external reflecting faces, each configured to reflect light fluxes associated with each lateral face toward the exit surface (112).
This control unit (20) comprises a casing (30) comprising a rear sub-assembly (34) and a front sub-assembly (100), which is assembled to the rear sub-assembly, and which comprises a central portion (102) with two opposing transverse edges (111, 112). The front sub-assembly (100) also comprises fastening members (121, 122) while the rear sub-assembly (34) comprises complementary members (131, 132), which are configured to cooperate with the fastening members to secure the front sub-assembly (100) to the rear sub-assembly (34), so that the two transverse edges are blocked in translation relative to the rear sub-assembly (34) according to two respective opposite and divergent directions, while each of the transverse edges is free to rotate relative to the rear sub-assembly (34) around an axis parallel to the considered transverse edge.
A method for establishing a secure connection between an industrial device and a remote device, wherein one of the industrial device and the remote device is referred as a first device, and the other one of the industrial device and the remote device is referred as a second device, the method comprising: creating a virtual private network, VPN; storing a first configuration information of the VPN for the first device; storing a second configuration information of the VPN for the second device; connecting the first device to the VPN based on the first configuration information; creating at least one first token that includes the second configuration information; transferring the second configuration information to the second device through the at least one first token; connecting the second device to the VPN based on the second configuration information transferred through the at least one first token; communicating between the first device and the second device via the VPN.
The present invention relates to a system for monitoring an electrical cabinet able to be connected between an electrical source (3) and a plurality of loads (5), the electrical cabinet (10) comprising a plurality of switching devices (20), each device comprising a movable member (22) configured to be displaced when an electrical fault is detected by the device or following a command from a user, each device being of one type from among the group consisting of: a circuit breaker type and a type other than a circuit breaker the system comprising at least one radar unit (32), configured to, when one of the movable members is displaced, emit an output signal representative of a speed of displacement of the movable member as well as a stroke of the movable member; and an electronic control module, configured to receive the output signal and determine the type of device to which the movable member associated with the output signal belongs.
Embodiments of the disclosure provide a short-circuit protection circuit for a SiC MOS transistor including: a state detection unit configured to generate an indication signal for indicating whether a short-circuit occurs; a driving unit connected to the SiC MOS transistor, to drive the SiC MOS transistor to be turned off in response to that the indication signal indicates that a short-circuit occurs; and a power supply voltage conversion unit, the power supply voltage conversion unit being connected to the state detection unit, to switch between a first on position and a second on position, the power supply voltage conversion unit being connected to the driving unit, to provide a first power supply voltage or a second power supply voltage to the driving unit, the driving unit being configured to provide a first driving voltage to the SiC MOS transistor and provide a second driving voltage to the SiC MOS transistor.
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for DC applications
H02H 1/00 - Details of emergency protective circuit arrangements
A contactor is proposed, which includes a stationary contact bracket having a main body and a plurality of terminals extending from the main body and configured to be electrically connected with wires, each of the plurality of terminals including a plate-shaped terminal body and a terminal hole penetrating through the terminal body; a junction box having a plurality of wiring holes and assembled to the stationary contact bracket, wherein each of the plurality of terminals is located in a corresponding wiring hole; wherein the surface of the junction box away from the stationary contact bracket is provided with a groove, and the groove is located between the plurality of terminals.
A method for determining motion profile data for a transport system is provided. The method comprises: determining first motion profile data based on a machine learning method, wherein the first motion profile data comprises information on a first segment of transport; and determining second motion profile data based on a movement of a further transport system, wherein the second motion profile data comprises information on a second segment of transport.
A method of broken conductor detection for a power system is disclosed. The method includes: determining whether a first condition is satisfied; based on determining that the first condition is satisfied, receiving information of a second voltage phasor associated with a second detection point and synchronized with information of a first voltage phasor; determining a linked impedance between the first detection point and the second detection point based on the information of the first current phasor, the information of the first voltage phasor and the information of the second voltage phasor; and determining that a broken conductor exists between the first detection point and the second detection point based on the linked impedance being greater than a second threshold. Furthermore, a detection device for broken conductor detection of an electric power system, a computer program product and a relay protection device are disclosed.
G01R 31/58 - Testing of lines, cables or conductors
G01R 31/08 - Locating faults in cables, transmission lines, or networks
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
24.
METHOD, DEVICE AND SYSTEM FOR DETECTING SINGLE-PHASE BROKEN CONDUCTOR
The present disclosure provides a method, a device and a system for detecting a single-phase broken conductor. The method includes: collecting a three-phase current at a measurement point; obtaining a positive sequence current and a negative sequence current from the collected three-phase current; calculating a change of the positive sequence current and a change of the negative sequence current within a first time interval; and when an amplitude of the positive sequence current decreases, an amplitude of the negative sequence current increases, a decrease of the amplitude of the positive sequence current is greater than a first predetermined value, and a ratio of a magnitude of change of the negative sequence current to a magnitude of change of the positive sequence current is greater than a second predetermined value, determining that a first set of faults occur, the first set of faults including a single-phase broken conductor.
An iron core for a contactor and a contactor. The iron core includes an iron core body, the iron core body includes a plurality of silicon steel sheets fixed together by lamination, the iron core body further includes a metal rod, the metal rod penetrates and is fixed to at least some of the plurality of silicon steel sheets, and a material of the metal rod is one or more selected from the group consisting of aluminum, aluminum alloy, magnesium, magnesium alloy, zinc and zinc alloy.
A switching device including a coil a first switch and a second switch connected in series. The switching device includes a first diode with the anode connected to a second end of the coil; a second diode with the cathode connected to a first end of the coil; a first power supply unit, the first end of which is connected to the second end of the coil and the second end of which is connected to the low potential end, and the output end of which outputs a first supply voltage; a current detection unit, which is connected between the second end of the second switch and the low potential end; a voltage detection unit, which is connected between the high potential end and the low potential end; and a control unit. A method for controlling the switching device is also disclosed.
The disclosure provides a breaking unit including a stationary contact with a contact surface facing a second direction perpendicular to the first direction; a moving contact arranged at the first side of the stationary contact in the second direction and configured to move relative to the stationary contact; a plurality of arc extinguishing grids arranged at the first side of the stationary contact and at intervals along the first direction; an arc extinguishing shield including a first section and a second section, wherein the first section and the second section are connected to partially surround the arc extinguishing grid, with gaps provided between the first section and the arc extinguishing grid, as well as between the second section and the arc extinguishing grid.
A method for manufacturing a terminal conductive pin for a contactor, a terminal conductive pin and a contactor. The method includes: providing a blank; pre-electroplating the blank at a first temperature; reflow plating the blank at a second temperature different from the first temperature to form a coating layer on a surface of the blank; and stamping the blank with the coating layer to form the terminal conductive pin including at least one bent part, the coating layer completely covers a surface of the at least one bent part.
