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WO/2014/132066A1 |
A fault current limiter (FCL) has a core structure including first and second, spaced 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 s...
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WO/2014/132396A1 |
The purpose of the invention is to obtain a power conversion device used in a DC power transmission system in which a plurality of power supply systems are connected therebetween by a DC line and interconnected with each other and being ...
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WO/2014/127580A1 |
An electrostatic protection circuit, a display device and an electrostatic protection method. The electrostatic protection circuit comprises a first switch transistor, a second switch transistor, a third switch transistor, a fourth switc...
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WO/2014/128697A1 |
There is provided a fault current limiter that comprises a magnetically saturable core. The FCL comprises a first DC coil wound around a first portion of the core, with the first DC coil being arranged to saturate at least part of the co...
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WO/2014/128999A1 |
The present invention relates to a current limiting device for limiting the amount of overcurrent generated, for example, when an accidental short circuit occurs in a power system. The current limiting device comprises: a current limitin...
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WO/2014/126006A1 |
A superconducting fault current limiter (10) is provided with superconducting elements (71, 72) that are in a superconducting state during electrification with a current value in a fixed range and in a normal conducting state during elec...
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WO/2014/126703A1 |
A protection monitoring system is provided that includes a protection fault handler. The protection fault handler includes a protection fault indicator. The protection fault handler is configured to activate the protection fault indicato...
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WO/2014/121636A1 |
Provided is a resonant current limiter based on an insulator-metal phase change resistor. The resistor (RPC) made of an insulator-metallic phase change material is in parallel connection with a capacitor (C), and then is in series connec...
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WO/2014/120450A1 |
Aspects of the invention provide for an ESD protection device for an SST transmitter. In one embodiment, the ESD protection device includes: a primary ESD protection structure at an output of the SST transmitter; and an additional protec...
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WO/2014/117608A1 |
An apparatus (20) for breaking a current of a circuit (44) and a control method thereof. The apparatus (20) for breaking a current of a circuit (44) comprises a unidirectional direct current breaker (10) and a bridge branch circuit. The ...
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WO/2014/118316A1 |
A safety switching device (10) for failsafe switching on and off of a technical installation (11) has an input (24) for picking up an input signal and a failsafe control/evaluation unit (28) which processes the input signal and generates...
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WO/2014/113970A1 |
An apparatus for eliminating electrostatic charge from a mould, such as a wind turbine blade mould (2). The apparatus comprises heating wires (4) within the mould for heating a zone of a moulding surface of the mould (2), an electrical p...
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WO/2014/114516A1 |
The invention relates to a measuring system for continuously monitoring a high-voltage bushing. If measurements for monitoring are to be continuously performed at the measurement connection of a high-voltage bushing, the measurement conn...
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WO/2014/107995A1 |
A false-trigger-proof power supply clamping ESD protection circuit, comprising: an ESD impact detection component, a discharge transistor, a discharge transistor activation access, and a discharge transistor deactivation access. The circ...
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WO/2014/108360A1 |
The invention relates to a measurement arrangement (1, 22) for a rail potential in a DC railway system, wherein rails (10) of the DC railway system are connected to earth (2) by means of at least one switchable semiconductor element (32)...
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WO/2014/107854A1 |
A power grid current-limiting apparatus, a power grid current limiter, and a power grid current-limiting system. The power grid current-limiting apparatus comprises: a first current-limiting reactor (101), a first smart high-speed switch...
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WO/2014/108010A1 |
A fault current limiter based on a combined quick switching switch; the combined quick switching switch is firstly connected to a capacitor (C) in parallel, and then connected to a conventional reactor (L) in series; the combined quick s...
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WO/2014/107115A1 |
A high voltage blocking device for a manpack antenna (1), the manpack antenna (1) having a radiating element (8) that is designed to be in electrical contact with a radio transmitter (2), wherein a capacitor (10) is connected in serial b...
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WO/2014/104208A1 |
An oxide superconducting wire which is provided with: an oxide superconducting laminate which comprises a tape-like base, an intermediate layer that is laminated on the base, an oxide superconducting layer that is laminated on the interm...
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WO/2014/102445A1 |
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...
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WO/2014/103406A1 |
An electrical circuit forming unit is constituted by forming a steady-state electrical circuit by arranging a plurality of mutually adjoining contact members (11) capable of contacting with and separating from each other between a first ...
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WO/2014/098674A1 |
According to an embodiment a method for an SPD (300a; 300b) is provided. The method comprises obtaining (405) a current measurement value I from a measurement of an input or an output current of a victim unit (210) associated with the SP...
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WO/2014/094830A1 |
Regulated power supply assembly for use in electrical switch A regulated power supply assembly (106) suitable for use in an electrical switch (100) is disclosed. The regulated power supply assembly regulates an excitation current provide...
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WO/2014/089751A1 |
A System and a method are disclosed for suppressing rush current noise in a power switch cell. The system comprises: a power switch (306) having an operational condition dependent upon the state of a control signal; and an inrush current...
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WO/2014/089928A1 |
An anti-surge power supply circuit and an LED lamp. The power supply circuit comprises an input end (10) and an output end (20), and also comprises a filter circuit (30), a rectifier circuit (40), an anti-surge circuit (50) and a voltage...
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WO/2014/086378A1 |
The invention concerns an interface for cutting off the power supply for any fault current Id ≤ 300 milliamperes such that: Id≥ IPE + k.Ih where IPE represents the current returning to the power source via the protective conductor co...
