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WO/2023/123677A1 |
Provided are a control method and device of a power type energy storage apparatus and a regional power system. The power type energy storage apparatus is connected to an incoming line end of a second transformer by means of a first trans...
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WO/2023/123640A1 |
Disclosed in the present invention is a convenient and fast treatment method for an inter-phase short circuit of a three-phase electric power system. The method comprises: firstly, cutting off a fault current; then, constructing a detect...
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WO/2023/124502A1 |
An energy storage system and a control method for an energy storage system, for use in isolating a fault source to prevent a fault range from being expanded, thereby improving the safety of an energy storage system. The energy storage sy...
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WO/2023/128737A1 |
A junction temperature estimating device according to a first embodiment of the present invention comprises: a power loss calculation unit for calculating a power loss by receiving a voltage and a current of a switching element as inputs...
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WO/2023/129850A1 |
An overcurrent protection system for a mobile irrigation system. The overcurrent protection system includes a number of control panels each including a controller configured to generate a motor control signal for activating one of the mo...
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WO/2023/120198A1 |
A fuse unit 10 includes: a first terminal part 21 to be connected to a bus bar 70; a second terminal part 31 to be connected to an electrical wire 60; a fusing part 41 that connects the first terminal part 21 and the second terminal part...
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WO/2023/112656A1 |
In a power supply control device, an upstream switch and a downstream switch are arranged on the upstream side and the downstream side of a load, respectively, in the current path of electric current flowing through the load. One end of ...
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WO/2023/109006A1 |
A DC voltage measurement anomaly detection method for a VSC-HVDC system, comprising: obtaining the valve group voltage of a detection pole, collecting the voltage value of each voltage measurement point of the detection pole, performing ...
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WO/2023/109882A1 |
The present invention relates to a smart power meter, which comprises a core module, a first communication module and a second communication module. The core module locally communicates with a photovoltaic grid-connected inverter, the co...
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WO/2023/114837A1 |
Power tools that include a housing, a motor supported by the housing, a battery pack interface configured to receive a battery pack that includes a plurality of battery cells, an inverter positioned between and electrically connected to ...
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WO/2023/110286A1 |
The invention relates, inter alia, to a converter (100) for connecting an electrical load (1) to a power supply grid (2), comprising a grid-side power converter (10) and a load-side power converter (20), wherein the grid-side power conve...
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WO/2023/111692A1 |
A system (10) for fault localization and power restoration in a power grid is provided. The system includes an upstream control unit (20) to provide first switching signals upon detecting a fault current in an upstream isolator (100). Th...
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WO/2023/110262A1 |
The present invention relates to a subsea substation system (100) comprising: an oil-filled water impermeable enclosure (102); an AC-transformer (104), and at least one overcurrent device (106a-d) electrically connected to the AC- transf...
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WO/2023/103825A1 |
A battery protection chip, a battery system, and a battery protection method. The battery protection chip (10) comprises: a discharge voltage limiting detection circuit (11) used for detecting a discharge drive signal output by a battery...
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WO/2023/106869A1 |
An electronic device according to various embodiments comprises: a first battery including a first protection circuit module (PCM); a second battery which is branched from a first node and connected in parallel with the first battery, an...
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WO/2023/098750A1 |
Provided in the present disclosure is an OVP device self-recovery method, which is applied to an OVP device self-recovery apparatus of a terminal device. The terminal device further comprises a battery, an OVP device, and a charging chip...
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WO/2023/098681A1 |
Disclosed in embodiments of the present disclosure are a flexible DC power grid fault line isolation method based on pre-perturbation of a DC circuit breaker, a protection device and system, a computer storage medium, and a computer prog...
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WO/2023/099169A1 |
The invention relates to an energy supply device, in particular for a machine tool. The energy supply device has at least one current-separating element with a nominal current-carrying capacity I_N, and the nominal current-carrying capac...
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WO/2023/097517A1 |
The present application provides a power supply system and a power conversion method. The power supply system comprises a power generation device, a converter circuit and a driving control circuit. When a power grid fails, the driving co...
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WO/2023/099484A1 |
The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) w...
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WO/2023/093426A1 |
A solid-state power controller, comprising a hard wire configuration unit (1), a bus unit (2), a configuration circuit (3), and an algorithm control circuit (4). The hard wire configuration unit (1) and the bus unit (2) are respectively ...
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WO/2023/093425A1 |
The present invention relates to a power supply and distribution protection apparatus for a solid-state electronic switch, the apparatus comprising a first chip (1), a second chip (2) and a power circuit (3), wherein the first chip (1) i...
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WO/2023/095434A1 |
This electric power supply unit (100) comprises a cell terminal portion (72) connected to a chargeable battery, an output terminal portion (73) to which is connected an inverter that is the component of the battery to which electric powe...
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WO/2023/087943A1 |
Disclosed in the present application are a method and apparatus for discriminating the consistency of receiving and sending delays of a differential channel, and an electronic device and a differential protection communication system, wh...
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WO/2023/087428A1 |
A new secondary wire break protection apparatus for a current transformer, the apparatus comprising: a working power source, a first intermediate relay, a second intermediate relay, an alarm indicator lamp 1HL1, and a single-phase connec...
