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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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WO/2020/169780A1 |
A load protection and control apparatus (1) for protecting and controlling an electrical load connected to the load protection and control apparatus (1) comprising an overcurrent protection circuit (1A) having a power switch (5) through ...
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WO/2020/169765A1 |
A motor control apparatus for controlling a power supply to an electrical motor (M) connected to an output terminal (3) of the motor control apparatus (1) comprising: an overcurrent protection circuit (1A) having a power switch (5) throu...
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WO/2020/169774A1 |
A load control apparatus (1) for controlling a power supply to an electrical load connected to an output terminal (3) of the load control apparatus (1) comprising: an overcurrent protection circuit (1A) having a power switch (5) through ...
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WO/2020/167950A1 |
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/2020/164771A1 |
Arc detection in a DC network, having the steps of: - determining a time signal as a temporal profile (t(s)) of the electrical current in the DC network, - digitally sampling the time signal, - dividing the digitized time signal (4) into...
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WO/2020/120866A3 |
An electronic current-switching system comprising a driver unit (20) and a switching device (10) with a controlled transistor (12), a control unit (16) coupled to said transistor (12), a power supply unit (17) for supplying the control u...
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WO/2020/148991A1 |
The present invention concerns a node of an HVDC grid composed of HVDC nodes and of a plurality of links interconnecting the HVDC nodes, each HVDC node being interconnected to at least one HVDC node of the HVDC grid by a link composed of...
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WO/2020/145029A1 |
A power distribution control device (10) according to the present invention is used in a power distribution system for distributing electrical current from power sources (1, 6) to devices (3, 4, 7) via power buses (5, 8). The power distr...
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WO/2020/131005A1 |
A system (100) includes a facility power bus (102) coupled to a utility power grid (112), a power generation sub-system (108) coupled to the facility power bus via one or more first power converters (138), and a fault current control sub...
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WO/2020/132498A1 |
An electric utility distribution system in which power is supplied by a distribution transformer through an electric utility meter including an apparatus for detecting the presence of a back-feed voltage source connected to the load. The...
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WO/2020/126128A1 |
For an arc fault detector (1) with a first electric line (2) and one sensor (3) adapted for monitoring an electric current or voltage spectrum in the first electric line (2) and outputting a broadband measurement signal, it is suggested ...
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WO/2020/126727A1 |
The invention relates to a high-voltage device (10) for the operation of a high-voltage application. The high-voltage device (10) comprises at least one detector (50) for detecting an opened touch-protection cover (38) for at least one v...
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WO/2020/120308A1 |
The invention relates to a circuit assembly, to a system and to a method for switching a high-voltage battery (201) and to a vehicle having such a circuit assembly and such a system. The circuit assembly comprises a transistor for conduc...
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WO/2020/120866A2 |
An electronic current-switching system comprising a driver unit (20) and a switching device (10) with a controlled transistor (12), a control unit (16) coupled to said transistor (12), a power supply unit (17) for supplying the control u...
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WO/2020/115275A1 |
An electrical system forming part of a solar power plant (1) is described. The electrical system includes a plurality of photovoltaic (PV) panels (8), a power converter (2), and a controller (54). In response to a detected electric arc o...
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WO/2020/108795A1 |
The invention relates to a system having an electric consumer, in particular having a drive, in particular having an electric motor supplied by an inverter, wherein the system has an electric device having a switch apparatus and lines, i...
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WO/2020/108509A1 |
A protection circuit(100) for ground short circuit protection, the circuit(100) comprising: a high conduction circuit(110) for controlling the supply of electric power for a functional circuit(1000), wherein the functional circuit(1000) ...
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WO/2020/110060A1 |
The invention relates to remote activation of a communication module of a self-powered intelligent electronic device (IED). The IED controls an auto recloser mounted on an electric pole of a power distribution network. A controller of th...
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WO/2020/103308A1 |
An overcurrent protection control circuit (100) for use in a level shift circuit. The overcurrent protection control circuit can determine that detected large current is stable large current caused by the short circuit of the wiring of a...
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WO/2020/099412A1 |
The proposed solution relates to an electric motor assembly, comprising at least one electric motor (1) and a control device (2) for controlling the electric motor (1), as well as an electronic detection device (3a, 3b) for detecting at ...
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WO/2020/084297A1 |
Methods for detecting an arc in an electric circuit carrying alternating current (AC) are provided including monitoring emission of electromagnetic radiation or acoustic noise and corresponding amplitude modulation for each emission of e...
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WO/2020/075181A1 |
An intelligent transformer monitoring system to detect and monitor random failures in distribution transformers due to improper usage and poor maintenance is provided. The intelligent transformer monitoring system includes a GSM-GPRS, a ...
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WO/2020/075123A1 |
A device (9) for protecting a direct current electrical system (1) having one or more modules (2) from electric arcs comprises: a first sensor (10) provided with a first ring of ferromagnetic material configured to generate a first signa...
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WO/2020/069697A1 |
The invention relates to a method for determining a short circuit with the occurrence of an arc on an electrical conductor. The method comprises: capturing a measurement signal for an electrical conductor by means of a sensor device havi...
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WO/2020/064926A1 |
In order to detect a fault (F) in an arrangement comprising a transformer (4) that has a primary winding (L1) connected in series with a DC voltage line (DC+, DC-) and a secondary winding (L2) coupled magnetically to the primary winding ...
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WO/2020/064110A1 |
The invention relates to a Rogowski coil for determining the magnitude of the electrical current of a conductor of a low-voltage AC circuit, which outputs an analogue voltage which is equivalent to the magnitude of the electrical current...
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WO/2020/058162A1 |
The invention relates to a device for coupling two DC grids comprising source-side and load-side capacitors (7, 8) by means of a switching device (1) for regulating the current. The switching device (1) comprises two switching modules (1...
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WO/2020/051645A1 |
A smoke alarm system including a smoke detecting unit, a relay to control electrical power supply to all or part of a switchboard located remote to the smoke detecting unit, wherein when the smoke detecting unit detects smoke, the smoke ...
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WO/2020/026163A3 |
The present invention relates to a method for supervising a voltage transformer (110) and operating a circuit breaker(150) connected to a protection relay(100a), the supervisory relay (100) being interfaced with a voltage transformer (11...
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WO/2020/033297A1 |
A cargo (22) detection system for a refrigerated cargo container (10) includes a cargo sensor (50) body configured to detect presence of cargo (22) in a refrigerated cargo container (10) and a sensor bracket (56) configured for securing ...
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