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Matches 1 - 50 out of 1,059,792

Document Document Title
WO/2021/115965A1
There is provided a wireless power transfer system comprising a power transmitter for providing power to a power receiver via an inductive power signal which comprises a power transmitter which in turn comprises a transmitter resonant ci...  
WO/2021/114570A1
Disclosed is a high-adaptability cable binding power pipeline, comprising a middle pipe body, and a head end and a tail end that are arranged at two ends of the pipe body, wherein the pipe body is sequentially provided, from inside to ou...  
WO/2021/114183A1
Disclosed is a wireless charger, comprising a shell (1), a low-internal-resistance cable (2) and a power conversion module (3), wherein the shell (1) comprises a body (11) and a limiting and fixing part (12); a transmitting coil (10) cap...  
WO/2021/114380A1
Disclosed in the present application are a battery charging method, a storage medium, and a terminal. The method comprises: when a battery is in a charging state, obtaining a discharge current of the battery; determining whether the disc...  
WO/2021/115585A1
A vibrating actuator for producing two different vibrations is disclosed, comprising a first moving part (210) including at least three magnets (320), wherein the magnets (320) are arranged with like polarities facing each other; a secon...  
WO/2021/117587A1
An actuator for an internal combustion engine variable compression ratio mechanism has: a housing having an electric motor for making a variable compression ratio mechanism variable by rotations of a motor shaft, an electric motor attach...  
WO/2021/117789A1
In this rotating electrical machine, a stator includes a multiphase stator winding (61) including, for each phase, a phase winding comprising a plurality of partial windings (151), and a cylindrical member (62) on the radially outer side...  
WO/2021/118062A1
Disclosed are a solar cell module monitoring apparatus and method by which whether each solar cell module, which is a minimum unit of a solar panel of a solar power generation system, is broken can be determined. The disclosed apparatus ...  
WO/2021/118871A1
Selectable current limiting for a power tool (100). One embodiment provides a method for selectable current limiting for a power tool (100) including determining, using a current sensor (270), an average current and determining whether t...  
WO/2021/119672A1
Handwheel systems, including control consoles incorporating handwheels of the inventive subject matter, are described in this application. Handwheels described in this application can be used to control remotely located motors, especiall...  
WO/2021/119458A1
In various representative aspects, an assembly for connecting and electrically bonding two solar panel rail guides. More specifically, the assembly provides a splice that slides within two solar panel rail guides and includes an elongate...  
WO/2021/116028A1
The invention relates to a modular system comprising a peripheral (3) for an alarm system installation and a plurality of different power-packs (10) for the peripheral (3), the different power-packs comprising at least one of a battery t...  
WO/2021/114748A1
The present invention relates to a model-predictive virtual voltage vector control-based method for suppressing the zero-sequence circulation of a three-level NPC inverter: by means of analyzing the space vectors of a three-level inverte...  
WO/2021/117224A1
A switchgear (1) comprising, inside a housing (10): breaker compartments (20a, 20b) in which breakers (2a, 2b) are accommodated; and control compartments (50a, 50b) in which control instruments (510, 520, 530, 540) that control the openi...  
WO/2021/114987A1
Provided in the embodiments of the present specification are an autonomous robot, a wireless charging and docking method and apparatus therefor, and a storage medium. The method comprises: when the electric quantity of the autonomous rob...  
WO/2021/116039A1
The invention relates to an electric motor (1) of an AC voltage-operated handheld power tool (2), comprising a stator (6) which has a plurality of windings (9) which are accommodated in a stator laminated core (10) and have basic electri...  
WO/2021/116100A1
The invention regards a mobile lubrication pump, comprising: - a motor for driving the pump for producing a pump pressure, - a pressure monitor for measuring the pump pressure, - a motor controller for regulating the operation of the mot...  
WO/2021/117551A1
Provided is a polyphase power-supply device that, in association with switching made to a switching frequency, prevents continuation of a state in which output electric power is unbalanced or prevents a state in which imbalance of output...  
WO/2021/117453A1
A control device (1) is configured to be provided with a control circuit (3) for finding voltage command values (Vu*, Vv*, Vw*) such that a d-axis current (Id) and a q-axis current (Iq) approach a d-axis current command value (Id*) and a...  
WO/2021/114607A1
The present invention provides a ventilation and cooling structure of a permanent magnet motor, comprising a housing, a first end cover, a second end cover, a stator and an air driving device. The housing encloses a mounting channel, and...  
WO/2021/117110A1
The purpose of an embodiment of the present invention is to provide a gas density switch that can be used stably and is capable of suppressing the occurrence of a malfunction due to vibration during operation of a circuit breaker. A gas ...  
WO/2021/114543A1
A busbar structure and a manufacturing method therefor, relating to the technical field of motors. The method comprises: manufacturing an upper ring body (1), a middle ring body (2), and a lower ring body (3), the upper ring body (1) com...  
WO/2021/117492A1
A load (12) is detachably connected to a device connector (Ta) of a switch device (10). If a sub-switch (40) is on, the resistance of a switch circuit (26) is greater than the on-resistance of a main switch (20). During a state in which ...  
WO/2021/117192A1
This power conversion device is provided with: a power conversion circuit that is provided with a DC terminal connected to a solar battery panel and an AC terminal connected to an AC power system and that converts DC power generated on t...  
WO/2021/117902A1
An electricity storage device (4) is provided with an electricity storage unit (1211) having a plurality of cells and a BMU (1212) for controlling the electricity storage unit (1211). The BMU (1212) is provided with an upper limit power ...  
