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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 ...
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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...
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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...
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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...
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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/2023/108670A1 |
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...
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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.
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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 ...
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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...
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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 ...
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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...
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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/2023/093304A1 |
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, ...
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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...
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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...
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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...
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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/2023/087432A1 |
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),...
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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...
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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/2023/080940A1 |
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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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 ...
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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...
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WO/2023/047753A1 |
The battery pack according to an embodiment of the present disclosure comprises: a storage battery; a positive terminal and a negative terminal which are connected to the storage battery; a control circuit having a power supply terminal ...
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WO/2023/045781A1 |
The present application discloses a discharging method of a bus capacitor and a related device thereof. The discharging method is suitable for a DC/DC converter that comprises a chopper unit, a transformer, and a rectifier unit. The bus ...
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WO/2023/041547A1 |
A phase voltage regulator configured for connecting it in a phase line for two- way transmission of energy between a power grid and a receiving installation with energy receivers and an inverter that generates voltage from renewable ener...
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WO/2023/036466A1 |
A precharge device (1) for DC loads is disclosed, which comprises a switching element (SW, SW1, SW2), a magnetic core (MC..MC'') with negatively coupled coils (L1, L2) being switchably connected by the switching element (SW, SW1, SW2). M...
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WO/2023/035439A1 |
The present utility model relates to a processing apparatus for output excitation of a grid-connected converter. The processing apparatus comprises an input port, an output port, a current-limiting resistor R, a timing apparatus T, a nor...
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WO/2023/029813A1 |
Disclosed in the present invention is a control method for suppressing overvoltage of a receiving-end converter under a fault of a receiving-end power grid of a hybrid direct-current power transmission system. When a short-circuit fault ...
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WO/2023/029962A1 |
Disclosed in the present invention are a circuit and method for suppressing a power supply starting surge, a charging apparatus, and a storage medium. The circuit for suppressing a power supply starting surge comprises: a power supply mo...
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WO/2023/034217A1 |
Circuit includes a voltage-detection-path having a first transistor and a second transistor coupled to the first voltage-detection-path by a first terminal of the second transistor. The first voltage-detection-path includes: a first curr...
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WO/2023/030728A1 |
The invention relates to a method (100) for operating a switching device, in particular for an electrical energy store, wherein, starting from a normal state (101) of the switching device in which all components of the switching device o...
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WO/2023/029605A1 |
The present application relates to the technical field of electric control of air conditioners. Disclosed are an alternating-current input circuit, an electric control box, an air-conditioning outdoor unit and an air conditioner, which a...
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WO/2023/024942A1 |
The present application relates to the technical field of washing devices, and in particular, to an OTA updating assistance apparatus, a motor drive board, and a washing device, for use in improving the safety when a washing device perfo...
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WO/2023/020626A1 |
Provided in the present application are a band-gap reference source circuit and an electronic device, wherein the provided band-gap reference source circuit is used for connecting to an electronic device. The band-gap reference source ci...
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WO/2023/022780A1 |
A system and method for identifying an earth fault in a resonant grounded medium voltage network that employs a REFCL compensation system. The method derives a zero sequence real power from a phase voltage to ground on each phase and a c...
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