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Matches 1 - 50 out of 7,505

Document Document Title
WO/2020/038603A1
An apparatus for a load tap changer includes a first primary winding electrically connected to a first contact, the first contact configured to connect to one of a plurality of taps in a load tap changer; a second contact, the second con...  
WO/2020/026430A1
In this uninterruptible power supply device (U1), a switch (1) is turned off during a power failure of a commercial AC power supply (41) to electrically isolate the commercial AC power supply (41) and an AC input filter (2) from each oth...  
WO/2020/021655A1
A power converter according to an embodiment is provided with first to fourth switching modules, first and second clamp diodes, and first and second buses. The first bus has a first main portion and a first standing portion provided in t...  
WO/2020/023471A1
A soft-switching solid-state power transformer, including: a high-frequency (HF) transformer comprising first and second winding connections; a first auxiliary resonant circuit coupled to the first winding connection, the first auxiliary...  
WO/2020/020719A1
Inverter-based apparatus (1) configured to control an electric motor (2), the inverter-based apparatus comprising: an input stage (4) configured to convert an alternating voltage AC to a rectified DC voltage; an electrolytic-capacitor-le...  
WO/2020/021005A1
Laundry treating machine (100) comprising: a casing (103), a laundry drum (104) mounted inside the casing (103) to rotate about a rotation axis, an electric motor (2) designed to rotate the laundry drum (104), an inverter-based apparatus...  
WO/2020/010501A1
The present invention provides a traction current transformer, and a traction drive system for a multiple unit train. The traction current transformer of the present invention comprises: a 4QC, a bidirectional DC/DC converter and a tract...  
WO/2020/011675A1
The invention relates to a method for controlling a feed arrangement (300) for feeding electric power into an electric supply network, wherein a first AC voltage is rectified to a DC voltage (UDC) by a rectifier device (306) and provided...  
WO/2020/000129A1
Embodiments of the present disclosure relate to a protection device for a switchgear assembly, a switchgear assembly, and a switchgear. The protection device comprises a rear plate; a front plate arranged opposite to the rear plate and a...  
WO/2019/214758A4
The invention relates to a capacitive transformer made up of one or more capacitors inside one another in order to harness the energy generated by the electrical field of the external capacitor in the reduction of voltage and the variati...  
WO/2019/244228A1
The present invention is provided with: a rectifying circuit (12), to the input side of which an alternating current power supply (21) is connected, and which converts an alternating current voltage from the alternating current power sup...  
WO/2019/242848A1
The invention relates to a device (2) and to a method for direct-current supply, which device can be connected to an power grid (4) with a polyphase AC voltage (U1ac) with a first frequency (N1), having a multistage current converter (MM...  
WO/2019/238860A1
The present invention relates to an energy storage device, comprising; - power terminals for connecting to a voltage circuit of power electronics of a drive system, which drive system can be controlled by an external system controller; -...  
WO/2019/238443A1
A voltage source converter configured to generate at least two pulse trains using at least three voltage levels comprises a first arm (ua) between a junction (j) and a first DC terminal (DC1) having a first voltage level (Vdc/2), a secon...  
WO/2019/233629A1
The invention relates to a charging appliance for energy exchange between a power supply system on a charging station and a battery of an electric vehicle, the charging appliance comprising a power supply system connection (312) and a ba...  
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/2019/227183A1
The present application for a patent of invention relates to a device of which the purpose is to automate the infrastructure of buildings by means of the IoT and to the respective process for installing the device, which applies in parti...  
WO/2019/214758A1
The invention relates to a capacitive transformer made up of one or more capacitors inside one another in order to harness the energy generated by the electrical field of the external capacitor in the reduction of voltage and the variati...  
WO/2019/216587A1
The present invention relates to a freshness preserving apparatus which discharges a low frequency wave in order to generate a low frequency electric field, the apparatus comprising a high voltage low frequency circuit (500) which compri...  
WO/2019/212257A1
The present invention may comprise: a direct current-to-alternating current conversion unit having at least two multi-level converters each converting input direct-current power into alternating-current power; a Scott transformer which o...  
WO/2019/211286A1
The present disclosure relates to a resonant type power factor correction AC-DC converter comprising: an AC side circuit having a first AC connection (aca+) and a second AC connection (aca-) defining an AC side input port, wherein the fi...  
WO/2019/211284A1
The present disclosure relates to a switched mode bidirectional AC-DC converter comprising: an AC side circuit comprising at least two AC power switch pairs comprising a diode and an active switch arranged in parallel; a DC side circuit;...  