H01R 43/16 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
H01R 13/03 - Contact members characterised by the material, e.g. plating or coating materials
METHOD FOR DETERMINING A PREDICTIVE OPERATING SCENARIO OF A CHARGING STATION SYSTEM FOR ELECTRIC VEHICLES, ASSOCIATED CONTROL METHOD AND CHARGING STATION SYSTEM
A method for determining a predictive operating scenario of a charging station system for electric vehicles including a power supply system and a plurality of charging stations powered by the power supply system and capable of charging electric vehicles. The method includes, for each charging station and for each time step of a time interval, maintaining the charging station in an active or inactive state, or changing the state of the charging station, with a probability of change of state calculated on the basis of: the time and date corresponding to the time step; a duration since the last change of state of the base station; and if the recharging station is in an active state, a time remaining before an announced end time for recharging the electric vehicle.
A power supply circuit comprises control signal circuitry comprising power control command generation means for receiving or generating a power supply command and for generating internal switching control signals according to the power supply command for controlling power supply, and a first galvanic separation stage receiving at its input the internal switching control signals and producing at its separation output output control signals. It also comprises power control circuitry with power input terminals connectable to an input power supply, a signal input connected to said separation output, a semiconductor power switch for switching on and off power drawn from said power input terminals in accordance with the output control signal from said signal input, a first transformer comprising a first primary winding connected to said semiconductor power switch and to one of said power input terminals and a first secondary winding inductively coupled with said first primary winding, and a power output circuit connected to said first secondary winding and having power output terminals for supplying controlled supply power.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02H 7/12 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers
H02M 1/14 - Arrangements for reducing ripples from DC input or output
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
H02M 7/527 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
32.
ELECTRICAL CONNECTION DEVICE, AND ASSOCIATED ELECTRICAL UNIT AND DISTRIBUTION BOARD
This invention relates to an electrical connection device between an electrically conductive member (4A) and a terminal block (6) of an electrical unit (3). The connection device comprises a nut (23A), adapted to receive a screw (21A) which, by screwing, clamps together the electrically conductive member and the terminal block, pressing them against the nut, a core (25A), which is thermally conductive and which is bonded to the nut so as to transfer heat by conduction between the nut and the core, and a support (27A) which supports the nut and the core so as both to hold the nut securely in position and to transfer heat by conduction between the core and the support. The support is made of a material that emits a release containing microparticles and/or at least one gaseous compound when that material is heated above a predetermined temperature threshold.
An electric current switching device including: a first line portion including a first electrical conductor and a fixed contact secured to the first conductor; and a second line portion including a second electrical conductor and a movable contact in rotation configured to be moved between: an open position preventing the passage of current, and a closed position allowing the passage of current. The movable contact extends, in the closed position, in a direction transverse to a direction of extension of the first electrical conductor. The fixed contact includes a first portion configured to be in contact with the movable contact and a second portion fixed to the first electrical conductor, wherein the first portion and the second portion are offset in the direction of extension of the first electrical conductor.
The invention relates to a method of controlling an industrial machine, the industrial machine comprising a control unit, e.g. a PLC, and at least one actuator and/or sensor which is controlled by the control unit, wherein
a Language Model is provided,
a Language Model Interface is provided,
a Context Information Library is provided, which stores information on the industrial machine, particularly commands executable by the industrial machine,
wherein
the Language Model Interface provides information on the industrial machine from the Context Information Library to the Language Model,
the Language Model sends commands to be executed by the industrial machine to the Language Model Interface,
the Language Model Interface translates the commands received from the Language Model into machine commands for the control unit.
G05B 19/05 - Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
35.
HEAT-SENSITIVE MATERIAL FOR AN OVERHEATING DETECTION ELEMENT, AND ASSOCIATED DETECTION ELEMENT, ELECTRICAL EQUIPMENT AND ELECTRICAL ENCLOSURE
The present heat-sensitive material is a heat-injectable and electrically insulating material, the heat-sensitive material including a polymer matrix, made of a thermoplastic polymer material or of a thermoplastic elastomer, a plasticizer, having a molar weight (M), and a filler in the form of particles, in particular carbon black. The molar weight (M) of the plasticizer is chosen according to a first predetermined temperature threshold (Ti), such that the heat-sensitive material is configured to release volatile species from the heated plasticizer and filler particles entrained by the plasticizer when the heat-sensitive material is subjected to a temperature higher than the first temperature threshold (Ti), said volatile species from the plasticizer and filler particles being detectable by a detection device.
G01K 11/06 - Measuring temperature based on physical or chemical changes not covered by group , , , or using melting, freezing, or softening
36.
METHOD FOR COMPILING A SOURCE CODE INTENDED TO PRODUCE AN EXECUTABLE PROGRAM TO BE EXECUTED ON A PROGRAMMABLE CONTROLLER, APPARATUS, AND COMPUTER PROGRAM
A method for compiling a source code intended to produce an executable program to be executed on a programmable controller, the method being implemented by an electronic device including at least one processor and a storage space. The method includes: a first compilation step in which the lines of code of the source code are transformed into a plurality of lines of code in an intermediate code and in which at least one intermediate line of code of call to a breakpoint control function is added, delivering a set of intermediate lines of code called intermediate program, and a second compilation step in which the intermediate program is compiled into a language executable by the programmable controller to produce the executable program.
A breaking module for a medium or high voltage switchgear. The breaking module includes a vacuum interrupter including a housing forming an enclosure in which a first electrical contact and a second electrical contact are disposed, the first and the second electrical contacts being configured to be moved relatively to each other between an open position and a closed position. The breaking module further includes a support frame; a first bracket fixed to the support frame and including a first radial abutment surface configured for receiving the vacuum interrupter housing; and a second bracket fixed to the first bracket, the second bracket including a second radial abutment surface configured for receiving the vacuum interrupter housing. The breaking module may be integrated in a circuit breaker.
There is provided a quick automatic transfer switch device and an operating method thereof, including: a first power source input end; a second power source input end; output end; a first switch element coupled between the first power source input end and a third switch element; a second switch element coupled between the second power source input end and the third switch element; the third switch element coupled between the first and second switch elements and the output end; a fourth switch element coupled with the first power source input end and the second power source input end and coupled to a power source transfer circuit; the power source transfer circuit coupled with the fourth switch element and the output end; and a control circuit.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
39.
ELECTRICAL PROTECTION DEVICE AND ASSOCIATED MONITORING METHOD
An electrical protection device (10) that includes a mechanical switch (12), a static switch (14), an acquisition module (20) including a current intensity sensor (22) configured so as to measure the intensity of the current and to determine a derivative with respect to time (time derivative) of the current intensity; and an electronic control unit (30), configured so as to determine a first value of an estimated peak current intensity, and to command the switching of the mechanical switch (12) to the open configuration when the first value of the estimated peak current intensity is greater than or equal to a peak current intensity threshold value. The electronic control unit (30) is configured so as to command the switching of the static switch (14) to the isolation configuration when an isolation time period has elapsed; or to determine a second value of the estimated peak current intensity, and command the switching of the static switch (14) to the isolation configuration when the second value of the estimated peak current intensity is greater than or equal to the peak current intensity threshold value.
