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Matches 1 - 50 out of 4,777

Document Document Title
WO/2013/072263
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/2013/072467
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/2013/067704
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/2013/066947
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/2013/067205
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/2013/052724
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/2013/052054
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/2013/041309
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/2013/041309
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/2013/037589
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/2013/036670
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/2013/036696
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/2013/027121
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/2013/027118
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/2013/024462
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/2013/025117
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/2013/024029
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/2013/020853
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/2013/017159
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...  
WO/2013/017366
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/2013/018972
An over-current protection device of a second battery includes a main relay, an auxiliary relay connected to the main relay in parallel, and a controller, which protects a battery module by detecting a current restriction resistance and ...  
WO/2013/017110
An embodiment high efficiency power regulator comprises a three-terminal converter and a protection device. The three-terminal converter comprises a first terminal coupled to a positive terminal of an input voltage bus, a second terminal...  
WO/2013/018072
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/2013/019284
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/2013/018072
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/2013/019284
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/2013/014351
The invention relates to system for monitoring a rectifier (RED) to be connected to a polyphase power grid (RTR) in order to charge an electric battery (BAT) of an automobile, said rectifier (RED) including a switching means (MSWI) for r...  
WO/2013/011913
In the present invention, a main switch circuit (13) is provided between a power line (PL), to which an output voltage of a solar cell (11) is applied, and a battery unit (12). A protection circuit (19) turns the main switch circuit (13)...  
WO/2013/008152
Dislcosed is a surge protection device (10, 110) for an outdoor lighting fixture that includes a live connection (23A, 123A), a neutral connection (23B, 123B), and a ground connection (23C, 123C). A first varistor (42) and a second varis...  
WO/2013/007134
The present utility model relates to a short-circuit current limiting and protection device for an electrical circuit, which overcomes the deficiencies when a conventional short-circuit protection device is used in a multi-group electric...  
WO/2013/000361
Disclosed is an overvoltage protection module for a DC circuit, including a thermal cutoff fuse, a metal oxide varistor, and a gas discharge tube. The thermal cutoff fuse, metal oxide varistor, and gas discharge tube are connected in ser...  
WO/2013/002016
The present invention relates to a power conversion device including an inverter for, by using semiconductor switches (4), converting the voltage of a DC power supply (2) to an AC voltage having arbitrary magnitude and frequency to suppl...  
WO/2012/177425
An intrinsically safe portable radio device (100) having a portable radio device housing (120). A first radio section (201) is an intrinsically safe circuit is (ISC) disposed within the housing and arranged to perform at least one functi...  
WO/2012/171221
A thermal metal oxide varistor circuit protection device includes a housing (15) defining a cavity and a metal oxide varistor (MOV) (50) disposed within the cavity. The circuit protection device may further includes a first terminal (301...  
WO/2012/171995
The present invention relates to a fast bypass device (1), comprising a pair of reverse-parallel-connected thyristors (T1, T2), a lightning arrester (SA) and a backup protection switch (BPS), wherein the pair of reverse-parallel-connecte...  
WO/2012/171891
Disclosed in the present utility model is a triggering circuit for a thyristor, comprising a first resistance and a breakover diode for connecting in series between the anode and gate of a thyristor. Also disclosed in the present utility...  
WO/2012/170345
A superconducting fault current limiter recovery system includes a superconducting fault current limiter, a shunt electrically coupled in parallel with the superconducting fault current limiter, and a bypass path also electrically couple...  
WO/2012/163150
A lightning protection system (30), comprising: an active lightning protection unit (301) and a passive lightning protection unit (302); the input end of a lightning protection circuit (3011) in the active lightning protection unit is co...  
WO/2012/166374
A surge protection device that includes varistors to absorb surge currents and protect a load from an overvoltage condition. The surge protection device includes a combination of switching elements and diodes. The surge protection device...  
WO/2012/163398
The present invention relates to a system for distributing electric power to an electrical grid (106). The system comprises a DC/AC inverter (102) arranged to convert a DC voltage output from an electric power generator (101) to an AC vo...  
WO/2012/159626
The invention relates to a plug connector for protecting an electrical system, in particular an electronic apparatus, a semiconductor element or wiring harness, against surge discharge, wherein the plug connector comprises contact pins t...  
WO/2012/159358
Disclosed is a lightning protection radio remote unit (RRU), including a primary circuit and a secondary circuit and a working circuit, wherein the primary and secondary circuits convert the power source outputted by a power supply syste...  
WO/2012/161830
An overcurrent protection system (102) may be used to protect electrical circuit components from damage or failure due to abnormally high currents. The system may include a current interrupter (110) electrically coupled between a power s...  
WO/2012/161615
The invention relates to the field of electrical engineering and in particular to lightning protection means for high-voltage overhead electrical transmission lines (OL). The technical result of the invention consists in increasing the r...  
WO/2012/161277
This superconducting element for a superconducting current limiter has: a substrate (32); an intermediate layer (34) formed on the substrate (32); a superconducting layer (36) formed on the intermediate layer (34); and an electrode (44) ...  
WO/2012/159668
The invention concerns a voltage source converter comprising a number of voltage source converter cells and a method of controlling start up of a cell-based voltage source converter. The voltage source converter comprises a number of vol...  
WO/2012/156406
The invention relates to a method and a system for controlling the turn-on time of a device that includes a magnetic circuit and a conductive winding. Said method includes the steps of: acquiring a measurement of the magnetic field, gene...  
WO/2012/157494
Provided is a fault current limiter that uses a superconductor and that, after a fault current limiting operation, can rapidly revert to a superconducting state. The fault current limiter carries out fault current limiting operations usi...  
WO/2012/152111
A surge protection equipment comprises a surge protection module and a base (104). The surge protection module is inserted onto the base. A fault protection disconnecting equipment (105) is arranged in the surge protection module. The su...  
WO/2012/154134
The invention belongs to the field of overvoltage protection devices intended to protect sensitive electric/electronic devices and assemblies against effects of increased voltages, more precisely to the field of overvoltage protective de...  

Matches 1 - 50 out of 4,777