WO/2019/205251A1
An electronic transformer (100) and a microwave cooking appliance (200). The electronic transformer (100) comprises a rectifier module (10), a transformer (20), a switch module (30), and a control module (40). The rectifier module (10) i...  
WO/2019/202202A1
of the disclosure:A power converter for a bioelectrochemical system comprises first converters (102-104) each comprising a direct current terminal (105) for supplying electric current via electrodes of the bioelectrochemical system, and ...  
WO/2019/199169A1
The invention relates to a method for splitting power. The method comprises a step of receiving a sinusoidal power signal. The method also comprises a step of providing a multiple number of M output lines, and a step of consecutively swi...  
WO/2019/195503A1
Systems and methods for operating a power system having a doubly fed induction generator are provided. In example implementations, an electrical power system (100) connected to a power grid (190) can include a generator (120) comprising ...  
WO/2019/194793A1
Systems and methods for deactivating an Electronic Article Surveillance ("EAS") tag. The methods comprising: using an AC drive signal to charge an energy storage component of the tag deactivator; selectively actuating a switch so that a ...  
WO/2019/186796A1
Provided are an update plan creation assistance device, an update plan creation assistance system, and an update plan creation assistance method which consider a redundant configuration of equipment and can appropriately evaluate the deg...  
WO/2019/184213A1
The present invention provides a modular converter and a control method therefor, and a wind turbine. The modular converter comprises: multiple converter modules and multiple on-off switch modules. The multiple converter modules are conn...  
WO/2019/188876A1
Provided are: a power conversion system that can improve the precision of output control of a voltage conversion unit; and a control method for a voltage conversion circuit. A power conversion system (1) converts an input alternating-cur...  
WO/2019/187821A1
A matrix converter control device comprises a plurality of delay circuits that correspond to the change timing of the logic of a plurality of input PWM signals for turning on and off a plurality of switching elements of a matrix converte...  
WO/2019/182470A1
A static electric generator relates to devices for generating electrical energy without movable mechanical parts and can be used as a power source for electronic devices. The generator consists of two permanent magnets (1) which are inte...  
WO/2019/179621A1
The present disclosure relates to a compensator for an AC-AC power converter and an AC-AC power converter. The AC-AC power converter comprises a DC-link coupling an input rectifier module to an inverter. The compensator may include a fil...  
WO/2019/170291A1
The invention relates to a method for operating a drive system, wherein the drive system has a rectifier, a stored energy source connected to the direct-voltage-side connection of the rectifier via a DC/DC converter, and a motor that can...  
WO/2019/171568A1
This power conversion device (10) is provided with: a transformer (20); a plurality of converter cells (30); a control circuit (400) which controls the switching on/off of semiconductor switching elements in the converter cells. The tran...  
WO/2019/166151A1
The invention relates to a method for controlling a battery current of a traction battery of a traction system. A rectifier unit of the traction system converts a network voltage into a controllable intermediate circuit voltage of a seco...  
WO/2019/166096A1
The invention relates to a converter arrangement (1) for converting an alternating input voltage having an input frequency into an alternating output voltage having an output frequency. The converter arrangement (1) comprises a direct co...  
WO/2019/169279A1
Unique systems, methods, techniques and apparatuses of power amplifiers are disclosed. One exemplary embodiment is a power system for an active magnetic bearing including at least one power amplifier. Each power amplifier includes a firs...  
WO/2019/162608A1
The invention proposes an on-board conversion system for converting power for a movable transport vehicle (10), of the type: - suitable for being in contact with a fixed linear contact (14) - comprising a first electrical connection circ...  
WO/2019/163185A1
Provided is a power conversion device that, with respect to an object being subjected to active power control, suppresses voltage ripples of a capacitor of a power converter. The power conversion device is provided with: a plurality of p...  
WO/2019/159632A1
According to the present invention, the phase of an electric current relative to a three-phase alternating-current voltage can be advanced, and the power factor of three-phase alternating-current power can be improved. An inverter electr...  
WO/2019/159263A1
A power conversion system 20 comprising: a power conversion unit 30 having a matrix converter circuit 111 for AC–AC conversion and an inverter circuit 214 for DC–AC conversion and converting power in both directions between a primary...  
WO/2019/159467A1
According to the present invention, a power conversion apparatus is achieved which can suppress a pulsation component changing at a primary-side or secondary-side frequency, and can be configured in a small size and at low cost. In this ...  
WO/2019/159264A1
A power conversion system 20 comprising: a power conversion unit 30 having a matrix converter circuit 111 and converting power in both directions between primary-side AC power and secondary-side AC power, using the matrix converter circu...  
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...  

Matches 1 - 50 out of 7,505