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WO/2018/200102A1 |
Embodiments of the disclosure include a fault current limiter (FCL) providing symmetrical electrostatic shielding. In some embodiments, a FCL includes a superconductor maintained at a first voltage greater than zero voltage, and an enclo...
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WO/2018/200266A1 |
A crowbar circuit includes a first inductor coupled to a positive terminal of a power supply at a first terminal of the first inductor and coupled, at a second terminal of the first inductor, in series with a main thyristor having a main...
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WO/2018/192132A1 |
Disclosed are an electric vehicle and an active discharge module, a drive apparatus and an electric drive system thereof. The active discharge module comprises a discharge branch connected in parallel to a direct-current support capacito...
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WO/2018/192713A1 |
The invention relates to a lightning and overvoltage protection device for data networks, telephony services, electroacoustic installations or bus systems having at least two grid-side input terminals and at least two output terminals, t...
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WO/2018/192826A1 |
The invention relates to a fault current limiter for medium-voltage switchgears, wherein means for limiting the fault current are provided which can be activated at the latest in the presence of a fault current or which are inherently ac...
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WO/2018/192977A1 |
The disclosure comprises an uninterruptible power supply (UPS) (100) for an electrical load, having a first current path (101) and a second current path (103) which are designed to supply the electrical load with electrical energy, a fir...
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WO/2018/192873A1 |
An intrinsically safe electrical circuit comprising a power supply, a load and a cable connecting said power supply and said load and comprising positive and negative cores, in which said circuit comprises an incendive arc prevention mec...
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WO/2018/189035A1 |
A power module (10) comprises two semiconductor elements (12) connected in series; two DC terminals (20, 22), each DC terminal (20, 22) providing an electrical connection to an outer end of the series connection of the two semiconductor ...
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WO/2018/188753A1 |
A circuit arrangement (100) is disclosed that is electrically connectable in a current path (1). The circuit arrangement (100) comprises at least one switching element (20, 30, 40), comprising at least a first terminal (21, 31, 41), a se...
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WO/2018/191436A1 |
The present disclosure pertains to novel systems and methods that incorporate advanced inference algorithms can be developed to detect floating neutrals using phasor measurements. In one aspect, the present disclosure relates to the use ...
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WO/2018/188897A1 |
The invention relates to a disconnection and switch-over device for overvoltage protection, particularly for DC systems, comprising at least one arresting element, and a thermal cut-off point incorporated into the electrical interconnect...
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WO/2018/188773A1 |
The inventive method is designed for improving the protection of MV network (1) grounded through the Petersen-coil device (7) and equipped with at least one of intelligent electronic devices lEDs (61....6n) as a protection device for pow...
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WO/2018/186587A1 |
Disclosed are a power stabilization circuit and a display device to which the same is applied. The power stabilization circuit comprises: a thermistor provided on a first path through which input power is supplied, so as to limit the inr...
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WO/2018/184671A1 |
The invention relates to a multi-phase multi-stage power converter (MMC), comprising a phase module (PM1, PM2, PM3), which has a power converter module (UL, UH), which is formed from a plurality of two-pole sub-modules (SM) connected ele...
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WO/2018/177238A1 |
Disclosed are a static electricity protection circuit, a circuit board and a static electricity protection method. The static electricity protection circuit comprises a first relay (101) and a second relay (102), wherein control ends of ...
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WO/2018/173054A1 |
An AC switching arrangement is provided with an energy transfer arrangement connected in parallel with a switching mechanism. The energy transfer arrangement comprises a capacitance arrangement and a diode arrangement. The switching mech...
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WO/2018/172295A1 |
The invention relates to an overvoltage protector (8) for protecting a device (4) to be protected, comprising a first terminal (12) and a second terminal (14). A number of strings (22) are connected in parallel to one another between the...
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WO/2018/174845A1 |
A system for reducing inrush current to an electronic component, the system including: a power supply, the power supply providing power at multiple non¬ zero voltages; and the electronic component; wherein, when the electronic component...
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WO/2018/171785A1 |
The present invention relates to a grid-connected instantaneous current surge suppression circuit connected to two groups of relays disposed between an AC end of a grid-connected inverter and an electric grid. The grid-connected instanta...
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WO/2018/161248A1 |
In one embodiment, an overvoltage protection device (100) may include a crowbar device (106), where the crowbar device (106) includes a first crowbar terminal (115), the first crowbar terminal (115) connected with a first external voltag...
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WO/2018/157458A1 |
A voltage absorption circuit, comprising an input circuit (110), an absorption circuit (120), and a control circuit (130). The absorption circuit (120) comprises a resonance circuit (121) and a rectification circuit (122), the resonance ...
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WO/2018/152756A1 |
An MOV assembly having an insulating bearing plate structure, comprising at least two electrode sheets (2, 4) and at least one MOV chip (3). An MOV chip (3) is sandwiched between each two adjacent electrode sheets (2, 4); an insulating b...
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WO/2018/153993A1 |
The invention relates to an apparatus for limiting voltage for a DC voltage network (1) in which overvoltages resulting from switching operations occur between a first supply potential level (2) and a second supply potential level (3) of...
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WO/2018/149630A1 |
There is disclosed a by-pass switch arrangement (106) for by-passing a current path in a high voltage direct current (HVDC) network (100), the by-pass switch arrangement comprising: two switch terminals (202, 204) for coupling to the cur...
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WO/2018/148080A1 |
A wireless power transmitting device transmits wireless power signals to a wireless power receiving device. The wireless power receiving device has a rectifier and a wireless power receiving coil that receives wireless power signals. The...
