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WO/2023/160933A1 |
The invention relates to a flying capacitor device (1, 1'), such as an inverter arm (1) or a boost DC-DC converter (1'), comprising a plurality of N switching cells (2, 2') nested in each other and a balancing circuit (50) adapted to hav...
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WO/2023/161600A1 |
A buck-boost converter for converting an input voltage at an input node into an output voltage at an output node, the converter comprising: first and second inductor nodes for connection of an inductor therebetween; a first converter sta...
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WO/2023/161066A1 |
A converter system (14) comprises at least two branches (18), wherein each branch (18) comprises an AC-to-DC converter (26) and a DC link (28) cascade connected with each other. A method for controlling a converter system (14) comprises:...
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WO/2023/162097A1 |
This overvoltage detection circuit has: a bus-bar voltage detection circuit (7); a first delay circuit (29) that delays bus-bar voltage by a first delay time; a comparator (28a) that compares the delayed bus-bar voltage with a first cuto...
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WO/2023/162051A1 |
This power conversion device comprises a power module having a semiconductor device for converting DC power to AC power and a cooling flow path for cooling the semiconductor device. The power conversion device has a metal housing member ...
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WO/2023/162784A1 |
This voltage control device is for controlling output voltage by turning on/off a switching element by means of a control pulse. The voltage control device comprises: a modulation wave generation unit for generating a sine wave, based on...
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WO/2023/157162A1 |
Provided is a power supply system for an autonomous system comprising: a plurality of power supply devices; a plurality of voltage-source voltage control power conversion devices that are connected in parallel with an autonomous system, ...
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WO/2023/155424A1 |
The present application provides a voltage conversion unit, an inverter, and a photovoltaic power generation system. The voltage conversion unit provided by the present application comprises a transformer, a primary circuit, and a second...
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WO/2023/156003A1 |
A modular multilevel converter (101) is provided. The modular multilevel converter includes a plurality of converter cell modules (110) and a supporting structure (120) comprising a first level (121) and a second level (122). Vertical ai...
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WO/2023/155044A1 |
The embodiments of the present application relate to the technical field of near field communications. Provided are a near-field-communication system and a control method therefor, and an electronic device. The present application can re...
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WO/2023/157120A1 |
First to third capacitors (UC1-UC3) each have an identical rectangular parallelepiped shape. First surfaces (P1) of each of the rectangular parallelepiped capacitors each have first and second sides perpendicular to each other, second su...
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WO/2023/155260A1 |
The present disclosure relates to a power supply circuit, comprising a power supply module used for providing a first direct-current voltage; a transformer module comprising a primary-side first winding and a secondary-side winding, the ...
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WO/2023/156179A1 |
The invention relates to a converter (1) comprising a control unit, which is adapted to selectively operate in a mode in which the control unit provides control signals to switching elements (21) to repeatedly switch each of a number of ...
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WO/2023/157562A1 |
Provided are: a power conversion device that comprises a magnetically coupled inductor and that can handle both a three-phase A/C power source and a single-phase A/C power source; and an on-board charger. A three-phase/single-phase switc...
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WO/2023/157367A1 |
Provided is a control device comprising a control unit that controls respective flow rates of a refrigerant distributed to respective power converters each having a power module within a range in which each predetermined temperature of e...
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WO/2023/155280A1 |
Disclosed are a modulation strategy applicable to loss balancing of switch tubes of a bridge arm of a neutral-point clamped three-level converter, and an implementation method therefor. The method comprises: determining an operation type...
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WO/2023/157045A1 |
A power conversion device (200) comprises: a non-boosting rectifier circuit (210) that converts a first alternating-current voltage into a direct-current voltage; a reactor (220) that connects to the rectifier circuit (210); a capacitor ...
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WO/2023/155979A1 |
The invention relates to a module (201) of a modular multi-level converter (1) comprising a first module connection (212), a second module connection (215), a first electrical conductor (621), a second electrical conductor (622), a third...
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WO/2023/157583A1 |
[Problem] To provide an electric compressor that can improve assembling workability and electrical insulation properties of a power switching element over conventional art, while securing heat radiation (cooling) properties of the power ...
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WO/2023/155771A1 |
An inverter (10) and a photovoltaic system (1). The inverter (10) comprises a housing (100) and a first connector (200). The inner side of the housing (100) is provided with a circuit board (110), and an inverter circuit is provided in t...
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WO/2023/151881A1 |
A method for controlling an electrical converter (12) for driving an electrical machine (18) comprises the steps of: estimating a stator flux vector (ΨS) depending on at least one measurement in the electrical converter (12); determinin...
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WO/2023/151930A1 |
A method for controlling an electrical converter (12) for driving an electrical machine (18) comprises the steps of: estimating a stator flux vector (ψ s ) depending on at least one measurement in the electrical converter (12); receivin...
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WO/2023/153225A1 |
A common-mode voltage canceller (40) cancels a common-mode voltage generated in association with the operation of an inverter (20) for converting DC power to AC power. The common-mode voltage canceller is provided with a common-mode tran...
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WO/2023/152304A1 |
A flyback converter comprising: a transformer having a primary side winding and a secondary side winding; a primary side switch located at the primary side of the transformer; two secondary side switches located at the secondary side of ...
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WO/2023/151751A1 |
The invention relates to an inverter device (1) for an electric drive machine of a motor vehicle, said inverter device comprising: a DC input unit (3) having a first conductor structure (2); an AC output unit (5) having a second conducto...
