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Patent Searching and Data


Matches 751 - 800 out of 12,808

Document Document Title
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2012/130477A3
The invention relates to a surge protection device (SPD) having an input (IN) and an output (OUT). Between the input (IN) and the output (OUT), the surge protection device (SPD) comprises a main current path (CP1) that is short-circuit p...  
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)...  
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...  
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...  
WO/2012/093177A3
Disclosed is a semiconductor device arrangement including a first semiconductor device having a load path, and a plurality of second transistors, each having a load path between a first and a second load terminal and a control terminal. ...  
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...  
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...  
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...  
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...  
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...  

Matches 751 - 800 out of 12,808