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WO/2022/258265A1 |
The invention relates to a charging current method (1) for limiting a charging current (IL) in a DC voltage circuit (2), wherein the charging current (IL) is conducted from an electric supply grid (4) into the DC voltage circuit (2) via ...
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WO/2022/258782A2 |
A power supply system comprises a first node connected to a second node via an electrically conducting cable, wherein the cable is conducting alternating current at high frequency (e.g. 100Hz or higher, e.g. 20KHz or higher) between the ...
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WO/2022/257491A1 |
Disclosed in the present invention are a loss optimization control method for a modular multilevel converter under fault-tolerant control. The method comprises the following steps: S1, when a modular multilevel converter normally operate...
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WO/2022/258456A1 |
Disclosed is a power supply (1) for an LED load (2), comprising an isolating transformer (13) configured to inductively transfer power of a rectified mains supply (17) from a primary side (11) of the power supply (1) to a secondary side ...
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WO/2022/258414A1 |
The invention relates to a method for energizing a transformer (11) in a three-phase power grid (10), wherein the phases (L1, L2, L3) of the transformer (11) are switched-on asynchronously in a manner to reduce inrush-currents flowing in...
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WO/2022/257087A1 |
The present disclosure relates to a method and apparatus for controlling wireless charging. The method comprises: receiving a first signal representing a peak current or root mean square of an alternating current that flows through a sec...
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WO/2022/259646A1 |
This semiconductor device comprising: a first conductive pattern; a second conductive pattern; a first semiconductor chip in which a switching element having a high-potential-side electrode on the back surface and a low-potential-side el...
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WO/2022/255828A1 |
The present invention provides an active compensation device that actively compensates for noise generated in a common mode on each of at least two high current paths. The active compensation device comprises: a sensing unit that generat...
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WO/2022/255700A1 |
Provided is an aerosol generating apparatus including: a susceptor configured to heat an aerosol generating article inserted into an accommodation space of the aerosol generating apparatus; an induction coil arranged around the susceptor...
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WO/2022/254569A1 |
A power semiconductor element drive adjustment circuit (1000) comprises: a voltage detection unit (2) for detecting the collector-emitter voltage of a power semiconductor element (1); a current detection unit (3) for detecting the collec...
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WO/2022/254608A1 |
This command device (30) is connected, by a serial line (L1), to a drive device (40) which controls the operation of a plurality of first switching elements and one or more second switching elements. The command device (30) comprises: a ...
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WO/2022/255622A1 |
According to an embodiment of the present disclosure, a method of controlling an aerosol generating device that generates an aerosol based on ultrasonic vibration of a vibrator of the aerosol generating device is provided. The method inc...
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WO/2022/255008A1 |
Provided is a gate drive device that performs drive control of a gate-driven semiconductor switching element that includes a current sense terminal, the gate drive device comprising: a waveform detection circuit (40) that takes in a dete...
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WO/2022/253704A1 |
The invention relates to a circuit assembly for providing electric power for at least one DC load, in particular for at least one electrolyzer cell, from at least one alternating current source, having a primary DC intermediate voltage c...
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WO/2022/255009A1 |
This gate driving device, which performs on/off control by applying a gate driving signal to a gate driven semiconductor switching element by means of a drive circuit, comprises: a determination circuit (30, 30a, 30b, 30c) that determine...
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WO/2022/256835A1 |
A voltage converter comprises a drive control circuit configured to generate switch control signals and a feedback circuit. The feedback circuit comprises a proportional control and a gain controller. The feedback circuit is configured t...
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WO/2022/256722A1 |
Energy-recovery systems and methods are described that can recover excess energy remaining in an electrical or electromagnetic system after the system performs a function during each operational cycle of the system. The recovered energy ...
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WO/2022/252800A1 |
A micro-inverter and a grid-tied output control method and device therefor. The micro-inverter comprises an inverter full-bridge circuit and an LC filter circuit. The LC filter circuit is grid-tied to a power grid by means of an output s...
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WO/2022/254762A1 |
The present invention concerns a method and a system for increasing the lifetime of at least two power dies or power modules. The invention: - senses the temperature of the power dies or the power modules, - identifies, for each power di...
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WO/2022/253279A1 |
Provided in the present invention is a current sampling circuit applied to a bidirectional AC-DC converter. The current sampling circuit comprises: a totem pole PFC circuit, a first current detection circuit, a second current detection c...
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WO/2022/255703A1 |
An electric range comprises: an inverter unit for outputting high frequency power by switching direct current power according to a switching signal to be inputted; a heating unit including a working coil for performing induction heating ...
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WO/2022/253546A1 |
The invention relates to a method for determining at least one status variable of a DC link capacitor (15) of an inverter (15), wherein an input current (i 0) is detected at high frequency at a DC link, wherein output currents (i a , i b...
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WO/2022/252622A1 |
The present application discloses a current sampling circuit based on a bridge circuit, comprising: a first rectifier bridge arm formed by connecting a first switch tube and a second diode in series, and a second rectifier bridge arm for...
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WO/2022/251999A1 |
The present invention relates to a PFC fast dynamic response control method and a system. The control method comprises the following steps: constructing an output voltage controller and using the output voltage controller to perform trac...
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WO/2022/249284A1 |
This load control device (1a) comprises a device (11a) having a plurality of operation modes according to applications and electrically connected to a load (31). The device (11a) has an operation mode determination circuit (12a). The ope...
