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WO/2022/190550A1 |
This magnetic saturation detecting circuit is provided with: a detecting unit for detecting a physical quantity related to magnetic saturation in a common mode choke coil provided in series with a path from a power source; a determining ...
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WO/2022/185104A1 |
A robotic device for reducing electromagnetic interference (EMI) noise and suppress leakage current is provided. The robotic device comprises a controller configured to control phase-shift switching of a plurality of axes to reduce elect...
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WO/2022/183257A1 |
The present invention comprises a system and a method for dissipating heat in a single step to the external environment, with a physical separation between the power system (2) and the electronic system (3) with standard assembly of the ...
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WO/2022/184404A1 |
The application describes a discharging circuit (100) for discharging a capacitor (1), comprising - an input (101) for the electrical connection of the capacitor (1), - a transistor (3), the drain terminal (3D) of which is connected by w...
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WO/2022/184293A1 |
The invention relates to a power converter (1, 1a, 1b) for an onboard electrical system (101) of a vehicle (100) which can be electrically driven, having a first line (2) for a first potential (P1), - a second line (3) for a second poten...
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WO/2022/186918A1 |
Techniques are provided for determining a resistance of radio power electrical conductors coupling a voltage converter to a radio using electrical parameter(s) obtained from the radio.
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WO/2022/185703A1 |
Provided is a control line wiring structure that connects between a multi-gate semiconductor element and a gate driver, said multi-gate semiconductor element having a main terminal pair and a plurality of control terminals that control t...
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WO/2022/183479A1 |
The present application relates to the technical field of electric power, and provides a solid-state transformer, a power supply device and a data center, which aim to solve the problems of a solid-state transformer, such as the low powe...
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WO/2022/186549A1 |
Various embodiments of the present document relate to a power supply device capable of reducing a touch current (or leakage current) in an electronic device. The power supply device may include a primary coil, a first ground connected to...
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WO/2022/186438A1 |
An inverter circuit for driving a compressor is disclosed. The inverter circuit according to the present specification comprises: a power supply unit; a rectifying unit for converting an alternating-current voltage of the power supply un...
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WO/2022/187095A1 |
A voltage conversion system includes user interface circuitry disposed on the voltage conversion system. The user interface circuitry is configured to input at least one electrical parameter based on user input. At least one parameter of...
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WO/2022/181906A1 |
The present technology discloses a three-phase and single-phase two-way charger. According to a specific example of the present invention, a battery charger having a single-stage structure for a combined use of single-phase and three-pha...
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WO/2022/179721A1 |
The invention relates to a device for supplying a machine tool with electric energy. The device can be used for example to connect the machine tool to an energy network such that the device can perform the function of a power adapter. Th...
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WO/2022/180367A1 |
A method of controlling a brushless permanent magnet motor having a plurality of phase windings and an inverter for applying voltage vectors to the plurality of the phase windings, the method including monitoring phase current flowing th...
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WO/2022/180924A1 |
This switching control circuit (1), which controls switching of a power transistor (Q), comprises: a pulse transformer (2) which receives an input of a driving pulse signal (S1) that indicates on and off periods of the power transistor (...
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WO/2022/179403A1 |
Embodiments of the present application provide an energy storage system and a black start method. The energy storage system comprises a black start controller, a battery module, a first converter, and a system controller. The black start...
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WO/2022/179188A1 |
Provided in the present application are a DC/DC converter and a soft start overshooting prevention method therefor. The DC/DC converter comprises a DC/DC conversion circuit, an overshooting detection apparatus, a pulse width modulation g...
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WO/2022/179564A1 |
A bridgeless voltage-drop power factor correction circuit, comprising an MOS transistor Q1, an MOS transistor Q2, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, an inductor L1, an inductor L2 and a resistor R1. In the pr...
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WO/2022/179612A1 |
The present invention relates to the technical field of short-circuit protection circuits. Disclosed are a multi-mode combined short-circuit protection circuit, and a working method therefor. The multi-mode combined short-circuit protect...
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WO/2022/176268A1 |
Provided is a gate drive circuit (100) for driving a switching element having a first drain, a first source, and a first gate. The gate drive circuit (100) is provided with a first terminal (T1) into which a gate control signal is input,...
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WO/2022/175365A1 |
The present invention relates in one aspect to an isolated AC-DC power converter comprising primary side circuitry comprising first and second AC input nodes connectable to an AC voltage source for receipt of an AC input voltage and seco...
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WO/2022/177194A1 |
An electronic device according to a disclosed aspect comprises: a rectifying unit for rectifying an input alternating-current voltage; a converter for converting the rectified input alternating-current voltage into a direct-current volta...
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WO/2022/002710A9 |
A boost converter has a main energy storage inductor and a main GaN boost switch with a node between them. A pre-charging switch is connected at the output side of the main boost switch and the inductor, between the node and an output ca...
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WO/2022/177818A1 |
A dual active bridge (DAB) converter includes a variable inductor and a controller configured or programmed to control the DAB converter using triple-phase-shift control. The controller can include a first proportional-integral controlle...
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WO/2022/175047A1 |
The invention relates to a switchover apparatus (50) for driving the windings (48) of an electric motor (12), wherein the electric motor (12) comprises a rotor (40) and a stator (42), wherein the stator (42) has three stator poles (44) a...
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WO/2022/177117A1 |
A power supply according to one embodiment comprises: a rectifier for rectifying input alternating voltage; a converter that includes at least one first switching element and converts the rectified input alternating voltage into direct v...
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WO/2022/175164A1 |
Disclosed is a circuit (100) for a medical device, comprising: - a voltage converter (110, 300) which is configured to provide at least one supply potential (HV) depending on a control signal (302, PWM) provided to the voltage converter ...
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WO/2022/173171A1 |
An electronic device according to an embodiment disclosed herein comprises: a converter for changing the level of received input voltage and outputting an output voltage; a plurality of constant voltage elements which can be switched to ...
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WO/2022/171290A1 |
A direct power AC/DC conversion apparatus employs a dual branch topology. A first branch includes a first AHB switching network configured to receive an AC grid power and produce an AC power, coupled through a series resonant impedance t...
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WO/2022/171385A1 |
The invention relates to a control device for a three-phase inverter of a vehicle prime mover, the control device being designed to activate active discharge of a DC link of the inverter and at the same time to switch on the lower half-b...
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WO/2022/170560A1 |
Disclosed in the present application are a converter and a power adapter, which are used for reducing the energy loss of a power adapter. The converter comprises a direct-current power source, a primary power tube, an auxiliary power tub...
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WO/2022/171457A1 |
Method for discharging at least one electrical energy storage unit of an electrical circuit, especially a capacitor, the electrical circuit further comprising: - a first switching system defining a DC/AC voltage converter and interposed ...
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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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