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WO/2024/093604A1 |
Disclosed in the present invention is a feedback (FB)-signal-based two-stage interaction method used in a two-stage switch power source. The method comprises: a power factor correction (PFC) controller acquiring an FB signal transmitted ...
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WO/2024/093626A1 |
Disclosed in the present invention is an overvoltage output protection method for a critical mode power factor correction (PFC) circuit, comprising: acquiring an input voltage Vin of a power factor correction (PFC) circuit; acquiring a d...
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WO/2024/093229A1 |
Disclosed in the present application are an electronic device, a control method and apparatus therefor, and a storage medium. The electronic device comprises: a load powered by a single-phase three-way interleaved PFC circuit. The method...
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WO/2024/093101A1 |
Disclosed in the present disclosure are a buck-boost power supply system and an air conditioner. The buck-boost power supply system (10) comprises: a PFC circuit (120), a switch circuit (110), and an overvoltage protection circuit (140)....
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WO/2024/097627A1 |
In some examples, an apparatus (100) includes a constant amplitude ramp generator (124) having a differential output and first and second generator inputs, in which the first generator input is coupled to a power terminal. The apparatus ...
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WO/2024/093118A1 |
Provided in the present invention are a protection control method for a power device, and an apparatus, a variable-frequency controller and a storage medium. The protection control method comprises: acquiring a working parameter of a pow...
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WO/2024/096535A1 |
The present invention provides a power generation device for a direct current propulsion ship based on direct current power, and a control method therefor. The power generation device for a direct current propulsion ship, according to on...
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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/2024/094671A1 |
Proposed is a method for producing a filter device (112), in particular an EMC filter for a vehicle, wherein the method comprises: a step of providing a first busbar unit (200), which has a first input portion at one end and a first outp...
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WO/2024/097130A1 |
An example apparatus includes: a differential amplifier (220) including: an inverting input (-) coupled to a first input (208) via a first resistor (216); a non-inverting input (+) coupled to a second input (204) via a second resistor (2...
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WO/2024/093183A1 |
A device micro-power consumption intelligent control apparatus U1. After controlling, according to a preset frequency, output control ends PA1-2 to provide a preset power supply electric signal for power input ends VDD connected to devic...
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WO/2024/093595A1 |
The present invention relates to a multiphase high-precision current-sharing control method applied to constant on-time (COT) control. In the control method, continuously sampled current difference magnitudes between currents and an aver...
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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/2024/096283A1 |
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/2024/093488A1 |
Provided in the present application are a power supply apparatus, system and method, and an electronic device and a readable storage medium. The power supply apparatus comprises: a first input end and a second input end, which are used f...
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WO/2024/096184A1 |
A lagging leg elimination phase-shift full-bridge converter circuit is disclosed. The circuit comprises: a primary circuit that includes a first leg, a second leg, a third leg, and a fourth leg, applies a switching control signal to a sw...
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WO/2024/093528A1 |
Provided in the present application are a control circuit and control method for a bridgeless PFC circuit, and a power supply system. The control circuit comprises: a polarity determination module, which is used for receiving a sampling ...
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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/2024/092953A1 |
The present application relates to a current feedback circuit and an electric stove. The circuit comprises an electric stove arc striking circuit, a current feedback circuit and a processing module; a booster is connected between an outp...
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WO/2024/094677A1 |
A circuit arrangement (1) for power factor correction comprises a control unit (100), a first strand (10), which is connected to a first control output (111) of the control unit (100), and at least one further strand (20, 30), which is c...
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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/2024/087162A1 |
Disclosed in the present invention is a two-stage topological driving power supply circuit, comprising a first-stage topological circuit and a second-stage topological circuit, which are connected in series. The first-stage topological c...
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WO/2024/087624A1 |
The present application relates to a flyback switching power supply and a self-powered circuit and method therefor. The self-powered circuit comprises: a charging capacitor used for taking power from a primary side coil and supplying pow...
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WO/2024/088530A1 |
Disclosed are a switching cell (1) for an electric power converter (2) and a method (3) of operating such a switching cell (1). Inter alia, the switching cell (1) implements a current sharing between magnetically coupled auxiliary power ...
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WO/2024/087418A1 |
Embodiments of the present application provide a multi-voltage independent output circuit of a single-inductor transformer and a related product. The multi-voltage independent output circuit is provided with an input interface and a plur...
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WO/2024/087652A1 |
A voltage control method and apparatus, a household appliance, and a computer storage medium. The method is applied to a power factor correction (PFC) circuit. The method comprises: determining the operating states of a first load and of...
