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WO/2017/153096A1 |
The invention relates to an energy recovery rectifier device (16), in particular for an industrial plant (2), for connection to an AC system (8), comprising an energy recovery rectifier (24) and a buffer capacitor (46) that is connected ...
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WO/2017/155693A1 |
A wireless power transfer adapter is provided. The wireless power transfer adapter comprises a receive coil configured to receive wireless power from a wireless power transmitter at a first frequency associated with a first wireless powe...
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WO/2017/147674A1 |
The present application to a patent for an invention relates to an electronic power switch for use in particular in the electronic and electrical fields. More specifically, the switch consists of a semiconductor for switching or re-energ...
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WO/2017/144430A1 |
The present invention provides a modular multilivel converter and a power electronic transformer, the modular multilevel converter comprising: a low- frequency AC to DC conversion module, comprising three branch circuits connected in par...
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WO/2017/138821A1 |
The present invention relates to a current multiplier primarily in the field of power conversion. The invention relates to a controlled current multiplier with a resonant winding to assist with, for example, power conversion. In particul...
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WO/2017/134293A1 |
The present invention provides a power conditioning module (10) for connection between an AC power supply (16) and a load (24), comprising an AC power supply input (14) for connection to the AC power supply (16), whereby the AC power sup...
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WO/2017/127957A1 |
A transformer with output being a resonant loop. The output loop of the transformer is the resonant loop. A secondary winding (L2) of the transformer is connected in series with a capacitor (C2) and then is connected with a load (ZR), an...
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WO/2017/129766A1 |
An electrical converter system (10) comprises an electrical converter (12) for converting an input voltage into a converter output voltage (20); a transformer (14) interconnected with the electrical converter (12) at a secondary side (28...
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WO/2017/128499A1 |
A four-port power electronic transformer based on a hybrid modular multilevel converter, being constituted by a hybrid modular multilevel converter (MMC) (1), DC/DC converters (2) and an inverter (3). Each of the DC/DC converters compris...
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WO/2017/127856A1 |
The invention relates to a circuit arrangement for a frequency converter consisting of a passive, network-side EMC filter and an active part. The active part functions as a current source inverter (CSI) and consists of: a) three AC capac...
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WO/2017/127352A1 |
A system (2) for providing power to a power grid (14) includes a generator (12) configured to output a first voltage associated with a first set of power characteristics. The system (2) includes a power conversion system (16) including a...
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WO/2017/126086A1 |
A power conversion device (50) is equipped with a printed wiring board (7) that is provided with: an alternating current power supply input section (9), to which alternating current power is inputted; a converter circuit section that con...
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WO/2017/125769A1 |
The present invention solves the problem of in rush current during precharging operation in Active front end frequency converters by using controlled power switching elements (301) connected to line to line voltage and in series with DC ...
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WO/2017/125154A1 |
A filtering method and arrangement for a system comprising a regenerative frequency converter and a motor, which regenerative frequency converter has an intermediate DC circuit comprising positive and negative pole and which regenerative...
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WO/2017/117723A1 |
A driving circuit for supplying a LED-stream with at least one LED, the circuit comprises an input unit (1) configured to boost an input voltage (VIN), a converting unit (2), configured to convert the boosted input voltage (VBUS) into a ...
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WO/2017/117069A1 |
An electrical power restoration system (220) for a circuit assembly (212) having a circuit breaker (216), an electrical load (218) and a circuit conditioner (234) (e.g., a UPS) includes a circuit controller (236) that is positioned along...
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WO/2017/108905A1 |
A device (1) for managing the power supply voltage (Val) deriving from an electrical network is described; the device comprises means (4) having at the input said supply voltage of the electric network and configured to limit the peaks o...
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WO/2017/108046A1 |
A power dissipation system for a power converter of a wind turbine generator. The power dissipation system comprises at least a first dissipation module and a second dissipation module, each of the dissipation modules including a switch ...
