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WO/2023/232495A1 |
The present invention provides a voltage conversion circuit, comprising: multiple voltage conversion branches connected in parallel, each voltage conversion branch comprising: an inductor and a switching module, an input end of the induc...
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WO/2023/234898A1 |
The invention relates to a transformerless inverter with high efficiency, low volume, low weight, high power density, wide input voltage range, ease of application for control and modulation algorithms, which can reduce leakage currents ...
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WO/2023/235228A1 |
Methods and devices for sensing current through a power converter circuit are presented. According to one aspect, currents through high-/low-side transistors are sensed via respective reduced size replica transistors. According to anothe...
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WO/2023/230679A1 |
The present invention proposes a mode of operation in which a conventional DC-AC MMC (1) operates alternatingly in two distinct states: a first state of operation and a second state of operation. During each of these states, half of the ...
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WO/2023/229595A1 |
An ac switch configured to couple and decouple an ac input to a load, the ac switch comprising a first transistor, a second transistor, and a switch controller configured to control the turn ON and turn OFF of the first transistor and th...
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WO/2023/229147A1 |
A display device may include: a display; a processor for processing image data to be displayed on the display; a transformer including a primary winding and a plurality of secondary windings; a first rectifier connected to a first windin...
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WO/2023/227919A1 |
A method for direct current (DC)-DC conversion. The method includes converting an input voltage to a set of output voltages by selecting a first output capacitor in a set of output capacitors of a DC-DC converter, charging an inductor of...
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WO/2023/227342A1 |
The invention relates to a method for pre-magnetizing a medium voltage transformer (T1) which is designed to carry out a voltage transformation between a medium voltage of a medium voltage grid (MVG) on a medium voltage side of the mediu...
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WO/2023/228635A1 |
A semiconductor device 10 comprises, for example, the following: a first driver 163 configured to drive an output element M1 that forms a switch output stage SWO; at least a portion of a bootstrap circuit BST configured to generate a boo...
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WO/2023/228739A1 |
In the present invention, an electric power conversion circuit device comprises an inverter circuit between input terminals (T01, T02) and output terminals (T11, T12). A first connection point (N11) is connected to the first output termi...
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WO/2023/227205A1 |
The present disclosure relates to a power converter arrangement (100) for power conversion in a single-phase power network. The power converter arrangement comprises: an input filter (120) coupled to a first phase terminal (111) to recei...
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WO/2023/226896A1 |
The present application provides a control circuit of a power module, the power module and an electronic device. The power module comprises an active clamp flyback converter circuit and a rectifying circuit. The active clamp flyback conv...
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WO/2023/226348A1 |
Disclosed in the present application are an isolated matrix converter and a control method. The converter comprises bidirectional switch modules, a transformer, a resonant inductor, a resonant capacitor and bridge arm capacitors, a bidir...
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WO/2023/226048A1 |
There is provided a computer-implemented method for predicting commutation failures, so as to prevent commutation failures from occurring, at an inverter side valve group (35, 36) of a Line-Commutated Converter based High Voltage Direct ...
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WO/2023/229196A1 |
A converter circuit according to an aspect of the disclosed invention may comprise: first to fourth inductors which are connected in parallel to each other; first to fourth switching elements which are connected to the first to fourth in...
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WO/2023/225882A1 |
Provided are a soft starting method, a power conversion system and a household energy storage system, which are applied to the technical field of household energy storage, and are used for improving the soft starting effect of a full-bri...
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WO/2023/226723A1 |
Provided in the present invention is a circuit modeling method for a dual-active-bridge-type micro-inverter. The method comprises: establishing an equivalent circuit model, and making a dual-active-bridge-type micro-inverter be equivalen...
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WO/2023/226933A1 |
Provided in the present application are a control circuit for a power source module, and a power source module and an electronic device. The power source module comprises an asymmetrical half-bridge flyback converter and a rectification ...
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WO/2023/226208A1 |
Disclosed in the embodiments of the present application are a robot controller power supply test and protection system, and a robot. The system comprises: a power supply test and protection module, configured to measure an output voltage...
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WO/2023/229876A1 |
A high voltage pulse power delivery system is provided that includes dedicated safety features including fault detection and fault management. Alongside normal communications cabling, the pulse power delivery system provides remote power...
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WO/2023/226011A1 |
A method and apparatus for controlling a variable direct current (DC) bus of a motor drive are provided. A controller receives, over a first input, first and second component voltages of a first direct current (DC) voltage of the electri...
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WO/2023/226317A1 |
The present application discloses a control method and system for a Vienna rectifier. The control method is used for controlling a switching transistor of the Vienna rectifier when direct current is input into the Vienna rectifier. The c...
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WO/2023/225821A1 |
The present application provides a power supply module, a control circuit, and an electronic device. The power supply module is used for receiving alternating current input from an alternating-current power supply. The power supply modul...
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WO/2023/228402A1 |
The present invention provides a highly reliable and low-loss electronic control device that is equipped with a power semiconductor element, in which a high-speed switching operation is possible while a surge voltage at the time of the s...
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WO/2023/229455A1 |
A power converter is proposed for converting a mains input into an output for driving at least one load, in particular for driving a pair of electrodes in a treatment chamber of a pulsed ohmic heating or other pulsed electrical fields te...
