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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/2023/194810A1 |
The method and systems described herein provide for identifying and mitigating undesirable power or voltage fluctuations in regions of a semiconductor device. The method includes detecting a region, such as an individual processor, of a ...
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WO/2023/187274A1 |
The present invention relates to a method for controlling an inverter that controls an electric machine and that is controlled by a first control device in a nominal operating mode and by a second control device in order to apply a safet...
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WO/2023/184845A1 |
A peak current load control circuit, comprising: a reference voltage adjustment circuit (10), which is used for generating a reference voltage control signal according to a constant-current mode signal and/or a constant-voltage mode sign...
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WO/2023/186184A1 |
A fault detection method and apparatus for a three phase power supply circuit of a frequency converter, and an air conditioner. The fault detection method of the three phase power supply circuit of the frequency converter comprises: when...
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WO/2023/186433A1 |
A device (20) comprising a suppression unit (10) and a measurement circuit (24), wherein the suppression unit (10) comprises at least two parallel connected protection branches (30) connected between a surge arrester (28) and ground. The...
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WO/2023/191741A1 |
The invention relates to a superconducting fault current limiting transformer (10) for enabling the limitation of fault current in the event of a fault, comprising a metal core (100) provided in layered form, a first coil provided to a f...
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WO/2023/183502A1 |
This disclosure provides a circular force generator system (100) which incorporates a failsafe component. The failsafe component provides a brake system on the circular force generator such that the rotor of the circular force generator ...
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WO/2023/183143A1 |
One example includes a power supply system. The system includes a voltage-limit power regulator to generate an output voltage and an instantaneous overvoltage sensor configured to detect an overvoltage condition associated with the outpu...
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WO/2023/175985A1 |
Provided is an estimation device for estimating a position of occurrence of an accident on a power-feeding line in a DC power-feeding system in which a plurality of locations, each provided with a power-feeding device, are connected with...
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WO/2023/175984A1 |
Provided is an inrush current prevention device that is used at a specific location in a DC power-feeding system in which a plurality of locations, each provided with a power-feeding device, are connected by a power-feeding line, the inr...
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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/2023/177800A1 |
Systems and methods for power system switching element (PSSE) anomaly detection are disclosed. An example PSSE anomaly detection unit may include a power system switching element position estimator (PSSEPE) and a comparison unit. The PSS...
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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/2023/176348A1 |
A circuit protection device (20) for protecting monitoring circuits (22) that monitor the voltage of a power source unit (1) is provided with: overvoltage protection elements (212) that are connected between a plurality of detection line...
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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/2023/172487A1 |
A system and method for estimating fault current using a sliding observation window that is shorter than one cycle. The method may also include providing a pickup level that defines a current threshold for opening a switch in response to...
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WO/2023/171848A1 |
The present invention relates to an earth leakage breaker with a built-in trip modular circuit breaker, wherein the earth leakage breaker is installed between a power supply and a load line and includes a trip module for breaking the lin...
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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/2023/165047A1 |
Provided are an overcurrent protection apparatus and protection method for a T-type three-level inverter, the overcurrent protection apparatus comprising a T-type three-level inverter circuit, an overcurrent protection circuit and a swit...
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WO/2023/167886A1 |
An arrester assembly including a first support member and a constant tension spring including a first end and a second end. The first end is mechanically coupled to the first support member such that the second end of the constant tensio...
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WO/2023/166874A1 |
An overcurrent protection circuit 34, for example, comprises: an overcurrent detection unit 341 configured to compare monitoring target current IOUT and an overcurrent detection threshold value IOCD; a current interruption unit 342 confi...
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WO/2023/167620A1 |
A bus bar current interruption device (1) comprising a casing (2), providing an enclosure (3), and a bus bar arrangement (4). The bus bar arrangement (4) is arranged to extend through the enclosure (3) and comprises a first terminal end ...
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WO/2023/166263A1 |
The invention relates to a system (2) for protecting an electrical network (1) comprising a plurality of digital protective relays (18) which are each arranged on a power supply line (6) of the network, respectively, each relay (18) comp...
