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Patent Searching and Data


Matches 201 - 250 out of 12,982

Document Document Title
WO/2019/060317A1
Directing an electrostatic discharge received via a conductive pad through a multi-tap inductor having a signal path connecting the conductive pad to a signal processing circuit, the multi-tap inductor having a sequence of taps located a...  
WO/2019/056320A1
Provided are a power supply circuit (10), a power supply device, and a control method. The power supply circuit (10) comprises a primary rectification unit (11), a modulation unit (12), a transformer (13), a secondary rectification and f...  
WO/2019/052256A1
The prevent invention provides a protection circuit of an air conditioning controller and a control method thereof. The protection circuit of the air conditioning controller comprises: a thermistor, a relay, a rectifier module, a voltage...  
WO/2019/051924A1
Disclosed are a static electricity discharge protection circuit (300) and a display device using same. The static electricity discharge protection circuit (300) comprises a first switch (T10), a control end (T13) of the first switch (T10...  
WO/2019/047474A1
An intelligent power module and an air-conditioner controller. An adjustment circuit (14A, 24A, 34A, 44A, 54A, 64A) is additionally provided between each drive circuit (14, 24, 34, 44, 54, 64) in the intelligent power module and a corres...  
WO/2019/045998A1
A T-coil IC includes a first inductor on an Mx layer. The first inductor has n turns, where n is at least 1 7/8 turns. The T-coil IC further includes a second inductor on an Mx-1 layer. The second inductor has n turns. The first inductor...  
WO/2019/037817A1
The invention relates to a drive device for a vehicle flap, comprising an electric motor (2) for driving the vehicle flap, a supply switching circuit (3), comprising a first voltage source (9) for supplying current to the electric motor ...  
WO/2019/036580A1
Embodiments of the disclosure provide a current protection device with a mutual reactor including a first winding and a second winding. The current protection device is a subcomponent of a previously developed fault current limiter. The ...  
WO/2019/027852A1
An active limiting switch includes a comparator (312) and a power switch (212). The comparator is configured to compare a reference voltage (354) with a sense voltage (352). The sense voltage is representative of a proportional approxima...  
WO/2019/019505A1
A circuit structure for suppressing a surge current, comprising a surge suppression determination circuit (1), a switch control circuit (2), and a self-boosting regulation circuit (3). An output end of the surge suppression determination...  
WO/2019/020186A1
The invention relates to a converter arrangement (1) having a converter phase (2), which extends between a first and a second DC voltage pole (3, 4), wherein the converter phase comprises an AC voltage terminal (10) and a first converter...  
WO/2019/019602A1
A direct current switch arc-extinguishing device suitable for high power, comprising: a first direct current switch (J1), a second direct current switch (J2), a first diode (D1), and a second diode (D2); the first direct current switch (...  
WO/2019/020195A1
The invention relates to a current converter unit (303) for high-voltage direct-current (HVDC) transmission, comprising a first converter (315). A first direct-current terminal (327) of the first converter (315) is connected to a first c...  
WO/2019/014946A1
Provided are an electrothermal door lock protection circuit, a control board, a door lock, a door lock protection accessory, and a washing machine. The door lock protection circuit comprises: a switch device, an over-current protection P...  
WO/2019/012327A1
The invention relates to a circuit for separating an input of a converter (12) from a voltage supply (UEIN) in the event of overvoltage. The circuit comprises a protection device (14) with a first terminal for connection to the voltage s...  
WO/2019/011631A1
The invention relates to an assembly for monitoring the state of surge arresters which are connected, by means of releasable and/or non-releasable electrical contacts and connections, in the path to be protected or ahead of a device to b...  
WO/2019/007348A1
A safe processing method for active voltage reduction of a ground fault phase of a non-effective grounding system, for use in safe processing of a ground fault of a neutral point non-effective grounding generator or power distribution ne...  
WO/2019/007769A1
The invention relates to an arrangement for compensating voltage drops in a power supply network, wherein the arrangement comprises at least one first converter system and a second converter system, the intermediate circuits thereof are ...  
WO/2019/004876A1
The invention is used for protecting a transformer against short-circuiting and overloads in the primary winding. The invention makes it possible to achieve a simplification of the design, the absence of a reaction to current changes cau...  
WO/2019/002528A1
The invention relates to a method for electrically connecting a transformer (316) to an electrical network (320) having a network voltage via a power switching device (322), wherein the transformer has a primary side (324) and a secondar...  
WO/2018/236634A1
An electrical circuit and a method for regulating current and providing a circuit breaker to the electrical circuit. The circuit includes a bidirectional cell including a set of forward switches for power flow during a forward mode of op...  
WO/2018/236570A1
A transient signal protection circuit includes an input node coupled to a signal line configured to carry an output signal from a first circuit to a second circuit, wherein the signal line is subject to experiencing an unwanted reverse s...  
WO/2018/231899A1
Electrical cables with integral surge protection are disclosed. An example electrical cable surge protector (100) includes an electrically insulated cable; first and second plugs (104, 106); and a surge protection circuit (102) electrica...  
WO/2017/144845A9
The present invention provides for an electronic isolator device for application in intrinsically safe environments having isolation and safety functionality and comprising: an isolator module (101), a safety module (100), and wherein th...  
WO/2018/227175A1
A preheating power supply (208) and an interconnection cable (304) are disclosed. A preheating power supply (208) includes power conversion circuitry configured to output welding-type power via a first output power connector (230) and a ...  
