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Patent Searching and Data


Matches 501 - 550 out of 12,862

Document Document Title
WO/2016/059207A1
The invention relates to a method and a device for overvoltage limiting of an output voltage at the output of an AC voltage generation arrangement (131) with an inverter circuit unit (14) by means of a surge-limiting device (1), comprisi...  
WO/2016/058794A1
The present invention is concerned with pre-magnetizing a Modular Multilevel power Converters (MMC,5) connected transformer (3) in order to moderate inrush currents upon connecting the transformer to an electric grid (1). The invention t...  
WO/2016/054719A1
A varistor failure detector includes one or more surge detector in communication with a varistor, to detect surges shunted by the varistor and a processor, in communication with the at surge detector(s). The processor is programmed to co...  
WO/2016/055106A1
The invention relates to a power converter arrangement (1) with a power converter (2), which can be connected to a DC voltage line on the DC voltage side and to a multiphase AC voltage line (7) on the AC voltage side, and with a short-ci...  
WO/2016/053977A1
An isolator protection device can include a housing having at least one wail and a first coupling feature, where the at least one wall forms a cavity, where the first coupling feature is configured to couple to an arrester, and where the...  
WO/2016/050907A2
The invention relates to an overvoltage protection device with a monitoring function (1), comprising a parallel connection of two current branches (A, B), wherein the first current branch (A) comprises a first overvoltage protection devi...  
WO/2016/045200A1
Provided are a surge suppression and electric spark elimination structure of a power connection device. Disposed between an input end (A) and an output end (B) of a power connection device (10) are a first electrical contact (12), a seco...  
WO/2016/044726A1
A charging device configured to charge a plurality of electronic devices includes an electrical load management system configured to limit an inrush current. The system includes a plurality of switches coupled between a common alternatin...  
WO/2016/041601A1
The present invention relates to an electric machine assembly comprising an electric DC or AC machine having a plurality of power terminals for supply of a DC or AC generator voltage and receipt of a DC or AC input drive voltage. A motor...  
WO/2016/041377A1
A protection apparatus, an electronic device and a power supply. The protection apparatus (100) comprises a one-way transient voltage suppressor (TVS) (120) and a switching type protector (110). The negative electrode of the one-way TVS ...  
WO/2016/037335A1
Embodiments of the present disclosure provide a protective circuit to be used in a digital output module, the digital output module comprises a first voltage source (SI) and at least an output terminal. The protective circuit comprises: ...  
WO/2016/037854A1
A voltage source converter (10; 80; 90), for interconnecting first and second electrical networks, comprises a converter structure (12) which includes a first terminal (14) for connection to the first electrical network (16) and a second...  
WO/2016/034121A1
A lightning protection circuit and method for a direct-current power supply port of a communication device. The circuit comprises: a differential-mode first-stage lightning protection circuit, which roughly limits an abruptly changing vo...  
WO/2016/034426A1
Arrangement for secure system isolation of surge arresters, particularly varistors 1, in the presence of temporary overvoltages as a result of a fuse 4 in series with the surge arrester 1 tripping out, wherein the surge arrester 1 has a ...  
WO/2016/030483A1
The invention relates to an electronic circuit breaker (1) with a semiconductor switch (2), the drain connection (D) of said semiconductor switch and the source connection (S) of said semiconductor switch being connected between a voltag...  
WO/2016/029320A1
An LED lamp tube and driver circuit that is direct replacement for fluorescent tubes with or without ballasts, that works with standard AC high voltage current input, with high frequency pulse current input, or with lower voltage input. ...  
WO/2016/029890A1
A method for automatic setting an arc suppression coil (9) using an auxiliary signal (14) supplied to the point of zero-sequence component of an electrical system (10). The auxiliary signal (14) is formed by a current or voltage with var...  
WO/2016/030251A1
A device for monitoring at least one physical or chemical process variable, comprising at least one sensor unit (2) and an electronics unit (4) for signal detection, signal evaluation, and/or signal power supply, wherein the sensor unit ...  
WO/2016/028842A1
A system has a plurality of circuits (210, 220, 230) each having an individual ground connection ("Old" HUB GND). The system further has a common ground connection (Chassis GND) connected with each ground connection of each circuit of th...  
WO/2016/026522A1
The invention relates to an overvoltage protection device comprising a protection circuit, a diagnosis circuit, and communication means, which diagnosis circuit and communication means are designed to ascertain information about the func...  
WO/2016/019641A1
A main transformer neutral point overvoltage protection device is characterized by comprising a base (5), a transient high-frequency overvoltage absorption protection unit (a) and a rod gap power frequency overvoltage protection unit (b)...  
WO/2016/022531A1
Lighting and surge protection circuitry for protection of a differential pair includes a diode bridge circuit having a first pair and a second pair of connections to the diode bridge circuit, with the first pair of connections configured...  
WO/2016/021677A1
[Problem] To provide a solar output optimizer circuit equipped with a means for protecting a transistor from a surge voltage occurring in an inductor when a photovoltaic panel continues to operate stably even at a low power in a very low...  
WO/2016/012301A1
The invention relates to a method (100) for controlling an at least generator-operable multi-phase electric machine (1), the phase connections (U-Y) of which are connected in an active bridge rectifier (2) respectively to a first DC curr...  
WO/2016/008869A1
The subject matter of the invention is a device (1) that is for detecting a surge arrester overload and that has: an inductive coupling device (L), with which a current through the surge arrester (A) to be monitored is obtained; and a fi...  
