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Matches 1 - 50 out of 7,419

Document Document Title
WO/2019/155109A1
The invention relates to a conversion system (100) with a DC side and an AC side, and to an associated control method. The system (100) comprises a primary conversion block (1), a secondary conversion block (2) and a transformer block (3...  
WO/2019/148800A1
Disclosed are a switching control method and apparatus for a modular converter, and a wind power converter. The switching control method for a modular converter comprises: acquiring an output voltage vector and an output current vector o...  
WO/2019/148922A1
A neutral-section-passing electronic switch energy extraction circuit, comprising a power supply unit, an adjustment unit and an energy extraction unit that are connected in sequence, wherein the power supply unit comprises a power suppl...  
WO/2019/147230A1
Example implementations relate to an apparatus to control supplying power to a linear load; the power having a predetermined current profile; the apparatus comprising a controller to establish synchronisation information associated with ...  
WO/2019/147323A1
Methods and controllers to operate a wind turbine system, including generating control signals to operate a boost converter and an inverter according to a setpoint, increasing the setpoint, sampling a feedback value after increasing the ...  
WO/2019/147143A1
The present disclosure relates to a boost active bridge converter, which has particular, but not sole, relevance to a converter for an inductive or capacitive (wireless) power transfer system. According to an embodiment An AC-AC converte...  
WO/2019/136574A1
The present invention relates to an external parallel-connected time-sharing selective switching voltage-type single-stage multiple-input low-frequency link inverter, the circuit structure thereof is constituted by one external parallel-...  
WO/2019/134928A1
The invention relates to a method for feeding electrical power into an electrical supply grid, comprising the steps of: rectifying a first AC voltage of a electrical power, which is produced by a generator, into a first DC voltage, and i...  
WO/2019/120402A1
The present invention relates to a method for simultaneous operation of a plurality of chopper circuits of a wind turbine power converter, the method comprising the steps of operating a controllable switching member of a first chopper ci...  
WO/2019/126667A1
An energy control circuit is provided. The energy control circuit includes an input circuit; an output circuit; an energy storage circuit coupled between the input circuit and the output circuit; and a controller coupled to the input cir...  
WO/2019/120406A1
The invention relates to a method for operating a wind turbine which comprises a power generator, a generator side converter, a grid side converter, a DC link electrically connected to an output of the generator side converter and an inp...  
WO/2019/121755A1
This application relates to methods and apparatus for powering microcontrollers (104), in particular for powering microcontrollers of a personal care product, such as a shaver product (107). The microcontroller is arranged such that a fi...  
WO/2019/116714A1
The present invention is provided with a transformer, a first circuit and a second circuit connected to each other via the transformer, a first module 11 in which the first circuit is mounted to a first housing 101, and a second module 1...  
WO/2019/110090A1
The invention relates to an arrangement (1) comprising an asynchronous machine (5) having a rotor (7) and a stator (6), wherein the arrangement is set up in a generator mode for feeding electrical energy into an AC voltage network (4). T...  
WO/2019/109653A1
The present application discloses a power supply circuit, a relay device, and a Power-over-Ethernet system, pertaining to the technical field of electronics. A positive output terminal of each rectifier module in the power supply circuit...  
WO/2019/105745A1
The invention relates to DC link converters comprising DC links (3) having DC link capacitors (4), which are connected to an energy supply (2) via rectifiers (1) and to loads (6) via inverters (5). The DC link converters have two termina...  
WO/2019/102973A1
A power conversion apparatus includes a rectifier to convert AC power into constant-current DC power, a resonant inverter to convert the DC power into AC power to be output to a load, and a control unit to receive settings of an output c...  
WO/2019/102839A1
Provided is a power conversion device which is small and can be configured inexpensively. The power conversion device (100) is provided with first to third power conversion cells (20-1 to 20-6) connected between a primary-side system (60...  
WO/2019/096417A1
The present disclosure relates to a method for controlling a converter (10) connected to a first AC grid (17) via a first transformer (14a) and to a second AC grid (18) via a second transformer (14b). The method comprises calculating a f...  
WO/2019/097712A1
A power conversion device according to an embodiment of the present invention is provided with an element unit and a capacitor unit. The element unit includes a first positive electrode bus, a first negative electrode bus, and a first ou...  
WO/2018/231054A8
Between individual phases of a three-phase alternating current source, AC to DC converters are provided. The DC outputs of the converters are switched in parallel. The DC output may have the same effective voltage as the input, or higher...  
WO/2019/084743A1
A communication control power source. A communication control module is provided between an alternating current power supply input end and an alternating current/direct current power source output end of the communication control power s...  
WO/2019/084744A1
A method for generating a low-frequency power carrier control signal. An alternating current power supply voltage/current of a target control device is enabled to experience a specified small jump within n T periods; a jump state in each...  
WO/2019/082535A1
The present invention concerns a method for on-line monitoring a DC- bus capacitor having a diode rectifier front end, the three-phase inverter controlling the three-phase power provided to a load at each switching cycle using a space ve...  
WO/2019/076643A1
The present invention discloses an operating device (2) for electrically power at least one building technology device (10), in particular a illuminant section having at least one illuminant, wherein the operating device (2) comprises an...  
