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Patent Searching and Data


Matches 701 - 750 out of 12,748

Document Document Title
WO/2013/134392A1
An electrical breakdown limiter circuit and method for a high voltage power supply includes an inductor having an inductor input and an inductor output wherein the inductor is electrically coupled in series between a high voltage output ...  
WO/2013/131897A1
The invention relates to a circuit assembly for the state monitoring and logging of overvoltage protection devices or overvoltage protection systems by means of pulse current monitoring, comprising at least one passive RFID transponder h...  
WO/2013/128148A1
A control circuit (20) comprising: first and second terminals (22,24) for respective connection to first and second power transmission lines (26,28); a current transmission path extending between the first and second terminals (22,24) an...  
WO/2013/128700A1
A control unit (20) of this power supply apparatus calculates a battery voltage on the basis of a capacitor voltage and a resistance value of a resistor (14) of a pre-charge circuit (13), said capacitor voltage having been detected by me...  
WO/2013/120259A1
An integrated circuit device (200) includes a first and second differential I/O pins (TRXP/TRXN) and a surge protection circuit. The surge protection circuit includes a protection transistor, a positive surge detection circuit, and a neg...  
WO/2013/120101A1
A low let-through voltage surge suppression or protection circuit for protecting hardware or equipment from electrical surges. During operation when no surge condition is present, the circuit allows propagation of signals from a source t...  
WO/2013/114602A1
Provided is an elevator control device with which, even if a protection circuit is not disposed between an inverter and a motor, it is possible, without increasing the size of an apparatus which is connected to a main line, to protect th...  
WO/2013/108651A1
Provided is an interrupt device for RF signal with a novel configuration which has a function capable of reliably cutting off an RF signal in the prescribed frequency range after an RF signal having an RF power value greater than or equa...  
WO/2013/107320A1
A surge protection circuit comprises an input end used for providing a DC power supply, an output end used for connecting a final-stage circuit (13), a shutdown circuit (11) connected to the output end, and a bleeder circuit (12) connect...  
WO/2013/104218A1
An electrostatic discharge (ESD) protection circuit and a display device comprising the protection circuit. The protection circuit comprises a first depletion mode thin-film transistor (31), a second depletion mode thin-film transistor (...  
WO/2013/104222A1
An electrostatic discharge protection circuit and a working method therefor, relating to the field of displays, for rapid discharge of an electrostatic charge while preventing discharge of a signal in the form of a leakage current. The c...  
WO/2013/072467A9
The invention relates to a method for disconnecting an electrical connection of an overvoltage protection element (12), intermediately connected between two connecting points (16, 18), from one of these connecting points (16), having a f...  
WO/2013/097590A1
A full-model overvoltage protection module for an alternating current circuit, integrating a first alloy-type temperature fuse (TCO1), a second alloy-type temperature fuse (TCO2), a third alloy-type temperature fuse (TCO3), a first varis...  
WO/2013/100429A1
The present invention provides a fault current limiter which can reduce an abnormal current, such as a fault current, in a power system through the magnetic turn-off which increases the reactance of an electric circuit by changing the ma...  
WO/2013/102012A1
A device (186) includes a first thyristor element (188) configured to be coupled to a first voltage line (114) and a second voltage line (116), wherein the first voltage line is configured to transmit power in a first phase and the secon...  
WO/2013/097591A1
A protector for preventing a lithium battery from being charged by an overvoltage adopts two shaft-like temperature fuses in series, the temperature fuses being connected in series in a positive electrode loop of a circuit; one end of a ...  
WO/2013/094886A1
Disclosed is an inrush current suppressor circuit of a power supply circuit that supplies stand-by voltage from AC voltage. At a stand-by mode, only a diode and a resistor for suppressing inrush current are provided, and a capacitor prov...  
WO/2013/093273A1
The device according to the invention (2) comprises a first breaker (201) able to directly connect the load (LD) to the electrical energy storage unit (BAT) and a second breaker (202) able to connect the load to the electrical energy sto...  
WO/2013/094822A1
The present invention includes an input-side transient phenomena suppressing unit that is connected to a power supply and a load facility in parallel and suppresses an over-voltage and an over-current supplied from the power supply, an i...  
WO/2013/095186A1
The invention relates to means for protecting objects from damage when subjected at high intensity to atmospheric electricity, and specifically to means for protecting buildings and installations from lightning. The active lightning cond...  
WO/2013/091834A1
The invention relates to a low-, medium-, or high-voltage voltage switchgear with circuit breaker or circuit breakers which switches electrical equipment, according to the preamble of claim 1. In order to protect the switchgear, especial...  
WO/2013/087443A1
The invention relates to an electronic apparatus 1 supplied by a supply block 10 connected to an electrical network of the mains type, intended to be connected to a transmission line 5, 3 comprising two conducting elements 6, 7 and to a ...  
WO/2013/082668A1
Described herein are fault current limiters including an input terminal for electrically connecting to a power source that provides a load current, and an output terminal for electrically connecting with a load circuit that draws the loa...  
WO/2013/081189A1
A technique is provided which realizes a prevention of a relay operation under a reverse connection of a battery and suppresses a voltage drop of a driving current path of a relay circuit. In a relay device 100, from a source voltage Vba...  
WO/2013/072263A1
A circuitry arrangement (5) for grounding a connector (PV-) of a photovoltaic generator (1) includes a grounding path (6) extending from the connector (PV-) towards earth potential (PE) and a limiting circuit (7) in the grounding path (6...  