WO/2021/115146A1
The present disclosure relates to a voltage regulation apparatus, a chip and an electronic device. The apparatus comprises: a voltage output module; a first voltage generation module; a second voltage generation module; a voltage regulat...  
WO/2021/118112A1
A current measurement apparatus for a three-phase inverter, according to one embodiment of the present invention, comprises: a current detection element connected to a lower end of one of three lower switches constituting the inverter; a...  
WO/2021/115093A1
Disclosed is a direct lightning protection device comprising a lightning receptor (1), a lifting rod (3), an adapter, a grounding unit and a downlead (2), wherein the adapter comprises an insulating member (10), a copper seat (7) and a b...  
WO/2021/114568A1
Disclosed is a combined damp-proof power switch cabinet, comprising a cabinet body (17), wherein a cabinet bottom hole (18) is provided in the bottom of the cabinet body (17), the bottom of the cabinet body (17) is connected to a damp-pr...  
WO/2021/117669A1
A drive device for an electric motor according to the present invention has: a first relay that turns a power supply line from a power source to the electric motor on and off; a resistor provided to a bypass line that bypasses the first ...  
WO/2021/115101A1
The present invention provides a medium-high voltage bidirectional all-solid-state direct-current circuit breaker and a high-potential energy supply apparatus thereof. The medium-high voltage bidirectional all-solid-state direct-current ...  
WO/2021/117146A1
Provided is a power converter control device capable of suppressing fluctuation of the output voltage of a power converter. The power converter control device is provided with: an overvoltage detector for detecting an overvoltage on the ...  
WO/2021/117097A1
Provided is a water electrolysis system comprising: a power generation device; a water electrolysis cell; and a power converter that converts the power supplied from the power generation device and generates an output voltage to be appli...  
WO/2021/114723A1
Disclosed are a single-phase permanent magnet synchronous electric motor, and a dust collector. The single-phase permanent magnet synchronous electric motor comprises multiple types of stator teeth. The multiple types of stator teeth at ...  
WO/2021/117566A1
A protection circuit 100 of a power storage device 20 equipped with external terminals 58A, 58B, the protection circuit 100 being equipped with a return circuit 110 connected in parallel to a load 12 connected between the external termin...  
WO/2021/118082A1
A display device and a video wall display system including same are provided. The display device comprises: a pixel circuit layer including a plurality of transistors; first and second electrodes formed on the same layer of the pixel cir...  
WO/2021/118436A1
A battery module comprising a plurality of battery cell units (1), each one comprising: a battery cell (2) having a first pole (3) and a second pole (4), and a switch circuit (5), comprising a plurality of switches (8, 11, 12), and a swi...  
WO/2021/114418A1
Provided is an electric motor drive circuit. Short-circuit connection control can be performed on a current-limiting resistor (R1) and an electric motor at the same time by using an independent relay (2), thereby saving on costs. Moreove...  
WO/2021/116791A1
The invention relates to a device for identifying a fault in the windings of a distribution transformer, a transformer, and an associated method, said device comprising: a first Rogowski current sensor at a high-voltage terminal, and a s...  
WO/2021/114849A1
An island power grid energy storage system hierarchical control method for ameliorating new energy power generation fluctuation. The method comprises: implementing a rolling scheduling method on the basis of a model predictive control th...  
WO/2021/117565A1
A protection circuit 60 is provided with: switches 61, 62 positioned on a power line PL of an electricity storage element 22 and a load 12; first protection elements 63, 64, 65 connected in parallel with the switches 61, 62 and absorbing...  
WO/2021/117087A1
A rotor (1) of a dynamo-electric machine, the rotor (1) comprising a rotor core (2) in which annular plates (3) made of a magnetic material are stacked in the axial direction, and a shaft (4) that is press-fitted on the inner circumferen...  
WO/2021/117422A1
The purpose of the present disclosure is to improve operating feel. This wiring device (1) comprises an operation handle (2), a switch body (3), and a fixture (5). The operation handle (2) has a long operation surface (20) in a first dir...  
WO/2021/115033A1
An uninterrupted power supply (UPS) and a battery pack buck-boost circuit thereof, in the battery pack buck-boost circuit, cathode (Bat+) of the battery pack is respectively connected to a first switch unit (S1) and a third switch unit (...  
WO/2021/118905A1
Aspects of the present disclosure provide for a circuit (121). In at least some examples, the circuit includes a first switch (202) coupled between a first node (222) and a second node (224) and a second switch (204) coupled between a th...  
WO/2021/113894A1
The invention relates to a power converter device (10), in particular for a vehicle (4), comprising a power converter unit (11) for connecting an alternating voltage unit (3) to a direct voltage unit (2), the power converter unit (11) co...  
WO/2021/117831A1
A magnet portion (22) has a plurality of arc magnets (710, 720) arranged side by side in the circumferential direction and a magnet holding portion (31) to which the magnets are fixed, wherein: the magnets have an easy magnetization axis...  
WO/2021/117303A1
A pulse voltage generator 7 calculates a corrected pulse voltage application time Ton'. The pulse voltage generator 7 also outputs, for the duration of the corrected pulse voltage application time Ton', a voltage vector closest to a roto...  
WO/2021/116422A1
The invention concerns a method for coupling a hydroelectric power plant in a turbine mode to a grid, in order to generate power for a grid, said hydroelectric power plant comprising at least a first hydroelectric unit (10) and a second ...  
WO/2021/116649A1
An electric motor (112) includes a housing (205), a stator assembly (198) disposed within the housing (205), and a rotor assembly (116,119) mounted within the housing (205) for rotation within the stator assembly (198). The stator assemb...  

Matches 1 - 50 out of 1,059,792