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WO/2022/171523A1 |
This disclosure provides a resonant LLC power converter unit to provide a plurality of power outputs. The power converter unit includes multiple transformers arranged such that at least one primary winding of each transformer is connecte...
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WO/2022/171346A1 |
A charging voltage converter on a vehicle is equipped with an upstream circuit (VS), which has at least one working inductor (L, L+). The converter also has a switching unit (SE), which is connected downstream of the upstream circuit (VS...
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WO/2022/173374A1 |
A circuit for use in an LLC converter comprises a first primary side switch, a first secondary side switch assembly, and a controller. The controller is configured to measure, on the primary side of the LLC converter, a first voltage and...
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WO/2022/170825A1 |
Provided in the embodiments of the present application are a display device and a prediction method thereof, the display device comprising a processor, a PWM driver, a DC/DC converter, and multiple backlight sources; the PWM driver is us...
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WO/2022/166390A1 |
A filter circuit, a protection device, and an electrical device, wherein the filter circuit comprises a filter sub-circuit and a power supply circuit. The power supply circuit comprises a neutral wire, a live wire and a protective earthi...
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WO/2022/166901A1 |
Disclosed in the present disclosure are an overcurrent protection circuit and a control method therefor. The overcurrent protection circuit comprises: a sampling circuit connected to a target object and configured to collect the voltage ...
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WO/2022/168222A1 |
A power conversion device according to the present invention comprises: a power conversion unit having at least two switching elements connected thereto in series; and a gate drive circuit that outputs a pulse signal based on a control s...
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WO/2022/167388A1 |
An interleaved power converter having two or more parallel converter arms with a coupled inductor having a winding for and connected to each of the converter arms, comprises a by pass switch for each of the windings and a control unit ar...
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WO/2022/169487A1 |
Controller circuitry can employ a method to provide control signals to bridge switches operating an inductor for switched-mode inductive buck-boost voltage regulation. The buck mode can operate the bridge switches in a buck current contr...
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WO/2022/168249A1 |
This control apparatus suppresses degradation of performance of a power storage device.　The control apparatus comprises: a detection unit (1) for detecting a power-storage-device parameter concerning a power storage device (10); an imp...
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WO/2022/169481A1 |
An example method includes receiving, by a sink device and from a power adapter, an input power signal having an input voltage level; and performing, by hardware of a 3-Level buck converter of the sink device, a divide by two operation o...
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WO/2022/167603A1 |
A method for controlling the heating of a susceptor of an aerosol- generating device is described, the susceptor being inductively heated by an oscillating circuit (6) driven by an inverter (5), an optional boost converter (8) being conn...
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WO/2022/166566A1 |
A switching tube control method and device, and a direct-current converter. In the solution, after a switching tube on a leading bridge arm in a phase-shifted full-bridge converter is disconnected and a current on a transformer is not gr...
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WO/2022/165815A1 |
The present application provides a ripple current control method and system, and a device. The method can be applied to a PFC+CLLC circuit. Output current of a CLLC circuit is collected, a ripple current peak-to-peak value in the output ...
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WO/2022/167911A1 |
A power factor correction device (1) comprises a power supply side (2) which can be connected to an alternating current source (G), an output side (3) which can be connected to a direct current load (L), at least a first power inductor (...
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WO/2022/168675A1 |
A gate driver (10) is provided with: a low-voltage circuit chip (60) including a low-voltage circuit that operates by having a first voltage applied thereto; a high-voltage circuit chip (70) including a high-voltage circuit that operates...
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WO/2022/167062A1 |
An isolated bidirectional active-half-bridge resonant DC-DC power conversion apparatus employs dual control strategies to regulate bi-directional power flow between two DC sources. The apparatus includes a first half bridge switching net...
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WO/2022/168674A1 |
This gate driver (10) comprises: a low voltage circuit (20) that operates when a first voltage (V1) is applied; a high voltage circuit (30) that operates when a second voltage (V2) higher than the first voltage (V1) is applied; a transfo...
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WO/2022/167908A1 |
A method (100) of operating a switched-mode power factor correction circuit (200) comprises receiving (102) a first input signal (S1) representing a momentary AC input voltage, and operating (108), under control of a power factor control...
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WO/2022/168524A1 |
Provided is a control device for a power conversion device, the control device being capable of preventing an erroneous operation due to a high voltage applied to an upper-phase-side FET and a resulting short circuit of arms in upper and...
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WO/2022/167192A1 |
A DC-to-DC converter according to the invention comprises a plurality of stages. Each stage comprises a parallel circuit composed of an input capacitor (CIn1, CIn2) and of a series circuit, which has at least one inductor (LWp1, LWp2) an...
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WO/2022/165795A1 |
Provided in the present application are a method and an apparatus for suppressing a current ripple, a device, and a readable storage medium, wherein the method for suppressing a current ripple comprises: a first device collects and calcu...
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WO/2022/167546A1 |
Aircraft actuator power supply architecture, comprising an on-board, single-phase electrical network connected by a power line to an electric motor of at least one actuator, the power line successively comprising an upstream conversion d...
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WO/2022/160533A1 |
The present invention provides a level shift circuit (100) and a level shift integrated circuit (IC) (200). By forming a series connection with a first diode and an output end and an input end of a level shift module (110), the problem i...
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WO/2022/160791A1 |
Embodiments of the present application disclose a topological structure of a hybrid converter and a control method therefor. The topological structure comprises: at least one phase of main branch, each phase of main branch comprising an ...
