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Patent Searching and Data


Matches 301 - 350 out of 28,863

Document Document Title
WO/2024/011875A1
The present application provides a converter and a chopper transistor blocking control method therefor. According to the chopper transistor blocking control method, when switching transistors in a converter need to be blocked, switching ...  
WO/2024/012187A1
A PFC circuit, a control method for the PFC circuit, a medium and a household appliance. The PFC circuit (30) comprises a first inductor (L1), a first switching transistor (Q1) and a second switching transistor (Q2). The first switching ...  
WO/2024/015063A1
Disclosed herein are related to a configurable power converter to convert between a direct current (DC) voltage and an alternating current (AC) voltage. In one aspect, the configurable power converter includes a first set of switches cou...  
WO/2024/012806A1
The invention relates to a method for operating a hybrid-multilevel inverter according to the preamble of claim 1. The invention also relates to a hybrid-multilevel inverter and to a computer program for carrying out the method.  
WO/2024/013664A1
The technology relates to electrical devices comprising a length of superconducting material with a critical current when current travels in one direction is different to a critical current of the length of superconducting material when ...  
WO/2024/012696A1
The present disclosure relates to a converter circuit. The converter circuit comprises n input ports; an output port; n three port converters (TPCs) each having a first port, a second port, and a third port; and m further converters each...  
WO/2024/012022A1
A wireless charging rectifier circuit (122), a wireless charging device and a ventricular assist device, the wireless charging rectifier circuit (122) comprising a first filter circuit (10), a bridge rectifier circuit (20) and a second f...  
WO/2024/013774A1
The proposed invention relates to an adaptive energy converter with variable duty cycle and frequency modulation. Said converter is capable of generating a single signal in which frequency and duty-cycle vary simultaneously, as required,...  
WO/2024/013779A1
A semiconductor driving device (100) of the present disclosure comprises: a timing generation unit (12) which generates respective gate-on command signals for a plurality of gate terminals on the basis of an on-off command signal from th...  
WO/2024/013156A1
We describe a converter for generating a multi-phase output voltage that uses a three-level converter having Upper pairs of switches (Upper and Mid-Lower) and Lower pairs of switches (Lower and Mid-Upper) arranged between positive and ne...  
WO/2024/012743A1
The invention relates to the monitoring of a reverse converter in order to detect an overload condition. For this purpose, a control signal is detected by a control element in the reverse converter and analyzed. An overload condition can...  
WO/2024/013472A1
Offline prior to operation, an optimised control sequence is derived for a pulse system comprising a reactive circuit for generating electromagnetic pulses, such as a transcranial magnetic stimulation circuit, and cascaded switching modu...  
WO/2024/015284A1
A power controller system and method for monitoring available power from an input power source, such as one or more photovoltaic ("PV") cells/panels, and controlling power output to one or more loads. A predetermined threshold input volt...  
WO/2024/012744A1
The invention relates to activating an active discharge of a DC link capacitor. To this end, provision is made of a discharge device which can detect a condition for activating the discharge of a DC link capacitor independently of other ...  
WO/2024/008973A1
An electrical converter (10) comprises a main stage (12) adapted for converting a DC voltage into an intermediate voltage comprising at least two voltage levels and a filter cell stage (14) with a filter cell (30) for each phase of the m...  
WO/2024/008311A1
An active filter (16) for reducing electromagnetic noise comprises an injection impedance (Zinj) and a controlled current source (24), wherein the injection impedance (Zinj) and the controlled current source (24) are connected in series ...  
WO/2024/008478A1
A method for controlling an electrical converter system (10) with at least two electrical converters (28a, 28b) comprises: determining a pulse pattern (A 1, U 1; A 2, U 2) for each electrical converter (28a, 28b) from a reference convert...  
WO/2024/008407A1
The invention relates to a method for operating a grid-connected inverter (1) which is connected to an electric machine (3), in which method at least one circuit breaker (4) of the inverter (1) is switched on at a firing angle αzü for ...  
WO/2024/009057A1
Apparatus is provided for treating an electrode in an electrochemical cell. The electrode is treated to evolve catalytic oxide layers on the electrode surface, which make the electrode suitable for use in hydrogen production. The apparat...  
WO/2024/007685A1
Disclosed in the present disclosure are a frequency converter cooling device, a cooling method and an air conditioning apparatus. The frequency converter cooling device comprises: an inlet pipeline; an outlet pipeline, which is provided ...  
WO/2024/007433A1
The present application discloses a semiconductor device and an electronic terminal. The semiconductor device comprises an insulating substrate and a driving circuit located on at least one side of the insulating substrate; the driving c...  
WO/2024/007794A1
The present application relates to the technical field of electronics, and provides a driving circuit and an electronic device, used for simplifying the structure of the driving circuit and reducing the design complexity while reducing t...  
WO/2024/007754A1
Disclosed in the present invention are a power supply conversion circuit with magnetic balance and a control method therefor. The power supply conversion circuit comprises a primary side conversion module, a transformer, a secondary side...  
WO/2024/008464A1
The present disclosure relates to the field of switched mode power supplies (SMPS) and isolated converters, in particular for lighting technology. The present disclosure provides a sensing circuit (100) for an isolated converter (201). T...  
WO/2024/009028A1
The device for charging a battery (15, 16) of an aircraft (1) comprises a reversible electrical power converter (13) comprising a power inlet (132) configured to be connected to the battery (16) and a power outlet (134) configured to be ...  