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WO/2014/086231A1 |
An overvoltage protection device and method. The overvoltage protection device (100) includes: a judgment unit (101), the input end of the judgment unit is connected with the input end (Pin) of the device, the output end of the judgment ...
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WO/2014/083271A1 |
Device for limiting disturbances of an electrical nature, such as currents induced by overvoltages caused by these disturbances, in particular electromagnetic, for example relating to events of lightning type in an electrical installatio...
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WO/2014/082805A1 |
The present invention relates to an overvoltage protection device that can be adapted to a programmable automaton power supply, including a first detection and protection device capable of detecting a possible overvoltage at a first poin...
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WO/2014/083190A1 |
The invention relates to a switching device (1), particularly a protective switch, comprising a first contact gap (2) and a second contact gap (3) that each have break contacts (4), said switching device (1) comprising a switching mechan...
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WO/2014/079508A1 |
The invention discloses temporary load device (2) comprised in a subsea distribution bus (14) connecting a power load system (3) to electrical power supplied by an AC power supply (1) by means of at least one long cable (7). The subsea d...
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WO/2014/081234A1 |
The present invention relates to a combined overcurrent protection device for blocking a current and a voltage in abnormal conditions, and more specifically, to a complex overcurrent protection device for blocking a current and a voltage...
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WO/2014/079352A1 |
A power source protection circuit and a chip thereof. The power source protection circuit comprises a clamping circuit (1), a first transistor (M0) and a second transistor (M24). The clamping circuit is coupled between a power source (VD...
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WO/2014/081233A1 |
The present invention relates to a combined overcurrent protection device for blocking a current and a voltage in abnormal conditions, and more specifically, to a complex overcurrent protection device for blocking a current and a voltage...
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WO/2014/075989A1 |
The invention relates to a protective circuit (12) for a current transformer (10) for preventing a secondary voltage (Us) on a secondary circuit (10.1) of the current transformer (10) exceeding a secondary voltage threshold. The protecti...
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WO/2014/075782A1 |
The subject matter of the invention is an ignition circuit (Z) for a series circuit comprising at least two spark gaps for limiting overvoltages with medium and high power, in particular overvoltages corresponding to the pulse shapes 8/2...
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WO/2014/075111A1 |
The present invention provides a system and method for an intrinsically safe device. An IS mobile device has a housing, a PCB, a plurality of fuse circuits on the PCB, and a plurality of operational components on the PCB. The IS device i...
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WO/2014/072027A1 |
The invention deals with a method and device for controlling the ignition of electric arc in the intercontact break of a disconnector during the operation of opening and closing the disconnector used in gas-insulated switchgear. The inve...
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WO/2014/071628A1 |
A surge protection device (100) having a short-circuit protection function, comprising a surge protection module (102) and a short-circuit current protection module (101).The surge protection module discharges and suppresses a surge curr...
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WO/2014/072300A1 |
A lightning protection component, comprising at least one main input (2.1) capable of transmitting a lightning signal, at least one main output (3.1) designed to be connected to a piece of equipment (T) to be protected from the lightning...
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WO/2014/067272A1 |
Embodiments of the present invention relate to a protective apparatus. The apparatus comprises a switching device and a first isolator; one end of the switching device is connected to a negative electrode of a power supply or is connecte...
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WO/2014/067903A1 |
The invention relates to an actuating circuit (10) for switchgear having: a switch element (S) for controlling the power supply to a coil (12) of an electromagnetic actuator of the switchgear connected in series to the switch element; a ...
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WO/2014/071294A1 |
A semiconductor controlled rectifier for an integrated circuit is disclosed. The semiconductor controlled rectifier comprises a first lightly doped region (100) having a first conductivity type (N) and a first heavily doped region (108) ...
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WO/2014/067831A1 |
The invention relates to a method and an arrangement for determining the direction of excess currents in energy supply systems with at least one local or transformer substation, which connects a medium-voltage system (1) and a low-voltag...
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WO/2014/063406A1 |
A same-time-sequence multi-pulse lightning protection box comprises a lightning protection module, a sampling circuit, a detection circuit, and a display panel connected in sequence. The sampling circuit comprises an EMC strong electroma...
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WO/2014/063666A2 |
The apparatus compensating ground fault currents (2) with controlled current sources (3, 3', 3") is, in the known method, connected between the phase conductors L1, L2, L3 of an n-phase distribution system (1 ) and site with earth potent...
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WO/2014/063276A1 |
A semiconductor device for electrostatic discharge protection includes a substrate, a first well and a second well formed in the substrate. The first and second wells are formed side by side, meeting at an interface, and have a first con...
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WO/2014/063499A1 |
A charging method for a converter of a flexible direct-current power transmission system. The flexible direct-current power transmission system comprises an active-end converter and an other-end converter which are connected by means of ...
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WO/2014/063362A1 |
A circuit protection device including a housing (15) defining a chamber (19) and a metal oxide varistor (MOV) stack (310) disposed within the chamber (19). A first spring (330a) is electrically attached at a first end to a first input te...
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WO/2014/058737A1 |
A crystal oscillator may be configured to limit crystal drive level in the crystal oscillator by clamping via a diode-resistor branch, voltage applied to a drain pad of the crystal oscillator. The crystal oscillator may incorporate Pierc...
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