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Matches 601 - 650 out of 12,862

Document Document Title
WO/2015/045107A1
Provided is an inrush current limiting circuit provided with a second semiconductor switch in which an inrush current limiting circuit such that a series circuit of an inductor and a current detection resistor is connected between a powe...  
WO/2015/043237A1
A surge protection circuit for a PFC circuit. An L line and an N line of an alternating-current power supply are connected to the positive electrode of a PFC capacitor (C1) by means of a high-voltage diode module. A current limiting appa...  
WO/2015/046258A1
The purpose of the present invention is to provide a protection device capable of reliably protecting electronic or electrical equipment and having recovery properties even when an inrush current value is large or varies widely. This pro...  
WO/2015/038402A1
Techniques for improving electro-static discharge (ESD) performance in integrated circuits (IC's). In an aspect, one or more protective diodes are provided between various nodes of the IC. For example, protective diode(s) may be provided...  
WO/2015/036830A1
An electrical storage system includes an electrical storage device (10), a load (20), a positive electrode line, a negative electrode line, a first relay (MC1), a second relay (MC3), a third relay (MC2), a drive circuit (30) and a contro...  
WO/2015/036483A1
A system for transporting electric power to a subsea node, the system comprising a first direct current power unit, a second direct current power unit, a referenced earth operatively connected to the first and second power units and disp...  
WO/2015/035017A1
The present subject matter relates to a battery module 22 for use in a vehicle 10. The battery module 22 may include a housing 50, a plurality of battery cells 54 disposed within the housing 50, and solid state pre-charge control circuit...  
WO/2015/030069A1
In the present invention, the current command value during the period from when a relay switch (SW) is turned on until charging of an inverter capacitor (C) is completed is set at a value that is smaller than a value corresponding to the...  
WO/2015/026816A1
A solid-state fault current limiter including a current splitting reactor, comprising a system current input, a passive current output and a control current output. A voltage control reactor includes a first end and a second end, the fir...  
WO/2015/026820A1
A fault current limiter circuit including a fast switch fault current limiter (FSFCL) and a voltage control reactor (VCR) operative to conduct load current during a steady state operation and limit load current when the load current exce...  
WO/2015/026570A1
A system and method for providing isolated power to the gate driving circuits used in solid state switching devices is disclosed. Rather than using expensive isolated AC/DC power supplies, an isolation transformer is used to provide isol...  
WO/2015/023711A1
Anti-arcing circuits (120, 310) are described herein that are configured to prevent or substantially mitigate arcing when a power adapter (118) is connected/disconnected from a client device (102). The anti-arcing circuit (120) restricts...  
WO/2015/023452A1
An arrester bypass device can include a switch having an normal state and an operated state. The arrester bypass device can also include a first electrode mechanically coupled to the switch, where the first electrode is held when the swi...  
WO/2015/022017A1
Protection of communication lines are described herein. In at least some examples herein, a communication line (102) interfaces an emitter terminal (104). A controllably conductive device (208) has a first main load terminal (218), a sec...  
WO/2015/021801A1
A surge protection device and method. The device comprises a switch protector (10) with at least three electrodes. When an interelectrode voltage of the switch protector (10) between two electrodes of the at least three electrodes reache...  
WO/2015/018719A1
The invention relates to a spark gap arrangement (FSA) with a triggerable spark gap (TF) and a trigger circuit (TRG). The spark gap arrangement (FSA) further comprises a first and a second charge storage device (C1, C2), a voltage limiti...  
WO/2015/014248A1
A magnetoresistive current limiter, comprising a substrate (1), a magnetoresistive sensor layer (2), a first insulating layer, a coil (4), a second insulating layer, a magnetic shield layer (6), and an input electrode (8) and output elec...  
WO/2015/014551A1
The invention relates to an overvoltage protection circuit (1) for a first sub-system (T1) of a multi-voltage vehicle electrical system (100). The multi-voltage vehicle electrical system comprises the first sub-system (T1) having a first...  
WO/2015/015831A1
Provided is a current-limiting reactor device with which the ratio of the increase in the fault current can be suppressed without increasing the process energy of a surge absorber possessed by a direct current breaker installed in a dire...  
WO/2014/195395A3
Commonly, a transient protection filter circuit is integrated between power sources and the circuits that follow to suppress voltage transients. Pre-existing transient protection filters are implemented such that when a transient is dete...  
WO/2015/012193A1
An objective of the present invention is to provide a protection device whereby it is possible to provide appropriate protection against excess current and anomalously high temperatures, with a large holding current and no mechanical con...  
WO/2015/008782A1
Provided is an electronic device, in which a trouble caused by a short circuit fault between an outer shell of a connector and a power supply terminal can be prevented. The electronic device is provided with a connector for connecting th...  
WO/2015/007621A1
A voltage limiter (40), for controlling a voltage of a DC power transmission medium (28), comprises: first and second DC terminals (42, 44), the first DC terminal (42) being operatively connectable to the DC power transmission medium (28...  
WO/2015/000746A1
An electrostatic discharge protection circuit is proposed comprising a series connection of a pull-up resistor (PR) and a trigger device, connecting a first and a second supply terminal (VDD, VSS). A coupling device is connected between ...  
