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WO/2021/158539A1 |
A spark gap circuit includes a circuit board. The spark gap circuit also includes an input configured to connect to the circuit board and to receive signals. The spark gap circuit also includes a spark gap configured to connect to the ci...
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WO/2021/154728A1 |
An electric meter in a utility box is capable of detecting arcing conditions between meter blades and a meter socket in the utility box at a premises. The electric meter includes a current-transformer structure forming an enclosed space....
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WO/2021/152524A1 |
Electronic controller comprising: - a power supply (11) connectable to a power supply network (12); - at least one connector (13a, 13b, 13c) adapted to be connected to a load (14a, 14b, 14c) in order to supply it; - a microcontroller (15...
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WO/2021/150684A1 |
A circuit interrupter device includes line hot, line neutral, load hot, and load neutral terminals, a solid-state switch, internal short-circuit switch circuitry, and control circuitry. The solid-state switch is connected in an electrica...
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WO/2021/139979A1 |
An electrical vehicle charger including a first terminal connected to a first terminal line and a second terminal connected to a second terminal line, and including a first nominally live input line and second nominally neutral input lin...
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WO/2021/010808A9 |
The present invention relates to the prevention of electric disasters by measuring and analyzing power loss in a railroad track and characteristics such as resistance in the railroad track, and detecting signs of abnormalities in a power...
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WO/2021/138207A1 |
Systems and methods are provided for managing a power distribution system. The power distribution system can include a first node, second nodes, and at least one smart interface controller. The first node can include an energy storage co...
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WO/2021/130447A1 |
The invention relates to a device (D) for detecting a fault in an electrical network (1), comprising at least one electrical equipment (E) which is electrically connected to a first power conductor (C1) and to a second power conductor (C...
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WO/2021/130449A1 |
The invention relates to a member (O1) for measuring a magnitude representative of a common mode voltage (Vres) in an electrical network (1) or in an equipment (E), the network (1) or the equipment (E) comprising at least one first power...
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WO/2021/130448A1 |
The invention relates to a member (O1) for measuring a variable representative of a common mode voltage (Vres) in an electrical network (1) or in a device (E), the network (1) or the device (E) comprising at least a first power conductor...
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WO/2021/129956A1 |
Arc fault detection modules for vehicles intended to supervise circuits and detect arc fault conditions in both alternating current and direct current circuits. A number of these arc fault detection modules may be integrated into a vehic...
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WO/2021/122811A1 |
A plug-in contact apparatus (100) for extinguishing an arc comprises a main contact, HA (112), and an auxiliary contact, HI (114), which each comprise a first contact half, HA1 (112-1) and, respectively, Hl1 (114-1), and a second contact...
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WO/2021/122812A1 |
The invention relates to a plug contact apparatus (100) for extinguishing an electric arc using an extension, comprising a main contact, HA (112), and an auxiliary contact, Hl (114). HA (112) and Hl (114) each comprise a first contact ha...
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WO/2021/116399A1 |
A method of detecting a serial arc fault in a DC-power circuit (1) includes injecting an RF-signal with a narrow band-width into the DC- power circuit and measuring a response signal related to the injected RF-signal in the DC-power circ...
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WO/2021/101455A1 |
This invention is a digital electrical status reader and fault alert device featuring IP network data communication through copper wire, fiberglass cable or wireless data connection or other communication system when electrical current i...
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WO/2021/099413A1 |
The present specification provides a method and device for determining a disturbance condition in a power transmission line. The method includes obtaining (302) a plurality of sample values corresponding to an electrical parameter measur...
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WO/2021/092350A1 |
Arc fault protection for a digital electricity distribution system that provides power to a device. The system includes an arc fault circuit interrupter ("AFCI") and a controller. The controller is connected to the AFCI. The controller i...
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WO/2021/087543A1 |
Receive analog signal representing real-time electrical current of electrical power transmission/distribution line; sample and digitise analog signal to generate power line current data; generate data frames of subsets of the power line ...
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WO/2021/084196A1 |
The invention relates to a method for detecting an electrical arc an electric system. The method uses multiple consecutive or non-consecutive acquisitions of reflectograms representative of a spatial distribution of impedance in an elect...
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WO/2021/071684A1 |
Systems and methods testing a power protection relay include a merging unit to receive signals from an electric power delivery system. The merging unit includes a test signal input to receive test signals from a testing device, a relay o...
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WO/2021/063569A1 |
The invention relates to a protection device (1) for operating an electric machine (33) at a converter (3), comprising a first and a second conductor (4, 5) of a direct current link (2), a switching device (6) having a first and a second...
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WO/2021/058413A1 |
A method for protecting at least part of a network segment of an electrical energy distribution network comprises the following steps: voltage dips in the intermediate feeding devices of the power line assemblies are detected by means of...
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WO/2021/053635A2 |
A smart sheath for the protection of an electric cable comprises an inner insulating tubular layer (3) adapted to contain the conductive elements (4) of the electric cable (1), an outer tubular protective layer (5) placed on the inner tu...
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WO/2021/009025A9 |
The invention relates to a method for detecting a short-circuited line in an electrical direct-voltage conductor network, comprising the following steps: • per conductor branch at a conductor node: ◦ determining a first current value...
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WO/2021/045669A1 |
An electronic circuit breaker (100) with self-triggering protection for a vehicle, comprising: an input (101) configured to be connected to an electric DC power supply; an output (102) configured to be connected to a load; the input is c...
