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WO/2024/017771A1 |
A method for controlling a switch-controlled capacitor (SCC) in a resonant power converter includes: detecting a first zero crossing of a current through the SCC; determining a first predetermined time having elapsed after the first zero...
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WO/2024/016780A1 |
A BUCK circuit and a power-on control method therefor, a controller, and a power-on control device. The power-on control method comprises: determining the withstand current of a first switching transistor in a BUCK circuit, and determini...
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WO/2024/016059A1 |
An electrical line selection system comprising a circuit module configured to connect energy sources with multiple line outputs. The circuit module has a number of inputs configured to connect to energy sources, including rechargeable ba...
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WO/2024/017599A1 |
The disclosure relates to a direct multi-to-single-phase, modular multi-level converter, MMC (10), comprising a first AC interface (40) for connecting it to a multi-phase, first power grid (20), in particular a three-phase power grid, a ...
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WO/2024/017770A1 |
A multi-phase power converter includes a printed circuit board having a plurality of conductive layers in a spaced apart and parallel relationship. The plurality of conductive layers includes a plurality of power planes in an interleaved...
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WO/2024/016146A1 |
An embodiment of the present disclosure provides a driving circuit for driving a capacitive load, such as a piezoelectric MEMS sound transducer. The driving circuit includes a step-up circuit configured to increase a load voltage across ...
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WO/2024/019259A1 |
A power factor correction converter device according to an embodiment disclosed herein comprises: a DC-link capacitor that is charged with an input voltage of an input voltage sensor power factor correction converter device; an output vo...
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WO/2024/017775A1 |
The invention relates to a vehicle (1) comprising an electrical circuit arrangement (2), wherein the electrical circuit arrangement (2) has: a traction battery (4); an electrical connection (5) for electrically coupling to a vehicle-exte...
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WO/2024/018106A1 |
The method comprises detecting reference signals from the grid, determining inefficient currents, which include phase differences, asymmetries, distortions and harmonics, using a correction algorithm to correct one or more of said ineffi...
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WO/2024/017620A1 |
The invention regards a programmable gate driver array for a switched-capacitor DC- DC converter comprising at least one input terminal, a plurality of power switch terminals connectable to a plurality of power switches configured to con...
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WO/2024/012081A1 |
The present application relates to a DCDC circuit, a circuit start-up method, a device, a medium, and program product. A control circuit controls the ON-duration of a first switching tube and a second switching tube in a first bridge cir...
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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 ...
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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 ...
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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...
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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.
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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 ...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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)...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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