H02H 3/033 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details with several disconnections in a preferential order
H02H 3/093 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current with timing means
H02H 3/44 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to the rate of change of electrical quantities
A wiring structure includes: a housing; a wiring frame, movably arranged in the housing in an up-and-down direction; a wiring board, extending into the wiring frame from a first side perpendicular to the up-and-down direction, the wiring board being fixed relative to the housing; a bolt, penetrating through a top plate of the wiring frame and configured to drive the wiring frame to move upward through a downward rotary movement; an external wire, extending into the wiring frame from a second side opposite to the first side; and a flexible pressing piece, arranged between a bottom plate of the wiring frame and the wiring board, and abutting against the external wire and subjected to a downward pressure of the external wire upon the wiring frame moving upward, exerting an upward biasing force on the external wire and pressing the external wire between the wiring board and the flexible pressing piece.
H01R 13/631 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure for engagement only
The disclosure relates to a contactor, which includes a coil unit including a coil and a first switch; a first power supply unit including a second switch and a voltage stabilizing diode, wherein the second switch is connected in parallel with the voltage stabilizing diode, and the first power supply unit is connected in series with the coil unit; a current detection unit, which is configured to detect a current flowing through the coil; a voltage detection unit, which is configured to detect a first supply voltage at the output; and the control unit, which is configured to control the switching on and off of the first switch according to the current detection signal, and to control the switching on and off of the second switch according to the voltage detection signal, wherein the first supply voltage is less than an input voltage.
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
A method, implemented by a computer, for evaluating an electronic component on an electronic board. The method includes: measuring an evolution over time of a physical value of the component with a test machine, to obtain a first time series; defining a second time series corresponding to an evolution over time of the physical value of the component without defects; and calculating an error expressing the differences between both time series.
An automation system including a first controller, a second controller, at least an automation device, and a fieldbus. The automation system is configured to determine motion data of a plurality of axes associated with the at least an automation device. During a given cycle of the fieldbus: the first controller is configured to determine motion data of a first axis of the plurality of axes; to transmit the motion data of the first axis to the second controller; and to transmit a trigger event enabling the second controller to start determining motion data of a second axis of the plurality of axes; and upon receiving the trigger event, the second controller is configured to determine the motion data of the second axis based on the motion data of the first axis.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
A method for operating a hoisting appliance spanning a hoisting area, the hoisting appliance including N≥2 movable parts for the transport of a load from a starting point to a destination point, the N movable parts being configured for a linear movement along any of three X, Y and Z orthogonal axes or for an angular movement. The method includes choosing speed parameters for displacement of the N movable parts for transporting the load from the starting point to the destination point, by, in a control device: determining a set of speed parameters for displacement of the N movable parts belonging to an operating zone for which a predictive maintenance function of the hosting appliance yields results which are above a determined accuracy threshold; and selecting, among the set, speed parameters which minimize a travel time of the load from the starting point to the destination point.
B66C 13/48 - Automatic control of crane drives for producing a single or repeated working cycleProgramme control
B66C 17/00 - Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
46.
IEC 61499-PART-COMPATIBLE COMPUTING APPARATUS AND OPERATING METHOD THEREFOR
An IEC 61499-part-compatible computing apparatus has an arithmetic logic unit, a RAM, a ROM, an operating system memory, one or more interfaces for the input and/or output of data and signals and a bus connecting one or more or all of the above and/or the following components. A program memory is adapted to store a program that has one or more functional blocks, wherein a functional block has one or more programmed functions and can have a programmed execution control chart. An execution engine is adapted to create a first execution environment data set for configuring an execution environment for executing a functional block of a program. Said execution engine is also adapted to create a second execution environment data set while or before a functional block or a function is executed in an execution environment that is configured by a first execution environment data set previously created by the execution engine.
G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
A bus bar module for an electric device including at least two contact elements and an insulating element. Each contact element includes a first terminal, a second terminal, and a third terminal electroconductive connected to each other. The first terminal is configured for connecting the bus bar module to a third bus bar module and to receive a second terminal of a contact element of the third bus bar module. The second terminal is configured for connecting the bus bar module to a second bus bar module and to be insertable into a first terminal of a contact element of the second bus bar module. The third terminal is configured for connecting the bus bar module to the electric device. The insulating element includes at least two cavities, wherein each cavity is designed to accommodate one of the contact elements. The bus bar module is configured to be plugged to the electric device.
The invention relates to a field bus system for execution of at least one application, in particular for industrial automation, the field bus system comprising: a first device, in particular a first sensing device, configured to provide and transmit first device data, at least a second device, in particular a second sensing device, configured to provide and transmit second device data, a controller for computation of output data from the device data, at least a first target equipment controllable by the output data, a field bus, in particular a Sercos bus, and a scheduling unit for scheduling the execution of the application, wherein the devices, the controller and the first target equipment are connected via the field bus for communication with the scheduling unit, and wherein the scheduling unit is configured to determine impact parameters which impact an application response time of the bus system, and to schedule the execution considering the impact parameters.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
A medium-or high-voltage vacuum interrupter, including: an insulator forming a receiving enclosure, the insulator being formed of two coaxial elements; two electrical contacts arranged inside the insulator and configured to be moved relative to one another between a closed position and an open position; and a screen radially surrounding the electrical contacts and configured to collect the metal particles emitted when an electric arc passes between the electrical contacts so as to protect the insulator from the metal particles emitted, wherein the screen includes a fixing flange clamped between the two elements of the insulator. The vacuum interrupter further includes a seal made of a semiconductor material surrounding the insulator, the seal being in electrical contact with the screen.
A modular electrical protection device including at least a power module and a control module. In order for the device to be particularly effective and versatile, while being able to be modified easily, the power module includes a mechanical disconnector, a static switch and a local control circuit, for commanding the static switch into an off state, and the control module includes a tripping device, for mechanically tripping switching of the mechanical disconnector, and a main control circuit, for controlling the tripping device and communicating with the local control circuit.
The present demodulation device acquires a digital image including a zone illuminated by a light signal emitted by a source. Same is configured to:
calculate (24) and store a mean value per column of said digital image, in association with a column index, arranged between a first and a second edge index of the image;
determine (26) a maximum value of said mean values, and calculate a threshold from said maximum value,
determine (28) of a first column index corresponding to the first mean value greater than or equal to said threshold starting from the first edge index, and of a second column index corresponding to the first mean value greater than or equal to said threshold starting from the second edge index;
demodulate (30, 32) binary data from the mean values between the first column index and the second column index.
