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Patent Searching and Data


Matches 101 - 150 out of 10,670

Document Document Title
WO/2023/145466A1
A discharge circuit (40) causes a smoothing capacitor, which smooths a DC voltage, to discharge via a plurality of resistive elements (41) mounted to a substrate (50). The discharge circuit comprises a series-connected body in which at l...  
WO/2023/145467A1
A discharge circuit (40) discharges a smoothing capacitor (31) for smoothing a DC voltage. The discharge circuit comprises resistance elements (41) connected to the smoothing capacitor in parallel, a transistor (42) connected to the resi...  
WO/2023/146919A1
An arc flash suppressor, system, and method are disclosed. The arc flash suppressor includes a main processor, a current sensor processor, a voltage sensor processor, a plasma ignition detector, and an arc flash extinguishing circuit. Th...  
WO/2023/140868A1
A timer-based fault protection circuit (100) is provided, which comprises a high voltage line (102) configured to electrically couple to a first terminal of an intrinsically safe load (ISL), a low voltage line (104) configured to electri...  
WO/2023/139173A1
The invention relates to an electronic circuit arrangement for current limitation in a load circuit, having a power semiconductor (M1) located between a supply voltage and a load, the control input of which power semiconductor is connect...  
WO/2023/134129A1
The present application primarily relates to the field of card hardware design and discloses a method and circuit for protecting a PCIe card power supply, a device, and a medium. In the method, when a PCIe card is not completely inserted...  
WO/2023/134760A1
Provided in the present disclosure are an overcurrent protection apparatus for an electromagnetic actuation device, and an explosion-proof solenoid valve on which said overcurrent protection apparatus is integrated. The overcurrent prote...  
WO/2023/135224A1
A voltage limiting device (15) for constant current circuits (10) comprises input terminals (153) for connecting the voltage limiting device to a current supply (11) of a constant current circuit, output terminals (154) for connecting th...  
WO/2023/134458A1
An electronic device. The electronic device comprises an interface, a voltage detection circuit and a processor. The interface is used for connecting a power supply device and comprises a first pin and a second pin, wherein the first pin...  
WO/2023/133578A1
An over-voltage protection system is provided for use with electrical equipment. The system includes a protection circuit having a first bus (141) for receiving electrical power, a second bus (142) for providing power to the equipment (2...  
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...  
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...  
WO/2023/116218A1
Provided are a residual voltage elimination circuit and an electronic apparatus. The residual voltage elimination circuit is applied to the electronic apparatus. The electronic apparatus comprises a power supply (VS1) and a load (Load). ...  
WO/2023/115793A1
Provided are an adaptive protection circuit and method for voltage-multiplying startup of a wireless charging system. An input voltage vrect of a receiver of a wireless charging system is detected, so as to control a voltage-multiplying ...  
WO/2023/115832A1
An apparatus for suppressing a peak pulse at an input end of a hot plug line. The apparatus comprises an absorption circuit, a control circuit and a hot plug line, wherein an input end of the absorption circuit is connected to an input e...  
WO/2023/118894A1
The invention provides a signal conditioning stage for a photonic current or voltage transducer (1) which comprises a number of burden resistors and a number of switches in parallel with the burden resistors, the switches operable to sho...  
WO/2023/120909A1
The present invention relates to a solid state circuit breaker, comprising: a semiconductor switch unit including a semiconductor switch that electrically connects or disconnects a power system and a load according to a voltage applied t...  
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...  
WO/2023/108670A1
An electrostatic protection circuit, a power management chip and a display terminal. The electrostatic protection circuit comprises a level shifter (10) and a power management integrated circuit (20). The electrostatic protection circuit...  
WO/2023/104501A1
The invention relates to a device and a method for overvoltage monitoring of at least two overvoltage events by means of a temporal monitoring and an overvoltage limitation.  
WO/2023/102697A1
Embodiments of the present application relate to the technical field of chips, and provide an electrostatic protection circuit, a chip, and a terminal. Coupling a first switch between a first voltage end and a grounding end can not only ...  
WO/2023/101187A1
A superconducting current-limiting type DC circuit breaker according to an embodiment of the present invention, comprises: a current-limiting unit connected to a power system; and a circuit breaking unit connected to an end of the curren...  
WO/2023/101162A1
A string optimizer of the present invention is connected between a photovoltaic string and an inverter, which constitute a photovoltaic power generation system, so as to boost or bypass and output a voltage applied from the photovoltaic ...  
WO/2023/092696A1
A multifunctional self-checking switching-on power supply device, relating to the technical field of power supply devices, and comprising: a battery energy storage module (1), a boosting module (2), an inversion module (3), a control mod...  
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 ...  
WO/2023/093304A1
The present invention relates to the technical field of discharge control of internal combustion locomotives, and in particular to an emergency discharge control method for a main and auxiliary integrated internal combustion locomotive, ...  
