| Document |
Document Title |
|
WO/2024/083556A1 |
It is described a method of boosting power output (8) of a wind turbine (1) above a nominal power output (30), the method comprising: determining dynamically a maximum active power production limit (15, Pmax) in dependency of a voltage (...
|
|
WO/2024/060622A1 |
Disclosed in the present disclosure are a controller and control system for a frequency converter, and an electrical device. The controller comprises: an amplification circuit, which is used for performing first-stage amplification on an...
|
|
WO/2024/051838A1 |
A voltage amplitude and phase adjustment apparatus and method, and a computer device and a storage medium. The apparatus comprises: a three-phase multi-winding transformer, a first winding switch and a second winding switch, wherein a pr...
|
|
WO/2024/051869A1 |
Provided in the embodiments of the present disclosure are a three-phase voltage impedance adjustable transformer and a control method and control apparatus therefor, a computer device, a storage medium and a computer program product. The...
|
|
WO/2024/051839A1 |
The present application discloses a power supply tie transformer, and a regulation and control method therefor. The power supply tie transformer comprises: a multi-phase parallel transformer, a multi-phase series transformer, and a plura...
|
|
WO/2024/046428A1 |
The present application relates to a control method for a power manager and a power manager. The power manager comprises an input end and an output end, and the output end comprises multiple output channels. An output channel to be measu...
|
|
WO/2024/039011A1 |
The induction heating device comprises: first, second and third nodes; a power supply unit having a first terminal and a second terminal; an inductor connected between the first terminal and the first node; a first switching element conn...
|
|
WO/2024/039126A1 |
This induction heater having an improved circuit configuration may comprise: a heating coil; a rectifier circuit which rectifies AC input power; a power factor correction (PFC) circuit which is connected to the rectifier circuit; a DC li...
|
|
WO/2024/031857A1 |
Disclosed in the present invention are a control method and system for an output transformer of a thyristor current source-type static frequency converter. The method comprises: on the basis of determining the resistance of an output loo...
|
|
WO/2024/031223A1 |
Disclosed in the present invention is an energy-saving and parallel superposition wiring method for a three-phase CSR rectification circuit. The method comprises: outputting two windings at a low-voltage side of a power distribution tran...
|
|
WO/2024/019663A1 |
A gate drive circuit for a power inverter leg in a power inverter comprises a first power switch with a first reverse conduction channel and a second power switch with a second reverse conduction channel. The gate drive circuit comprises...
|
|
WO/2024/017502A1 |
The invention proposes a method for producing hydrogen by means of water electrolysis, in which a direct electrolysis current is fed to one or more electrolysis units (10) at least in a first operating mode, wherein the direct electrolys...
|
|
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 ...
|
|
WO/2024/010435A1 |
The present invention relates to a non-rotating electric power conversion device configured to improve electric power conversion efficiency. The non-rotating electric power conversion device according to the present invention is configur...
|
|
WO/2024/010434A1 |
The present invention relates to a non-rotating power conversion device configured to enhance power conversion efficiency. The non-rotating power conversion device according to the present invention is a non-rotating power conversion dev...
|
|
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/2024/008658A1 |
A method for controlling an electrical converter (14) comprises: determining an average flux reference (I) from a reference torque (T ref) and an estimated torque (II), which is determined from measured currents (isabc,I, isabc,II) and m...
|
|
WO/2024/010440A1 |
The present invention relates to a 2- to 3-phase open star transformer device (10) comprising a connection system wherein it has a 2-phase open star configuration at the input and it has a 3-phase star configuration at the output. The ve...
|
|
WO/2024/001202A1 |
Disclosed in embodiments of the present invention are an unbalanced current regulation system and method for capacity increasing and split-phase output of a distribution transformer. The unbalanced current regulation system for capacity ...
|
|
WO/2024/001203A1 |
Disclosed are an inverter individual-phase control and distribution transformer current unbalance adjustment system and method. The inverter individual-phase control and distribution transformer current unbalance adjustment system compri...
|
|
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/2024/001144A1 |
The present invention provides an electrolytic capacitor-free power converter for a permanent magnet synchronous motor, and a control method therefor. The power converter comprises a rectifier circuit, a power decoupling circuit and a th...
|
|
WO/2023/241074A1 |
Provided in the embodiments of the present application is a flexible power transformer. The flexible power transformer comprises a main transformer and a converter apparatus, wherein the main transformer comprises a primary-side winding ...
|
|
WO/2023/242799A1 |
An AC-to-AC converter is described that comprises input terminals for connection to an AC source, output terminals for connection to a load, a transformer having a primary winding and a secondary winding, a primary-side switch, a pair of...
|
|
WO/2023/231789A1 |
An integrated transformer power source system for a multi-phase plasma generation apparatus, which system relates to the field of power sources of high-power multi-phase plasma generators. The integrated transformer power source system c...
|
|
WO/2023/231278A1 |
The present application discloses a vacuum on-load tap changer test system. The system comprises a fundamental power supply (100) and a harmonic current source (200); the fundamental power supply (100) is used for generating a fundamenta...
