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WO/2024/079922A1 |
The present invention comprises: an insulation capacitor that is opened and closed by the neutral-point switch of a transformer for a ground-type gauge; a DC power supply that charges the insulation capacitor; a DC power supply switch th...
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WO/2024/075236A1 |
In the present invention, a first communication line (F1) transmits a control signal (S) from an interface circuit (34) to an n-th drive circuit (GDn) in sequence via a first drive circuit (GD1). A second communication line (F2) transmit...
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WO/2024/075407A1 |
A switch device 1 includes, for example, a power supply terminal T1 to which a power supply voltage VBB is supplied, an output terminal T2 to which a load is externally connected, a switch element 10 connected between the power supply te...
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WO/2023/250457A3 |
One goal of embodiments of the present invention is to provide manufacturing methods for producing high-temperature superconducting (NTS) and medium-temperature superconducting (MTS) materials for use in commercial applications. It is, t...
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WO/2024/077187A1 |
Systems and methods for management of the connection of cold loads to an electrical distribution network are disclosed. One disclosed system for managing connection of cold loads to an electrical distribution network includes an electric...
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WO/2024/074581A1 |
A power conditioning apparatus for conditioning electrical power supplied to a load. The power conditioning is performed in response to a mirrored load current flowing through the power conditioning apparatus to the load. The approach is...
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WO/2024/069356A1 |
High voltage modular power distribution unit for electric or hybrid vehicles, the modular power distribution unit being equipped with two or more base electric modules (1) mechanically connected to each other, the base electric module (1...
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WO/2024/069838A1 |
Provided is a semiconductor switch device which performs square integration of load current and wire temperature estimation at low cost and with high precision, while reducing resources required for accurate wire temperature estimation. ...
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WO/2024/068103A1 |
The present disclosure relates to a method for controlling a protection system for an electrical power system comprising a transmission line, the method comprising: determining a plurality of phase angle deviations based on network model...
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WO/2024/068267A1 |
The invention relates to a protective circuit breaker for protection of an electrical low-voltage circuit, comprising: - a housing with at least one grid-side connection and at least one load-side connection, and - a mechanical separatin...
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WO/2024/061473A1 |
A method of detecting earth faults at a frequency converter (3) connected between a first grid (1) operating at a first frequency (f1) and a second grid (2) operating at a different, second frequency (f2) comprises determining a common m...
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WO/2024/056338A1 |
The invention relates to a method for sensing an insulation error in a vehicle charging circuit (FL). This circuit has a DC voltage side (GS), which is insulated with respect to a protective conductor potential (PE), an AC voltage side a...
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WO/2024/057742A1 |
A semiconductor device 1 comprises: an output switch 9; an overcurrent protection circuit 34 that detects an output current IOUT flowing to the output switch 9 and applies overcurrent protection; an overheat protection circuit 36 that de...
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WO/2024/056317A1 |
The invention relates to an electrical energy store (1) for a motor vehicle for supplying at least one vehicle component of the motor vehicle, comprising: - at least two storage strands (S1, S2, S3, S4) which extend geometrically adjacen...
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WO/2024/056145A1 |
The invention relates to an apparatus (13) that can be used in public distribution networks. In order to distribute the electrical loads across the low-voltage outputs (9, 10, 11, 12) when the power is turned on, it is proposed that, dur...
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WO/2024/051255A1 |
The present application discloses a power failure protection circuit and an electronic device. The power failure protection circuit comprises a power-on switch module, a voltage holding module and a voltage measurement module; the voltag...
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WO/2024/046845A2 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of an instantaneous differential current of conductors of the low-voltage circuit is ascertained...
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WO/2024/046795A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of a differential current of conductors of the low-voltage circuit is ascertained, and if differ...
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WO/2024/046836A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit, wherein: • - grid-side and load-side connections (LG, NG, LL, NL) are provided for conductors of the low-voltage circuit, • - a mechanica...
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WO/2024/048217A1 |
A vehicle-mounted power supply device (10) comprises a common path (12), a plurality of branch lines (first branch lines (20)), and interrupting units (first interrupting units (25)) provided in each branch line (first branch line (20))....
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WO/2024/048020A1 |
The present invention provides a power supply system capable of rapid arc extinguishing when a series arc discharge or a parallel arc discharge has occurred at a part more on a power storage module side than a power conversion device. ...
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WO/2024/049762A1 |
Systems, devices, and methods including a first drive winding (111) wound on a first core (101), where the first drive winding (111) may be driven with a first input signal (138); a second drive winding (112) wound on a second core (102)...
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WO/2024/048019A1 |
The present invention provides an electric power supply system (1, 201, 301) with which it is possible to rapidly extinguish an arc when arc discharge occurs. The present invention has an electric power supply module (2), a boosting ci...
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WO/2024/045422A1 |
The present disclosure relates to the fields of electric power control and electric vehicles. Disclosed is a multi-excitation-source protection apparatus, comprising a first conductor, a first fuse and a second conductor, which are seque...
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WO/2024/046809A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of a differential current of conductors of the low-voltage circuit is ascertained, and if differ...
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WO/2024/046850A1 |
The invention relates to a circuit breaker (SG) for protecting a low-voltage circuit for alternating voltage, wherein the current level of a differential current of conductors of the low-voltage circuit is ascertained and wherein: - if f...