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WO/2023/087226A1 |
A method of determining a fault of a power system comprises: estimating, based on measured electrical quantities at a first position of a power line in the power system, voltages at a second position of the power line, the measured elect...
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WO/2023/087429A1 |
The present invention relates to a hybrid circuit breaker based on line inductance energy self-measurement, and a storage medium thereof and a control method therefor. The method comprises: when a hybrid circuit breaker receives a pull-i...
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WO/2023/087603A1 |
A control method for a rolling brush (3). During first-stage detection, if it is detected that the current of a roller brush motor reaches a preset locked-rotor protection current, the motor is not directly shut down, rather output power...
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WO/2023/086625A1 |
An exercise device with a redundant monitoring and control circuit integrated within or otherwise in communication with various components of the exercised device to detect and act on real or possible improper operation of the exercise d...
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WO/2023/082083A1 |
Provided in the present application are a voltage measurement circuit, a vehicle jump starter and a battery clip. The voltage measurement circuit comprises a voltage measurement module, a processing module and a switch module, wherein th...
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WO/2023/083536A1 |
The invention relates to a method (10) for protecting an external circuit (2) from a surge voltage by means of a protective circuit (1). The protective circuit (1) has a protective unit (3) with a semiconductor switch (4) and a voltage r...
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WO/2023/083761A1 |
The invention relates to a device comprising: - an electrical energy storage element defined by an associated DC operating voltage; - a charger configured to charge the storage element when the storage element is discharged and the devic...
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WO/2023/079975A1 |
This control device for a vehicle has an electric current path in which an electric current flows through a microcomputer, a first terminal being disposed downstream of the microcomputer. The anode of a connection diode is connected betw...
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WO/2023/078785A1 |
The invention relates to a method of controlling a power limit (P) of a circulating pump (1) comprising a critical component (4) and a first temperature sensor (5) arranged and configured to measure the temperature of the critical compon...
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WO/2023/077359A1 |
Disclosed in embodiments of the present application are a control system, an emergency start power supply, and a battery clip. The control system comprises a control logic operation circuit, a switch module, and at least one monitoring m...
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WO/2023/077889A1 |
The present invention provides a rapid determination method and system for transient stability of a half-wavelength power transmission system. The method comprises: acquiring a power and a power angle of a generator at a sending end of a...
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WO/2023/079100A1 |
The present disclosure relates to a method for distance protection of a transmission line carrying a plurality of phases for a phase-to-phase-to-ground fault comprising a first phase and a second phase of the plurality of phases as fault...
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WO/2023/081643A1 |
A method for a fault ride through testing of an electrical system including one or more power sources, one or more power consumers, and a first protective-isolation device and a second protective-isolation device both disposed between th...
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WO/2023/078157A1 |
Provided are a power supply circuit and a display screen. The power supply circuit comprises: a first buck filtering module (103), which outputs a first voltage signal by means of a first output end, and outputs a second voltage signal b...
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WO/2023/076837A1 |
In a general aspect, a method can include detecting, by a motor controller, an operating fault associated with operation of a powertrain of an electric vehicle. The powertrain can include a permanent magnet motor, a multi-phase inverter ...
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WO/2023/073982A1 |
[Problem] To make it possible to further extend the range of a vehicle per charge. [Solution] A battery module comprising: a battery cell group formed from a plurality of lithium-ion secondary battery cells connected in series; a dedicat...
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WO/2023/070783A1 |
The present application belongs to the technical field of power supply. Disclosed are a power source circuit, a working method for a power source circuit, and an illumination apparatus. The power source circuit comprises a first power so...
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WO/2023/070995A1 |
Disclosed in the present invention is a method for processing inter-phase short circuit of a dual-power three-phase power system. The dual-power three-phase power system is provided with a boundary switch, a plurality of partition switch...
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WO/2023/071197A1 |
The present application provides a battery pack charging control method and apparatus, an electronic device and a storage medium, the battery pack at least comprising two groups of batteries connected in parallel. The method comprises: d...
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WO/2023/071495A1 |
Provided is a power-on/off enabling and undervoltage locking circuit for a satellite-borne power supply, comprising an input undervoltage protection circuit (1), a power-on/off signal isolation detection circuit (2), and an instruction d...
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WO/2023/068305A1 |
A control device (10) comprises: a plurality of control units (150, 250); inter-system communication circuits (152, 252); internal power supply circuits (155, 255); and protection circuits (160, 260, 62-64). The control units (150, 250) ...
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WO/2023/068717A1 |
A fire prevention device according to one embodiment disclosed in the present document may comprise: a switch connected to a first line of a battery; a variable resistor connected to the switch; a fuse which is connected to a second line...
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WO/2023/069307A1 |
A circuit breaker trip device includes a circuit interface configured to interface with a receptacle for providing electrical power; a trip mechanism, operatively connected to the circuit interface, configured to overload a circuit break...
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WO/2023/066277A1 |
A critical arc light phase locking determination method. The method is characterized in that same comprises the following steps: step 1, performing real-time monitoring, and collecting an arc light irradiation intensity in a switch cabin...
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WO/2023/068627A1 |
Disclosed is a short-circuit protection device for a switch. The short-circuit protection device according to a first embodiment of the present invention may comprise: a voltage measurement unit for measuring an output voltage of a switc...
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