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WO/2024/089720A1 |
A monitoring apparatus (10) for an insulating element (100) comprising a leakage current collection element (11), a device (12) for storing the energy associated with said leakage current, a module (13) for detecting at least a leakage c...
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WO/2024/076234A1 |
A system (1) for cutting power to one or more powered devices (8) comprises an actuator (5) which controls the power to the one or more powered devices. The actuator is, or one or more controllers (3) connected to the actuator are, confi...
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WO/2024/074564A1 |
A measurement system includes an arc-fault detection circuit and a second detection circuit coupled to a current transducer. By providing both arc-fault detection and further detection capabilities using a current transducer, the overall...
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WO/2024/046836A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit, wherein: • - grid-side and load-side connections (LG, NG, LL, NL) are provided for conductors of the low-voltage circuit, • - a mechanica...
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WO/2024/032887A1 |
The invention relates to a hybrid voltage limiter. According to the invention, the hybrid voltage limiter (1) comprising a first electrode (14), a second electrode (15), trigger electronics (10), a thyristor component and a varistor comp...
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WO/2024/028351A1 |
The present disclosure relates to a method for controlling a protection system for an electrical power system comprising a transmission line terminated by a first terminal coupled to a first power source and by a second terminal coupled ...
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WO/2024/023426A1 |
The invention relates to a device for protection against short circuits occurring on a high-voltage DC power supply line (36, 38) between a DC source (10) and an active load (20), the device consisting of a bypass circuit formed of a con...
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WO/2024/017499A1 |
A residual current breaker (1a..1i) is proposed, which in addition to its capability to cut off power in case of AC ground faults comprises a DC current source (11) and a control unit (13). The DC current source (11) is designed to outpu...
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WO/2024/003335A1 |
According to one aspect, a device (20) for monitoring a power supply (10) for safety extra low voltage, comprises: a first monitoring element (110), which is designed to monitor a first current (I1) and a first voltage (U1), which are ou...
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WO/2023/247107A1 |
The present disclosure relates to a start-up method for reducing inrush current to a transformer (3) when closing a switching device (2). The method comprises monitoring a voltage (U) in one of the phases. The method also comprises, for ...
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WO/2023/238159A1 |
A method of a three-phase circuit breaker system for predicting faults in electrical appliances using artificial intelligence for controlling an energy consumption of the electrical appliances is provided. The method includes (ii) receiv...
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WO/2023/232347A1 |
The present invention relates to a residual current operated device (1) according to claim 1. The residual current device (1) is designed for connection in a supply network (2) with at least two supply conductors (3) and comprises - a sw...
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WO/2023/226208A1 |
Disclosed in the embodiments of the present application are a robot controller power supply test and protection system, and a robot. The system comprises: a power supply test and protection module, configured to measure an output voltage...
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WO/2023/223406A1 |
The present invention comprises a reverse connection protection relay, a voltage detection unit, and a control device. The reverse connection protection relay comprises a switching element and a rectifying element. The switching element ...
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WO/2023/214961A1 |
A method of protecting a load circuit includes sensing a load current passing through a switch electrically in series with the load circuit, sensing a voltage drop across the switch, determining a rate of change of the voltage drop acros...
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WO/2023/213047A1 |
Disclosed in the present invention are a switch power source for isolated output on a single path among multiple paths, and an LLC switch circuit. The switch power source comprises a power factor correction circuit and an LLC switch circ...
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WO/2023/205464A1 |
A faulty meter socket detection system configured to detect faulty sockets as evidenced by series arcs in an input current waveform or an increased temperature of the meter is disclosed. The system includes a metering circuit configured ...
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WO/2023/202018A1 |
The present invention provides a multi-mode power distribution terminal protection control apparatus and method based on an analog-to-digital array. The apparatus comprises a traditional protection policy module, a control policy module,...
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WO/2023/200328A1 |
The present invention relates to a system configured to power up electronic circuit breaker (3) apparatus wirelessly, wherein system comprising: an energy transmitter (1) circuit and a loop of embedded antenna (34c) for channelling RF en...
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WO/2023/195652A1 |
The present specification relates to a protection relay system in which a relay device transmits data to a repeater device, the repeater device transmits the data to a terminal device, and the repeater device repeats communication betwee...
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WO/2023/195153A1 |
An in-vehicle breaking current supply device (10) comprises: a transformer (20) that has a first winding (21) and a second winding (22); a switching unit (14); a capacitor (25); a discharge circuit (26); and a blocking unit (27). The swi...
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WO/2023/186730A1 |
In a method, operation of an electric power system which has a power utility automation system (1981-1984, 1991-1994) is monitored. The power utility automation system (1981-1984, 1991-1994) comprises a plurality of electronic devices, s...
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WO/2023/186434A1 |
A device (20) comprising a diversion circuit (10) and a harvesting circuit (24), wherein the diversion circuit (10) comprises at least two parallel connected protection branches (30) connected between a surge arrester (28) and ground. Th...
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WO/2023/179915A1 |
A circuit breaker (1a..1e) is disclosed, which comprises a housing (2), a switching contact (S1, S2), a trigger unit (3) acting on the switching contact (S1, S2), a circuit breaker microcontroller (4) and a circuit breaker memory (5) and...
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WO/2023/174705A1 |
The invention relates to a method for protecting against fault arcs in an electric power distribution system (100) in which electric power from an electric power source (4) is distributed via a common superordinate main distribution line...
