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WO/2023/193832A2 |
The present invention belongs to the technical field of motors, and disclosed are a non-polarized power supply circuit for a direct-current brushless motor and a control method. The circuit comprises a microcontroller chip, a polarity de...
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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/2023/187274A1 |
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/2023/186384A1 |
The present specification is related a control device (2) to control of a plurality of tightening tools (4) arranged together in a fixture (3). Each tool comprises an electric motor (7) and gearing (8) connected thereto for driving tight...
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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/2023/186818A1 |
The invention relates to a monitoring device for a converter of a rail vehicle, wherein the converter comprises at least a number of power capacitors and a number of power semiconductor switches which are arranged in a common, at least s...
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WO/2023/189011A1 |
This power supply device comprises: a charging/discharging switching element that is connected in series to a battery module to charge or discharge the battery module; an analog circuit that controls ON/OFF of the charging/discharging sw...
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WO/2023/179193A1 |
A control method for a terminal device, and a storage medium, a general meter device and an electric meter system. The control method comprises: determining power distribution data of a plurality of terminal devices, wherein the power di...
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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/2023/176098A1 |
The present invention provides a device that makes it possible to estimate a ground fault point with high accuracy by aggregating signals from the power-receiving equipment of existing power consumers. A ground fault point estimation dev...
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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/2023/174705A1 |
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/2023/174707A1 |
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/2023/174061A1 |
Provided in the embodiments of the present application are an apparatus for disconnecting a circuit. The apparatus for disconnecting a circuit comprises: an input interface, an output interface, a first capacitor, a control assembly and ...
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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/2023/176953A1 |
Provided is a management system that enables continued operation of a power storage unit even when communication between the power storage unit and a server is interrupted. A management system 1 comprises a power storage unit 11 and a ...
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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/2023/169065A1 |
A charging and discharging protection apparatus for a battery pack, a battery pack and an electronic device. The battery pack comprises a plurality of charging and discharging branches (100) in parallel connection, and each charging and ...
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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/2023/161709A1 |
An embodiment provides a regulator comprising: a switch network which includes a first switch block, a second switch block, a third switch block, and a fourth switch block, which are connected to each other in series, wherein a flying ca...
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WO/2023/162200A1 |
An in-vehicle breaking current supply device (10) comprises a transformer (20) having a first winding (21) and a second winding (22), a drive unit (12), and a capacitor (28). The drive unit (12) switches between an allowable state in whi...
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WO/2023/159619A1 |
A motor controller generates first and second signals indicative of a motor back electromotive force (back emf) based on motor drive signals. The controller compares the first and second signals and detects a motor locked-rotor condition...
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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/2023/156276A1 |
A method for monitoring a transformer (10) comprising a tap changer (16), wherein extracted information comprises a circulating current amplitude (AC) and/or a circulating current time (tC) covering at least a part of the tap change oper...
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WO/2023/155941A1 |
The present invention relates to the technical field of permanent magnet electric motors. Disclosed is a protection method for overtemperature of a permanent magnet electric motor in an all-electric vehicle. The method comprises the foll...
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WO/2023/156680A1 |
To generate a signal processing logic (42), machine learning model training is performed, comprising training one or several encoders and one or several decoders. At least one encoder of the trained machine learning may be used for provi...
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WO/2023/156004A1 |
There is disclosed herein a method for fault-response in an energy storage system (ESS), wherein the ESS comprises a string of series-connected energy storage cabinets (110), and the string of energy storage cabinets comprises at least t...
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WO/2023/153000A1 |
In a non-contact power supply system 110, each of a plurality of non-contact power supply devices 1A, 1B, 1C, 1D, 1E has a filter circuit 9 including a reactor and a capacitor and connected to an inverter 8 which converts power supplied ...
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WO/2023/150837A1 |
A method of fault location in an electrical power line system (PLS), the method including: receiving at least one observed signal caused by a real fault in the PLS, wherein the or each observed signal is measured at a real observation po...
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WO/2023/149032A1 |
This DC microgrid comprises: a first fuse in which a positive electrode wire of a bus, to which another DC microgrid is connected, is connected to a first terminal, and a positive electrode wire, to which a plurality of power converters ...
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WO/2023/145466A1 |
A discharge circuit (40) causes a smoothing capacitor, which smooths a DC voltage, to discharge via a plurality of resistive elements (41) mounted to a substrate (50). The discharge circuit comprises a series-connected body in which at l...
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WO/2023/145407A1 |
In a battery abnormality detecting system 1, a data acquiring unit 111 acquires voltage data and current data of each cell in a battery pack in which a plurality of cells are connected in series, or each parallel cell block of a battery ...
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WO/2023/145467A1 |
A discharge circuit (40) discharges a smoothing capacitor (31) for smoothing a DC voltage. The discharge circuit comprises resistance elements (41) connected to the smoothing capacitor in parallel, a transistor (42) connected to the resi...
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WO/2023/138113A1 |
The present invention provides a method and an apparatus for unit control, and a photovoltaic multi-unit air conditioning system. The method comprises: on a first predetermined cycle, detecting a temperature of an inverter module of a cu...
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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/2023/134533A1 |
Embodiments of the present application provide a protective circuit, comprising: a control module; a first loop, the first loop comprising a constant current source and a resistance value detection module; and a second loop, the second l...
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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/2023/134895A1 |
The invention relates to a brake adjuster (1) for a modular multilevel converter (5), having a resistor (3), a first switching group (21) and also a first connection point (11) and a second connection point (12). To improve the usability...
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WO/2023/136485A1 |
According to the present invention, a distribution board with wireless leakage and overheating alarm functions enabling an emergency situation to be handled by applying a non-contact energy harvesting leakage current and temperature moni...
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WO/2023/133041A1 |
Electrical connectors with integral fault detection are provided. The connectors are adapted to be coupled to AC multi-phase electrical cables, and can include a plurality of phase contacts, a detector, and an indicator. The phase contac...
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WO/2023/131036A1 |
The present application relates to a control device for a battery pack active fuse, comprising a battery management system and a shunt resistor. The battery management system comprises a continuously-powered short-circuit current detecti...
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WO/2023/124114A1 |
Disclosed in the present application are a self-energy-taking hybrid direct-current circuit breaker and an application method therefor. In the self-energy-taking hybrid direct-current circuit breaker, a breaking branch is connected to a ...
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