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WO/2024/046270A1 |
The present invention belongs to the field of aerosol generation apparatus control, and particularly relates to an aerosol generation apparatus. The aerosol generation apparatus comprises a power source circuit, a switch circuit, a contr...
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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/2024/046519A1 |
The invention relates to a method for determining a temperature of an electric motor (1). For this purpose, a method for determining the rotor temperature (TR) and the stator temperature (Ts) in an electric motor (1) having a rotor (7) a...
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WO/2024/045652A1 |
The present application discloses a power supply control protection system and a control protection method. The system comprises: a switching power supply, a main controller, an auxiliary controller, a sampling circuit and an energy stor...
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WO/2024/043023A1 |
The object of the present invention is to achieve redundancy of a power supply function by a simple configuration, to ensure operational continuity in case of failure. A power grid (1) comprises: a first power supply path (20-1) that is ...
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WO/2024/041445A1 |
A battery power limit protection method and system, and a storage medium. The battery power limit protection method is applied to a vehicle, and the vehicle is provided with a battery management system. The method comprises: periodically...
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WO/2024/042608A1 |
This control device comprises: a first action control unit that causes a DC switch to open when a power conversion device is in a standby state and when a first DC voltage value acquired by a voltage acquiring unit has become greater tha...
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WO/2024/041734A1 |
A protection arrangement for a transformer includes at least one fault interrupter configured to be coupled to a at least one winding of the transformer, to protect the transformer from over-current faults, and a voltage protector config...
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WO/2024/037370A1 |
The present application provides a power conversion device and a protection method therefor. The power conversion device comprises a terminal plate, an electrical energy conversion circuit, and a controller; a first terminal and a first ...
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WO/2024/034004A1 |
Provided is a power distribution system management device in which an accident section estimation unit estimates a short-circuit accident section from a comparison result obtained by comparing a threshold value with a harmonic current am...
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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/2024/033073A1 |
The invention relates to an electrical circuit (30, 30') for an electric machine (2), comprising a DC link (12) with a high path (12a) and a low path (12b) and with a DC link capacitor (14) interconnected in between, wherein a series cir...
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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/2024/034602A1 |
This battery charging device comprises: an electric power generator that generates electric power in accordance with rotation of a rotor and outputs an AC signal that corresponds to the generated electric power; a switching element that ...
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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/2024/031795A1 |
Disclosed in the present invention are an interlocking device, an energy storage system comprising same, and a control method and device for an energy storage system. The interlocking device comprises: a first interlocking circuit, a fir...
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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/2024/027163A1 |
Provided in the present application are a full-compensation arc suppression system and method based on adjustable reactance. The arc suppression system comprises a first contactor, a second contactor, a third contactor, a first adjustabl...
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WO/2024/025099A1 |
The present disclosure relates to a washing machine and a method for controlling a washing machine. When a current value outputted from an IPM is greater than or equal to a preset current value, a washing machine controls an OFF operatio...
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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/2024/021515A1 |
The present application discloses a zero-sequence resistive current differential protection method for an inter-station tie line of a small-resistance grounding system, comprising the following steps: 1) collecting a three-phase current ...
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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/2024/020248A1 |
A stored program interpreter or virtual machine with a reduced or simple instruction set that implements a Sequencer which allows the programming of time-dependent behavior of controlled loads or circuits such as Electronic Circuit Break...
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WO/2024/013105A1 |
The present invention relates to a DC voltage switching device (100) for coupling, more particularly for switching on a DC voltage load (200), which comprises a first and a second input terminal (IN+, IN-) which are designed to apply an ...
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WO/2024/015284A1 |
A power controller system and method for monitoring available power from an input power source, such as one or more photovoltaic ("PV") cells/panels, and controlling power output to one or more loads. A predetermined threshold input volt...
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WO/2024/012744A1 |
The invention relates to activating an active discharge of a DC link capacitor. To this end, provision is made of a discharge device which can detect a condition for activating the discharge of a DC link capacitor independently of other ...
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WO/2024/013842A1 |
Provided is a shut-off device for a vehicle, the device being capable of operating so as to further draw out the durability performance of a switch. The shut-off device (1) comprises a first switch (33A) that switches an electrical pow...
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WO/2024/007488A1 |
The present application relates to a flexible direct-current receiving end alternating-current fault ride-through method and system, a computer device, a storage medium, and a computer program product. The method comprises: when a receiv...