WO/2019/068874A1
A converter scheme (30) comprises a plurality of poles and a plurality of converters (32), the plurality of poles (60,62,64) including at least one positive pole (60), at least one negative pole (62) and a neutral pole (64), the pluralit...  
WO/2019/068872A1
There is provided a converter scheme (30) comprising a plurality of converters (32, 34), each converters (32, 34) configurable to change between blocked and deblocked states, each converters (32, 34) having a configurable power level, th...  
WO/2019/065472A1
A power supply apparatus includes a rectifier configured to convert AC power supplied from an AC power supply into DC power, a smoothing unit configured to smooth the DC power, an inverter configured to convert the DC power smoothed by t...  
WO/2019/067881A1
A device includes an input converter, an output converter, and a controller. The input converter is electrically coupled to an electrical meter and an energy production array. The output converter is electrically coupled to the energy pr...  
WO/2019/063303A1
The invention relates to a modular converter (1) having a connection assembly (2), a control assembly (3), a supply assembly (4), a rear wall assembly (5), and a load assembly (6). An input and an output signal (7, 8) and an input and an...  
WO/2019/064361A1
This uninterruptible power supply device is configured such that, in an inverter power supply mode and a bypass power supply mode, respective phase differences between first to third carrier wave signals (CS1-CS3) for a converter (1) and...  
WO/2019/057245A1
The invention relates to a series resonant power-converting device for electrochemical stored energy sources, comprising a series resonant unit containing a resonant inductor and a resonant capacitor arranged in series with said resonant...  
WO/2019/057931A1
An AC-AC power converter, such as a motor soft starter, includes an input connectable to an AC source with a disconnect switch, an output connectable to an AC load, and phase lines connecting the input and output to transmit power. In-li...  
WO/2019/052804A1
The invention relates to a converter assembly for intermediate circuit coupling in drive networks. The circuit assembly comprises at least a first converter and at least a second converter, wherein the converters each have an intermediat...  
WO/2019/051718A1
A frequency converter adapted to be connected to another frequency converter via a direct current bus is provided. The frequency converter comprises: a positive bus interface adapted to be interconnected with a positive bus interface of ...  
WO/2019/054142A1
Provided is a wireless power transmission apparatus that is capable of efficiently supplying power. This wireless power transmission apparatus is provided with: a transmission coil; an inverter that drives the transmission coil; a DC/DC ...  
WO/2019/048186A1
The invention relates, inter alia, to a converter assembly (10), comprising a rectifier (20), to which an external alternating voltage of a specified feed frequency (fs) can be applied, an inverter (30), and a DC link (40), which compris...  
WO/2019/049299A1
This power conversion device comprises: a rectifier that rectifies a voltage supplied from a three-phase alternating current power source; a step-down circuit that has a step-down switching element, a reactor, a reverse current preventio...  
WO/2019/043594A1
A matrix converter includes one or more current sensors structured to sense current flowing through the matrix converter, a matrix of switches including a number of solid state transistors, and a control circuit structured to detect faul...  
WO/2019/040037A1
A hybrid power generation system is presented. The hybrid power generation system includes a generator operable via a prime mover and configured to generate an alternating current (AC) power. The hybrid power generation system further in...  
WO/2019/038080A1
The invention relates to a power transmission system (21) for generating a current in a field winding (18) of a rotor (17) of an electric machine (12), wherein a secondary-side winding (23) for arrangement on the rotor (17) and a rectifi...  
WO/2019/034287A1
Drive having a synchronous motor and a converter, wherein the motor phases of the synchronous motor, that is to say in particular the three supply connections of the rotating field winding of the stator of the synchronous motor, can be s...  
WO/2019/036201A1
A single phase single stage level-1 electric vehicle (EV) battery charger can control the power flow in both directions. The converter efficiency is high as the devices undergo ZCS which reduces switching loss in the devices. This conver...  
WO/2019/035053A1
A method of controlling power applications for a power transformer in a heating ventilation and cooling system (HVAC). The method includes measuring a voltage output of a transformer, the transformer configured to supply control power to...  
WO/2019/030125A1
The invention relates to a storage-battery charging device (3) for a motor vehicle (1), which is designed to be arranged in the motor vehicle (1), comprising a first stage (11), which has a power correction filter (14), and a second stag...  
WO/2019/032183A1
An apparatus that includes first and second parallel converter branches, each parallel converter branch including an input node, N output nodes, a plurality of switches, a converter output node, and control logic. The control logic gener...  
WO/2019/024134A1
A backlight driving circuit, comprising: an input unit (210); a transformer (T) which comprises: a first primary winding (P) electrically connected to an output end of the input unit (210), a first secondary winding (S1) coupled to the f...  
WO/2019/021217A1
A power factor correction device for use in a powered system where in normal operation an output voltage exceeds an input voltage. The device comprises: at least one variable voltage stage (Fig 20) which receives an input signal from at ...  
WO/2019/020316A1
The invention relates to a method for locating a ground fault in an IT network (1) that comprises a power transmission network (5), a rotating electrical machine (7, 8) and a converter (9, 10), wherein the converter (9, 10) comprises an ...  
WO/2019/021416A1
An AC switch (1) is provided with a first thyristor (T1), a second thyristor (T2), a third thyristor (T3), and a fourth thyristor (T4). The first thyristor (T1) has an anode connected to an AC power supply (2) and a cathode connected to ...  

Matches 1 - 50 out of 7,419