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WO/2023/038441A1 |
An element module, according to one embodiment of the present invention, comprises one or more first elements, and an element holder for accommodating the first elements, wherein the first element includes a body, and one or more connect...
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WO/2023/035087A1 |
The present invention relates to the field of electronics, specifically to the field of equipment for converting an AC or DC input into an AC or DC output, and in particular, provides a switching cell for a power converter device, charac...
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WO/2023/037523A1 |
This power conversion device comprises: a power conversion circuit which converts DC power into AC power; a positive electrode bus bar and a negative electrode bus bar connected to the power conversion circuit; a capacitor connected to a...
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WO/2023/035707A1 |
Provided are an energy conversion system, an over-temperature operation control method thereof, and a control apparatus (00), comprising: in accordance with the operating temperatures of at least two power modules, determining an over-te...
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WO/2023/036446A1 |
A method of pre-charging a modular multilevel converter (MMC) is provided, including interrupting a normal, first current flow path between the MMC and the electric grid, providing an alternative, second current flow path between the MMC...
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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/2023/032195A1 |
By performing on/off control of a semiconductor element (SW), this control unit (50) for a power converter (20) performs switching control of switching, on the basis of a level designation signal, between a 3-level operation mode of outp...
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WO/2023/032419A1 |
A pulse width modulation control according to the present invention is performed such that, when changing a modulation rate when a sinusoidal wave is used as a waveform of a modulation wave, the modulation rate is continuously changed fr...
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WO/2023/032590A1 |
Provided is a film capacitor comprising a film capacitor element, a busbar, a case, a lid member, a first bonding material, and a second bonding material. The busbar is fixed to the lid member by means of the first bonding material so as...
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WO/2023/030605A1 |
The disclosure relates to a controller for controlling a rectifier for rectifying an AC voltage of an AC grid. The rectifier comprises at least one switch controllable by the controller for short- circuiting an input of the rectifier. Th...
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WO/2023/033491A1 |
An electronic apparatus is disclosed. The electronic apparatus comprises: a power factor correction (PFC) circuit; and a control circuit for controlling the operation of the PFC circuit, wherein the PFC circuit comprises: a first inducto...
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WO/2023/030387A1 |
Provided is a method for suppressing 24th-order noise of an electric motor on the basis of harmonic current injection. The method comprises: converting a three-phase current of an electric motor, which is collected by a three-phase curre...
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WO/2023/032426A1 |
The present invention provides a power conversion device that is connected in parallel with an air conditioner to a plurality of power supply lines of an AC power system to which the air conditioner is connected with a breaker interposed...
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WO/2023/028704A1 |
A bidirectional wireless power transfer system for transferring power comprises a power stage electrically connected to a transceiver element for an electric field and/or a magnetic field, and for extracting power from a generated electr...
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WO/2023/031393A1 |
The problem addressed by the present invention is that of providing an inverter arrangement for a vehicle, which arrangement is of particularly compact design. This problem is solved by an inverter arrangement (1) for a vehicle, having a...
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WO/2023/032150A1 |
A power conversion device (3) converts power from a power supply (1) and supplies the converted power to a load (5). The power conversion device (3) comprises: a first inverter (30) having first capacitors (31, 32) and a plurality of swi...
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WO/2023/034223A1 |
Modulation of switching intervals over a line cycle in an inverter system is provided. In one embodiment, an inverter circuit includes input and output ports, first and second switches. The inverter circuit provides a substantially sinus...
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WO/2023/031345A1 |
An electrical converter comprises a DC link (11), a control unit for operating the electrical converter and a flying capacitor circuit (13) comprising a flying capacitor (CFC), a switch node (s) and first and second switch pairs (T1, T1'...
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WO/2023/032322A1 |
Provided is a power conversion apparatus that is capable of stable power supply during linkage operation and during self-sustaining operation. This power conversion apparatus converts input electric power into a single-phase or a three-p...
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WO/2023/031534A1 |
The invention relates to a filter that comprises: - a positive busbar (202+) and a negative busbar (202-) having: -- a positive terminal (204+) and a negative terminal (204-), respectively; -- at least one positive output terminal (P1+, ...
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WO/2023/032407A1 |
Disclosed is a rectifier circuit that makes it possible to achieve a high breakdown voltage while suppressing an increase in power loss, and a semiconductor device and a power supply device using this rectifier circuit. This rectifier ci...
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WO/2023/032060A1 |
Provided is a power conversion device comprising: a voltage conversion circuit which converts DC voltage; an inverter circuit which converts the DC voltage to AC voltage; a negative electrode bus bar which is connected in common to the v...
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WO/2023/032194A1 |
A control unit (50) for a power converter (20) performs on/off control on semiconductor elements (SW) to have a 3-level operation mode and a 2-level operation mode, said 3-level operation mode outputting an AC voltage consisting of the 3...
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WO/2023/031346A1 |
An electrical converter comprises a voltage source, a flying capacitor circuit with at least one flying capacitor and a plurality of first switching devices, and a voltage balancing circuit. The voltage balancing circuit comprises an ind...
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WO/2023/032844A1 |
One embodiment of a power conversion device (3) according to the present invention comprises a first module (30) that is a heating element, a second module (40) that is a heating element that generates more heat than the first module, a ...