WO/2015/000568A1
The invention relates to an electronic circuit (1) for charging a rechargeable battery (15) of a fan filter device (20), which rechargeable battery can be supplied with energy by an external source of electric energy. The invention furth...  
WO/2014/206006A1
A method for waveform-analysis-based vacuum circuit breaker chopping current suppression, comprising: extracting a waveform generated when a vacuum circuit breaker switches off a reactor, using a Kaiser window to analyze and process the ...  
WO/2014/208528A1
An electronic device (100) is provided with a printed wiring board (1) that has first wiring line (L1) and a second wiring line (L2). A first semiconductor device (11), which has a first terminal (P1) and a second terminal (P2), and a PT...  
WO/2014/209311A1
An autonomous adaptive arc fault detection device includes a memory for storing data of arc fault tripping events detected on a circuit over a period of time. The device also includes a processor, in communication with the memory, for de...  
WO/2014/202398A1
The invention relates to an electrical device (1), which has at least one electrical consumer (8) and/or at least one electronic consumer (9) and an electrical connection (10) provided for connecting the electrical device (1) to an elect...  
WO/2014/205120A1
In described examples, a charge pump (2) is powered by a first reference voltage (VDD) and produces a control voltage signal (VCP) on a control conductor (3). A ground switch circuit (15) includes a depletion mode transistor (MP 1) havin...  
WO/2014/167427A9
A system, method, and/or computer program product comprises an input/output (I/O) bus and an intelligent current bank that couples a voltage source to the I/O bus. The intelligent current bank includes an ammeter that measures a real-tim...  
WO/2014/195043A1
The invention relates to a bus system (11) for forming communication interfaces in a vehicle, comprising at least two different bus lines (20, 30). The two bus lines (20, 30) are both electrically coupled to one and the same first voltag...  
WO/2014/194813A1
An ion air purifier. The ion air purifier comprises a generation pole and a collection pole which are oppositely arranged. A potential difference exists between the generation pole and the collection pole, and at least one first projecti...  
WO/2014/189258A1
Disclosed is a current limiting device. The current limiting device comprises: a first current limiting part for limiting a current when a current more than or equal to a first threshold is applied; a second current limiting part for lim...  
WO/2014/183820A1
The invention relates to a method for controlling a connection of a high-voltage source (34) of a motor vehicle (10) to a high-voltage network (32) of the motor vehicle (10), in that first at least one test value for an electrical operat...  
WO/2014/186577A2
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/2014/153151A3
Apparatus and methods for selective protection of an electrical load from disturbances on an input power line. A power protection circuit includes a selectively variable inrush current limiting circuit and a switch for disconnecting the ...  
WO/2014/180184A1
A transient and direct-current synchronous trigger type power clamp ESD protection circuit. The ESD protection circuit comprises´╝Ü a transient trigger module, a direct-current voltage trigger module and a discharge device, wherein the t...  
WO/2014/102445A8
The invention relates to a method and an arrangement for determining an end-of-life of an overvoltage protection element (2) by determining (101) a predefined voltage limit based on a nominal voltage, determining (102) a measuring voltag...  
WO/2014/169509A1
A power distribution network overvoltage protector equipped with a ring-shaped electrode and distanced grades, comprising: a bracket (1), wherein an insulator (2) and a lightning arrester (3) are respectively arranged on the bracket (1);...  
WO/2014/172548A1
A base element and a surge protection system incorporating the base element are provided. The base element includes a housing having a front portion and a rear portion. Apertures in the rear portion provide access to contacts secured wit...  
WO/2014/170361A1
The present invention relates to a downhole wireline tool for performing an operation in a well at a depth of up to 15 km downhole, the tool being powered by direct current at a predetermined voltage in a first end by a power supply unit...  
WO/2014/166130A1
The present invention relates to an overvoltage protection device and protection method for an alternating current side of a flexible direct current transmission system. The protection device is connected to both ends of a grounding resi...  
WO/2014/166129A1
An overvoltage protection device and protection method for a direct current side of a flexible direct current transmission system. The protection device (7) is connected to a positive electrode and a negative electrode of a direct curren...  
WO/2014/167427A1
A system, method, and/or computer program product comprises an input/output (I/O) bus and an intelligent current bank that couples a voltage source to the I/O bus. The intelligent current bank includes an ammeter that measures a real-tim...  
WO/2014/166658A1
Field device (FG) in process automation engineering comprising a protective circuit (SS) between a communication interface (K) of the field device (FG) and a signal processing unit (BE) of the field device (FG), wherein the communication...  
WO/2014/166660A1
There is a current limiter (10) for selectively limiting a rate of change of current in a DC electrical network. The current limiter (10) comprises: a first electrical block including an inductive element (24); and a second electrical bl...  
WO/2014/167064A1
The invention relates to a protective circuit for protecting an output stage (5) in the event of faulty contacting of the electrical connections (2, 3, 4), wherein the output stage (5) consists of a driver unit and has an analog or digit...  
WO/2014/166262A1
An overvoltage protection device and protection method for an alternating-current side of a flexible direct-current power transmission system. A protection device (7) is connected to the two sides of a grounding resistor (6) at the side ...  
WO/2014/166751A1
The invention relates to an arrangement for overload protection for overvoltage protection equipment that has at least one voltage-limiting element and at least one voltage-switching element, and optionally with a back-up fuse, wherein t...  

Matches 601 - 650 out of 12,862