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WO/2018/145857A1 |
The invention relates to a circuit for limiting a making current; said circuit can be used in power supply units of operating devices for operating lighting means and comprises at least a first storage capacitor (C1) and a second storage...
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WO/2018/145395A1 |
An arc extinguishing apparatus and a power supply system, related to the technical field of safe power supply. The arc extinguishing apparatus comprises a coupling circuit and an arc extinguishing chip. An arc extinguishing material (T) ...
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WO/2018/148377A1 |
Systems and methods are provided for testing a threshold energy required to cause a latchup on an electronic component. An exemplary method includes applying a series of laser pulses to a testing object with a pulsed laser unit. The test...
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WO/2018/142038A1 |
The invention relates to a current cut-off device (1) for high-voltage DC current, comprising: • in series, a cut-off apparatus (121) and a current limiter (111); • an accumulation line (130) in parallel with the current limiter (111...
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WO/2018/141684A1 |
The present invention relates to a method for controlling a circuit breaker. The circuit breaker is connected in a three-phase system having an inductive load, and the method comprises method for controlling a circuit breaker, the circui...
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WO/2018/145128A1 |
A method is provided. The method comprises determining configuration data; wherein the configuration data comprises a resistance of a bypass circuit coupled between a remote radio head and a power cable; using the configuration data, det...
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WO/2018/137791A1 |
Inthe field ofvoltage source converters forhigh voltage direct current (HVDC) power transmission there is provided a protection arrangement (10; 100; 200; 300; 400;500; 600; 800; 900) for a switching device (22; 122). The protection arra...
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WO/2018/138431A1 |
The invention relates to a conductive component (21) that attenuates very fast overvoltages, for very high-voltage electrical substations, said component comprising a hollow metal bar (25) a segment (27) of which is machined to form a so...
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WO/2018/138723A1 |
A DC power supply arrangement is provided that comprises a DC power supply arranged to supply current to an inductive load in a first state of the DC power supply arrangement, and arranged not to supply current to the inductive load in a...
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WO/2018/140318A1 |
A through air measurement instrument comprises a housing for mounting to a process vessel and including a waveguide, A control circuit in the housing controls operation of the instrument for determining level, An RF circuit board in the ...
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WO/2018/140188A1 |
Embodiments of the disclosure provide a current protection device for a fault current limiter, the current protection device including a detection circuit electrically coupled between a current transformer and a pneumatic timer, and an e...
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WO/2018/135025A1 |
The inrush current suppression circuit according to one embodiment of the present invention is provided with: a transistor having a first terminal, a second terminal connected to a constant voltage line, and a control terminal; a first r...
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WO/2018/132201A1 |
The present disclosure describes aspects of Zener overvoltage protection (OVP) with a thermal trigger for an implant. In some aspects, an apparatus comprises a rectifier disposed in a rectification circuit and configured to rectify alter...
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WO/2018/130594A1 |
The present invention relates to a device for protecting electrical equipment (23), comprising: - a first branch (21) for limiting current including a current source; - a second conduction branch (22) mounted parallel to the limitation b...
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WO/2018/130557A1 |
A DC power switching assembly (22) comprises a plurality of series connected power switching units (21). Each power switching unit (21, 45) comprises a first terminal (23) of the unit and a second terminal (24) of the unit, the terminals...
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WO/2018/130411A1 |
The invention relates to an electronic circuit for securing an energy supply of a receiving device, comprising the following: - a supply path for connecting the receiving device to a voltage source, said supply path (ANT_SUP-ANT_OUT) hav...
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WO/2018/129651A1 |
A neutral electrode interconnected voltage-sensitive surge over-voltage protection circuit, comprising more than two varistors in parallel connection, in series connection or in series-parallel connection, wherein same respectively achie...
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WO/2018/127650A1 |
The invention relates to an integrated component for protecting against overvoltages, including: two multilayer elementary varistors (21, 22) that are arranged in parallel and that each include first and second varistor electrodes, the v...
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WO/2018/128150A1 |
[Problem] To provide a reactance-type current limiter with high reliability and having a simple device configuration. [Solution] This current limiter is provided with a magnetic core 11A, and a coil 12 wound around the magnetic core 11A,...
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WO/2018/128149A1 |
[Problem] To provide a core that can be widely applied, e.g., in a reactor, current limiter, electromagnetic actuator, motor, etc. [Solution] The magnetic characteristics of this core 11 are such that, in a first quadrant of a graph with...
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WO/2018/128151A1 |
[Problem] To provide a current limiting circuit with reduced impedance during normal operation. [Solution] This resonance-type current limiting circuit is provided with a core 11, a coil 12 wound around the core 11, and a capacitor 50 co...
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WO/2018/124394A1 |
The present invention relates to a method for determining installation stability of a power source surge protector, comprising: a detection step of detecting, by a detection unit, a voltage between a phase and the ground and a voltage be...
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WO/2018/124568A1 |
A three-phase opening and closing control device of the present invention is a three-phase opening and closing control device which controls a breaker connected between a three-phase transformer and a system power supply, wherein the dev...
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WO/2018/124492A1 |
The present invention provides a complex device comprising: a lamination body; two or more function units provided inside the lamination body and functioning differently from one another; a connection unit provided between the function u...
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WO/2018/124535A1 |
The present invention provides a complex device and an electronic device having same, the complex device comprising: two or more function units which function differently from one another; a connection unit provided between the function ...
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