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WO/2024/046723A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of a differential current of conductors of the low-voltage circuit is ascertained, and if differ...
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WO/2023/273099A9 |
The present invention provides a power semiconductor device. The power semiconductor device comprises: at least one transistor element, wherein the transistor element comprises a high-voltage power end, a low-voltage power end, and a con...
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WO/2024/038640A1 |
Provided is a semiconductor DC breaker which has redundancy so as to be able to cut off a current even if a semiconductor switching element for cutting off a current when an abnormal current is detected has failed. This semiconductor DC ...
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WO/2024/039198A1 |
This battery fire extinguishing device for preventing heat from spreading throughout a battery pack when a fire occurs in some battery modules, comprises: a plurality of fire extinguishing liquid storage parts located inside a plurality ...
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WO/2024/038995A1 |
An IOT-based control device for a distribution board is disclosed. An electrical safety device of the present invention comprises: an input connection unit directly fastened to a parallel busbar so as to be coupled in parallel to an eart...
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WO/2024/032118A1 |
The present application discloses an overvoltage protection circuit and method, and a power supply system. The overvoltage protection circuit comprises: a voltage monitoring circuit configured to output a thyristor gating signal to a thy...
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WO/2024/035587A2 |
A power supply system for use in a subsea environment includes an external power source operable to deliver a power input. A main circuit breaker is movable between a closed position and an open position. A subsea power switching unit (S...
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WO/2024/034325A1 |
Provided is a shutoff system (1) for shutting off an electric current path, the shutoff system (1) comprising: a shunt resistor (10) provided to the electric current path; and a pyro switch (20) having an internal resistor (21a), the pyr...
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WO/2024/032887A1 |
The invention relates to a hybrid voltage limiter. According to the invention, the hybrid voltage limiter (1) comprising a first electrode (14), a second electrode (15), trigger electronics (10), a thyristor component and a varistor comp...
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WO/2024/032932A1 |
A multiport protection apparatus (10) comprises a first DC link grid line (11), a plurality of protection switch units, each protection switch unit having a control input (60 to 63), a plurality of ports (20 to 29) and a controller (13) ...
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WO/2024/028351A1 |
The present disclosure relates to a method for controlling a protection system for an electrical power system comprising a transmission line terminated by a first terminal coupled to a first power source and by a second terminal coupled ...
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WO/2024/029685A1 |
An exercise apparatus comprising: a main body; a base disposed in front of the main body; a frame extending upward from the main body and including a plurality of pillars; wires extending outwardly from the main body; and handle modules ...
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WO/2024/030231A1 |
A system includes a first connection configured to allow current flow between a first node and a second node through a first transistor when it is enabled, and a first diode configured to allow current flow between the first node and the...
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WO/2024/024138A1 |
A short-circuit protection circuit according to the present invention is provided with: a voltage dividing circuit that divides a power supply voltage supplied from a power supply connected at one end; a semiconductor rectifying element,...
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WO/2024/024214A1 |
Provided is a distributed electric power source electric power distribution system that cooperates with an anti-islanding device and is able to suppress over-voltages that occur when a ground fault has occurred multiple times during a re...
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WO/2024/025873A1 |
A power management system includes a first power source, a second power source, a first electrical load, a second electrical load, a load management module configured to selectively connect power to the fist electrical load and the secon...
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WO/2024/025547A1 |
A substation (100) connected to a high or extra-high voltage transmission line (102) is disclosed. The substation includes a power line (104) and a circuit device (108) electrically connected by way of the power line to the transmission ...
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WO/2024/022417A1 |
The present invention relates to an overcurrent protection circuit and an overcurrent protection method. The overcurrent protection circuit and method involve: sampling a current that flows through a compressor controller, and converting...
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WO/2024/022840A1 |
The invention relates to, inter alia, a DC switchgear (100), in particular for earth fault detection during a switch-on process for switching on a connected DC load (200), and a switch system (300) comprising said DC switchgear (100). Th...
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WO/2024/023203A1 |
The invention relates to an electric circuit (10, 10', 10'') having the following features: a converter circuit (12, 12', 13') which is located between a first potential tap (16a) and a second potential tap (16b) and comprises a pluralit...
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WO/2024/018710A1 |
The present invention maintains the normal operation of a vehicle even if noise is superimposed on a power supply voltage and suppresses the increase in the size of a device. A power supply control circuit 1a includes: input terminals T2...
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WO/2024/017776A1 |
The invention relates to a vehicle (2) comprising an onboard electrical system (1) which has: - a traction battery (5), - a charging connection (6) for coupling to a DC charging station (4), - a positive potential line (HV+L), - a negati...
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WO/2024/016759A1 |
Disclosed in the present invention are an active short-circuit control circuit, device, method and system, and a vehicle. The circuit is powered by a whole vehicle low-voltage power supply and a whole vehicle bus, and specifically compri...
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WO/2024/017806A1 |
The invention relates to a vehicle (4) with a high-voltage onboard electrical system (3) comprising a traction battery (5), a charging connection (6) for coupling to a DC charging station (2), high-voltage potential lines (HV+L, HV-L), a...
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