Method and device for calibrating the demodulation of data modulated by modulating the amplitude of a light signal emitted by a light source The present invention relates to a method and a device for calibrating the demodulation of data modulated by amplitude modulation of a light signal emitted by a light source. The device includes a device (20) for capturing digital images having associated sensitivity and time of exposure parameters, and an electronic computing device (23) implementing modules of:
automatic adjustment (24) of sensitivity and time of exposure parameters,
acquisition (26) of a digital image by said digital image capture device,
extraction (28) of a series of samples from the acquired digital image, each extracted sample taking one of two predetermined values,
calculation (30) of a plurality of sampling factors from said series of samples, each sampling factor being associated with a predetermined pattern and indicative of a number of samples of the same value representative of said pattern, and storage of the calculated sampling factors.
A power source automatic transfer device is provided, including: a first and second power source input end; an auxiliary power supply unit whose electric energy is acquired from a first and second power source; a device output end connected to a load; and a power source switchover unit including a control unit and a power source switchover switch, the power source switchover switch including a first and second power source switchover switch, wherein a first input end of the first and second power source switchover switch are respectively connected to the first power source input end and the second power source input end, a second input end of the first and second power source switchover switch are both connected to an output end of the auxiliary power supply unit, and an output end of the first and second power source switchover switch are connected with the device output end.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
54.
SYSTEM MONITORING METHOD AND APPARATUS IN A MULTICARRIER SYSTEM, MULTICARRIER SYSTEM
A system monitoring method is used in a multicarrier system comprising a rail (2) along which plural individually drivable electric drive elements (5) are disposed, and at least one carrier (1) drivable by said drive elements (5) along said rail (2) preferably in any of the two rail directions. The method comprises simultaneously driving plural of said drive elements (5) such that their driving forces exerted on the carrier (1) counteract each other, while driving said drive elements (5), observing an electric quantity, preferably a voltage or a current, at one or more or all of said drive elements (5) with one or more current sensors (23), and evaluating the observed electric quantities and drawing a conclusion on drive element operation and/or sensor operation based on said evaluation.
B65G 43/02 - Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load- carriers, e.g. for interrupting the drive in the event of overheating
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
A sampling synchronization method for a differential protection device is disclosed, the differential protection device is configured for being arranged at one end of a data channel as an adjusting end device, and the other end of the data channel is arranged with another differential protection device as a reference end device. The sampling synchronization method starts a sampling synchronization operation once in each adjusting end sampling cycle. The sampling synchronization operation includes: sending a first message to the reference end device; receiving a second message sent by the reference end device; determining a sampling moment deviation between the adjusting end device and the reference end device; adjusting a first adjusting end sampling moment after completion of the sampling synchronization operation based on the sampling moment deviation. Furthermore, a differential protection device and a system for differential protection are disclosed.
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 7/26 - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred
56.
DUAL POWER SUPPLY TRANSFER SWITCH BASED ON SOLID-STATE SWITCH
A dual power supply transfer switch (SSATS) for switching between a first power supply (S1) and a second power supply (S2) to supply power to a load is provided, includes: a solid-state switch (SS); a mechanical switch (CTR); and a compensation power module (AUX). In the case that the S1 fails in supplying power to the load, the AUX uses the S2 to supply power to the load, and the output current of the S1 is reduced. After satisfying the turn off condition for the SS, the SS turns off the S1, the CTR turns off the S1 and turns on the S2. After the S2 is adjusted to synchronize with the phase of the output current of the S1, the SS turns on the S2 and the AUX stops outputting current. The SSATS provides advantages such as fast transfer, zero interruption, and short voltage sag time.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
57.
DEVICE FOR PROTECTION AGAINST OVERVOLTAGES, AS WELL AS ELECTRICAL INSTALLATION COMPRISING SUCH A PROTECTION DEVICE
A protection device against overvoltages includes a housing and an electrical module arranged in an internal volume of the housing. The electrical module includes a phase terminal, adjacent to one end of the housing, a location, adjacent to an opposite end of the housing, and a fuse and a varistor, connected in series to the phase terminal and distributed along a length axis so that the fuse is arranged between the phase terminal and the varistor and the varistor is arranged between the fuse and the location. The electrical module further includes a gas spark gap and a ground terminal, which are connected in series with the varistor and arranged in the location.
H02H 3/20 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess voltage
A contactor and a control method thereof are disclosed, the contactor including: an electromagnetic component; a static contact; a movable component including a connected movable contact, a first elastic part configured to generate an elastic force supporting the movable component and a driving part configured to produce an electromagnetic driving force through a magnetic field generated by the electromagnetic component; a sensor; and a controller configured to: in response to the sensor detecting that the driving part is displaced based on the electric repulsion force generated by the current flowing through the movable contact and the static contact, control the electromagnetic component to adjust the generated magnetic field to reduce the electromagnetic driving force produced by the driving part based on the generated magnetic field in the opposite direction to the electric repulsion force, so that the movable contact is not closed with the static contact again.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H 47/22 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
An actuating device for a switching apparatus of a switch panel of electrical energy technology, in particular of medium-voltage technology, comprises an operable drive unit, in particular a manually operable drive unit, a pivot unit that can be mechanically coupled to the switching apparatus, and a pulling cable via which the pivot unit is mechanically connected to the drive unit.
A method for track calibration of a linear motor system comprises
controlling linear motors to move a transport element along a track in a calibration run,
determining position jumps at segment boundaries of each of the linear motors based on position feedback signals from position sensors of the respective linear motor and its adjacent linear motors in the calibration run,
generating an offset value and/or a gain value for each of the linear motors from the determined position jumps,
storing the offset value and/or the gain value for each linear motor in the storage unit.
H02P 6/16 - Circuit arrangements for detecting position
B65G 54/02 - Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
H02K 41/03 - Synchronous motorsMotors moving step by stepReluctance motors
H02P 6/00 - Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor positionElectronic commutators therefor
H02P 25/064 - Linear motors of the synchronous type
62.
METHOD FOR PROTECTING A MICROGRID FROM A VOLTAGE DROP OR SAG OCCURRING IN A MAIN GRID CONNECTED TO SAID MICROGRID
Centre National de la Recherche Scientifique (France)
Inventor
Kamajaya, Samuel
Wild, Jean
Caire, Raphael
Bacha, Seddik
Buire, Jerome
Abstract
The application relates to a method for protecting a microgrid from a voltage drop or sag occurring in a main grid connected to said microgrid, the method comprising the following steps:
a. supplying (105) power to the microgrid through the main grid;
b. ascertaining that the voltage drop or sag is occurring in the main grid by executing the following steps:
i. measuring (110) an instantaneous output voltage;
ii. comparing (130) the measured instantaneous output voltage with a reference instantaneous output voltage;
iii. Incrementing (140) a counter when the measured instantaneous output voltage differs from the reference instantaneous output voltage by more than a voltage threshold; and
iv. ascertaining (150) that the voltage drop or sag is occurring in the main grid when the counter holds a value that exceeds a counter threshold; and
c. disconnecting the microgrid from the main grid when the voltage drop or sag occurring in the main grid has been ascertained.
