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Patent Searching and Data


Matches 651 - 700 out of 28,703

Document Document Title
WO/2023/092224A1
As more power electronics apparatuses use fast switches, such as silicon carbide (SiC) or gallium nitride (GaN) switches, to improve the efficiency and reduce switching losses, significantly higher electromagnetic interferences (EMI) are...  
WO/2023/094529A1
The present disclosure relates to a method for power control of a power converter. The method comprises determining, based on monitoring at least one electrical parameter of the power converter, a switching frequency of a first control s...  
WO/2023/096298A1
An aerosol generating apparatus includes: a housing comprising an accommodation space into which an aerosol generating article is inserted; a heater heating an aerosol generating article inserted in the accommodation space; a display arr...  
WO/2023/096252A1
The present invention relates to an AC/DC power conversion device comprising: an AC system grid; a switching unit connected to the AC system grid and carrying out a switching operation; and a DC link end provided with a first capacitor (...  
WO/2023/087716A1
Provided is a self-powered method for current detection of a built-in high-voltage power tube. A switching circuit based on a switching power supply comprises a transformer, a control chip, a power storage capacitor, a secondary rectifie...  
WO/2023/087434A1
The present invention relates to a power distribution network grounding fault step-down active arc extinction power supply and a control method therefor. The active arc extinction power supply comprises a step-up transformer T2, a four-q...  
WO/2023/087268A1
Embodiments of the present application provide a switching power supply circuit and an electronic device. The switching power supply circuit comprises: a power transistor circuit comprising a plurality of power tubes coupled in series be...  
WO/2023/090941A1
The present invention relates to an auxiliary power supply device for generating auxiliary power of a power conversion device, the auxiliary power supply device comprising: a first auxiliary power supply unit which receives power applied...  
WO/2023/089155A1
The invention relates to a control system (1) for controlling a current source (4) of an operating device (10) for lighting means (5). The current source (4) is configured to provide a current (ILM) to the lighting means (5). The operati...  
WO/2023/087121A1
The present invention relates to the field of electronics, more specifically to the field of apparatus for converting an AC or DC input into an AC or DC output, and in particular, it provides a switch cell comprising an internal power li...  
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...  
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...  
WO/2023/089711A1
A gate drive device for a plurality of series-connected power semiconductor elements comprises: a gate drive voltage output unit that is provided so as to correspond to each of the power semiconductor elements and that outputs a gate dri...  
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...  
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...  
WO/2023/087842A1
The present invention relates to the technical fields of satellite-borne power supply integrated circuit apparatus and mounting, and an integrated circuit apparatus for high-power modules in an aerospace power supply product and a mounti...  
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...  
WO/2023/087835A1
The present invention relates to the technical field of spaceborne power supplies, and relates to a spaceborne secondary power supply single event transient suppression circuit, comprising: a power conversion unit (103); a pulse width mo...  
WO/2023/087757A1
Disclosed is a three-phase asymmetric grid-connected filter, comprising a first inductor, a second inductor, a third inductor, a fourth inductor, a fifth inductor, a sixth inductor, a first resonant circuit, a second resonant circuit, an...  
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...  
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...  
WO/2023/091212A1
A power supply device includes a switching converter, an inductor, and a linear voltage regulator. The inductor is electrically connected between a first switching node and a second switching node of the switching converter. The power su...  
WO/2023/091191A1
A flyback converter to receive an input voltage and provide an output voltage is provided, and may include a transformer having a primary winding and secondary winding, a primary switch coupled to the primary winding, a synchronous recti...  
WO/2023/090029A1
A power supply control device 10 comprises: an upper side gate driver 121 for turning on/off an upper side transistor N1 of N-channel type connected between an end to which an input voltage Vin is applied and an end to which a switch vol...  
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 ...  
WO/2023/091871A1
Circuits and methods that can rapidly detect voltage degradation in a positive charge pump output and discharge control node accumulated charge (CNAC), thereby forcing the positive charge pump into a high-power mode. Embodiments include ...  
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...  
WO/2023/085924A1
In a first aspect there is provided an inductor-less power converter for converting an input voltage to an output voltage at a conversion ratio, comprising a plurality of stages, each stage comprising a capacitor, switching means and a n...  
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...  
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...  
WO/2023/082598A1
The present application relates to the technical field of vehicle-mounted charging, and provides a working mode switching control method and device for a vehicle-mounted charger, and a vehicle-mounted charger. The working mode switching ...  
WO/2023/082642A1
The present invention relates to the technical field of pulsed power. Disclosed is an anti-electromagnetic-interference module control system for a modular pulsed power supply, which system aims to achieve the purposes of ensuring, by me...  
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 ...  
WO/2023/082183A1
A power supply including three feedback loops: an inner voltage loop, an outer voltage loop, and a current sharing loop. The inner voltage loop is the primary regulation/conversion loop that generates the power supply output voltage. The...  
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...  
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 ...  
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...  
WO/2023/082667A1
Provided are a soft start circuit (10), a control method therefor, and a power supply device (100). The soft start circuit (10) comprises a controller (14), a switch unit (11), a freewheeling unit (12), an energy storage unit (13), and a...  
WO/2023/086401A1
A system may include a power converter comprising at least one stage having a dual anti-wound inductor having a first winding and a second winding constructed such that its windings generate opposing magnetic fields in its magnetic core ...  
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...  
WO/2023/083766A1
The invention relates to a DC-to-DC converter (8). According to the invention, the DC-to-DC converter has multiple DC-to-DC converter modules with electric input voltages and output voltages which differ from one another, said modules be...  
WO/2023/082108A1
The present application discloses an electrical system and an electrical device. The electrical system comprises: a pre-conversion module comprising a plurality of first controllable switches; a post-conversion module comprising a plural...  
WO/2023/079820A1
This semiconductor device is provided with: a switching element having a circuit in which a first transistor formed of a field effect transistor and a second transistor formed of an insulated gate bipolar transistor are connected in para...  
WO/2023/078678A1
The invention relates to a charging method for an energy reserve storage means (CER) and to a charging arrangement (1) for an energy reserve storage means (CER) for carrying out such a charging method. The charging method is carried out ...  
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...  
WO/2023/077920A1
The present invention relates to an aerospace low-voltage BUCK anti-interference and delay starting circuit in the technical field of aerospace power sources. The circuit comprises: an input bus (1), a low-voltage BUCK circuit (2), an is...  
WO/2023/081014A1
A feedforward correction block for use in a multi-level output system may include circuitry configured to determine an occurrence of a mode transition between operating modes of the multi-level output system, capture a loop filter output...  
WO/2023/077250A1
Disclosed is an LED light string power adapter having a valley-fill circuit, comprising a shell and a plug arranged at a predetermined position of the shell. An energy-saving circuit board is arranged in the shell; the energy-saving circ...  
WO/2023/078841A1
A boost converter circuit is provided comprising an input arranged to receive an input voltage; an output arranged to generate a higher, output voltage for powering a further circuit portion; a switching arrangement arranged to control g...  
WO/2023/078373A1
Disclosed are a soft-start protection circuit, a method, and lidar. A soft-start protection circuit comprises: an energy-storage capacitor; a field-effect transistor connected to a first end of the energy-storage capacitor, the field-eff...  

Matches 651 - 700 out of 28,703