WO/2013/072467A1
The invention relates to a method for disconnecting an electrical connection of an overvoltage protection element (12), intermediately connected between two connecting points (16, 18), from one of these connecting points (16), having a f...  
WO/2013/067704A1
A lighting device comprises a light engine (102) with one or more LEDs (104), a drive circuit (108) coupled to the light engine (102) and energized the light engine (102) with a drive signal current, and a protection device (114) coupled...  
WO/2013/067205A1
A block power switch may be embedded with electrostatic discharge (ESD) protection circuitry. A transistor portion of the block power switch may be allocated to act as part of ESD protection circuitry and may be combined with an RC clamp...  
WO/2013/024029A3
The subject matter of the invention is an overvoltage protection device with one or more overvoltage protection elements (TVS, GDT) and a measuring device (1) for monitoring the overvoltage protection elements (TVS, GDT), having an evalu...  
WO/2013/066947A1
An apparatus is provided to electrically protect a circuit for USB protection against excessive voltage and/or current such as ground loop damage. A circuit is connected between electrical components where at least one of the connections...  
WO/2013/041309A9
The invention relates to an airworthy CAN bus system having a plurality of subscribers which are networked to one another by a CAN bus having dual redundancy and are able to interchange data, wherein a bus master polls the other bus subs...  
WO/2011/116488A8
The invention relates to a method and apparatus for suppressing an inrush current of a three-phase transformer (15) connected to a three-phase power supply via a triple- pole circuit breaker (20), the transformer (15) being connected and...  
WO/2011/038969A3
The invention relates to a free-wheeling circuit for the rapid reduction of a shutdown overvoltage of an inductive load (1) when the latter is shut down. The free-wheeling circuit comprises a switching threshold component (11) by which t...  
WO/2012/038150A3
The invention relates to a method for adjusting a voltage of a DC intermediate circuit in a battery system composed of a battery and a drive system. The battery is connected to the drive system via the DC intermediate circuit and compris...  
WO/2013/052724A1
Input/output power and signal transfer and power and signal isolator device (101) using pulsed, alternating or high frequency signal current having a capacitive structure which provides power and signal limiting control, unidirectional p...  
WO/2013/052054A1
A system and method for providing symmetric, efficient bi-directional power flow and power conditioning for high-voltage applications. Embodiments include a system that comprises a first normally-on junction field-effect transistor (JFET...  
WO/2013/018072A3
An impedance emulator device (5-8, 15) which is variable in a controlled manner comprises an inductor (L) connected between a first and a second terminal (2, T), an ordered array (5) of solid-state electronic switches (Ql, Q2), connected...  
WO/2013/019284A3
A circuit interrupter, such as a GFCI or AFCI product, is provided having a suppression and protection circuit and circuit interrupter circuitry. In one configuration, a semiconductor device and a voltage clamping device or surge protect...  
WO/2013/017366A3
The invention relates to an over-voltage protection device for protecting a high-frequency connection from over-voltage. Over-voltages can be compensated for by a coil assembly (1) which consists of coils (L1, L2) electrically in series ...  
WO/2012/123014A3
A current-limitation system for limiting a current through an DC connection in case of a fault occurring in a DC grid of which the DC connection forms a part is provided, as well as a method of operating a current-limitation system for l...  
WO/2013/041309A1
The invention relates to an airworthy CAN bus system having a plurality of subscribers which are networked to one another by a CAN bus having dual redundancy and are able to interchange data, wherein a bus master polls the other bus subs...  
WO/2013/037589A1
The invention relates to a direct current circuit breaker (100) with a first to fifth node, wherein • - a first breaker (110) is arranged between the first node (101) and the fourth node (104), • - a second breaker (120) is arranged ...  
WO/2013/036696A1
In the field of motor protection for industrial automation systems, HVAC systems, pumping systems, and/or similar implementations, improved motor starters and overload electronics (104) can be configured to offer substantially automatic ...  
WO/2013/036670A1
Starter apparatuses are provided for multiple-winding motors. Such starters can function with a single/combined overload device/circuit, rather than requiring multiple overloads relays and separate overload trip circuits for each motor w...  
WO/2013/027121A1
A circuit is disclosed that includes a transistor configured to control energy entering into the circuit from a power supply. A capacitor is coupled to the transistor to store the energy that enters the circuit, and a protection circuit ...  
WO/2013/027118A1
Aspects of the disclosure provide a circuit. The circuit includes a depletion mode transistor coupled to a power supply and a current path coupled with the depletion mode transistor in series to provide a current to charge a capacitor. T...  
WO/2013/024462A1
A fault current limiter is provided that comprises a magnetically saturable core. The first core includes a first leg, a second leg, with a first AC coil wound on the second leg, a third leg, with a second AC coil wound around the third ...  
WO/2013/025117A1
The automatic control panel (ACP) relates to systems for automatically controlling technical equipment in power engineering, in transport, and in various sectors of industry, housing and communal services and agriculture and can be used ...  
WO/2013/020853A1
A circuit assembly for protecting against electrostatic discharges comprises a shunting device (ECL), which is suitable for shunting an electrostatic discharge between a first connection contact (IO) and a second connection contact (VDD,...  
WO/2013/017159A1
A current limiter (10) comprises a plurality of electrically conductive wires (12,14) shaped to define two or more primary coils (18, 20), the primary coils (18, 20) being connected in parallel; and at least one electrically superconduct...  

Matches 701 - 750 out of 12,748