Centre National de la Recherche Scientifique (France)
Inventor
Kamajaya, Samuel
Wild, Jean
Caire, Raphael
Bacha, Seddik
Buire, Jerome
Abstract
The application relates to a method for controlling a microgrid (10) comprising the steps of:
maintaining a switching device (60) connecting two busbars (30, 40) of the microgrid (10) and a circuit breaker (20) connecting the microgrid (10) to a utility grid (100) closed, the microgrid (10) being operated in a grid connected mode;
measuring (202) a voltage present in the microgrid (10);
determining (205) if the measured voltage corresponds to a loss of voltage or a fault in the microgrid (10); and
if a the loss of voltage or fault is detected in the microgrid (10), opening (210) the switching device (60), the critical loads being supplied by the battery energy storage system (50) and the circuit breaker (20) remaining closed during (215) at least a fault ride through period.
There is provided a solid-state switch device connected between a single-phase power supply source and a load, including: a phase bridge arm circuit, including a first and a second power semiconductor switches, which each includes a first, a second and a control ends and each includes a body diode, wherein the second ends of the first and the second power semiconductor switches are connected in series in phase of a single-phase power supply source; a phase voltage sampling circuit, configured to acquire sampled values of phase voltage of the phase bridge arm circuit; and a control circuit, configured to determine direction of the phase voltage according to the sampled values, turn on one of the power semiconductor switches whose body diode direction is the same as the direction of the phase voltage, and turn on the other within a half cycle after the immediate zero-crossing of the phase voltage.
H03K 17/0812 - Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
H03K 17/687 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors
The present disclosure discloses a connection sleeve including a main body at least partially formed in a column shape; a conductive rod extending through the main body in an axial direction; a first electrical interface located at one end of the conductive rod; a second electrical interface located at other end of the conductive rod; a first shield piece and a second shield piece which are independent of each other, are formed in ring shapes and are respectively arranged around a part of the conductive rod; a first output interface connected to the first shield piece and configured to output a first voltage signal; and a second output interface connected to the second shield piece and configured to output a second voltage signal. The connection sleeve according to the present disclosure can output two groups of independent different voltage signals through two independent shield pieces.
A system architecture of a fast transfer switch is provided, which includes a main power loop configured to be connected to at least two power supplies, transfer between the at least two power supplies, and output an AC signal; a first parallel bypass module configured to output an AC signal, the first parallel bypass module including an independent power supply; the main controller is configured to, in response to detecting the abnormality of the first power supply of the at least two power supplies, adjust the AC signal output by the first parallel bypass module during the transfer of the main power loop between the at least two power supplies, so as to transfer from the first power supply outputting the AC signal via the main power loop to the second power supply of the at least two power supplies outputting the AC signal via the main power loop.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
67.
PUSH-BUTTON AND ELECTRICAL SYSTEM COMPRISING THE SAME
A push-button (100) includes a plunger sub-assembly (10) that comprises a translation-to-rotation converting part (5), a latch part (6) and a latch spring element (56). The latch spring element connects the latch part to the translation-to-rotation converting part so that rotation of the translation-to-rotation converting part caused by a user pressing the push-button drives the latch part into a position where said latch part abuts a relief portion in the internal surface of a casing (30) of the push-button. Such arrangement of the plunger sub-assembly avoids that numerous repeated locking operations damage to the latch part and/or relief portion. Lifetime of the push-button is thus increased.
H01H 13/62 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon manual release of a latch
A solid-state motor starter which includes three electronic switching modules is disclosed. The solid-state motor starter includes: an energy absorbing circuit, which includes a transient diode array including at least one transient diode branch, each branch includes at least one transient diode connected in series in the same direction, and the branches are connected in parallel in the same direction, and the transient diode array has a cathode and an anode connection end; a first and a second three-phase bridge rectifier circuit, which are composed of rectifier diodes. The input or output of each electronic switching module is connected to the midpoint of one of the bridge arms of the first or second three-phase bridge rectifier circuit. The positive poles and the negative poles of the first and second three-phase bridge rectifier circuit are connected to the cathode and anode connection end of the transient diode array.
H02P 29/024 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
H02P 1/02 - Arrangements for starting electric motors or dynamo-electric converters Details
H02P 1/26 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
70.
MOVABLE CONTACT DRIVING DEVICE AND SWITCHING APPARATUS
The present disclosure relates to a movable contact driving device and a switching apparatus. The movable contact driving device comprises: a contact carrier (10), an electromagnetic actuator (20) and a driving member (30). The driving member (30) is configured to, when the push rod (26) moves to a first predetermined position along the longitudinal axis, rotate relative to the push rod (26) in a first direction such that the driving member (30) engages a fixed portion of the electromagnetic actuator (20) to lock the contact carrier (10) in a position corresponding to a closed position of the movable contact (40); and, when the push rod (26) moves to a second predetermined position along the longitudinal axis, rotate relative to the push rod (26) in a second direction opposite the first direction such that the driving member (30) is unlocked from the fixed portion of the electromagnetic actuator (20) to allow the contact carrier (10) to move to a position corresponding to an open position of the movable contact (40).
An apparatus linked to a generic database storing generic data relating to generic objects and to a custom database storing custom data relating to custom objects, wherein the generic data are accessible from a client application and the custom data are not accessible from the client application The apparatus, includes: a collecting module configured to access a generic node comprising a generic attribute and an associated generic value included in the generic data relating to a generic object stored in the generic database and to access a custom node comprising a custom attribute and an associated custom value included in the custom data relating to a custom object stored in the custom database; a binding module configured to generate a triplet comprising a generic reference of the generic object and a custom reference of the custom object and a relationship between the generic object and the custom object, when a relationship is determined between the generic object and the custom object, the binding module configured to store the triplet in a persistent memory of the virtual database; and an access module configured to read the triplet in the virtual database and to give access to the client application to at least part of the generic data and to at least part of the custom data by means of the triplet.
A current breaking device for interrupting a current flow in a high voltage direct current path. The device includes: a main branch inserted in the direct current path, including a first normally closed mechanical circuit breaker; a first auxiliary branch connected in parallel to the first mechanical circuit breaker, and including a series connection of a capacitor bank, an inductor and a second normally open mechanical circuit breaker; a surge arrester connected in parallel to the capacitor bank; and a second auxiliary branch connecting a first intermediate terminal included between the capacitor bank and the inductor to an earthed connection, and including a resistor. The second mechanical circuit breaker is configured for closing the first auxiliary branch in response to the appearance of a fault current in the main branch, so as to produce a current zero crossing in the main branch.
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for DC applications
73.
