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WO/2024/106151A1 |
This power supply device comprises: an inverter that, when AC power is input, converts the AC power to output DC power and, when DC power is input, converts the DC power to output AC power; a converter that can convert the DC power from ...
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WO/2024/105739A1 |
Provided is a power conversion device (1), wherein a discrete control unit (27) of each converter cell (7) is configured so that: if an ON standby instruction for a by-pass switch (BPS) has not been received from a higher-level control d...
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WO/2024/106287A1 |
This power supply module is equipped with: a plurality of drive substrates which each separately drive electronic circuits which each comprise a plurality of electronic components which generate different amounts of heat; a heat-shieldin...
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WO/2024/106333A1 |
Disclosed is a vehicular drive device having: an electric-power conversion device that supplies power to a rotating electrical machine; a case that houses the electric-power conversion device; a Y-capacitor that is housed in the case and...
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WO/2024/106227A1 |
This capacitor device (5) is provided with a capacitor (30), a capacitor bus bar (29) and a heat dissipation bus bar (26). The capacitor bus bar (29) has one end to which the capacitor is electrically connected and the other end to which...
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WO/2024/104121A1 |
The present application provides a power supply system, a wearable device, and a charging device. The power supply system comprises a wearable device body and a charging device; the wearable device body comprises an input charging termin...
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WO/2024/106290A1 |
The present invention addresses the problem of reducing noise while suppressing switching losses. An electric power converting device (100) comprises a plurality of switches (8), a plurality of resonance capacitors (9), at least one reso...
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WO/2024/100430A1 |
The present invention provides a method for controlling a power conversion device (1) comprising: an inverter circuit (2) which has a first switch (Q1) and an LC resonant circuit (5) and which outputs AC power; a rectifier circuit (3) wh...
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WO/2024/099903A1 |
A switching valve for a voltage source converter (20), the switching valve comprising a plurality of modules (44), each module (44) including one or more switching elements (46) and at least one energy storage device (48), the or each sw...
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WO/2024/101080A1 |
Provided is a motor control device that randomly selects a plurality of carrier frequency candidates and disperses a high-frequency component, the motor control device being capable of broadening the dispersion of the high-frequency comp...
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WO/2024/103024A1 |
Presented herein are systems, apparatuses, devices, and methods for deactivating high power converters and inverters in shutdown and fault events. An apparatus can include an inverter electrically coupled with a power supply. The inverte...
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WO/2024/100706A1 |
A power semiconductor element (1a) has: a high-potential-side first main electrode; a low-potential-side second main electrode; a gate, which is a control electrode; and a diode that is inverse-parallel connected between the first main e...
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WO/2024/100695A1 |
An inverter (50), which is an example of a power conversion device, comprises a power module (40) incorporating legs (20a to 20c) constituted by sets of two switching elements (1a, 2a), (3a, 4a), and (5a, 6a), respectively, that are elec...
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WO/2024/100766A1 |
First and second bases (21) are positioned opposite each other. An inverter (23) is mounted on one of the first and second bases (21). A converter (24) is mounted on the first base (21a). A chopper (25) is mounted on the second base (21b...
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WO/2024/101233A1 |
Provided are an electric power conversion device and an electric power conversion method in which switching loss is reduced.　This electric power conversion device comprises a main circuit, an auxiliary circuit that is positioned betwee...
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WO/2024/098542A1 |
Provided in the present application are a converter and a zero crossing point control method therefor. The zero crossing point control method comprises: first, determining whether the current power grid voltage is within a preset range o...
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WO/2024/100547A1 |
The invention consists of an electric current converter (10) comprising a first line (11) for supplying said converter with direct current, a second line for supplying an electric load with alternating current, an inductive element (115)...
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WO/2024/098829A1 |
A current-type inverter input-series output-parallel photovoltaic power generation system, comprising: a direct-current side photovoltaic cell, an alternating-current side power supply, and a plurality of single-phase current source inve...
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WO/2024/098476A1 |
Provided are a water-cooling system and method for a traction converter, and a controller and a traction system. The water-cooling system comprises: a water pump (1), which is used for providing a cooling liquid for the water-cooling sys...
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WO/2024/101173A1 |
This power conversion device comprises: an inverter circuit to the input side of which a positive electrode wire and a negative electrode wire are connected, and which converts an input current flowing through the positive electrode wire...
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WO/2024/095903A1 |
The present invention comprises: a busbar that extends in a first direction; a sensor that detects a magnetic field generated by a current flowing in the busbar; a shield core having magnetic properties, the shield core surrounding the b...
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WO/2024/094000A1 |
The present invention relates to the technical field of motor control, specifically provides a power module for a motor, and aims to solve the problem of increase of the loss of power modules under high frequency caused by increase of th...
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WO/2024/093227A1 |
The present application discloses an electronic device, a control method and apparatus therefor, and a storage medium. The electronic device comprises at least one half-bus load pair arranged on an upper half-bus and a lower half-bus of ...
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WO/2024/096055A1 |
Provided are a remote diagnosis device, a remote diagnosis system, and a computer program for power supply equipment.　This remote diagnosis device comprises: an acquiring portion for acquiring, from power supply equipment via a communi...
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WO/2024/095703A1 |
A power conversion device (10) comprises first upper and lower arm switches (S1H, S1L), second upper and lower arm switches (S2H, S2L), third upper and lower arm switches (S3H, S3L), an upper arm rectification unit (S4H, D4H) and a lower...