|
|
WO/2023/234795A1 |
A phase current compensator contains five single-phase power isolation transformers, two single-phase power step-down transformers, and an inductor. The primary windings of the first three single-phase power isolation transformers are co...
|
|
WO/2023/229595A1 |
An ac switch configured to couple and decouple an ac input to a load, the ac switch comprising a first transistor, a second transistor, and a switch controller configured to control the turn ON and turn OFF of the first transistor and th...
|
|
WO/2023/227205A1 |
The present disclosure relates to a power converter arrangement (100) for power conversion in a single-phase power network. The power converter arrangement comprises: an input filter (120) coupled to a first phase terminal (111) to recei...
|
|
WO/2023/226348A1 |
Disclosed in the present application are an isolated matrix converter and a control method. The converter comprises bidirectional switch modules, a transformer, a resonant inductor, a resonant capacitor and bridge arm capacitors, a bidir...
|
|
WO/2023/226724A1 |
Provided in the present invention are a method for improving the efficiency of a micro-inverter, and a dual-active-bridge-type micro-inverter. The method comprises: performing power modulation mode switching of a dual-active-bridge-type ...
|
|
WO/2023/226048A1 |
There is provided a computer-implemented method for predicting commutation failures, so as to prevent commutation failures from occurring, at an inverter side valve group (35, 36) of a Line-Commutated Converter based High Voltage Direct ...
|
|
WO/2023/227108A1 |
A bidirectional power supply apparatus and system. The bidirectional power supply apparatus comprises: an alternating current input end configured to input an alternating current to the bidirectional power supply apparatus; an alternatin...
|
|
WO/2023/221386A1 |
The present invention aims to reduce the requirement of a variable-frequency drive system for the withstand voltage of a single power unit, and also aims to avoid the shutdown of the variable-frequency drive system caused by the damage o...
|
|
WO/2023/218307A1 |
An AC-to-AC converter is described that comprises input terminals, pairs of output terminals, a plurality of bridge arms, and a control unit. The bridge arms are connected in parallel to the input terminals and comprise a respective brid...
|
|
WO/2023/218059A1 |
Electrical converter comprising a first converter stage (1) connected to a plurality of first converter terminals (a,b,c). The first converter stage comprises, for each of the plurality of first converter terminals a switching cell (11) ...
|
|
WO/2023/216362A1 |
Disclosed in the present application are an HART circuit and a state determination method for a field interface thereof. The HART circuit comprises: a control interface, an adjustable power supply module, a first HART module, an isolatio...
|
|
WO/2023/213472A1 |
In some examples, a control system for regulating a three-phase power supply comprises, for each one of multiple sources of alternating current (AC), the AC sources configured to supply respective input AC signals each with defined phase...
|
|
WO/2023/212786A2 |
The invention relates to electrical engineering and can be used as a device for protecting electrical circuits against overload currents and short circuits in alternating current generators and secondary power supplies operating at input...
|
|
WO/2023/212787A2 |
The invention relates to electrical engineering and can be used for regulating poor quality (fluctuating, pulsed, direct current voltage, with an unstable frequency of from 10 to 800 Hz or more) 220 volt 50 Hz pure sine alternating mains...
|
|
WO/2023/213047A1 |
Disclosed in the present invention are a switch power source for isolated output on a single path among multiple paths, and an LLC switch circuit. The switch power source comprises a power factor correction circuit and an LLC switch circ...
|
|
WO/2023/212225A1 |
Vehicle power distribution systems are described comprising one or more converter units in electrical communication with a vehicle power source. The converter unit is configured to receive a three-phase, high-frequency alternating curren...
|
|
WO/2023/212452A1 |
In one embodiment, an apparatus includes a surge voltage blocker circuit to couple between a distribution grid network and a grid-side power converter of a power conversion system. The surge voltage blocker circuit may include a pluralit...
|
|
WO/2023/200062A1 |
The present invention relates to a sub-module for a single packaging type semiconductor transformer with excellent insulation and induction heating prevention performance, which can increase insulation performance by securing a separatio...
|
|
WO/2023/200063A1 |
The present invention relates to a submodule for a single packaging type semiconductor transformer with reduced partial discharge and excellent insulation performance, wherein the submodule may secure a separation distance between a high...
|
|
WO/2023/195078A1 |
Provided is a power adjustment device for three-phase six-arm which controls, via phase control, the supply of power with respect to a load from a three-phase AC power source, said power adjustment device being capable of being used also...
|
|
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...
|
|
WO/2023/186260A1 |
A system (100) and a method (1300) for controlling the system (100) are provided. The system comprises at least one transformer (110) connectable to an electrical power grid (101) for galvanically isolating the system from the electrical...
|
|
WO/2023/185382A1 |
A solid-state transformer and a power supply device, which are used for improving the fault-tolerant operation capability of a solid-state transformer. The solid-state transformer comprises a plurality of power conversion units which are...
|
|
WO/2023/184602A1 |
An intrinsically safe and explosion-proof photoacoustic spectroscopy dust measurement device, comprising an optical measurement dustproof chamber (2) and a power supply explosion-proof chamber (1) mounted on the optical measurement dustp...
|