WO/2024/008970A1
The invention relates to a method for operating a power converter comprising a power electronics circuit, which comprises at least one semiconductor switch, wherein an adjustable transmission ratio between voltages and/or currents is gen...  
WO/2024/004208A1
This electric power conversion device having an arm pair (3) in which a first semiconductor switching element (M1) and a second semiconductor switching element (M2) are connected in series between a DC plus terminal and a DC minus termin...  
WO/2024/002548A1
A charging device for a vehicle, wherein the charging device (500) has an input-side input terminal unit (100) for connecting a single-phase or three-phase alternating voltage, a PFC stage (200) for providing a direct voltage at an inter...  
WO/2024/001124A1
The present application discloses an isolated AC-DC converter, a charging device, and a power supply system. The isolated AC-DC converter comprises: a PFC filter, wherein an input end of the PFC filter is connected to an alternating curr...  
WO/2024/006046A1
Techniques are provided for improving power efficiency of a multiphase direct current (DC) – DC voltage converter configured to provide DC power to a time domain duplexing radio by enabling a number of phases during a downlink subframe...  
WO/2024/006183A1
Techniques for controlling a switching converter. In an example, the converter includes a switching element and a logic circuit. The switching element includes a plurality of parallel- coupled transistors (S1a-b). The logic circuit (203)...  
WO/2024/004048A1
A power conversion device (1) comprises a three-phase inverter (10) and a control device (12) for controlling the operation of the three-phase inverter (10). The three-phase inverter (10) converts input power to three-phase AC power and ...  
WO/2024/001571A1
Provided in the present application are a power source module and an electric apparatus. The power source module comprises a battery cell and a circuit board, which is electrically connected to the battery cell, wherein there is only one...  
WO/2024/003952A2
Techniques are provided for correctly associating a feedback port of a DC-DC voltage converter system and a DC power output port of the DC-DC voltage converter system. By having a correct association, measurement data from a measurement ...  
WO/2024/002082A1
A three-phase power supply conversion circuit for a household appliance, a household appliance, and a power-on control method. The three-phase power supply conversion circuit comprises a three-level active PFC unit, at least two power-on...  
WO/2024/000921A1
An undervoltage detector (300) and a power supply system having said undervoltage detector (300). The undervoltage detector (300) comprises a switched capacitor circuit (310), a start-up control circuit (320), and a single-ended comparat...  
WO/2024/004868A1
This semiconductor switch drive circuit comprises a drive power source and a semiconductor switch drive unit. The semiconductor switch drive unit comprises: a connection switching unit; a capacitor that generates a positive voltage; a ca...  
WO/2024/002525A1
An active discharge system and method includes an inverter circuit including a plurality of inverter legs including a first inverter leg and a second inverter leg, with each leg including first and second power switches. In response to a...  
WO/2024/005266A1
The present invention relates to an initial driving device and method for a solid-state transformer, in which an internal capacitor of a solid-state transformer is charged using a battery already possessed, instead of a separate external...  
WO/2024/000210A1
A voltage conversion circuit, comprising: an AC/DC conversion unit, a DC/DC conversion unit, a first control unit, and a second control unit. The AC/DC conversion unit is connected to the DC/DC conversion unit by means of a direct-curren...  
WO/2024/003938A1
The invention discloses a hybrid-mode time-based voltage regulator 100, comprising a PID controller 110 that combines analog and digital techniques. It replaces the VCDL-based PD control with digital PD control and utilizes a voltage-con...  
WO/2024/000949A1
A DC/AC conversion circuit and a control method therefor, and a modulation method for a cycloconverter. The circuit comprises: an inverter unit (101), which is used for inverting a direct current into an alternating current; at least one...  
WO/2024/006921A1
A gate driver circuit which integrates a synchronous bootstrap circuit in an isolation well of an integrated circuit, such that the synchronous bootstrap capacitor connected to the synchronous bootstrap circuit (and to the corresponding ...  
WO/2024/005691A1
The present application relates to a method of operating a converter (12) within an operating range, the converter being comprised in an electrical circuit (10) for a vehicle (50), which electrical circuit (10) comprises at least one loa...  
WO/2024/000054A1
The invention relates to the implementation of closed-loop current control for three-phase electronic power converters connected to the power grid, based on selective harmonic elimination pulse-width modulation (SHE-PWM) with measured cu...  
WO/2024/003335A1
According to one aspect, a device (20) for monitoring a power supply (10) for safety extra low voltage, comprises: a first monitoring element (110), which is designed to monitor a first current (I1) and a first voltage (U1), which are ou...  
WO/2024/002526A1
In one embodiment, a method includes receiving DC bus voltage conditions of multiple AC to DC converters of an Input-Series-Output-Parallel power converter during a rectification stage; detecting a peak voltage of each of the DC bus of t...  
WO/2023/247751A1
According to a first aspect, the invention provides a device (200-1) for providing a stable DC voltage supply (220). The device (200-1) comprises a matching converter (206) that is electrically conductively connected or connectable, on a...  
WO/2023/248335A1
In a semiconductor device (100) for controlling driving of a semiconductor element (10), a current control unit (1) is provided for passing a pulsed current between a negative electrode terminal (S) and a control terminal (G) of the semi...  
WO/2023/249447A1
A power conversion device according to an embodiment of the present invention comprises: a power conversion unit that converts and outputs input power; an auxiliary power unit that receives power from a first input/output terminal of the...  

Matches 301 - 350 out of 28,863