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WO/2024/089896A1 |
This gate driving device comprises: gate driving voltage output units that are provided in correspondence to each of a plurality of power semiconductor elements connected in series, and that output gate driving voltages; gate lines provi...
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WO/2024/087763A1 |
The present disclosure provides a photovoltaic air conditioning system, a control method therefor, and a photovoltaic air conditioner. The photovoltaic air conditioning system comprises a photovoltaic cell, a direct current bus capacitor...
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WO/2024/090066A1 |
A DC/DC converter 20 comprises a power unit 21 and a control unit 22, and is characterized in that the control unit 22 comprises: a first control unit 23 that generates a first control command value CC for causing the output of the power...
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WO/2024/091609A1 |
A controller integrated circuit (410) for controlling a voltage converter (400). The controller IC (410) includes a transistor control driver terminal (416) and a power terminal (418). A driver (427) has a driver input, a driver output, ...
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WO/2024/091544A1 |
In one example, an apparatus (900) comprises an amplifier (912), a ramp generation circuit (918), and a comparator (920). The amplifier has a reference input, a power converter feedback input, and an amplifier output. The ramp generation...
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WO/2024/087623A1 |
The present application relates to a switching power supply, and a self-power supply circuit and a self-power supply method therefor. The self-power supply circuit for a switching power supply comprises: a charging capacitor for storing ...
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WO/2024/087616A1 |
Disclosed in the present invention is a conduction-interference filter circuit for a high-power switch power source, the circuit comprising a common-mode inductor and further comprising a hollow coil, wherein the common-mode inductor is ...
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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/2024/087622A1 |
The present application relates to a switching power supply, and a power replenishing circuit thereof and a power replenishing method therefor. The power replenishing circuit of the switching power supply comprises: a control module, whi...
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WO/2024/090982A1 |
An air conditioner capable of suppressing inverter loss is provided. The air conditioner includes a motor driving device of a motor having a plurality of phase coils not connected to each other, and the motor driving device includes two ...
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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/2024/087637A1 |
The present application belongs to the technical field of switching power source control, and relates to a switching power source, a DCM-based self-powered circuit and a power supplementing method, and a CCM-based self-powered circuit an...
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WO/2024/083123A1 |
Provided are a three-phase Vienna rectification circuit and a design method therefor. The three-phase Vienna rectification circuit comprises a three-phase alternating-current input end, three inductors, three power switch groups, a first...
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WO/2024/082132A1 |
Embodiments of the present invention disclosea device for DC bus capacitor and method thereof, electrical device and storage medium. The device comprising: a resistor, connected in series with a DC bus capacitor of a converter; a braking...
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WO/2024/085377A1 |
A power supply device is disclosed. This power supply device comprises a PFC circuit and a control circuit for controlling the operation of the PFC circuit. The PFC circuit comprises: a power input unit that receives an AC voltage as an ...
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WO/2024/082211A1 |
There is provided a DC-to-DC power converter 100, comprising: first and second input terminals 101, 102 for coupling to a DC power supply; a plurality of DC-to-AC power converter modules 110, each of which comprises first and second DC i...
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WO/2024/082252A1 |
A pulse synchronization control method for a converter, and a converter and a computer-readable storage medium, which relate to the technical field of converters. In the method, a pulse modulation instruction is sent to each power module...
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WO/2024/082980A1 |
A chip, a control chip, a switching power supply and a power adapter, which relate to the technical field of electronics, and can ensure precision in detecting a current. The chip comprises: a substrate; a first switch tube manufactured ...
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WO/2024/083387A1 |
The invention relates to a method for operating switching elements (24) of an inverter (20) which is electrically coupled to a multiphase alternating voltage (16), wherein the inverter has at least one series circuit (22) which consists ...
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WO/2024/083326A1 |
The invention relates to a busbar arrangement (1) for connecting a first component (2) and a second component (3), the busbar arrangement at least having a plurality of electrical conductors (4) for the electrical transfer of a multiphas...
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WO/2024/083391A1 |
The invention relates to the detection of an electric current through a diode which is arranged in parallel with a semiconductor switching element. For this purpose, an output signal of a circuit arrangement is used for saturation monito...
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WO/2024/083648A1 |
The invention refers to a control method for power converter, that assures operation under Zero Voltage Switching (ZVS) condition in a broad power range in a reliable manner, and which is easy to implement. The control method for operati...
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