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WO/2024/095706A1 |
A power conversion device (10) comprises: multiple-phase AC terminals (Tac1 to Tac4); DC terminals (TdcH, TdcL); an AC-DC conversion circuit (S1H to S4L); electric paths (41 to 43, 140, 210) that are provided corresponding to the respect...
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WO/2024/093486A1 |
A power supply apparatus for a power transmission line monitoring device, said apparatus belonging to the technical field of power supply. The power supply apparatus comprises an energy acquisition module (1), a power transformation modu...
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WO/2024/096302A1 |
An inverter unit that drives a compressor motor comprises, in order for a plurality of inverter elements installed on a seating surface of an inverter housing to be individually fixed to the seating surface, an insulating member which is...
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WO/2024/095705A1 |
In the present invention, a power converter (10) comprises first to third upper and lower arm switches (S1H, S1L, S2H, S2L, S3H, S3L), upper and lower arm rectifying units (S4H, D4H, S4L, D4L), a body composed of a compensation power sto...
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WO/2024/095691A1 |
This integrated module comprises: a plurality of drivers which respectively energize a plurality of auxiliary apparatuses mounted on a vehicle; a common substrate on which the plurality of drivers are mounted; and a module housing which ...
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WO/2024/097518A1 |
An electrostatic gun driver (100) includes an inverter (102) configured to receive power from a power supply (104). The electrostatic gun driver (100) in addition includes a controller (106) configured to control the inverter (102). The ...
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WO/2024/092408A1 |
The present disclosure relates to a motor driver and a motor driving system. The motor driver comprises: a rectifying circuit, a direct current link circuit, and an inverter circuit. The rectifying circuit comprises a rectifier bridge, a...
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WO/2024/096283A1 |
Disclosed is a multi-port charger that can charge a higher voltage battery by boosting a low direct current charging voltage by using a pre-installed vehicle-mounted charger without additional parts or devices, and can be used for variou...
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WO/2024/095597A1 |
This semiconductor module comprises at least one substrate and a plurality of semiconductor switching elements. The substrate has a first electrode pattern, a second electrode pattern, and a third electrode pattern, the first electrode p...
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WO/2024/095778A1 |
A program updating device according to the present invention comprises a control unit that carries out control such that when a power conversion device that drives an electrical apparatus loaded on a moving body is not operating, install...
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WO/2024/093660A1 |
The present invention provides a power amplifier and a chip. The power amplifier comprises a power amplification module, the power amplification module comprising an H-bridge circuit sub-module, and the H-bridge circuit sub-module compri...
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WO/2024/095348A1 |
In the present invention, an electric power converter comprises a housing, and first and second three-phase block semiconductor units of identical structure within the housing, wherein: each of the first and second three-phase block semi...
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WO/2024/094727A1 |
The invention relates to an electrical system (1), comprising a DC-to-DC converter (ICU), and having: a first operating mode, wherein the first terminal supplies the second terminal, and wherein the cut-off frequency of the first resonan...
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WO/2024/088139A1 |
A totem-pole bridgeless circuit. The circuit comprises a slow bridge arm unit (110) and a fast bridge arm unit (120) which are connected in parallel; an alternating-current input unit (130) connected between the midpoint of two switching...
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WO/2024/088121A1 |
Provided in the present application are a power converter and a control method therefor. The power converter comprises an output inductor, an output capacitor, a first current sampling circuit, a first-phase bridge arm, a second-phase br...
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WO/2024/092180A1 |
The disclosure provides a method of operating a system supported by an electric vehicle, EV. The method includes receiving input data from the input. When the input data is indicative of the EV being in a driving status, the method inclu...
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WO/2024/088868A1 |
A method for computing an optimized pulse pattern (20) for an electrical converter (18) is presented. The optimized pulse pattern (20) comprises a series of switching transitions, each switching transition comprising a switching angle (Î...
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WO/2024/090001A1 |
This power conversion device comprises: an upper arm semiconductor element connected to positive electrode wiring; a lower arm semiconductor element connected to negative electrode wiring; first AC wiring that connects the upper arm semi...
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WO/2024/089751A1 |
A high voltage pulse power supply device (10) comprising: capacitors (C1-C4) including an i-th capacitor; full bridge inverters (Inv1-Inv4) including an i-th full bridge inverter connected to the i-th capacitor, the full bridge inverter ...
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WO/2024/090345A1 |
The present invention addresses the problem of reducing size. In a power converter (100), a controller (50) performs a charging control operation for charging a regenerative capacitor (15) as a startup operation, and an inverter control ...
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WO/2024/091083A1 |
The present invention relates to a modular multilevel converter and a power system using same. The modular multilevel converter may comprise: a first converter unit having a leg according to a preset phase, wherein the leg has an upper a...
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WO/2024/090232A1 |
Pull-down resistors (Rdu, Rdv, Rdw) are composed of two voltage dividing resistors which divide voltages between the ground and inter-arm connection points (Nu, Nv, Nw) that are connection points of upper arm elements (61, 62, 63) and lo...
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WO/2024/088990A1 |
A circuit (10) having the following features: a power converter circuit (12) comprising a DC voltage connection with two potential taps (20a, 20b) and one or more phase connections (18a, 18b, 18a', 18b', 18c'); and a controller (25), the...
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WO/2024/087629A1 |
The present application discloses a control method and apparatus for a three-phase power supply conversion circuit, a device, and a storage medium. The method comprises: acquiring respective operating power values of a full-bus load and ...
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WO/2024/082715A1 |
Provided in the present application are a power conversion system and a ripple current suppression method therefor. The power conversion system comprises a controller, M direct-current converter units, a bus capacitor and an inverter uni...
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