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WO/2024/068440A1 |
The invention proposes a circuit arrangement that is part of a power converter for actuating the electric drive of a vehicle equipped with an electric drive, having at least two power semiconductors connected in parallel with one another...
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WO/2024/073760A1 |
A boost converter (100) that provides a wide average current limiting range includes a switch (104) coupled to an inductor output (130) and a power input (124), a diode (106) coupled to the inductor output and an output terminal load (12...
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WO/2024/066737A1 |
A DC-DC converter and a control method therefor. The converter comprises a logic module, power tubes (Mp0, Mn0), an inductor (L), an output capacitor (COUT), voltage-division resistors (R1, R2) and an error amplifier (EA). The converter ...
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WO/2024/069449A1 |
A system includes: an inverter including: a first galvanic interface to separate a first high voltage area from a low voltage area; a first low voltage controller in the low voltage area, the first low voltage controller configured to se...
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WO/2024/069433A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a first power module including: a first connection; a second connection; a first power switch inclu...
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WO/2024/068076A1 |
The invention relates to a method (500) for interrupting a charging process of a power source (230) of an electric drive (200), having the steps of: detecting (510) a fault at a highside switch (231, 233, 235) of a first half-bridge of t...
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WO/2024/044999A9 |
An auxiliary power source for an energy storage system. The auxiliary power source comprises: a resonant circuit module (110), comprising a first power supply input end (IN1), a second power supply input end (IN2), a first power supply o...
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WO/2024/066470A1 |
Disclosed in the present invention are a PWM generation method and circuit, a driver control method, an electric motor and an electric motor system. The PWM generation method comprises: on the basis of the polarity of a command current o...
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WO/2024/068114A1 |
The invention relates to a charging device for a vehicle, the input side of the charging device (500) comprising an input terminal unit (100) for connecting a multiphase alternating voltage and a PFC stage (200) for providing a direct vo...
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WO/2024/069451A1 |
A system includes an inverter including: a point-of-use controller for a power module, the point-of-use controller including: a positive voltage connection configured to receive a positive control voltage from a high-voltage controller; ...
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WO/2024/069447A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a bulk capacitor; one or more phase switches; and one or more controllers configured to control a g...
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WO/2024/068113A1 |
The invention relates to the discharging of energy stores such as, for example, DC link capacitors in a high-voltage system, in particular a high-voltage system of an electric vehicle. To this end, a DC-DC converter device having at leas...
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WO/2024/067242A1 |
An electric motor controller and a vehicle. The electric motor controller comprises a micro-control unit (MCU) module, a battery management system (BMS) module, a direct-current converter (DC/DC) module and a power distribution unit (PDU...
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WO/2024/067105A1 |
Provided in the present application are a power control method, a power converter and a power supply system. The power converter comprises a controller and a power conversion circuit, wherein the controller is connected to the power conv...
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WO/2024/068066A1 |
The invention relates to a DC/DC converter with three DC voltage connections between which electrical energy can be exchanged. At least one resonant circuit is provided in the DC/DC converter for resonant operation of the DC/DC converter...
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WO/2024/067343A1 |
A DC-DC converter, comprising a mode switching unit, a first current measurement unit, a second current measurement unit, a third current measurement unit and a logic module, wherein the mode switching unit is used for comparing a refere...
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WO/2024/072014A1 |
An embodiment relates to a power control method of a hybrid parallel power transformer to increase the amount of power generation, wherein the transformer does not have a separate battery charging circuit, but instead configures a conver...
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WO/2024/069366A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including: a first phase switch including one or more first phase power switches; a ...
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WO/2024/067031A1 |
A power switching circuit and an electronic device. The power switching circuit is applied to a notebook computer, and can be used for selecting a proper power supply system according to different states of the notebook computer, so as t...
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WO/2024/063265A1 |
This electronic device comprises: a converter including a first transformer including a primary winding and a secondary winding; a first rectifier connected to the secondary winding of the first transformer and including a diode; and a s...
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WO/2024/061396A1 |
The invention relates to an inverter (1) for supplying current to an electric machine (20), in particular an electric machine (20) within a drive train (3) of a fully electric or hybrid motor vehicle (4), said inverter comprising: an inv...
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WO/2024/061964A1 |
An electrical converter (10) comprises a main stage (12) adapted for converting a DC voltage into an intermediate voltage comprising at least two voltage levels, a filter cell stage (14) with a filter cell (30) for each phase of the inte...
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WO/2024/063294A1 |
Disclosed is an electronic device. The electronic device comprises: an electromagnetic interference (EMI) filter having an input end connected to an input terminal of the electronic device; a bridge diode having an input end connected to...
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WO/2024/059928A1 |
A printed circuit board comprises N power switching cells operating in parallel and respectively comprising a transistor leg, at least one decoupling capacitor and a gate driver circuit. Each transistor leg comprises respective first and...
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WO/2024/063930A1 |
Charge pump circuits having a fractional negative voltage output from a positive voltage input. A control circuit provides for feedback control of the output of such a charge pump, and may include dynamic adjustment of the charge pump ou...
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WO/2024/060526A1 |
The present application provides a frequency control circuit applicable to a PFM control chip, and a related device. In the frequency control circuit, a positive input end of an operational amplifier circuit receives a feedback voltage f...
