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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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 ...
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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 ...
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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,...
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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...
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WO/2013/019284A2 |
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...
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WO/2013/018972A1 |
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 ...
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WO/2013/018072A2 |
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...
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WO/2013/017110A1 |
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...
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WO/2013/014351A1 |
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...
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WO/2013/011913A1 |
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)...
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WO/2013/007134A1 |
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...
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WO/2013/008152A1 |
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...
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WO/2013/000361A1 |
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...
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WO/2013/002016A1 |
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...
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WO/2012/177425A1 |
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...
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WO/2012/171995A1 |
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...
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WO/2012/171221A1 |
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...
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WO/2012/171891A1 |
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...
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WO/2012/170345A1 |
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...
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WO/2012/163150A1 |
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...
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WO/2012/163398A1 |
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...
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WO/2012/166374A1 |
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...
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WO/2012/159668A1 |
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...
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WO/2012/159358A1 |
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...
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WO/2012/161830A1 |
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...
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WO/2012/159626A1 |
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...
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WO/2012/161615A1 |
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...
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