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WO/2021/045670A1 |
An electronic circuit breaker (100) for a vehicle, comprising: an input (101) configured to be connected to a DC power supply; an output (102) configured to be connected to a load; said input connected to said output via a semiconductor ...
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WO/2021/035110A1 |
A circuit interrupt device provides a controller and method thereof that is programmed to receive a plurality of data sequences, each data sequence containing a set of data points corresponding to a waveform of line current flowing throu...
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WO/2021/026351A1 |
An inrush current protection circuit for a solid state lighting fixture is provided. The inrush current protection circuit includes one or more current limiting devices and one or more switching devices coupled in parallel with the one o...
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WO/2021/012938A1 |
A transient voltage suppressor (TVS) provided with temperature protection, comprising a housing (1), a cover plate (7), a TVS chip (2), a first lead-out electrode (5), and a second lead-out electrode (3), and further comprising a thermal...
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WO/2021/011942A1 |
An electric power distribution panel/system is disclosed. The system comprises an enclosure or housing including a front panel, a microcontroller, an input power line, and one or more power bus bars. The microcontroller is configured to ...
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WO/2020/167950A9 |
The present disclosure pertains to detection of abnormal, risky, or abberant conditions in a power distribution network and to corresponding trip signals being used to trip open devices such as reclosers upstream of where the abnormal co...
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WO/2020/263530A1 |
Communicating fault indications between primary and secondary controller in a secondary-controlled flyback converter is described. In one embodiment, an apparatus includes a primary-side field effect transistor (FET) coupled to a flyback...
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WO/2020/240097A1 |
The present invention relates to an electric line protection device (L), the device comprising, in a housing that it comprises, on the one hand, a plurality of coils (1, 2, 3) and a movable actuating element configured to be moved, under...
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WO/2020/233837A1 |
Various embodiments of the present invention are directed to a first trip unit that is configured to be coupled to a power distribution system arranged in a Zone Selective Interlocking (ZSI) arrangement. The first trip unit includes an I...
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WO/2020/228951A1 |
The invention relates to an assembly having a multilevel power converter (3), which has at least one phase module (31), wherein the phase module (31) has a plurality of modules (5_1 … 5_m, 6_1 … 6_m) which each have a first electrica...
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WO/2020/224303A1 |
Disclosed by the present application are an air conditioner overvoltage detection circuit, an air conditioner electronic control apparatus and an air conditioner, wherein the air conditioner overvoltage detection circuit comprises a firs...
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WO/2020/221501A1 |
The invention relates to a device (1) for detecting an electric arc in an electronic assembly (10), having: • - a transmission unit (2) for generating an output signal (A), and • - an evaluation unit (3) for receiving the output sign...
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WO/2020/223348A1 |
A disconnector device including an isolator connected between a first terminal and to a second terminal, and a sleeve positioned around the isolator and moveable between an un-extended position prior to the isolator operating and an exte...
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WO/2020/216853A1 |
An arc fault detector (1) with an electric line (2) and a sensor (3) for monitoring an electric current spectrum in the electric line (2) and outputting a broadband measurement signal is suggested, further comprising a signal-pattern-ana...
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WO/2020/212300A1 |
There is provided mechanisms for handling time shifted data streams in a substation network (100a, 100b). A method is performed by an IED (200). The method comprises receiving (S102) a respective data stream from at least two time synchr...
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WO/2020/207648A1 |
In order to reduce the wiring outlay for an electric system, an electric system (1) is disclosed comprising an electrical operating means (2), an interface (3) and a transmission line (4), connected to the interface (3), for transmitting...
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WO/2020/210204A1 |
A power converter with ground fault protection (PCGFP circuit 100) circuit includes an input stage (101), a first voltage converter (104), and an output stage (103). The input stage is connected to a power bus to receive an input direct ...
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WO/2020/210192A1 |
A computer-implemented method includes measuring, by a first local controller connected to a first converter, one or more characteristics of the first converter. The first converter belongs to a set of two or more converters in a power s...
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WO/2020/209523A1 |
An example of the present invention provides a protective relay inspection device including: a connection unit connected to a protective relay; and an inspection unit which, upon receiving a relay setting-providing signal including relay...
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WO/2020/198561A1 |
Unique systems, methods, techniques and apparatuses of a distribution system are disclosed. One exemplary embodiment is an alternating current (AC) distribution system including a first substation including a first transformer and a prot...
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WO/2020/192921A1 |
The invention relates to a method for detecting an arc (442) in a power semiconductor component (202), in which a component control element (408) associated with the power semiconductor component (202) transfers messages (N) to a superor...
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WO/2020/193063A1 |
The invention relates to a monitoring method for an electrical energy transfer device (1, 2) comprising a first phase conductor (9a) and a second phase conductor (9b), in which method a temperature (13a, 13b) of the first phase conductor...
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WO/2020/188592A1 |
The present subject matter described herein relates to a motor control unit (200) configured for arc fault detection in a vehicle. The motor control unit (200) as described herein is provided with a plurality of power terminals (201,202,...
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WO/2020/174267A1 |
A connector for electric vehicle supply equipment includes a housing for one or more electrical coupling members that are connectable between the electric vehicle supply equipment and a mating inlet of an electric vehicle to supply elect...
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WO/2020/169753A1 |
A load protection apparatus for protecting an electrical load connected to an output terminal (3) of the load protection apparatus (1) against overcurrent, said apparatus (1) comprising: an overcurrent protection circuit (1A) having a po...
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