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Patent Searching and Data


Matches 1 - 50 out of 2,165

Document Document Title
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...  
WO/2021/053635A3
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...  
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...  
WO/2021/010808A4
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...  
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...  
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...  
WO/2020/022875A8
Monitoring system for monitoring a medium-voltage electric power network, which can be defined as a network on an operating voltage of approximately 3 kV to 25 kV, the system comprising at least one monitoring device and a controller arr...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2021/010808A1
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...  
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 ...  
WO/2021/009025A1
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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,...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  

Matches 1 - 50 out of 2,165