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WO/2023/087112A1 |
Example embodiments of the described technology provide power supply systems and methods. An example power supply system may comprise a loading circuit comprising power electronics configured to apply DC electrical power to a load. The p...
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WO/2023/089160A1 |
A power converter system (1) comprising a DC voltage source (Udc), a control system (3), a multilevel inverter (5) and a balancing circuit (2) connected to the DC voltage source (Udc), and at least two DC link series connected capacitors...
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WO/2023/088635A1 |
The invention relates to a connection device (1) for an intermediate circuit (2) of a high-voltage vehicle electrical system of a motor vehicle for electrically connecting high-voltage components of the high-voltage vehicle electrical sy...
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WO/2023/090165A1 |
A semiconductor module (10) contains a semiconductor element (30) and a heat-dissipating member (40) by means of a resin member (9). At least a part of the heat-dissipating member (40) is exposed externally from the resin member (9). A s...
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WO/2023/088992A1 |
The invention relates to a method for controlling a voltage converter (1000), consisting in switching the switches (Q1-Q4) of the inverter arms (110, 210) of the primary circuit (100) and secondary circuit (200) so as to deliver an outpu...
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WO/2023/089805A1 |
This electric motor control device controls an electric motor that operates by power supplied from a power source and converted using a power conversion device having an inverter. The electric motor control device is provided with: a det...
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WO/2023/089828A1 |
A frequency stabilisation device (100) comprises a bidirectional AC/DC converter (20), a bidirectional DC/DC converter (30), a first energy storage system (40), a second energy storage system (50), and a building (80). The bidirectional ...
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WO/2023/092121A1 |
An inverter is provided. The inverter includes a DC bus having positive and negative rails and an inverter arm coupled between the positive and negative rails of the DC bus. The inverter arm includes first and second silicon carbide tran...
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WO/2023/090263A1 |
[Problem] To provide a power conversion device that can acquire an effect of impedance balance over a wide bandwidth, and that can efficiently suppress noise caused by a common mode current. [Solution] A resistor 33R is connected between...
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WO/2023/090187A1 |
A motor drive device (10) comprises a series circuit of a Zener diode (104) and a detection resistor (105) connected between a gate terminal of a first high-side transistor (11) and ground, a comparator (106) for comparing a voltage acro...
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WO/2023/087974A1 |
Provided in the present invention is a single three-phase compatible alternating-current/direct-current/alternating-current traction converter, comprising a plurality of rectification-side power tube bridge arms, and further comprising t...
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WO/2023/088568A1 |
A controller (200) for controlling a balancer circuit (130) is configured to: determine a difference value (211) between a first Direct Current, DC, link voltage value (123) across a first DC link (121) of a power converter (110) and a s...
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WO/2023/087595A1 |
Provided in the present application is a bidirectional energy storage converter, comprising: at least one bridge arm (100), wherein each bridge arm (100) comprises a first switch assembly (110), a second switch assembly (120), a third sw...
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WO/2023/087044A1 |
The invention relates to a multichannel test system (100) and to a method for supplying test load devices (61, 62) with electric power from a supply grid, comprising at least one first test channel (10) and a second test channel (20) whi...
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WO/2023/089819A1 |
A power conversion system (2) is provided with a plurality of sub-modules (5A, 5B, 6A, 6B) for respective arms, the sub-modules being provided between respective phases of first and second AC power systems and DC buses (14P, 14N) and cas...
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WO/2023/087742A1 |
An anti-sticking welding control circuit (30) for lifting arc striking, the control circuit (30) comprising a main loop (1) and an arc striking loop (2), which is connected thereto in parallel. During lifting arc striking, the main loop ...
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WO/2023/083615A1 |
The invention relates to a network-operable electric tool with a network connection, a rectifier which is arranged downstream of the network connection, and an electric motor with a motor stage arranged upstream, wherein the rectifier an...
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WO/2023/082445A1 |
A four-quadrant converter control apparatus capable of realizing frequency multiplication switching, and a control method thereof. The four-quadrant converter control apparatus comprises a control strategy unit (20) and a carrier switchi...
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WO/2023/083320A1 |
A semiconductor power module, an electric motor controller and a vehicle. The semiconductor power module comprises: a substrate; a first conduction region, a second conduction region, a third conduction region and a fourth conduction reg...
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WO/2023/084693A1 |
Provided are a control device for an alternating current rotary machine, a vehicular drive device, and an electric power steering device that make it possible to reduce the effects of leakage current generated by fluctuations in the volt...
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WO/2023/083915A1 |
The invention concerns a method for controlling a power converter (I) having at least one switching cell (2) and a control unit (1) configured to control the at least one switching cell (2) at a switching frequency (fs) such that to deli...
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WO/2023/082442A1 |
Embodiments of the present application disclose an integrated power supply and multi-channel auxiliary transmission system, comprising a whole vehicle train power supply system and an auxiliary unit; the whole vehicle train power supply ...
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WO/2023/083032A1 |
Provided are a rectifier circuit, an apparatus and a method. The rectifier circuit comprises: a number M of rectifier units, M being an integer greater than or equal to 2; an nth rectification unit comprises: a first switch tube, a secon...
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WO/2023/086255A1 |
A microinverter is provided herein and comprises DC side MOSFETs connected to an input side of the microinverter, AC side MOSFETs connected to an output of the microinverter, and a plurality of gate drivers connected to the AC side MOSFE...
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WO/2023/083942A1 |
The invention relates to a method for controlling an electrical transmission connection (30) between first and second AC voltage buses (411, 421) that are connected respectively to first and second alternating voltage zones (1, 2) of an ...