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WO/2023/167211A1 |
Provided is a vehicle power supply device capable of implementing inexpensive and reliable electric shock preventative measures. A vehicle power supply device 1 is provided with: a first power storage element group 2 in which multiple ...
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WO/2023/162554A1 |
This current breaker comprises: a first measurement unit that measures a current flowing through a current path; a second measurement unit that includes an air core coil wound around the current path and measures a differential value of ...
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WO/2023/160202A1 |
Provided in the present application are a sensor microphone output protection circuit and a sensor microphone. The sensor microphone comprises an amplification output circuit, a power supply end and an audio output end, wherein the ampli...
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WO/2023/161951A1 |
The present invention relates to a protected distribution board (PDB) integrated with low voltage load power distribution system in buildings with four levels of over current protection and three levels of ground fault protection for con...
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WO/2023/160968A1 |
The invention relates to a method for operating a circuit breaker (100) which couples a load circuit (200) to be protected to a supply circuit (300). The circuit breaker (100) has a mechanical switch element (110) and an electronic switc...
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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/2023/160965A1 |
The invention relates to a method for operating a circuit breaker (100) which protects an electric circuit (200). The circuit breaker (100) has a mechanical switch element (110) and an electronic switch element (120) connected in series ...
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WO/2023/161622A1 |
A multi-phase electrical machine (100) for use in an aircraft (1), the electrical machine comprising: a stator (110) comprising a plurality of electrical phases, each electrical phase comprising phase windings, the phase windings in each...
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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/2023/158198A1 |
The present invention relates to an energy optimization power saving apparatus using return luminous energy of infrared synthetic wavelength equipped with an overload protection apparatus and provides an energy optimization power saving ...
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WO/2023/155416A1 |
Provided is a blocking-type surge protector for accelerated turn-off, comprising: a first transistor (M1), a drain electrode thereof connected to a first port; a second transistor (M2), a drain electrode thereof connected to a source ele...
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WO/2023/152428A1 |
The invention relates to a monitoring method implemented in a vehicle comprising a rechargeable main battery and coupled to a charging connector able to be temporarily coupled to a power source to receive a charging current having an ind...
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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/2023/150385A1 |
A circuit interrupting device including a line terminal, a wideband current sensor configured to measure a current flowing through the line terminal, a zero cross detection circuit configured to measure a voltage and frequency of the lin...
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WO/2023/149710A1 |
The present invention relates to a display device and a control method therefor. The display device comprises: a display; a first communication interface unit; a second communication interface unit; a power supply unit; and a control uni...
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WO/2023/145511A1 |
A DC circuit breaker 25a comprises: a parallel connection part between a mechanical switch 40 and a semiconductor switch 44; and a switch control unit 39 which is connected in series to one side of the parallel connection part. The switc...
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WO/2023/142371A1 |
Provided in the present disclosure is a hot-swap application circuit, comprising a hot-swap detection and power supply unit, a power supply switch transistor, a switch circuit, a voltage stabilizing capacitor bank and a load device. A se...
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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/2023/143846A1 |
The invention relates to a control circuit for an active rotational speed sensor (10) of a vehicle. The active rotational speed sensor (10) is designed to detect the rotational speed of a wheel and to output a sensor signal on that basis...
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WO/2023/145465A1 |
An in-vehicle power supply system (100) comprises a storage battery (10) and a voltage conversion module (40). When a charger (50) and the storage battery are connected to each other via the voltage conversion module, the charging voltag...
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WO/2023/144002A1 |
A monitored DC voltage charging method for charging an in-vehicle traction battery (B1, B2) via an in-vehicle charging circuit using a vehicle-external charging voltage source (SQ) is described. The traction battery (B1, B2) has a rated ...
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WO/2023/139173A1 |
The invention relates to an electronic circuit arrangement for current limitation in a load circuit, having a power semiconductor (M1) located between a supply voltage and a load, the control input of which power semiconductor is connect...
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WO/2023/138880A1 |
The invention relates to a monitoring device (1) for an electrical grid, in particular for an IT electrical grid, preferably for an IT direct current electrical grid, comprising an earthing line (2), which runs from a tapping end (3), at...
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