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WO/2023/197547A1 |
The present disclosure relates to the technical field of advanced control of high-performance power conversion systems, and in particular provides a reliable parallel control system and method for an efficient bidirectional power convers...
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WO/2023/199840A1 |
he present invention suppresses oscillation in a sense current detection signal outputted from a power semiconductor element for current monitoring. A voltage control circuit (1c) includes a diode (D1) for charging a gate voltage to be...
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WO/2023/198336A1 |
The invention relates to the process of producing actuation pulses for a pulse-width-modulated actuation process. Instead of centered pulses, pulses are produced which are shifted to the edge of a pulse period. In this manner, the requir...
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WO/2023/199259A1 |
A filtering circuit (1) for battery chargers of electric or hybrid vehicles, which comprises at least one electromagnetic interference filter (2, 8) provided with at least one coil (2) comprising: one ferromagnetic core (3); four winding...
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WO/2023/198342A1 |
Control signals for power switches in a resonant DC/DC converter, for example an LLC converter, are generated by counting a number of clock cycles, for example 1000, of a clock with a high frequency, for example 100 MHz. In this way, a s...
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WO/2023/197660A1 |
Provided in the present application are a controller for an active clamp flyback conversion circuit, a power source module, and an electronic device. After an active clamp flyback conversion circuit operates in a paused operation state, ...
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WO/2023/197802A1 |
Provided are a bootstrap driving circuit, an electric-motor controller, a compressor, and a vehicle. The bootstrap driving circuit (100) comprises a bootstrap unit (110), a negative voltage unit (120), a driving unit (130), and a voltage...
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WO/2023/197594A1 |
The present application discloses an overvoltage protection driving circuit, a motor driving circuit, and a vehicle. The overvoltage protection driving circuit comprises a switch signal generation module, a first switch module, a second ...
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WO/2023/195275A1 |
The present invention suppresses oscillation occurring in a detection signal of a sense electric current outputted from a semiconductor element for electric current monitoring. Collectors of a main IGBT (1a) and a sense IGBT (1b) are c...
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WO/2023/193729A1 |
Disclosed in the present invention are a low-frequency power transmission system outage method and system. The low-frequency power transmission system outage method of the present invention comprises: setting three bridge arms, which are...
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WO/2023/193914A1 |
A charger configured for wide input/ output voltage regulation. The charger includes a low- frequency half-bridge switching device circuit, a high-frequency half-bridge switching device circuit and a controller configured to receive an o...
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WO/2023/193455A1 |
The present application discloses a driving circuit (10), a light-emitting circuit, and a display device. The driving circuit (10) is connected to a load element (20), and the driving circuit (10) comprises: a switch power supply circuit...
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WO/2023/193548A1 |
Disclosed in the present disclosure are a switching transistor turn-off negative voltage determination method and apparatus, and a switching transistor driving control circuit. The turn-off negative voltage determination method comprises...
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WO/2023/196767A1 |
An IC is coupled to a power stage having a first half bridge having first and second transistors and a second half bridge having third and fourth transistors. A controller (110) has a first control output to provide first-fourth control ...
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WO/2023/193764A1 |
The present invention provides a power conversion circuit and a control method. The power conversion circuit comprises: a main loop composed of a first power circuit, a second power circuit, a switching circuit and a main loop switch; an...
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WO/2023/193561A1 |
Disclosed in the present disclosure are a parameter determining method and device for a gate drive resistor of a switching transistor, and a circuit. The method comprises: inputting obtained total turn-on time and turn-on drive voltage i...
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WO/2023/193649A1 |
The present invention belongs to the technical field of wireless power transmission. Disclosed is a dynamic wireless power transmission output power control method based on sliding mode prediction control. The method is applied to an LCC...
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WO/2023/194875A1 |
A method for cancelling the effects of variation of primary voltage supplied to a welding power supply includes receiving a mains voltage at the welding power supply, rectifying the mains voltage to obtain a rectified voltage, applying t...
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WO/2023/195814A1 |
A solenoid controller according to an embodiment of the present invention comprises: a switching unit for outputting a voltage input from a power supply unit to a solenoid; a first clamping element for connecting one end of the solenoid ...
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WO/2023/185189A1 |
mbodiments of the present application provide a power control circuit and a control method therefor, applied to the field of energy. The power control circuit comprises an alternating-current power supply module, a power module, and a co...
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WO/2023/192153A1 |
A bridgeless power factor correction (PFC) control circuit includes a non-linear current sensor (218). The non-linear current sensor (218) includes a non-linear shunt (222, 224), a comparator (228), and a reference voltage circuit (230)....
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WO/2023/186368A1 |
The present invention relates to the control of a DC-DC converter. A controlled variable of the DC-DC converter is formed as a combination of voltage control and current control. The maximum permissible current for the current control ca...
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WO/2023/192092A1 |
A bidirectional converter includes first and second terminals between which a current flows and a current-sensing circuit electrically connected to only one of the first and the second terminals to sense the current. Current sensing is o...
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WO/2023/191203A1 |
According to an embodiment of the present invention, an energy conversion system comprises: a plurality of energy conversion modules which collect external energy and convert same to electrical energy; and DC-DC converters which are conn...
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WO/2023/187274A1 |
The present invention relates to a method for controlling an inverter that controls an electric machine and that is controlled by a first control device in a nominal operating mode and by a second control device in order to apply a safet...