CURRENT BREAKING APPARATUS FOR HIGH VOLTAGE DIRECT CURRENT PATH
A current breaking apparatus including: a first current breaking device for interrupting a current flow in a first high voltage direct current path. The first current breaking device, including: a main branch inserted in the first direct current path, comprising including a normally closed mechanical circuit breaker; an auxiliary branch connected in parallel to the mechanical circuit breaker, and including a series connection of a capacitor bank, an inductor and a second normally opened mechanical circuit breaker; a surge arrester connected in parallel to the capacitor bank; and a second auxiliary branch connecting an intermediate terminal included between the capacitor bank and the inductor to an earthed connection and including a resistor. The second mechanical circuit breaker is configured for closing the auxiliary branch in response to the appearance of a fault current in the main branch, so as to produce a current zero crossing in the main branch.
H01H 33/59 - Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
H01H 9/54 - Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for DC applications
74.
ELECTRICAL PROTECTION DEVICE CONFIGURED TO AUTOMATICALLY DETERMINE A CAUSE OF AN ELECTRICAL CIRCUIT OPENING AND ASSOCIATED METHOD
An electrical protection device, including a movable contact, connected to an electrical circuit, a switching handle, and an electronic control unit. The device further includes an electrical link element, connecting the movable contact and the electronic control unit, a switch, a mechanical link element, connected to the switching handle. The electronic control unit is configured to measure the first voltage and the second voltage, compare the first voltage and the second voltage to determine the cause of opening of the electrical circuit among manual opening and fault opening, send a first signal if the cause of opening is manual opening and send a second and/or third signal if the cause of opening is fault opening.
H01H 83/22 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
H01H 73/48 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having both electrothermal and electromagnetic automatic release
75.
METHOD AND APPARATUS FOR DIFFERENTIAL PROTECTION OF PROTECTION SECTION, RELAY PROTECTION DEVICE
A differential protection method for a protection section of a power system is disclosed. The differential protection method includes: obtaining a first secondary current value of a first current transformer and a second secondary current value of a second current transformer; determining a differential current value and a braking current value; opening a judgment window in response to an occurrence of a fault in the power system, in response to the differential current value and the braking current value satisfying an in-section fault condition during the judgment window, judging the fault as an in-section fault, otherwise judging the fault as a fault to be determined. Furthermore, an apparatus for differential protection of a protection section of a power system and a relay protection device are disclosed.
H02H 7/045 - Differential protection of transformers
H02H 7/26 - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred
The present invention relates to a method for synchronously controlling a first motor and a second motor, wherein the first motor is controlled by a first drive unit, the second motor is controlled by a second drive unit, wherein the first motor and the second motor work together to drive the same axis and/or to move the same load, wherein the drive units each perform a closed loop control for driving the respective motor, wherein the closed loop control of each of the drive units is based on the same control loop data set.
H02P 5/74 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more AC dynamo-electric motors
H02K 11/33 - Drive circuits, e.g. power electronics
H02P 5/68 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more DC dynamo-electric motors
A motion mechanism, which is installed on a base and capable of translating in a movement direction. The motion mechanism includes: a moving iron core bracket, provided with a moving iron core and including a first connection part; a moving contact bracket, provided with a moving contact and including a second connection part; a guide support mechanism, through which the motion mechanism is supported on the base to enable the motion mechanism to translate in the movement direction; the first connection part and the second connection part are connected so that the moving iron core bracket and the moving contact bracket can be pivotally connected around a pivot axis perpendicular to the movement direction and a gravity direction. A contactor including the abovementioned motion mechanism also is disclosed.
The present disclosure relates to an arc extinguishing system for contactor and a contactor. The arc extinguishing system includes: an arc extinguishing chamber, accommodating a plurality of arc extinguishing grids, and an extension direction of each of the plurality of arc extinguishing grids being perpendicular to an extension direction of the movable contact; an arc striking piece, electrically connected to the stationary contact and configured to extend toward the arc extinguishing chamber, so that the arc generated upon the movable contact and the stationary contact being separated moves along the arc striking piece toward the arc extinguishing chamber.
H01H 33/72 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
A contactor, which includes: a housing; a plurality of stationary contact brackets, fixed to the housing, wherein each of the plurality of stationary contact brackets includes a bracket body accommodated in the housing and a wiring terminal extending out of the housing and configured to be connected with an electric wire, the wiring terminal includes a sheet-shaped terminal body and a terminal hole penetrating through a thickness of the terminal body; and an isolation sheet, arranged between adjacent wiring terminals and separates the adjacent wiring terminals. The design of the contactor according to the present disclosure can meet at least four different connection modes of different customers at the same time, thus increasing the application compatibility of the contactor and reducing the design cost and management cost.
H01R 4/18 - Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one anotherMeans for effecting or maintaining such contactElectrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
H01R 4/34 - Conductive members located under head of screw
H02G 3/08 - Distribution boxesConnection or junction boxes
80.
LATCHING MODULE FOR ELECTRICAL DEVICE AND CONTACTOR COMPRISING THE LATCHING MODULE
A latching module for an electrical device includes: a swing arm movable between an unlocked position and a locked position; a tripper movable between a holding position and a tripped position; a holder, its first portion acts on the tripper and its second portion acts on the swing arm. When the swing arm is in the locked position and the tripper is in the holding position, the holder bears a force from the swing arm to make the holder abut against the tripper to apply a force on the tripper, and the tripper is secured in the holding position, and the holder holds the swing arm in the locked position. When the tripper is in the tripped position, the holder releases the hold on the swing arm and the swing arm moves from the locked position towards the unlocked position. A contactor including the latching module also is disclosed.
A process for detecting degradation of a switching device including: a mobile electrical contact; a control mechanism including: a driving element of the mobile contact, an elastic member linked to the driving element, and an unlocking member configured to release the elastic member so as to move the contact so as to open an electrical circuit; and an actuator configured to displace the unlocking member. The process includes: (i) commanding the actuator, (ii) determining the duration of time between a first instant corresponding to a predetermined position of the unlocking member and a second instant corresponding to a predetermined position of the driving member, (v) carrying out a set of successive commands of the actuator, so as to obtain a set of values of the duration of time, and (vi) determining a degradation of the unlocking member of the switching device from the evolution of the values of the set of values.
A process for detecting degradation of a switching device including an electromagnetic actuator configured to unlock a control mechanism including an elastic member. The process includes: (i) commanding the electromagnetic actuator, (ii) measuring an electrical current circulating in the electromagnetic actuator, (iii) determining from the measured electrical current a reaction time of the electromagnetic actuator, (iv) determining from the measured electrical current a quantity representative of the current circulating in the electromagnetic actuator, (v) determining a parameter in the form of a polynomial of the determined reaction time and of the determined quantity representative of the current circulating in the electromagnetic actuator, (vi) iterating the steps (i) to (v) for a set of successive commands of the electromagnetic actuator so as to obtain a set of values of the predetermined parameter, (vii) determining a degradation of the electromagnetic actuator from the evolution of the values of the set in the course of the successive commands of the electromagnetic actuator.