WO/2018/223329A1
A control system and device for suppressing an inrush current, and application method thereof. The control system for suppressing an inrush current comprises: a control end (10), an application device (30), and a controller (20). The con...  
WO/2018/217154A1
A device comprising at least two controllable reactance elements (1) arranged to compensate a single phase-to-earth fault current in a power network with a power transformer (3).The at least two controllable reactance elements (1) are ea...  
WO/2018/209604A1
A drive circuit (10) and an electronic device. The drive circuit (10) comprises a first switch circuit (101), a protection circuit (102), and a clamping circuit (103). The first switch circuit (101) comprises a control end (101A), an inp...  
WO/2018/211391A1
A system and method is presented for lowering inrush current to an uninterruptible power supply. During a startup phase, an AC voltage is applied to the secondary winding of a transformer interposed between an input power supply and a re...  
WO/2018/212014A1
The present invention balances avoidance of excessive standby power loss with supplying of large current, and uses simple configuration to electrically connect a power storage device and a load which is for onboard use in a vehicle and w...  
WO/2018/178653A3
A high temperature superconductor, HTS, tape (100) for detecting a quench in a superconducting magnet. The HTS tape comprises an HTS layer (101) of HTS material supported by a substrate (102). The HTS layer is divided into a plurality of...  
WO/2018/206345A1
The invention relates to an encapsulated spark-gap based surge voltage protector (2) having two, at least partially opposing, main electrodes (4, 5) and at least one trigger or auxiliary starting electrode (3) and an arc chamber (6) arra...  
WO/2018/207054A1
The invention relates to an electrical circuit (21) for charging a secondary battery (22) that comprises a dc-converter (23), wherein the dc-converter (23) comprises an input connector(24) to an input dc voltage (25) and an output connec...  
WO/2018/203771A1
Proposed is an arrester for protecting elements of electrical equipment or an electric power line against the effects of lightning, comprising an insulating body made of a dielectric material, and five or more electrodes which are mechan...  
WO/2018/200102A1
Embodiments of the disclosure include a fault current limiter (FCL) providing symmetrical electrostatic shielding. In some embodiments, a FCL includes a superconductor maintained at a first voltage greater than zero voltage, and an enclo...  
WO/2018/200266A1
A crowbar circuit includes a first inductor coupled to a positive terminal of a power supply at a first terminal of the first inductor and coupled, at a second terminal of the first inductor, in series with a main thyristor having a main...  
WO/2018/192132A1
Disclosed are an electric vehicle and an active discharge module, a drive apparatus and an electric drive system thereof. The active discharge module comprises a discharge branch connected in parallel to a direct-current support capacito...  
WO/2018/192713A1
The invention relates to a lightning and overvoltage protection device for data networks, telephony services, electroacoustic installations or bus systems having at least two grid-side input terminals and at least two output terminals, t...  
WO/2018/192826A1
The invention relates to a fault current limiter for medium-voltage switchgears, wherein means for limiting the fault current are provided which can be activated at the latest in the presence of a fault current or which are inherently ac...  
WO/2018/192977A1
The disclosure comprises an uninterruptible power supply (UPS) (100) for an electrical load, having a first current path (101) and a second current path (103) which are designed to supply the electrical load with electrical energy, a fir...  
WO/2018/192873A1
An intrinsically safe electrical circuit comprising a power supply, a load and a cable connecting said power supply and said load and comprising positive and negative cores, in which said circuit comprises an incendive arc prevention mec...  
WO/2018/189035A1
A power module (10) comprises two semiconductor elements (12) connected in series; two DC terminals (20, 22), each DC terminal (20, 22) providing an electrical connection to an outer end of the series connection of the two semiconductor ...  
WO/2018/188753A1
A circuit arrangement (100) is disclosed that is electrically connectable in a current path (1). The circuit arrangement (100) comprises at least one switching element (20, 30, 40), comprising at least a first terminal (21, 31, 41), a se...  
WO/2018/149649A3
The invention relates to an electronic circuit-breaker for a load (RL) that can be connected to a low-voltage dc-voltage network, the circuit-breaker consisting of assemblies provided between input terminals and the load and said assembl...  
WO/2018/191436A1
The present disclosure pertains to novel systems and methods that incorporate advanced inference algorithms can be developed to detect floating neutrals using phasor measurements. In one aspect, the present disclosure relates to the use ...  
WO/2018/188897A1
The invention relates to a disconnection and switch-over device for overvoltage protection, particularly for DC systems, comprising at least one arresting element, and a thermal cut-off point incorporated into the electrical interconnect...  
WO/2018/188773A1
The inventive method is designed for improving the protection of MV network (1) grounded through the Petersen-coil device (7) and equipped with at least one of intelligent electronic devices lEDs (61....6n) as a protection device for pow...  
WO/2018/186587A1
Disclosed are a power stabilization circuit and a display device to which the same is applied. The power stabilization circuit comprises: a thermistor provided on a first path through which input power is supplied, so as to limit the inr...  
WO/2018/184671A1
The invention relates to a multi-phase multi-stage power converter (MMC), comprising a phase module (PM1, PM2, PM3), which has a power converter module (UL, UH), which is formed from a plurality of two-pole sub-modules (SM) connected ele...  
WO/2018/177238A1
Disclosed are a static electricity protection circuit, a circuit board and a static electricity protection method. The static electricity protection circuit comprises a first relay (101) and a second relay (102), wherein control ends of ...  

Matches 201 - 250 out of 12,982