WO/2016/011404A1
A fuse system protects an electric fence box 102 from lightning strikes that hit a fence 118 connected to the electric fence box 102 via the fuse system. The fuse system includes at least one fuse 108 connecting an output terminal 104 of...  
WO/2016/008804A1
An electrical bypass apparatus (10) comprises: first and second terminals (12,14) for connection across an electrical component (52); an electrically-triggered bypass switch (16) being switchable to form a short circuit across the first ...  
WO/2016/008978A1
For a device (1) for reducing residual current in an electrical circuit (2), in particular an electrical low-voltage line, wherein the device (1) has a residual current sensor (3) and a current measuring unit (4), wherein an output of th...  
WO/2016/008518A1
The present disclosure relates to a valve unit (100) comprising an enclosure (130), a plurality of cells (120) and a high voltage (HV) shield arrangement (140). The enclosure extends along an axial direction (112) and includes a solid in...  
WO/2016/007489A1
A circuit breaker device includes plural bridges conductively coupled parallel to each other between plural terminals that are configured to be conductively coupled with a power source and a load. The bridges include first and second out...  
WO/2016/000821A1
The invention relates to a device (2) for an electrical impedance tomograph (3) with an electrode carrier (4), a first and a second skin electrode (6, 8) which are arranged on the electrode carrier (4) at a distance from each other and i...  
WO/2016/000327A1
An overvoltage protection apparatus for an air conditioner, comprising: a protection component, which is connected in series between an inputted alternating-current terminal and a first input terminal of a rectifier; a controllable switc...  
WO/2016/000234A1
A lightning-proof protective circuit comprises a bidirectional data signal input terminal (10), a cable television signal input terminal (20), an AC power supply input terminal (30), a first protective circuit (40) providing lightning-pr...  
WO/2016/000080A1
This invention describes a method and an electrical circuit for controlling the closing of a three-phase circuit breaker with simultaneous pole operation to mitigate the inrush current resulting from power transformer energization by tak...  
WO/2015/198328A1
A -protection circuit may be configured for detecting electrical power of downlink radio frequency (RF) signals, and diverting a substantial portion of the downlink RF signals away from a downlink RF interface of a distributed antenna sy...  
WO/2015/194953A1
A control device for an electrical load comprises a thyristor-switched dimmer circuit (D), which dimmer circuit comprises a thyristor between a feed line (Vline) and the load (LED) in order to generate an adjustable power output to the l...  
WO/2015/189437A1
Method for reducing the inrush current of an inductive load, particularly a transformer, comprising the following steps: • a) connecting a DC power source (4) to the transformer for a time tc, to magnetize its magnetic core until satur...  
WO/2015/191840A1
A system of surge suppressor units (20) is connected at multiple locations on a power transmission and distribution grid to provide grid level protection against various disturbances before such disturbances can reach or affect facility ...  
WO/2015/188752A1
A novel thermal-protection metal-oxide varistor and a surge protector. The novel thermal-protection metal-oxide varistor comprises a metal-oxide varistor (MOV) and an alloyed thermal cutoff (TCO). The metal-oxide varistor comprises a met...  
WO/2015/183428A1
An apparatus includes an input/output (I/O) pin and an electrostatic discharge device. The electrostatic discharge device is coupled to the I/O pin and to a voltage regulator.  
WO/2015/183399A1
An input N-plexer filter stage is susceptible to receive surge energy via an input conductor, when the surge energy occurs. A high-pass filter included in a diplexer filter stage applies a radio frequency (RF) signal in a signal path bet...  
WO/2015/180413A1
A protection circuit and an electronic device. The circuit comprises a power supply input interface (101), a discharge tube (102), a first cored inductor (103) and a power supply circuit (104), wherein a first end of the power supply inp...  
WO/2015/181014A1
The invention relates to an electronic component (10) comprising a plurality of functional layers (3) arranged on top of each other to form a stack, comprising first inner electrodes (1), and comprising second inner electrodes (2). Each ...  
WO/2015/179027A1
A universal serial bus (USB) charger provides power to a client device. A USB connector interfaces with a client device and receives a request for the output voltage of the USB charger to be at a specific value. If the requested voltage ...  
WO/2015/174939A1
The present invention relates to an input protection (1), which enables to eliminate the problems resulting from voltage changes, and which has flexible operating voltage range, and basically comprises at least one reverse input protecti...  
WO/2015/172710A1
An explosion-proof circuit, charging circuit and charging/discharging protection circuit of a battery. In the explosion-proof circuit and charging circuit of the battery, when a load is short-circuited, the voltage at the output end of a...  
WO/2015/172532A1
Provided is a compact main transformer neutral point rod gap lightning arrester and grounding whole-set protecting device, comprising: a lightning arrester unit, a rod gap unit, and a grounded blade unit which are connected in parallel. ...  
WO/2015/162616A1
A fault current limiter is provided that comprises a fault current limiter comprising first, second and third magnetically saturable cores. The fault current limiter comprises a magnetic biasing arrangement arranged to produce a first ma...  
WO/2014/186577A3
An active transient voltage suppression device is disclosed which may utilize an activation network to turn on a semiconductor switch. The activation network may be triggered based on the rate of change of voltage on the protected input ...  
WO/2015/164445A1
Described is an apparatus and method for controlling current in a printed circuit board due to a surge or electrostatic discharge. The apparatus (300) includes a first interface (320, 325, 330, 370) providing a first signal to a main con...  

Matches 501 - 550 out of 12,862