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WO/2024/009839A1 |
A power storage device 50 comprises: a cell 60; a relay 53 that interrupts current to the cell 60; a bypass circuit 120 that is connected in parallel to the relay 53; and a management device 150. The bypass circuit 120 includes two FETs ...
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WO/2024/008598A1 |
The invention relates to an electrical distribution system (1) configured to supply at least a first electric motor (M1) and a second electric motor (M2) from at least one electrical source (B1), the electrical distribution system (1) co...
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WO/2024/007679A1 |
The present application relates to the technical field of electronics, and relates to a key control circuit, method and apparatus, a device, a storage medium, and a remote controller. The key control circuit comprises a key module, a pow...
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WO/2023/246955A1 |
The present application provides an inter-turn protection method and system for a converter transformer. In the method and system, three-phase currents before and after initiating inter-turn protection are collected at a valve side and a...
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WO/2023/247107A1 |
The present disclosure relates to a start-up method for reducing inrush current to a transformer (3) when closing a switching device (2). The method comprises monitoring a voltage (U) in one of the phases. The method also comprises, for ...
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WO/2023/246169A1 |
Provided in the present invention is a fault clearing method for an alternating-current bus of an energy storage power station. The method comprises: when an alternating-current bus has a fault, a bus protection device controlling all no...
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WO/2023/249224A1 |
An electrical device according to an embodiment of the present disclosure controls operation of a power factor correction circuit by configuring an overvoltage protection level, a low voltage protection level, and an input current limit ...
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WO/2023/242553A1 |
A method of protecting a power transformer (101) in a power supply distribution grid (100) is described. The method comprises monitoring low frequency electrical signals in a circuit coupled to the power transformer (101) to provide a fi...
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WO/2023/241902A1 |
The invention relates to an electric machine for an aircraft, comprising a stator (1) comprising at least three phases (10) each comprising a winding (12), a control branch (11) and a neutral branch (13), the neutral branches (13) being ...
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WO/2023/244794A1 |
A fault managed power system (FMPS) and method therefor can limit the cumulative effects of repeated current pulses on the human body during a fault without changing the amplitudes of the current pulses. Upon detection of a fault, the fa...
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WO/2023/241199A1 |
A communication power supply circuit, a control method and apparatus, a storage medium, and an air conditioning device. The communication power supply circuit is used for an air conditioner which comprises an indoor unit and an outdoor u...
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WO/2023/238713A1 |
The present invention comprises: a fuse that has a busbar and that cuts the busbar in accordance with an ignition signal; a first current sensing unit that has a first resistance part and that senses a current flowing through the busbar;...
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WO/2023/238714A1 |
A DC short circuit protection device (1) comprises: a fuse (10) that includes a bus bar (12) and disconnects the bus bar in response to an ignition signal (S3); a first current detection unit (13a) that includes a first resistor unit (13...
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WO/2023/236451A1 |
A short-circuit protection system, and a traction battery system of an electric vehicle. The short-circuit protection system comprises: a current monitoring apparatus (110), a control module (12) and an open-circuit protection apparatus ...
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WO/2023/202078A9 |
An arc fault detection method and apparatus, and a device. The method comprises: acquiring a preset arc feature value, which is calculated on the basis of a collected direct current side signal of an inverter (S11); acquiring an initial ...
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WO/2023/232627A1 |
The invention relates to a circuit breaker tripping acceleration arrangement (24) designed for being positioned between a bidirectional voltage transformer (5, 6) of a current transformer device (1) and an energy store (20, 22) having at...
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WO/2023/231515A1 |
The present application relates to a digital power distribution network edge computing control apparatus and method. The apparatus comprises an edge-side multi-service collaborative software and hardware platform that is longitudinally p...
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WO/2023/228592A1 |
This battery disconnection system comprises: a main relay connected between a battery and a load; a serially-connected precharge relay and a precharge resistor that are connected in parallel with the main relay; a current sensor that mea...
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WO/2023/226316A1 |
Disclosed in the present invention are an adaptive distance protection method and system. The method comprises: extracting electrical quantity transient time domain information at a relay location; and determining a directional character...
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WO/2023/226997A1 |
Disclosed in the present invention are a high-precision current measurement method and a chip module therefor. The high-precision current measurement method comprises: with regard to at least two protection switches, providing sampling b...
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WO/2023/227250A1 |
A solid-state circuit breaker (10) for a DC system includes a switching module (110) having a first terminal detachably connectable to a DC power source (20) and a second terminal detachably connectable to a load (32). The switching modu...
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