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WO/2023/227309A1 |
The invention relates to a method for increasing the service life of converter switches (Q1, Q2, Q3, Q4) in a system (10) comprising an energy source (PV) which is connected to a DC bus (DC+, DC-) together with a DC-to-DC converter (12) ...
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WO/2023/229258A1 |
A switching mode power supply is disclosed. The switching mode power supply comprises: a power input unit which receives input of an input alternating current (AC) voltage; a rectifying unit which rectifies the input AC voltage; a conden...
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WO/2023/226253A1 |
Disclosed in the present invention are a permanent-magnet electric motor system and a soft start method. The permanent-magnet electric motor system comprises a electric motor unit and an electric motor controller. The electric motor cont...
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WO/2023/229875A1 |
A high voltage pulse power delivery system is provided that includes dedicated safety features including fault detection and fault management. Alongside normal communications cabling, the pulse power delivery system provides remote power...
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WO/2023/229900A1 |
Power converter circuits and methods that include self-timed bootstrap capacitor power sources. Added to a power converter having a diode stack for charging bootstrap capacitors are three types of supplemental circuit blocks: a trigger b...
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WO/2023/229877A1 |
A high voltage pulse power delivery system is provided that includes dedicated safety features including fault detection and fault management. Alongside normal communications cabling, the pulse power delivery system provides remote power...
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WO/2023/221526A1 |
The present invention provides an overcurrent protection circuit of a power supply system, and a power conversion device. The circuit comprises: a transformer, a first sampling circuit, a second sampling circuit, a first processor, and a...
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WO/2023/222183A1 |
The present disclosure relates to a high voltage bypass device (10), comprising a cavity (13), a trigger element arranged in the cavity (13), a reservoir (17) filled with a conductive, flowable material (18), and a shutter (19) separatin...
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WO/2023/225419A1 |
An apparatus includes an AC input configured to receive an AC electrical signal and a DC input configured to receive a first DC electrical signal having a lower voltage and a second DC electrical signal having a higher voltage. The appar...
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WO/2023/223063A1 |
The present invention comprises: a first conversion circuit that has a first switching element which performs high-speed switching and that converts power input from an input terminal into a first AC power; and a second conversion circui...
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WO/2023/222420A1 |
Multi-level converter (1), comprising - a capacitor (2); - a resistor (3); - a first switch (4) actuated by a first motor drive (40); - a second switch (5) actuated by a second motor drive (50); wherein - in a closed state, the first swi...
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WO/2023/223679A1 |
A semiconductor device 10 comprises: a first driver 162 for driving an output element M1 which forms a switch output stage SWO; at least a part of a bootstrap circuit BST for generating a boot voltage Vb higher than a switch voltage Vsw ...
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WO/2023/222221A1 |
Disclosed is a DC/DC partial power converter (PPC), comprising a plurality of first switching cells; a capacitive energy storage element; a plurality of second switching cells; and a printed circuit board (PCB). A power input terminal of...
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WO/2023/216705A1 |
The present application provides a power conversion circuit and a power supply system. The power conversion circuit comprises N rectifiers and a control unit; each rectifier comprises two rectifier modules; each rectifier module comprise...
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WO/2023/218836A1 |
This isolated power supply device comprises a plurality of transformers (60a to 60j) having input windings (61a to 61j) and cores. The input windings are each connected to a DC power supply (42), and the output sides of the transformers ...
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WO/2023/217221A1 |
The present application provides a bridge arm circuit having capacitor-assisted turn-off, a converter, a method, an apparatus and a system. The bridge arm circuit having capacitor-assisted turn-off comprises a main branch and an assisted...
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WO/2023/217372A1 |
Provided an AC/DC power converter (300, 422). The AC/DC power converter (300, 422) includes a low-frequency half-bridge switching device circuit (Sa, Sb) (302), a high-frequencyhalf-bridge switching device (S1, S2) circuit (304) and a co...
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WO/2023/218307A1 |
An AC-to-AC converter is described that comprises input terminals, pairs of output terminals, a plurality of bridge arms, and a control unit. The bridge arms are connected in parallel to the input terminals and comprise a respective brid...
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WO/2023/219186A1 |
A power supply device comprises: an EMI filter; a rectification unit for rectifying an AC voltage that has passed through the EMI filter; a power factor correction unit for carrying out power factor correction for the rectified voltage, ...
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WO/2023/219595A1 |
Three-phase, three-level, transformerless, step-down inverter The invention relates to a transformerless, high efficiency, three-level, high power density, three-phase DC/AC inverter used in renewable energy, military land/sea/air vehicl...
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WO/2023/217104A1 |
The present invention provides a switch mode power supply control circuit and a power supply chip. The switch mode power supply control circuit comprises a signal conversion module; the signal conversion module is used for acquiring an i...
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WO/2023/216518A1 |
Disclosed in the present application is a T-type three-level overload operating system. The T-type three-level overload operating system comprises a three-level topological circuit and an overload mode switching system, wherein a first d...
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WO/2023/220682A1 |
Disclosed embodiments may include an apparatus including a first device layer including first switches, a second device layer including second switches, and a third device layer disposed between the first device layer and the second devi...
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WO/2023/219558A1 |
A phase-shift modulated full-bridge power inverter comprises: a leading bridge leg comprising: a first power switch having a first power switch parasitic capacitance; and a second power switch having a second power switch parasitic capac...
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WO/2023/217575A1 |
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 and a filter cell stage (14) with a filter cell (30) for each phase of the i...
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