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WO/2024/055705A1 |
The present application provides a photovoltaic inverter and a control method therefor. The photovoltaic inverter is suitable for a power supply system, and the photovoltaic inverter comprises a conversion circuit, an acquisition circuit...
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WO/2024/057504A1 |
This power conversion device comprises: an inverter circuit formed by connecting, in series, switching elements of an upper arm and a lower arm; an output current detector that outputs a detection value of AC current output from a connec...
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WO/2024/057598A1 |
Provided is a gate drive circuit for a semiconductor switching element, the gate drive circuit driving and controlling the semiconductor switching element by using two independent gate electrodes, and being characterized in that the time...
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WO/2024/057441A1 |
A power conversion device (1) comprises a power converter (2) including an arm circuit having a plurality of cascade-connected converter cells (7F, 7H). The converter cells each include: a bridge circuit (30F, 30H) that includes a plural...
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WO/2024/057633A1 |
Provided is a power regeneration converter that is disposed between an inverter which outputs a three-phase alternating current to an electric motor and a three-phase alternating current power source which is an input system, and that su...
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WO/2024/055082A1 |
The present invention discloses a stationary energy storage system device comprising: at least one high voltage capacitor, a power supply that supplies substantially semi-constant power throughout the impedance range of the high voltage ...
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WO/2024/053197A1 |
A power supply device (17) comprises a first circuit (61) and a converter (53). The first circuit (61) converts alternating-current voltage to a first direct-current voltage and outputs the first direct-current voltage. The converter (53...
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WO/2024/051189A1 |
Provided in the present application are a control method and control circuit for a bidirectional resonant direct-current converter. In the control method, when the reversal of a secondary side resonant current is detected, corresponding ...
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WO/2024/053135A1 |
This radio-frequency power supply device (1) comprises: an RF amplification section (10) that carries out RF amplification by the switching operation of amplifying elements (11); and a gate drive section (20) that inputs a gate signal to...
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WO/2024/053303A1 |
According to he present invention, when an abnormality occurs in a power conversion device using a power semiconductor element having one or more gates, in order to quickly stop the switching of the power semiconductor element without ad...
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WO/2024/053452A1 |
The present invention addresses the problem of suppressing a voltage drop in a bootstrap circuit. A control unit (60) replaces, among a plurality of voltage vectors, a first voltage vector of which the magnitude is a reference magnitude ...
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WO/2024/053731A1 |
[Problem] To provide an electric power conversion device that can easily cope with both energy storage capacity and current output. [Solution] Provided is an electric power conversion device comprising a control unit 5 and a leg 2, in wh...
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WO/2024/053157A1 |
The present invention makes it possible to suitably estimate the cause of occurrence of an overcurrent in an electric power conversion device. For this purpose, an assessment device (50) is provided with: a detection result storage unit ...
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WO/2024/053453A1 |
The present invention suppresses a voltage drop in a bootstrap circuit. A control unit (60) changes a first voltage vector, a second voltage vector, and a third voltage vector, which are adjacent to a command voltage vector in a first ve...
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WO/2024/053597A1 |
This power supply system comprises a battery string (St) and a control device (200) that controls the battery string (St). The battery string (St) comprises a plurality of battery circuit modules (10) connected in series. Each of the plu...
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WO/2024/052204A1 |
The invention relates to a control method for operating an inverter in a power network that is connected to a power supply network via a controllable disconnecting switch. The method comprises the steps, while the disconnecting switch is...
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WO/2024/051181A1 |
Provided in the present application are a control method and control circuit for a bidirectional resonant direct-current converter. According to the control method, after it is detected that a secondary-side resonant current is commutate...
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WO/2024/051322A1 |
Disclosed in the present application is a three-phase AC-DC bidirectional conversion circuit. The circuit comprises three boost circuits and one output capacitor circuit, wherein each boost circuit comprises an inductor circuit and a swi...
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WO/2024/050925A1 |
The invention relates to the technical field of power battery or energy storage battery test systems, and provides a bidirectional power conversion topology for a power battery test excitation power supply, a method, and a system. The to...
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WO/2024/053461A1 |
This power conversion device comprises: a high potential-side electric path (22H) electrically connectable to a positive electrode terminal of a first power storage unit (31); a low potential-side electric path (22L) electrically connect...
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WO/2024/053376A1 |
This wireless power transmission system comprises: a wireless power-transmitting circuit comprising an inverter (2) that includes a first LC resonant circuit (21) including a power-transmitting inductor (Lt), the inverter (2) switching a...
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WO/2024/054893A1 |
A modular fault managed power controller, which may include at least two fault managed power modules each configured to provide fault managed power to respective subsets of a plurality of small cell base stations. The small cell base sta...
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WO/2024/051227A1 |
Disclosed in the embodiments of the present application is a control method. The method is used for controlling a BLDCM. A driving circuit of the BLDCM comprises a DC-DC converter and a three-phase inverter. The method comprises: acquiri...
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WO/2024/051217A1 |
The present application relates to a battery energy storage circuit, comprising a first voltage-stabilizing bridge arm, a second voltage-stabilizing bridge arm, a first phase cluster, a second phase cluster and a third phase cluster. A f...
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WO/2024/053460A1 |
This electric power conversion device is equipped with: a higher arm switch (SWH) and a lower arm switch (SWL) which are connected in series; a first capacitor (21) which is electrically connected in parallel to the higher arm switch and...