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WO/2024/060312A1 |
Provided in the present disclosure are a converter module and a converter. Basic structures of a first variable sub-circuit and a second variable sub-circuit are configured, and the first variable sub-circuit is connected to the second v...
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WO/2024/060754A1 |
Provided in the present disclosure is a lamp panel circuit, comprising a test power supply input port and a test power supply return port. The test power input port is connected to a test power supply; a test signal input port of a contr...
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WO/2024/061449A1 |
A method of controlling a modular multilevel converter (MMC) comprising legs, wherein each leg comprises several cells connected in series, the method comprising: ‐ controlling a group voltage of a group of cells constituting at least ...
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WO/2024/061776A1 |
A resonant hybrid flyback converter (100) with overcurrent detection and/or protection for LED lighting means (34) is provided. Said resonant hybrid flyback converter (100) comprises a half-bridge (10), and a flyback resonant tank (20) c...
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WO/2024/061777A1 |
An LLC converter (100) with synchronous rectification for LED lighting means (50) is provided. Said LLC converter (100) comprises a half-bridge (10), a resonant tank (20) comprising a transformer with a primary side (61) and a secondary ...
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WO/2024/060494A1 |
Provided in the present application are an apparatus and method for a multi-path power source to output parallel currents, and an electronic device. The apparatus comprises: a plurality of power source modules, which are connected in par...
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WO/2024/060457A1 |
Provided in the present invention are a common-mode voltage suppression method and system for a quasi-Z-source simplified three-level inverter. The method comprises: according to a sector where a reference voltage vector is located, sele...
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WO/2024/060855A1 |
The present invention belongs to the field of power electronics/new energy. Provided are a bridgeless isolated AC-DC single-stage PFC converter and a control method therefor. A single-transformer technical solution and a dual-transformer...
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WO/2024/060728A1 |
The present application relates to a control method for a bidirectional power conversion apparatus, and a bidirectional power conversion apparatus. The bidirectional power conversion apparatus comprises at least one first switch transist...
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WO/2024/061457A1 |
The invention relates to a device (1) for supplying a direct current to electrolysis cells. The electrolysis cells (7_1 ... 7_n) are arranged in a plurality of electrolysis cell lines (5_1 .. 5_m), and each electrolysis cell line (5_1 .....
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WO/2024/060683A1 |
Provided is an energy storage converter control system stability verification method, comprising: acquiring a current active component expression and a current reactive component expression output by an energy storage converter, and an e...
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WO/2024/056021A1 |
Provided are a system and method for controlling charging and discharging of a battery pack, and a garden tool system. The system for controlling charging and discharging of a battery pack comprises: a battery module; a power board modul...
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WO/2024/056700A1 |
A method for determining a control signal (235) for controlling a switch (205) of a boost converter (200) comprises a step of reading in a current signal (315), a voltage signal (320) and at least one parameter (325) of a component of th...
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WO/2024/058456A1 |
A power conversion device according to one embodiment of the present disclosure may comprise an input voltage sensor for sensing input voltage; a first leg having a first top switch and a first bottom switch. A power conversion device ac...
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WO/2024/058277A1 |
The present invention provides a power conversion circuit that can be operated while suppressing degradation in the properties of a gallium oxide semiconductor. This power conversion circuit at least includes a switching element, and a c...
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WO/2024/056338A1 |
The invention relates to a method for sensing an insulation error in a vehicle charging circuit (FL). This circuit has a DC voltage side (GS), which is insulated with respect to a protective conductor potential (PE), an AC voltage side a...
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WO/2024/056449A1 |
The invention relates to a driver for driving a load, the driver comprising a first node adapted to be coupled to a fluctuating voltage, a second node adapted to be coupled to a stable voltage, a switched mode power converter configured ...
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WO/2024/056339A1 |
The invention relates to a high-voltage system (1) for a motor vehicle, having: - an electric high-voltage energy storage device (2) with storage device-side HV connections (5a, 5b), - a high-voltage onboard electrical system (3) having ...
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WO/2024/055913A1 |
A surge protection method and circuit (30). The circuit (30) comprises: a first power supply input end (L1), a totem bridgeless PFC circuit, a first element (301), a second element (302), a first voltage detection circuit (303) and a con...
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WO/2024/056744A1 |
To ensure safe operation at high input DC voltages (Ue,DC) that change abruptly, an electric DC-to-DC converter (200) is specified with at least one voltage divider unit (T) and a plurality of rectifiers (G1, G2), wherein the at least on...
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WO/2024/055705A1 |
The present application provides a photovoltaic inverter and a control method therefor. The photovoltaic inverter is suitable for a power supply system, and the photovoltaic inverter comprises a conversion circuit, an acquisition circuit...
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WO/2024/055690A1 |
Provided in the present application are a power conversion apparatus and an energy storage system. The power conversion apparatus comprises a power conversion circuit, a first power terminal, a second power terminal and a third power ter...
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WO/2024/058878A1 |
Methods for controlling an inverter performed by an inverter control system and related systems and media. A method (300) includes receiving (302) a forecasted active power (102) and a reactive power profile (122) for an inverter (195), ...
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WO/2024/057504A1 |
This power conversion device comprises: an inverter circuit formed by connecting, in series, switching elements of an upper arm and a lower arm; an output current detector that outputs a detection value of AC current output from a connec...
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