An apparatus acting as an entry point to a cloud provider network connected to a generic database able to store generic messages and to a custom database able to store custom messages. The apparatus includes: a router configured to receive generic messages from a generic data source and custom messages from a custom data source, each of the generic message and the custom message containing a message-type and a payload; a cache module storing at least an identifier of the generic schema associated with an identifier of the generic database and an identifier of the custom schema associated with an identifier of the custom database; and a custom domain module able to deserialize the payload of a custom message according to the custom schema and to transfer the custom message in an expected format to the custom database using custom transformation rules, wherein the custom transformation rules are defined after the deployment of the generic domain module and the generic database. Upon reception of a custom message, the router is configured to read the message-type to extract an identifier of a custom schema, to interrogate the cache module with the identifier of the custom schema to determine the identifier of the custom database associated with the extracted identifier of the custom schema and to transfer the custom message to the custom domain module. The cache module is updated with an identifier of the custom schema associated with an identifier of the custom database after the deployment of the custom domain module.
A method for optimizing a model used in real time by an antisway function for the transport of a load by a hoisting appliance, including a gantry able to move along a first axis and a trolley able to move along a second axis, wherein, when transported, the load presents a first sway along the first axis and a second sway along the second axis. The model represents the theorical sway of the load over time, including a first curve representing a first sway, a second curve representing a second sway, and a third curve representing a third sway being a vector of the first sway and the second sway. A control device determines a first remarkable point for the first curve or the second curve depending on the torque of the gantry or the trolley when one of the gantry and the trolley is accelerating, determines a second remarkable point for the first curve or the second curve depending on the torque of the gantry or the trolley when one of the gantry and the trolley is stopped, determines a first remarkable point or the second remarkable point for the third curve depending on a load measurement or the torque of the hoist mechanism when the gantry and the trolley are moving at a steady speed, and synchronizes the model with at least one of the remarkable points.
B66C 13/06 - Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
B66C 17/00 - Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
85.
METHOD FOR GENERATING RANDOM NUMBER AND MICROCONTROLLER UNIT USING THE METHOD
A method of generating a random number for a microcontroller unit, the microcontroller unit using the method, an apparatus including the microcontroller unit are provided. The method includes: reading, from a flash memory of the microcontroller unit, a random number generated the previous time the microcontroller unit was powered on, in response to the microcontroller unit being powered on; acquiring, random information of the microcontroller unit and using the random information as a seed of a random number generation algorithm to generate the random number in a case that the reading fails, and using, the read random number as the seed of the random number generation algorithm to generate the random number in case that the reading succeeds; and writing, the generated random number to the flash memory of the microcontroller unit.
G06F 7/58 - Random or pseudo-random number generators
G06F 12/08 - Addressing or allocationRelocation in hierarchically structured memory systems, e.g. virtual memory systems
86.
METHOD FOR SELECTING SAMPLES IN A DATASET TO BE LABELLED IN A CLASSIFICATION TASK, WHEREIN THE DATASET COMPRISES N SAMPLES BELONGING TO K CLASSES AND A METHOD FOR CLASSIFYING A DATASET
A method for selecting samples in a dataset to be labelled in a classification task, wherein the dataset includes N samples belonging to K classes. The method includes: extracting features of the N samples using a feature extractor; statistically inferring a probability distribution of the extracted features in the K classes, to obtain the density of each sample with respect to the K classes distributions; and selecting samples to be labelled using the density.
G06F 16/28 - Databases characterised by their database models, e.g. relational or object models
G06F 18/2415 - Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on parametric or probabilistic models, e.g. based on likelihood ratio or false acceptance rate versus a false rejection rate
A control device managing outputs of a set of Input/Output modules and implementing a Modbus server communicating according to a Modbus TCP/IP communication protocol with Modbus clients. The control device includes: a network interface configured to receive requests for commanding one or more outputs from the Modbus clients; a storage unit configured to store, for each request received from a Modbus client, an IP address of the Modbus client and the number of requests received from the Modbus client; and a processing unit configured to determine a Modbus client as Modbus master for the one or more outputs when the frequency of requests commanding the one or more outputs, received from the Modbus client, is above a threshold
G06F 13/42 - Bus transfer protocol, e.g. handshakeSynchronisation
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
H04L 69/16 - Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
A mechanism for controlling a current switching device. The mechanism includes: an arming lever; an arming disc secured to an arming shaft, movable between a first position and a second position; and a loading pawl which can pivot between a position in which the arming lever drives the arming disc via the loading pawl and a position in which the arming lever is free, rotation of the arming lever causing the arming disc to go from the first position to the second position whilst constraining an elastic member. The mechanism further includes: an end stop for retaining the arming disc; a closing lever configured to trigger closing of the current switching device; and an elastic member configured to move the loading pawl from the position in which the arming lever drives the arming disc to the position in which the arming lever is free when the arming disc is retained by the end stop whilst driving the closing lever so as to close the current switching device.
A method for determining a quantity of a gas contained in a tank of a gas insulated switchgear. The method includes during a calibration phase: (i) acquiring a plurality of successive sets of calibration samples comprising a gas pressure, a gas temperature and an ambient temperature, (ii) for each set of calibration samples, determining a corrected gas temperature from a model and (iii) determining a gas quantity contained in the tank from a gas state equation and from the determined corrected gas temperature. The method further includes during a measurement phase: (v) determining a corrected gas temperature from the model and from an acquired gas temperature, gas pressure and ambient temperature, and (vi) determining the quantity from the gas state equation and from the determined corrected gas temperature.
G01F 22/02 - Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure
G01M 3/32 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
H02B 13/065 - Means for detecting or reacting to mechanical or electrical defects
90.
Method and system for determining a tripping range of an electrical circuit switching device
A method and system for determining a tripping range of an electrical circuit switching device designed to supply power to an electrical installation. The system includes an electronic calculation module which is configured to receive data from at least one vibration sensor integrated into said switching device and which is configured to select, based on spectrograms calculated from temporal vibration signals acquired, a predetermined subset of operational characteristics; apply a prediction model parameterized by supervised machine learning to the values of the operational characteristics so as to obtain an estimated value of cut-off current, and determine, as a function of the estimated value of cut-off current, a tripping range of the switching device amongst: normal tripping, overload tripping, and tripping following a short circuit.
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
91.
SOLID-STATE CIRCUIT BREAKER AND CONTROL METHOD THEREFOR
The present disclosure relates to a solid-state circuit breaker and a control method therefor. The solid-state circuit breaker comprises a solid-state switch, a first measurement unit, a second measurement unit, a control unit, and a driving unit. The first measurement unit is used to measure the current and/or voltage at a first terminal of the solid-state switch. The second measurement unit is used to measure the current and/or voltage at a second terminal of the solid-state switch. The control unit is used to: when the solid-state switch is turned off, determine whether the first terminal is charged; determine whether the second terminal is charged; control the driving unit to input a pulse voltage to a control terminal of the solid-state switch; and after the pulse duration has ended, determine the type of load.