WO/2023/097103A1
A direct current (DC) hybrid circuit breaker (HCB) includes a current sensor and a variable inductor. In the event of a short circuit fault current reaches a preset threshold, the current sensor will send a tripping signal to a controlle...  
WO/2023/093658A1
The present application provides a lightning strike protection method, applied to a lightning strike protection apparatus. The lightning strike protection apparatus comprises an input end and an output end; the input end comprises a posi...  
WO/2023/087434A1
The present invention relates to a power distribution network grounding fault step-down active arc extinction power supply and a control method therefor. The active arc extinction power supply comprises a step-up transformer T2, a four-q...  
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...  
WO/2023/087432A1
The present invention relates to the technical field of pre-magnetizing apparatuses, and in particular to a pre-magnetizing apparatus for a power supply transformer. The pre-magnetizing apparatus comprises a main power supply source (1),...  
WO/2023/086173A1
A trigger circuit includes a first capacitor and a second capacitor connected in series, a control device and an output of the trigger circuit. The first capacitor is connected to a first voltage rail and to a common node. The second cap...  
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...  
WO/2023/080940A1
A system and method for suppressing EMP-induced voltage surges due to detonation of a nuclear weapon at high altitude generating an EMP (HEMP) comprising E1, E2, and E3 component pulses. A plurality of shunting assemblies, each including...  
WO/2023/077625A1
An electrostatic protection circuit (100) for a chip (10). The chip (10) comprises a power supply welding pad and a ground welding pad. The electrostatic protection circuit (100) comprises: a monitoring assembly (110) for generating a tr...  
WO/2023/073159A1
A method for connecting a high-voltage battery (2) to a high-voltage system (3) using at least one relay (5) in a drivetrain of an electric or hybrid vehicle, comprising: precharging the high-voltage system (3) on the basis of a preestab...  
WO/2023/071747A1
The embodiments of the present application relate to the technical field of lightning surge protection circuits. Provided is an anti-lightning-surge circuit. The circuit comprises a first-stage protection circuit, a second-stage absorpti...  
WO/2023/071096A1
The present application discloses a bleeder circuit, a battery management system, a battery, a protection method, and an electronic apparatus. The bleeder circuit comprises: a first branch, which is connected to a protected unit, the fir...  
WO/2023/066519A1
For a solid-state DC device (1 ) comprising: a first conductor path (2) and a second conductor path (5), a first power semiconductor (12) in the first conductor part (2), a first snubber (8), a first relay (9) arranged in series to the f...  
WO/2023/066618A1
The invention relates to an intrinsically safe automation field device for use in a potentially explosive area, said device comprising: - two connection terminals (30a, 30b) for connecting a two-wire line (14); - a sensor and/or actuator...  
WO/2023/066590A1
The invention relates to an intrinsically safe automation field device for use in a potentially explosive area, said device comprising: - a first and second connection terminal (30a, 30b) for connecting a two-wire line (14) via which a c...  
WO/2023/066042A1
The present application relates to the technical field of power supply, and in particular to a surge protection device and a power supply system. The surge protection device comprises a housing and an integrated device fixed inside the h...  
WO/2023/068750A1
Disclosed is a wireless power transmitting apparatus. The wireless power transmitting apparatus comprises: a receiver receiving power from the outside; a resonator that converts the power received by the receiver into wireless power, and...  
WO/2023/061333A1
Disclosed in the present application are a bleeder circuit control method and apparatus, a bleeder device, and an electronic device. The bleeder circuit comprises a first path and a second path; the first path is connected in parallel wi...  
WO/2023/058555A1
This transient voltage absorbing element (101A) is connected in series with a signal line and in shunt with respect to a reference potential, and comprises: a base material; a first input/output terminal (T1) formed on the base material ...  
WO/2023/050990A1
An ESD protection circuit (100) of a radio frequency power amplifier, comprising an input end (RFin), an output end (RFout), a transistor (Q0), a bias circuit (1), and a first ESD protection circuit (EC1). A base of the transistor (Q0) i...  
WO/2023/051959A1
For a solid-state DC device (1) comprising a first conductor path (2) with a first power supply connection (3), a second conductor path (5), a first semiconductor circuit arrangement (11) with a first power semiconductor (12) in the firs...  
WO/2023/050201A1
Provided in the present application are a filter, a remote radio unit and a base station. The filter comprises a filter main body, a connector and a lightning protection structure, wherein a dielectric body is disposed inside the filter ...  
WO/2023/055823A1
A device (102) includes a protected terminal (VDD), a reference terminal (GND), and a rate- triggered circuit (404) coupled to the protected terminal and to the reference terminal. The rate- triggered circuit is configured to provide an ...  
WO/2023/051576A1
A voltage stabilizing circuit for an on-board battery power supply, and a charging socket (71) for a new energy vehicle. The voltage stabilizing circuit comprises: a voltage stabilizing module (61), which has several pins; and a peripher...  

Matches 101 - 150 out of 10,670