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WO/2023/033778A1 |
The invention relates to devices for converting input electrical energy into output electrical energy having the necessary parameters for powering corresponding electrical energy consumers. The claimed power supply comprises: a primary d...
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WO/2023/033321A1 |
A display device according to an embodiment may comprise a transformer comprising: a core including a first surface and a protruding portion protruding from the first surface along a direction in which the first surface faces, wherein a ...
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WO/2023/029840A1 |
The present application relates to the technical field of rectification, and discloses a synchronous rectifier apparatus, a synchronous rectification method, a power supply and an electronic device. The synchronous rectifier apparatus co...
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WO/2023/031384A1 |
The object of the present invention is to provide a switch module for an inverter arrangement of a vehicle, which inverter arrangement can be integrated particularly easily. For this purpose, the invention proposes a switch module (6) fo...
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WO/2023/028526A1 |
An apparatus and method for delivering power to the gate-drivers used in switching power conversion devices. In a bootstrapping network gate drivers are cascaded between a high-side and a low-side. Each gate driver controls a bidirection...
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WO/2023/023775A1 |
An inverter for use in an energy capture and storage system includes a DC power input configured to receive DC input power from at least one on-site power source. The inverter further includes a common internal DC-bus. At least one varia...
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WO/2023/026734A1 |
The present invention protects inrush resistors from long-term overcurrent. This motor-drive device is provided with: a DC output unit; a smoothing circuit having a capacitor; an inverter circuit; a current-limiting circuit provided betw...
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WO/2023/027920A1 |
This disclosure describes a non-dissipative snubber circuit configured to boost a voltage applied to a load after the load's impedance rises rapidly. The voltage boost can thereby cause more rapid current ramping after a decrease in powe...
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WO/2023/025715A1 |
The invention relates to a circuit arrangement (5) for generating an AC voltage (UAC). The circuit arrangement has at least one modular inverter (7), which is designed as a cascade of a plurality of inverter units (8), as well as a contr...
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WO/2023/024111A1 |
Disclosed in the present application are an inverting conversion circuit and a photovoltaic power generation system. The inverting conversion circuit comprises: multiple access terminals, a half-bridge switch unit, an output capacitor un...
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WO/2023/023786A1 |
A power supply system adapted to supply electrical power for operation of heavy equipment such as mining machinery includes: a hydrogen fuel cell (HFC) module for generating electrical power from stored hydrogen; a power electronics circ...
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WO/2023/026943A1 |
A power converter (60) includes at least one set of upper- and lower-arm switching elements (61 to 66) connected in series between a power supply line (Lp) and a ground line (Lg), and converts and supplies DC power of a battery (15) to a...
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WO/2023/024998A1 |
The present application relates to a power adjustment circuit, a method and apparatus, and a related product, the power adjustment circuit (10) comprising a transformer circuit (101) and a conversion circuit (102). The transformer circui...
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WO/2023/024405A1 |
Provided are a three-level inverter control method and a PCS. The method comprises: obtaining a DC component of an inverter current of a first phase of an inverter and a DC component of an inverter current of a second phase of the invert...
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WO/2023/026859A1 |
This power converter device is appropriately configured. Accordingly, a power converter device (100) comprises, for each phase of a three-phase AC, an AC wiring (40) through which AC terminals (14A,14B) of a plurality of power conversion...
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WO/2023/024848A1 |
A multi-level capacitive pre-charging circuit and a power supply device. When an input alternating current power supply (500) is connected, and a first switching device and a second switching device are in an off state, the input alterna...
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WO/2023/027557A1 |
A hybrid charging device according to the present invention comprises: an AC-DC converter configured to convert alternating current input power to first direct current power; a DC-DC converter configured to convert direct current input p...
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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/2023/021646A1 |
A power conversion device (100) for railway vehicles comprises: an inverter (3) that converts DC power into AC power for a drive motor (6); and a control unit (8) that controls the operation of the inverter (3). The inverter (3) comprise...
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WO/2023/019969A1 |
Disclosed in the present application are an inverter circuit and a driving method therefor, and a multi-phase inverter circuit and an inverter. The inverter circuit comprises a first switch (10), a freewheeling unit (20), a resonant unit...
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WO/2023/022503A1 |
The present invention relates to a wireless charging system and, more specifically, to a method and a device for controlling the output power of a power supply device for wireless charging, the method and the device ensuring a maximum ou...
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WO/2023/022001A1 |
Provided is a technique for enabling reduction of thermal stress due to bonding of a heat-dissipating member and an insulating substrate, and suppression of warping of the heat-dissipating member caused by the thermal stress. A power mod...
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WO/2023/022283A1 |
The purpose of the present disclosure is to provide an induction heating type cooktop which minimizes the formation of negative voltage and the occurrence of ringing in an inverter employing a wide band gap (WBG) element. The induction h...
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WO/2023/021156A1 |
The invention relates to a circuit arrangement (4) for supplying electric power to a primary consumer (M) by way of a first operating AC voltage (uP1), having a control device (8) and at least one first inverter (9) that has a first prim...
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WO/2023/021933A1 |
Provided is a power converter device that can be properly configured. The power converter device (200) is provided with: a plurality of power conversion units (30) each comprising a pair of AC terminals (14A, 14B), a pair of DC terminals...
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