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WO/2023/083406A1 |
The invention relates to an inverter system (3) having: a multiphase, in particular three-phase, inverter (7), which comprises at least three half bridge circuits, which are parallel-connected to a positive potential connection (P) and t...
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WO/2023/084726A1 |
According to the present invention, a power conversion device comprises a rectification circuit (20) that rectifies a first alternating current supplied from a power supply (10) and outputs a first current (I1) that is a rectified curren...
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WO/2023/082441A1 |
A stage-controlled four-quadrant converter. For a locomotive electric transmission system, a voltage stage control method for an intermediate bus of the four-quadrant converter is used, such that the intermediate bus of the four-quadrant...
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WO/2023/084863A1 |
A busbar positioning structure 1 has: a pair of terminal blocks 3, 4 where busbars P, N connecting two electrical components (for example, a DC capacitor C and a power module 11) of an inverter device 2 are respectively located; and posi...
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WO/2023/084604A1 |
A power conversion device (1) comprises: a converter (120) that rectifies a first AC power supplied from an AC power supply (110) and boosts the voltage of power after the rectification; a smoothing unit (200) that is connected to the ou...
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WO/2023/078524A1 |
A bi-directional AC/DC power conversion apparatus includes a low frequency switching network, a high frequency switching network, and one or more inductors coupled between the high frequency switching network and an AC voltage. A control...
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WO/2023/080058A1 |
Provided is a control device comprising a first control unit that controls a motor generator, an abnormality determination unit that determines whether or not an abnormality has occurred in the first control unit while an electric vehicl...
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WO/2023/079878A1 |
A driver device (1) has a pulse generation circuit (5) that in one cycle generates over a first period (T1) a pulse waveform (Spl) that has a first voltage level, and generates over a second period (T2) a pulse waveform that has a second...
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WO/2023/077564A1 |
A method, apparatus, and device for suppressing a harmonic of an input current of a converter and a storage medium. The method comprises extracting a harmonic voltage component from an input network side voltage signal (S300); performing...
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WO/2023/080861A1 |
The invention relates to a soft-switched auxiliary circuit for a half-bridge switched resonant inverter comprising a phase input (8); a resonant inverter (10) connected to the phase input (8) via a circuit path (6); a soft-switched circu...
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WO/2023/079685A1 |
This power conversion device submodule comprises: IGBTs (11a to 14a, 11b to 14b); drive circuits (40a, 42a, 40b, 42b) for driving the IGBTs (11a to 14a, 11b to 14b); laminated bus bars (22a, 22b) mounted with the IGBTs (11a to 14a, 11b t...
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WO/2023/080793A1 |
A circuit module for coupling a plurality of energy cell units is disclosed. Energy modules, energy clusters, energy systems and cascaded circuitry comprising suchcircuit modules are also disclosed.
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WO/2023/077985A1 |
The present disclosure relates to the technical field of converters. Provided is a three-level converter power module. The three-level converter power module comprises: a power device, wherein the power device is used for converting a di...
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WO/2023/077697A1 |
Provided in the present invention is a micro-power-consumption bridge-type rectifier auxiliary power supply. The auxiliary power supply shares the same ground with a rectifier bridge of a main power supply. The auxiliary power supply com...
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WO/2023/081110A1 |
A radiofrequency (RF) power supply system includes a plurality of RF inverters. Each of the RF inverters is configured to generate a sinusoidal RF signal from an input signal applied to one or more gates of one or more transistor devices...
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WO/2023/079894A1 |
This in-vehicle charger comprises: a bidirectional AC/DC converter (10) to which an AC power supply (2) or an AC load is connected; a resonant isolated DC/DC converter (20) to which the bidirectional AC/DC converter (10) is connected; a ...
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WO/2023/077741A1 |
Provided are a photovoltaic system and a control method. A negative output end of a master DC/DC converter (101) is connected to an N line, and a negative input end of a master DC/AC converter (201) is connected to the N line; a negative...
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WO/2023/081609A1 |
Circuits and methods that more effectively and efficiently solving the charge-balance problem for multi-level converter circuits by establishing a control method that selects an essentially optimal pattern or set of switch states that mo...
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WO/2023/079617A1 |
The present invention comprises: a drive unit (3) that is connected to a first conduction path and a second conduction path to which a voltage is applied, that includes a switching element (1) and a control unit (2) which supplies a cont...
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WO/2023/081610A1 |
Circuits and methods that solve the light-load problem of a multi-level converter by generating a ripple signal in the control loop of the multi-level converter that causes a large output current ripple during light load conditions. This...
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WO/2023/079960A1 |
A multiphase pre-driver circuit (40) of a motor drive device is operated by a voltage supplied from a battery (15), and drives a plurality of switching elements (61-66) of an inverter (60). A plurality of motor relays (71, 72, 73) consti...
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WO/2023/079961A1 |
In the present invention, a power converter (60) is provided between a power supply line (Lp) and a ground line (Lp) which are connected to a battery (15), and the power converter converts direct current power and supplies the converted ...
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WO/2023/073871A1 |
This power conversion device (100) is a device (100) for supplying output voltage to a load through output terminals (41, 42). The power conversion device is provided with: a rectifier circuit (20) that rectifies AC voltage and outputs t...
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WO/2023/073255A1 |
The present invention relates to a power transmitter, a power receiver and a wireless power transmission system, and more specifically a power outlet configured to wirelessly power medium-power electrical and electronic devices.
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WO/2023/075036A1 |
The present invention provides a cryptocurrency mining system, for a vehicle, comprising: a generator for generating power by means of the driving of an engine; a battery for storing the power generated by the generator; an inverter conn...
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