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WO/2022/161794A1 |
The invention relates to a power supply system (1) comprising at least two individual components (2), wherein at least one of the individual components (2) is designed to provide electrical energy and wherein a predetermined majority of ...
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WO/2022/160972A1 |
Disclosed in the present invention is a modular multilevel converter (MMC) sequence impedance modeling method under phase-locked loop coupling, comprising the following steps: S1. establishing a circuit topology model; S2. establishing a...
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WO/2022/160930A1 |
The present application discloses an active commutated hybrid converter topology structure and a control method therefor. Said topology structure comprises: a three-phase six-bridge arm circuit, wherein each phase bridge arm circuit of t...
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WO/2022/161696A1 |
The invention relates to a method for operating a drive system, having a first inverter and a second inverter, and to a drive system for carrying out the method. A first electric motor is supplied from the alternating voltage-side connec...
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WO/2022/161354A1 |
The present application relates to the technical field of electronics, and discloses a charging apparatus and an electronic device. The charging apparatus comprises a control module, a first switch, at least one second switch, and a plur...
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WO/2022/161732A1 |
The invention relates to an electronics unit (10) for an electrical device, in particular for a motor-operated electrical device, comprising a printed circuit board (40), which is populated in particular on one side and comprises a plura...
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WO/2022/164164A1 |
A battery switch driving circuit according to an embodiment of the present invention comprises: a first battery input terminal and a second battery input terminal; a converter positioned between the first battery input terminal and the s...
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WO/2022/161095A1 |
An MMC half-bridge sub-module capacitor voltage ripple multi-scale suppression method, comprising: firstly, collecting a three-phase voltage signal usj and a three-phase current signal isj on an alternating-current side, three-phase uppe...
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WO/2022/161678A1 |
An installation for the inductive transfer of electric power from a primary conductor system of the installation to a secondary winding of a mobile part of the installation, said mobile part being movable relative to the primary conducto...
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WO/2022/160927A1 |
Disclosed are a hybrid converter topology structure with direct-current-side common bus auxiliary commutation, and a method therefor. The topology structure comprises: a three-phase and six-bridge arm circuit, wherein a first end of a fi...
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WO/2022/165522A1 |
A DC-DC power converter with closed loop error compensation may operate in both pulse width modulation (PWM) mode and pulse frequency modulation (PFM) mode. The DC-DC power converter includes type III compensation, and is operable in PWM...
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WO/2022/165485A1 |
The present disclosure relates to a totem pole bridgeless power factor correction device and a power supply system. The device includes a power factor correction module. The power factor correction module includes a first transistor, a s...
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WO/2022/165486A1 |
Certain aspects of the present disclosure are directed to an apparatus for voltage regulation. The apparatus generally includes a first switch, an inductive element, the first switch being coupled between a first voltage rail and a first...
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WO/2022/164330A1 |
There is provided a rectifier of an alternating input current, which may comprise: an electrical switch comprising a length of HTS material to carry an alternating switch current, the HTS material having a critical current; a magnetic fi...
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WO/2022/161880A1 |
An isolated driver generates a PWM load drive level signal at the primary side and provides this to the secondary side via an optocoupler. Power consumption of the load is also sensed at the primary side. A drive level is sensed at the s...
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WO/2022/161352A1 |
The present application discloses a power supply apparatus and an electronic device, which belong to the technical field of electronics. The power supply apparatus comprises a switch control module, a first switch, at least one second sw...
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WO/2022/157348A1 |
A bi-directional power converter (200B), a control unit (104), a charging device (200A) and a method (600) for transferring power between an EV (106) and a power grid are provided. The bi-directional power converter (200B) includes an is...
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WO/2022/155912A1 |
Provided are a control circuit of a bidirectional charging system and a vehicle-mounted bidirectional charger. The control circuit of a bidirectional charging system comprises an input module (100), a first switch module (200), a second ...
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WO/2022/158002A1 |
Provided is a method to control a power semiconductor module comprising monitoring at least one operating parameter, and only if the operating parameter is kept into a range and the operating parameter's range has an initial status, init...
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WO/2022/157670A1 |
A method and apparatus for controlling an intermediate resonant circuit in a wireless power or IPT system includes regulating a secondary with which the intermediate circuit is magnetically coupled so as to control the VA in the intermed...
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WO/2022/156269A1 |
A power distribution system and a server system, which are used to implement backup of the power supply of a power distribution device, thus reducing backup costs, and improving the load rate of a power supply device as well as the effic...
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WO/2022/157350A1 |
A bi-directional power converter (200B), a control unit (104), a charging device (200A) and a method (600) for transferring power between an EV (106) and a power grid are provided. The bi-directional power converter (200B) includes an is...
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WO/2022/156122A1 |
An LED drive power supply and an efficiency adjustment method therefor. The LED drive power supply comprises a PFC power circuit (101) located at a front stage, a DC-DC power circuit (102) located at a rear stage, a stability control mod...
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WO/2022/156258A1 |
A converter and a traction drive system. The converter comprises: a TCU, an auxiliary inverter, and an N-fold converter module, wherein N is a positive integer. The converter module comprises: a four-quadrant rectifier that has two bridg...
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WO/2022/158870A1 |
Various embodiments of the present disclosure relate to an electronic device capable of providing power to an external device, and the electronic device may comprise: a battery; an interface module; a detection module electrically connec...
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