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WO/2023/173454A1 |
Disclosed in the present invention is a power line electronic leak detection and electronic leak protection circuit, comprising a live wire, a neutral wire, and a trip coil. The live wire and the neutral wire are respectively provided wi...
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WO/2023/174707A1 |
The invention relates to a method for backup protection in an electrical switchgear (100), wherein electrical voltage and/or current values of the switchgear (100) are used to check whether, in a first protective switching device (61, 62...
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WO/2023/174703A1 |
The invention relates to a method for protecting against fault arcs in a hierarchically structured electric distribution network (100) in which electric power from a feed point (4) is distributed via a common superordinate main distribut...
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WO/2023/174706A1 |
The invention relates to a method for protecting against fault arcs in an electric power distribution system (100) in which electric power from an electric feed point (4) is distributed via a common superordinate main distribution line (...
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WO/2023/166063A1 |
The invention relates to a monitoring system for monitoring a voltage network (12), having a protection device (16) which is to be incorporated into the voltage network (12) and comprises at least one triggering protection component (18)...
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WO/2023/168026A1 |
Apparatuses, systems, and methods are described for providing event indication. The system includes a protection device, an event indicator associated with the protection device, including a housing having an opening; a translation membe...
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WO/2023/159279A1 |
An electrical testing device comprising a first conductor, a second conductor, an active conductor, a neutral conductor, an earth conductor and one or more connectors to connect the active conductor, the neutral conductor and the earth c...
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WO/2023/156829A1 |
A method for protecting a low-voltage distribution network. The low-voltage distribution network includes a low-voltage side of a three-phase distribution transformer that is configured to supply electrical power to at least one single-p...
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WO/2023/152424A1 |
Disclosed is a method of measuring current for fault detection in a distribution grid (410). The method comprises: using three current transformers, wherein three current transformers are connected to one another; installing three connec...
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WO/2023/151872A1 |
For a hybrid circuit breaker (1), comprising a mechanical bypass switch (8) and a voltage source arrangement (9) disposed in an outer conductor path (2), a first semiconductor circuit arrangement (11) connected parallel to the mechanical...
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WO/2023/143788A1 |
The invention relates to a device for determining a compensated effective value Ieff of an alternating current I, comprising a current transformer and a digital evaluation unit, wherein a wrong effective value Ieff, abg is calculated fro...
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WO/2023/142703A1 |
An overvoltage protection circuit and apparatus, and a display panel (30) and a display. The overvoltage protection circuit comprises: an overvoltage detection circuit (10) and an overvoltage counting circuit (20), wherein the overvoltag...
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WO/2023/146919A1 |
An arc flash suppressor, system, and method are disclosed. The arc flash suppressor includes a main processor, a current sensor processor, a voltage sensor processor, a plasma ignition detector, and an arc flash extinguishing circuit. Th...
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WO/2023/134970A1 |
The invention relates to a high-voltage supply for drive motors of an electric vehicle, comprising a distribution box which receives high-voltage components and which comprises high-voltage connections (72.1 - 72.4) arranged thereon, sai...
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WO/2023/135364A1 |
Disclosed is sensing apparatus (100, 200, 300, 400, 502, 504, 506, 602, 902, 1002) comprising first sensor device (102, 202, 302, 402, 604, 910), second sensor device (104, 204, 304, 404, 606, 912), third sensor device (106, 206, 306, 40...
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WO/2023/135292A1 |
There is provided an electrical device for transferring electric energy between the electrical device and an external electric circuit. The electrical device comprises a coupling device, a sensor, a control unit, and a computing device. ...
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WO/2023/118726A1 |
The invention relates to a method for protecting an electrical network, comprising the steps of: - monitoring at least one electrical quantity of the network; - triggering actions on physical protections included in the network according...
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WO/2023/110539A1 |
The electric device (104) comprises: - a phase input terminal (BEP) and a neutral input terminal (BEN); - an electric circuit (107) comprising a neutral terminal (BN) designed to be connected to ground (GND); - a phase branch (BrP) conne...
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WO/2023/114039A2 |
Generators, systems, and methods can comprise a resistance temperature detector (RTD) module (70); a controller area network (CAN) module (60); and an optical interface (80) between the RTD module (70) and the CAN module (60). The optica...
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WO/2023/104501A1 |
The invention relates to a device and a method for overvoltage monitoring of at least two overvoltage events by means of a temporal monitoring and an overvoltage limitation.
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WO/2023/099485A1 |
The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) w...
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WO/2023/101162A1 |
A string optimizer of the present invention is connected between a photovoltaic string and an inverter, which constitute a photovoltaic power generation system, so as to boost or bypass and output a voltage applied from the photovoltaic ...
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WO/2023/097103A1 |
A direct current (DC) hybrid circuit breaker (HCB) includes a current sensor and a variable inductor. In the event of a short circuit fault current reaches a preset threshold, the current sensor will send a tripping signal to a controlle...
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WO/2023/088673A1 |
The invention relates to a method for locating an arc (LB) in a switchgear apparatus (10), wherein – the switchgear apparatus (10) is subdivided into two or more detection zones (Z1, Z2, Z3, Z4), - each detection zone (Z1, Z2, Z3, Z4) ...
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WO/2023/083496A2 |
A circuit interrupter includes separable contacts; an operating mechanism; an electronic trip unit; and a current sensor assembly including: a harvester circuit having a primary conductor through which input current passes, a secondary w...
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