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WO/2024/047908A1 |
This power conversion system is a self-excited power converter comprising a load supply voltage adjustment unit that adjusts the load supply voltage on the basis of a load supply current command value calculated on the basis of load stat...
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WO/2024/048342A1 |
This EPU (50) has a motor device (60), an inverter device (80), a unit housing (101), and a cooling device (800). The motor device (60) has a motor (61) and a motor housing (70). The inverter device (80) has an inverter (81) and an inver...
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WO/2024/048371A1 |
This semiconductor device constituting an upper-lower arm circuit for one phase comprises joint portions (80, 81) connected through a solder (104). Each of a plurality of solders electrically connected to the main electrode of a semicond...
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WO/2024/048216A1 |
This wiring board (10) comprises a substrate part (11) and a conductor part (12). The substrate part (11) comprises a conductor layer (20) that has a wiring pattern (first wiring pattern (21)) and an insulation layer (30) that has an ins...
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WO/2024/045370A1 |
Provided in the present disclosure are a compatible power supply circuit and a control method therefor, and a controller and a storage medium. The compatible power supply circuit (100) comprises: an auxiliary power supply (110), which co...
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WO/2024/047293A1 |
The invention relates to a charging assembly (20) for charging an electric traction battery (4) by way of a charging station (19) providing a DC electrical network (2) and a multi-phase AC electrical network (1), the charging assembly (2...
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WO/2024/045936A1 |
A charger control method and apparatus, a charger, and a vehicle. The method is applied to a charger, the charger is an on-board charger or a charging pile charger, and the method comprises: determining a target working mode of an LLC ci...
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WO/2024/049730A1 |
A controller circuit (1012) is configured to receive a measurement signal (1040, 1050, 1072) representing a power converter state and receive a control signal (1062) representing a power converter resonant period. Based on the power conv...
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WO/2024/048904A1 |
A PFC circuit for outputting a PFC voltage by compensating a power factor of an input voltage of an electronic device according to an embodiment of the present disclosure may comprise: a sensing unit for acquiring an input voltage; and a...
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WO/2024/048052A1 |
This power conversion device comprises a first power module, a second power module, a direct current bus bar that transmits direct current power to the first power module and the second power module, and a metal housing that houses these...
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WO/2024/047991A1 |
A switch drive device 100 comprises: an upper driver 110H that switches an upper switch of a power circuit 200 on/off by receiving input of an upper control signal HS and outputting a upper drive signal HG; a lower driver 110L that switc...
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WO/2024/047841A1 |
The present disclosure provides a low-cost power conversion system that allows for lower loss and less space to be required. The power conversion system comprises: a power converter that converts DC power inputted from a DC power supply ...
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WO/2024/050406A1 |
Bias supplies and bias control methods are disclosed. One method comprises applying an asymmetric periodic voltage waveform and providing a corresponding current waveform at an output node relative to a return node; receiving a signal to...
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WO/2024/048341A1 |
An EPU (50) has a motor device (60), an inverter device (80), a unit housing (101), and a cooling device (800). The motor device (60) has a motor (61) and a motor housing (70). The inverter device (80) has an inverter (81) and an inverte...
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WO/2024/045420A1 |
Disclosed in the present invention are an ultrasonic power supply circuit and an ultrasonic welding apparatus. The ultrasonic power supply circuit comprises a rectification filter circuit, a power factor correction circuit, a phase-shift...
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WO/2024/048066A1 |
Provided is a power conversion device with which replacing a capacitor is easy and there are less connection failure occurring between a capacitor and other electronic components. A power conversion device (100) is provided with: a print...
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WO/2024/043125A1 |
The present invention addresses the problem of performing soft switching more reliably. Provided is an electric power conversion device (100) in which a control device (50) can execute a first control operation and a second control opera...
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WO/2024/041786A1 |
The invention relates to a modular brake actuator (1), having a brake resistor (3) and at least two sub-modules (2), wherein the brake resistor (3) and the sub-modules (2) are arranged in a series circuit (4). In order to improve the mod...
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WO/2024/042612A1 |
In a control device (3) of this power conversion device (1), a first generation unit (23), in order to control alternating current output from a power converter (2), generates first voltage command values (Vd*, Vq*) on the basis of posit...
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WO/2024/040611A1 |
Provided in the present application are a control method, apparatus and system, and an electronic device and a storage medium. The control method, which is applied to a central control unit, comprises: determining a target count value an...
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WO/2024/043762A1 |
A power conversion device according to one embodiment of the present invention comprises: an input unit for receiving voltage generated in a photovoltaic power generation panel; a power conversion unit for converting input voltage that i...
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WO/2024/042942A1 |
In order to provide a PWM control technology that can output an accurate fundamental wave voltage while reducing harmonic current by adding an operation amount to modulation waves of three phases in accordance with the saturation states ...
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WO/2024/040724A1 |
The present invention belongs to the technical field of high-efficiency power conversion system control, and provides a power compensation control method and apparatus for a high-power multi-functional high-efficiency charging system. Th...
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WO/2024/042639A1 |
The daisy chain communication path of this power conversion system connects a master station that controls a plurality of slave stations each including a power conversion device and the plurality of slave stations to each other. The plur...
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WO/2024/041106A1 |
A photovoltaic inverter and a control method and apparatus therefor, and a readable storage medium, which relate to the technical field of information. The control method is applied to a multi-channel photovoltaic inverter. Separate powe...
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