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WO/2023/153420A1 |
One form of this power conversion device comprises: a power conversion circuit which carries out interconversion between DC power and N-phase AC power (N is an integer of at least 3); and a control unit which has a first deformation mode...
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WO/2023/153048A1 |
This power conversion device comprises: a power conversion unit that converts a DC voltage to an AC voltage applicable to a device to be operated; a current detection unit that detects the output current output from the power conversion ...
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WO/2023/154406A1 |
A power switch of a wireless power transmitter or a wireless power receiver is controlled to create a perturbation that transmits information from the wireless power transmitter or wireless power receiver to the other of the wireless pow...
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WO/2023/147848A1 |
The invention relates to a modular multilevel converter (1) having at least one electrical series connection of modules (1_1, 1_2, 1_3, 1_4 … 1_n), each module having at least two electronic switching elements (202, 206) and an electri...
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WO/2023/149276A1 |
This semiconductor device comprises two semiconductor elements, the switching operations of which are controlled in accordance with a drive signal input into a third electrode. A first conductor and a second conductor are interposed elec...
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WO/2023/149316A1 |
A wireless power reception device (10) comprises a power reception interruption circuit and an impedance adjustment circuit. The power reception interruption circuit causes a rectification circuit to execute a rectification operation if ...
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WO/2023/150339A1 |
Control circuitry for a synchronous rectifier includes a sensor configured to sense a current through a power switch of the synchronous rectifier or a voltage across the power switch; a phase compensation network coupled to the output of...
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WO/2023/148988A1 |
In this gate drive circuit, first and second gate drive ICs each have: an INA terminal and an INB terminal to which PWM signals are input; a gate output terminal for outputting a gate drive signal; and an OSFB terminal for outputting a f...
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WO/2023/147812A1 |
The invention relates to a controller (1) for controlling a pump, comprising: a power supply; a first bridge driver (2); a microcontroller (3) for controlling the first bridge driver (2); and an output stage (4), wherein the controller (...
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WO/2023/149044A1 |
The present invention comprises: a body; a traveling device that is provided to the body; a motor M that drives the traveling device; an inverter 14 that supplies electric power to the motor M; a radiator 23 that cools a refrigerant; and...
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WO/2023/149144A1 |
According to the present invention, a power conversion device is provided with: a semiconductor device having a semiconductor element, two heat spreaders, and an external terminal; a circuit board having a first insulating layer; and a c...
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WO/2023/149193A1 |
The present invention reduces radiation noise. A bidirectional switch (8) in a power conversion device (100) has a first end (81) connected to a connection point (3) between a first switching element (1) and a second switching element (2...
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WO/2023/148859A1 |
A conveyance system (1) has: at least two conveyance modules (100) comprising coil groups (102) and inverter units (103) for applying AC voltage to the coil groups (102); and at least one carriage (200) on which a magnet (202) receiving ...
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WO/2023/149202A1 |
The present invention provides a power conversion device that can be operated appropriately. To enable appropriate operation, a power conversion device (100) comprises a plurality of primary circuits (14) that each convert an input DC vo...
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WO/2023/148569A1 |
A power converter includes a transformer having a primary-side winding connected to a switch, and a controller connected to a gate node of the switch. The controller includes a switch timing and control module to generate switch control ...
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WO/2023/150410A1 |
A configurable connector is provided for a communication device, such as a gateway, that is located outdoors. The connector can engage with a corresponding interface of the gateway to provide communication signals and power signals to th...
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WO/2023/146598A1 |
A system for facial movement detection with reduced size and reduced cost by employing a novel resonant drive and sampling scheme is disclosed. An example battery operated system includes a driver circuit, an LC resonance circuit formed ...
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WO/2023/145092A1 |
The present invention reduces propagation of spatial noise, which occurs in a high-voltage generation circuit, to an output terminal, and reduces the size of a high-voltage power supply. The high-voltage power supply 1 comprises: a hig...
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WO/2023/142537A1 |
Disclosed in the present invention are a power source circuit and the application thereof. A multi-phase alternating-current power source is generated by means of a given alternating-current power source and by using an electromagnetic i...
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WO/2023/142538A1 |
Disclosed in the present invention are an inverter apparatus and the application thereof. The inverter apparatus comprises an n-phase bridge inverter circuit (wherein n = 2k + 1, and k is an integer greater than or equal to 2) and n iron...
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WO/2023/144615A1 |
An electrical power apparatus for coupling between an electrical power supply and one or more electrical power loads includes: a plurality of dynamically dispatchable electrical energy storage components providing at least one of dynamic...
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WO/2023/142263A1 |
A multi-level converter and a multi-level converter system. Compared with an existing multi-level converter, only ten controllable switches are used for the multi-level converter, and the voltage stress borne by each switch is equal, so ...
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WO/2023/145466A1 |
A discharge circuit (40) causes a smoothing capacitor, which smooths a DC voltage, to discharge via a plurality of resistive elements (41) mounted to a substrate (50). The discharge circuit comprises a series-connected body in which at l...
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WO/2023/146890A1 |
An electric power system for a vehicle includes one or more power conversion systems electrically connected in parallel for each phase of an electric motor of an electric drive system. Each power conversion system is electrically coupled...
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WO/2023/145598A1 |
Disclosed is a drive device for a field winding-type rotating electrical machine that drives a field winding-type rotating electrical machine in which a rotor winding is wound around a rotor core. The drive device comprises an electrical...
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