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WO/2023/186784A1 |
The invention is concerned with a method, computer program and computer program product for determining a synchronizing angle for a processing plane comprising a first axis and a second axis, a controller for controlling a voltage source...
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WO/2023/184659A1 |
The present invention provides a wireless charging system control circuit and method for controlling a rectifier mode via a hard wire. The wireless charging system control circuit comprises a rectifier mode control signal generation circ...
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WO/2023/191552A1 |
According to the present invention, a flyback-type power supply device comprises: an input filter capacitor; a transformer; a first switching element for opening/closing a passage of current flow between the input filter capacitor and a ...
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WO/2023/188972A1 |
This semiconductor device (1) comprises: upper-side control input terminals (T1p, T2p, T3p); lower-side control input terminals (T1n, T2n, T3n); a power source terminal (Tvb); a control logic unit (16); a reference power source circuit (...
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WO/2023/191640A1 |
Described herein is an embedded system comprising: at least one power domain comprising analogue and/or digital circuitry; at least one domain storage unit (166) for providing energy to the power domain; a main storage unit (172) for sto...
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WO/2023/186228A1 |
The invention relates to a renewable energy converter comprising: two DC connections; at least two branches; and a converter controller arrangement. Each of said at least two branches comprises: an phase output; a first set of power modu...
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WO/2023/187863A1 |
Provided is a driving circuit which makes it possible to reduce the amount of surge that occurs during an off operation performed when an overcurrent is detected, while reducing switching loss at a normal operation. The present invention...
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WO/2023/188502A1 |
This power conversion device comprises: a power conversion unit and a control unit. The power conversion unit has a first semiconductor module. The first semiconductor module includes a plurality of power semiconductor elements. Some of ...
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WO/2023/186379A1 |
A control system for controlling parallel connected power converters comprises a data processing system (101-103) configured to form, for each power converter, a reactive power indicator (lreact_n) based on data indicative of reactive po...
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WO/2023/188960A1 |
This backup power supply comprises: a battery module comprising a plurality of battery cells; a power conversion unit that performs a voltage adjustment on the output of the battery module and outputs the voltage-adjusted output to a loa...
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WO/2023/190776A1 |
A power conversion device according to an aspect of the present disclosure comprises a base plate; a substrate on the base plate; a heating element and a temperature sensor provided on the substrate; and a control unit, and is connected ...
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WO/2023/187306A1 |
A power converter for converting an input voltage at an input of the power converter into an output voltage at an output of the power converter may include a first power converter branch comprising a first capacitor, a first switch netwo...
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WO/2023/186380A1 |
A control system for controlling parallel connected power converters comprises a data processing system (101-103) configured to form, for each power converter, a frequency droop value (Δfdroop_n) based on electric power of the power con...
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WO/2023/188823A1 |
A gate drive device 20H comprises: a gate drive unit 21H that outputs power for switching the on/off of a semiconductor switching element 30H; a speed control unit 22H that controls at least one of the turn-on speed and the turn-off spee...
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WO/2023/185421A1 |
Provided in the present invention is a power driving circuit. The power driving circuit comprises: a high/low-side driving module, which is used for performing turning-on and turning-off according to a cooperative control signal, and whe...
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WO/2023/186234A1 |
The invention relates to an electrolysis power converter system. The system comprises an electrolytic cell arrangement associated with an electrolysis voltage; an AC-to-DC conversion arrangement coupled to an AC electrical power grid and...
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WO/2023/186423A1 |
The invention relates to a DC-DC converter arrangement comprising at least one DC-DC converter, wherein the DC-DC converter comprises a current control and a voltage control. According to the invention, for the current control, a first c...
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WO/2023/181661A1 |
This driver device is configured to drive a switching element. The driver device comprises a pull-down circuit that is connected to the control terminal of the switching element. The pull-down circuit is configured to enable a first pull...
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WO/2023/183687A1 |
Apparatus and techniques for adaptively adjusting an input current limit for a boost converter supplying power to a load, such as an amplifier. An example circuit for supplying power generally includes a boost converter having an output ...
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WO/2023/182402A1 |
The present disclosure addresses the problem of reducing failures while restraining an increase in size. According to the present disclosure, a gate drive circuit (1) comprises a signal generation unit (11), a signal blocking unit (12), ...
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WO/2023/183143A1 |
One example includes a power supply system. The system includes a voltage-limit power regulator to generate an output voltage and an instantaneous overvoltage sensor configured to detect an overvoltage condition associated with the outpu...
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WO/2023/180680A1 |
A DC-DC converter for converting an input voltage at an input node, the converter comprising: first and second inductor nodes for connection of an inductor therebetween; first and second flying capacitor nodes for connection of a flying ...
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WO/2023/181660A1 |
Provided is a drive device configured to drive a switching element. The drive device comprises a variation unit configured to vary performance for supplying a current to a control terminal of the switching element during a period from st...
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WO/2023/179830A1 |
The present invention provides a power module arranged to receive a DC electric input signal at first and second connection terminals (A, B), and to output an AC electric output signal at third and fourth connection terminals (C, D). A s...
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WO/2023/181166A1 |
This power conversion device comprises: a power conversion circuit that is connected to a DC power supply via a switch; a smoothing capacitor that is connected between the power supply line and the ground line of the power conversion cir...
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