H03K 17/56 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices
G01R 19/02 - Measuring effective values, i.e. root-mean-square values
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
92.
TRANSPORT SYSTEM AND METHOD FOR OPERATING A TRANSPORT SYSTEM
A transport system, in particular a multi-carrier system, comprises a plurality of linear motors that are arranged in a row and that define a first path and a second path that differs at least partly from the first path; at least one transport unit that has a transport element, which can be moved by the linear motors in a direction of movement along the first path, and a pick-up element for picking up a transport item to be transported, which pick-up element is configured to be moved along with the transport element in the direction of movement and to be moved relative to the transport element in order to set a distance between the transport element and the pick-up element in a transverse direction that extends transversely to the direction of movement; and a distance unit for setting the distance in the transverse direction between the transport element and the pick-up element during the movement of the transport element so that the pick-up element is moved along and/or in accordance with the second path.
A method for training at least one model able to predict a power consumption or production of at least one electric equipment, also called target. The method includes: (a) obtaining time series data representing the evolution of the power consumption or production of the target over a first period of time, (b) comparing the target time series data to known time series data representing the evolution, over a second period of time, of the power consumption or production of known electric equipments, the second period of time being greater than the first period of time, to determine the k known time series data that are the most similar to the target time series data, (c) training of a first prediction model or backbone for each of the k known electric equipments, the backbone being able to predict the evolution over time of the consumption or the production of the corresponding known electric equipment, the backbone being trained on the corresponding time series data over the second period of time, and (d) training at least one second prediction model, called target model, by fine tuning at least one of the first trained prediction model on the time series data of the target over the first period of time.
G06N 3/0442 - Recurrent networks, e.g. Hopfield networks characterised by memory or gating, e.g. long short-term memory [LSTM] or gated recurrent units [GRU]
An industrial system for controlling backplane communication, including a cluster manager linked to a set of communication devices including at least one Input/Output module via a passive optical network. The passive optical network includes a passive optical splitter for transmitting data from the cluster manager to the communication devices, and a passive optical coupler for transmitting data from the communication devices to the cluster manager. The communication devices are synchronized in time with the cluster manager and configured to send data via the passive optical network at respective scheduled time windows.
A switching device for a medium-voltage electrical circuit including: a frame; a vacuum circuit breaker including a fixed electrode relative to the frame and a mobile electrode; an elastic member; and an actuating lever connected to the mobile electrode via the elastic member, The actuating lever is movable between an open position in which the electrodes are separated by an open distance, and a closed position in which the electrodes are in contact. A passage of the actuating lever from the open position to the closed position defines a displacement stroke, greater than the open distance such that the elastic member is compressed when the actuating lever passes from the first position to the second position. The switching device includes at least one removable spacer arranged between the frame and the fixed electrode.
An industrial system for controlling backplane communication, including: a microcontroller; a first time module belonging to a first time domain and generating a first timestamp at an event; and a second time module belonging to a second time domain and able to communicate with at least one Input/Output, I/O, module, generating a second timestamp at the event. The microcontroller, the first time module and the second time module are included in a control manager able to communicate with at least one Input/Output, I/O, module. The microcontroller is configured to: calculate an offset between the second timestamp and the first timestamp; compute a clock ratio between the second time domain and the first time domain; and transmit a message to the at least one I/O module, the message including the second timestamp, the offset and the clock ratio.
A circuit breaker is disclosed, including: an input side including a first input end and a second input end for respectively connecting to a first line and a second line of a power supply; an output side including a first output end and a second output end for respectively connecting two ends of an electric load to form a load loop; a switch unit arranged between the input side and the output side for turning on and turning off the load loop; a current detection unit for detecting a loop current of the load loop; a voltage detection unit for detecting a loop voltage between the first line and the second line; a control circuit including at least one comparator, the control circuit is configured for controlling whether to turn off the switch unit according to comparison results.
H02H 3/38 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to both voltage and currentEmergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to phase angle between voltage and current
98.
APPARATUS FOR GENERATING A SELF-CHECK LEAKAGE CURRENT
An apparatus for generating a self-check leakage current is disclosed. The apparatus includes: a mechanical switch; a phase line solid-state switch arranged on a phase line and located upstream of the mechanical switch; a current transformer arranged upstream of the phase line solid-state switch; a bypass unit including a bypass switch and a bypass resistor, one end of the bypass unit is connected between the mechanical switch and the solid-state switch on the phase line, and the other end is connected to the upstream of the current transformer on the neutral line; A control unit for controlling the switching on and off of the phase line solid-state switch and the bypass switch and to receive the current value detected by the current transformer, wherein the self-check leakage current is generated when the phase line solid-state switch and the bypass switch are switched on.
G01R 31/52 - Testing for short-circuits, leakage current or ground faults
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
99.
PLANT INFRASTRUCTURE MODELLING UPDATE FROM ENGINEERING INFORMATION
An application server (AS) for updating a semantic model of a plant infrastructure comprising physical assets that belong to different engineering domains, wherein applications are dedicated to the engineering domains, wherein physical assets are represented respectively by first logical assets in updated applications and respectively by second logical assets in outdated applications, configured to: determine, for at least one updated application, first logical attributes and corresponding first logical values of a first logical asset from first metadata associated with the first logical asset; determine, for at least one outdated application, second logical attributes and corresponding second logical values of a second logical asset from second metadata associated with the second logical asset; determine a first semantic asset with first semantic attributes and corresponding first semantic values using pattern-matching rules related to the semantic model on the first logical attributes and corresponding first logical values, and determining a second semantic asset with second semantic attributes and corresponding second semantic values using pattern-matching rules related to the semantic model on the second logical attributes and corresponding second logical values; determine common attributes between the first semantic attributes and the second semantic attributes; determine a physical asset associated with the first semantic asset and the second semantic asset, if the common attributes have similar values based on semantic and/or similarity comparisons; create an identifier for the determined physical asset associated with the common attributes and values for the common attributes in the semantic model, and update the semantic model with the physical asset and with relationship between the physical asset, the first semantic asset and the second semantic asset.
G06F 30/13 - Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
G06F 30/18 - Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
The present disclosure relates to a power supply circuit and an electrical device. The power supply circuit includes: a first switch; a first capacitor connected in series with the first switch; a voltage sampling device configured to detect a voltage of the first capacitor and/or a power supply bus to which the power supply circuit is connected; and a control circuit configured to output a control signal based on the detected voltage, wherein the first switch is configured to be switched on or off based on the control signal. In this way, a low-voltage withstanding capacitor with a large capacitance can be achieved in the power supply circuit by switching out the capacitor when the power supply bus voltage is high and switching in the capacitor to assist in power supply when the power supply bus voltage is low.
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
patents