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WO/2022/248163A1 |
The present invention relates to an electric device for compensating common mode inerference in an electric machine and to a system of electric devices and a vehicle. The device comprises at least one compensation network with at least o...
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WO/2022/200248A9 |
The invention relates to an insulated gate driver circuit (2) for driving a gate terminal of a semiconductor circuit device (6), comprising a low-voltage part (3) and a high-voltage part (5) that are galvanically isolated from one anothe...
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WO/2022/250248A1 |
A PFM/PWM dual mode buck converter device according to an embodiment comprises: a DC-DC buck converter unit for performing a VPWM operation mode or an adaptive on-time PFM operation mode according to on-time control with respect to a hig...
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WO/2022/247485A1 |
The present application provides a current transmission plate, a chip system, and an electronic device. The chip system comprises: a motherboard, a chip, and a power supply unit. The motherboard comprises a first surface and a second sur...
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WO/2022/247289A1 |
A narrow pulse suppression method and apparatus, and a bridge switch circuit. The method is applied to a bridge switch circuit comprising at least one bridge arm. Each bridge arm comprises an upper switch tube and a lower switch tube, wh...
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WO/2022/249187A1 |
A system for controlling an electric motor by implementing a synchronized bidirectional rotary dual active bridge, comprising a rotary transformer having a primary side and a secondary side; a first inverter being a first full active bri...
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WO/2022/249297A1 |
This semiconductor device is on/off controlled by controlling a gate voltage in response to a drive control signal (Ssw). In a turn-on operation for charging a gate in response to the transition of the drive control signal (Ssw) from a f...
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WO/2022/246615A1 |
Disclosed in the present invention is a charger circuit, which comprises a power factor correction module, a resonant power conversion module and a feedback control module. When an output voltage of the resonant power conversion module c...
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WO/2022/246813A1 |
Provided is a power module having a heat dissipation system, comprising a base body (1) and multiple circuit modules (21, 22, 23) which are arranged side by side on the base body (1). The heat dissipation system (3) comprises an inflow p...
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WO/2022/248322A1 |
A power transmitter (101) for wirelessly providing power to a power receiver (105) comprises an output circuit (303, 103) comprising a transmitter coil (103) generating a power transfer signal when a drive signal is applied to the output...
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WO/2022/247852A1 |
A multi-channel signal synchronization method, power supply modules, an electronic device, and a power supply device. In the multi-channel signal synchronization method, a first power supply module (700) is connected to a plurality of mu...
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WO/2022/248329A1 |
A driving arrangement is provided for driving a load, comprising a driver input for receiving an input power and a driver output to be coupled to the load. A high frequency switch mode PFC converter converts the input power to a PFC conv...
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WO/2022/244998A1 |
A display device is disclosed. The present display device comprises: a first voltage-dividing circuit which includes a power supply circuit and a plurality of capacitors, and which divides voltage supplied from the power supply circuit t...
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WO/2022/245286A1 |
In the parallel operation of power supply units, a high line ripple current may be observed in output when the power supply units (PSUs) are supplied with different inputs. For example, a high line ripple current may be observed when PSU...
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WO/2022/243203A1 |
Electric drive arrangement (1) for a motor vehicle, comprising a DC voltage source (2), a voltage converter (3) with a switching arrangement (4) and an electric machine (5), wherein the DC voltage source (2) is connected or can be connec...
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WO/2022/242135A1 |
The present application provides a power conversion system, a power conversion apparatus, and a control method therefor. In the power conversion apparatus, input terminals of each DC/DC conversion circuit inside the power conversion appa...
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WO/2022/244361A1 |
This gate drive circuit is connected through a gate resistor to a semiconductor element having a gate terminal and drives the semiconductor element by changing the gate voltage applied to the gate terminal. When the condition is satisfie...
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WO/2022/243196A1 |
The application relates to a method for operating a short-circuit-protected supply system (10) for supplying a DC grid (14) from an AC grid (12), the supply system (10) comprising: - an active rectifier (20) with sinusoidal filter chokes...
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WO/2022/243783A1 |
A communication device (10) that can be used, for example, for transmitting data signals from the secondary side (SS) to the primary side (PS) of a galvanic-isolation barrier comprises transmitter circuitry (12) and receiver circuitry (1...
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WO/2022/243423A1 |
Current source converter, comprising a first converter stage (101) comprising at least one actively operated switching device (Ta,h, Ta,l, Tb,h, Tb,l, Tc,h, Tc,l) configured to switch electric power between at least one first-side node (...
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WO/2022/244036A1 |
A main circuit power feeder device (4) for feeding control power from a main circuit power storage element (1) to a main circuit controller device (3) comprises: a plurality of voltage-dividing power storage elements (5) connected in ser...
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WO/2022/244288A1 |
The present invention concerns a system for controlling an isolated resonant converter, the isolated resonant converter comprising a bridge converter, a transformer and a rectifier module. The system comprises an input voltage measuremen...
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WO/2022/244906A1 |
A power supply device according to one aspect of the present invention comprises: a switch including a first terminal and a second terminal receiving a control signal, the switch operating to be turned on or off by comparing the magnitud...
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WO/2022/244387A1 |
Provided is a highly reliable and responsive load driving device capable of changing setting of an output voltage change rate (through-rate) in accordance with an output voltage without being affected by a use environment or temperature....
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WO/2022/243596A1 |
Disclosed is a system for zero voltage switching in a power converter (102, 302) comprising first half-bridge (106, 202) and second half-bridge (108, 204, 310, 312, 314). The first half-bridge comprises first set of transistors (202a, 20...
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