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Patent Searching and Data


Matches 551 - 600 out of 12,732

Document Document Title
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...  
WO/2014/162950A1
This current-limiting device (10), which uses a superconductor to limit current flow, is provided with the following: a superconducting current-limiting element (8) containing a superconductor; a capacitor (series capacitor (1)); an indu...  
WO/2014/164182A1
A device includes a snapback clamp circuit configured to clamp a supply voltage in response to the supply voltage exceeding a trigger voltage level. In at least one embodiment, the snapback clamp circuit includes a clamp transistor and a...  
WO/2014/161033A1
A surge reduction filter (SRF) includes a cartridge having a cartridge housing, a first active connection point for connection to an active line of an AC power supply, and a neutral connection point for connection to a neutral line of th...  
WO/2014/162949A1
This current-limiting/flow control device (10) is provided with the following: a superconducting current-limiting element (8) that contains a superconductor; a series capacitor (1); and a parallel circuit. The series capacitor (1) is con...  
WO/2014/155289A1
The invention discloses a short circuit protection device (100) which comprises a first terminal (110), a second terminal (120), a third terminal (130), a fourth terminal (140), wherein the third terminal and the fourth terminal are conf...  
WO/2014/153779A1
According to one aspect, embodiments herein provide a power distribution device including a power outlet comprising a receptacle including an internal conductor configured to be coupled to a power source and to an external conductor inse...  
WO/2014/158715A1
ABSTRACT OF THE DISCLOSURE A circuit interrupting device having an auto-monitoring circuit for periodically testing various functions and structures of the device. The auto-monitoring circuit initiates an auto-monitoring routine which, a...  
WO/2014/158720A1
A circuit interrupting device having an auto-monitoring circuit for automatically testing various functions and structures of the device. The auto-monitoring circuit initiates an auto-monitoring routine which, among other things, establi...  
WO/2014/150152A1
A current limiter system includes a superconducting fault current limiter (SCFCL) operative to conduct load current during a normal operation state in which the SCFCL is in a superconducting state. The current limiter system also include...  
WO/2014/147093A1
A method of establishing current limits for each of a plurality of device couplers mounted on a trunk of an electrical circuit at distributed physical positions, in which each of said device couplers is capable of servicing one or more s...  
WO/2014/150280A1
An apparatus is described. The apparatus includes an input device. The apparatus also includes a positive supply voltage pad. The apparatus further includes an input signal pad. The apparatus also includes a ground pad. The apparatus fur...  
WO/2014/153151A2
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/2014/141634A1
A load controller (10) is provided with a main switching unit (1), a control circuit (4), and a protection circuit (5). The protection circuit (5) is provided with a varistor circuit (18) and a diode circuit (8). The varistor circuit (18...  
WO/2014/143603A1
In some embodiments, a system includes multiple coils of a multi-phase machine in which the coils are each associated with a different phase. Associated with each coil is a protective element such that each protective element is associat...  
WO/2014/140359A1
An electrostatic discharge (ESD) protection device with a high holding voltage is disclosed including at least an ESD clamp coupled to a holding voltage tuning circuit. The ESD clamp may be coupled to the holding voltage tuning circuit t...  
WO/2014/136229A1
In order to obtain an electric power conversion device whereby equipment can be made more compact and cost less, and the time until restarting operation after an accident can be reduced, in a DC power transmission grid that connects a pl...  
WO/2014/135351A1
The invention relates to an overvoltage protection device with a short-circuit function for protecting installations and persons for low-voltage installations, wherein at least one overvoltage protection element and a thermally activatab...  
WO/2013/171186A3
The invention relates to a rail vehicle circuit arrangement, having at least one transformer (20) which, in a first operating mode, is electrically connected to a drive unit (28) and to a railway power supply system (12), and in a second...  
WO/2014/133750A1
A ground fault protection system (216) is disclosed. The ground fault protection system may include a controller (306) that is configured to receive signals representing a ground fault detection voltage and a DC link voltage of a machine...  
WO/2014/132067A1
A fault current limiter (FCL) has a core structure with a first and second magnetisable core members and an AC magnetomotive force source configured to generate a varying magnetic flux in at least a portion of the first and second magnet...  

Matches 551 - 600 out of 12,732