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WO/2017/112606A1 |
A power conversion system includes one or more power conversion devices coupled to a grid connection. Each of the power conversion devices includes a power converter for converting a first multiphase current provided by the grid connecti...
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WO/2017/099628A1 |
The invention relates to the field of electrical engineering and can be used for keeping an ac voltage within set limits. An ac voltage normalizer comprises input terminals and output terminals, a transformer with a primary winding and a...
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WO/2017/094047A1 |
A power conversion device outputs an AC power having a voltage different from an input voltage and is characterized by: having at least three units to which phase voltages are respectively applied; having a plurality of cell converters i...
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WO/2017/095474A1 |
A ripple monitoring circuit may generate information indicative of a failing component in a power supply. At least one input may receive a ripple signal from the power supply that has a ripple component. A quantization circuit may repeat...
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WO/2017/090174A1 |
When a first voltage detector (4a) develops a fault, a control circuit (7) of an uninterruptable power supply device controls an inverter (3) in synchronization with the output signal (VI2D) of a second voltage detector (4b), matches the...
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WO/2017/084905A1 |
A method for estimating a fundamental component (A) of an AC voltage ( V pcc ) comprises: receiving a timely varying measurement signal of the AC voltage ( V pcc ); parametrizing a fundamental component (A) of the AC voltage ( V pcc ), t...
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WO/2017/067669A1 |
The invention relates to a system, comprising a network, in particular an electrical supply network, a filter, and one or more drives, wherein the filter is connected on one side, in particular on an input side, to the network and on the...
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WO/2017/061981A1 |
A drive system includes a current sensor configured to generate a first current signal representative of a current flowing in one or more electrical devices electrically coupled together through a power supply bus, a power output bus, an...
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WO/2017/062381A1 |
The present disclosure relates to power management apparatuses and systems utilizing synchronous common coupling. A power management apparatus may comprise a synchronous common coupling, a plurality of ports, and a plurality of electrica...
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WO/2017/062365A1 |
A reconfigurable converter includes a power circuit receives a direct current (DC) power signal and provides an alternating current (AC) output signal across at least three phases. The power circuit comprises a plurality of legs, each le...
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WO/2017/058763A1 |
A driver for a circuit with a capacitive load, is disclosed, including a power converter to receive an input voltage and generate a clean folded waveform as an output. An unfolding stage referenced to the input voltage is configured to r...
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WO/2017/056209A1 |
In this uninterruptible power supply device, a first converter (2) for generating direct-current voltage and a second converter (5) for regenerating electric power are separately provided, and bus bars (B1-B3) are used to connect direct-...
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WO/2017/050877A1 |
A power supply (12) for producing high voltage pulses (40) comprises a converter (16) for generating primary side voltage pulses, the converter (16) comprising a two-level H-bridge inverter (22), and a transformer system (26) for transfo...
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WO/2017/045282A1 |
Disclosed are a rail vehicle auxiliary converter system and a rail vehicle. The auxiliary converter system comprises a housing (100), an air supply fan (300) and an auxiliary converter. The housing is provided with an air inlet (101) and...
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WO/2017/049250A1 |
A matrix rectifier includes a bridge x defined by phases A and B and a bridge y defined by phases A and C, in which each input phases A, B, and C includes two bi-directional switches connected in series. A method of operating the matrix ...
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WO/2017/036517A1 |
The present disclosure relates to a Voltage Source Converter (VSC) control system (1) for active damping (AD) of a resonance oscillation in the VSC. The control system comprises a regular Phase-Locked Loop (PLL) (2), and a slow PLL (3). ...
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WO/2017/040295A1 |
A power system for a reactive gas generator (100) can include a direct three phase inverter (101). A resonant tank (102) can further be included to receive a square wave output of the direct three phase inverter and provide a sine wave o...
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WO/2017/033831A1 |
[Problem] To provide a bidirectional switch capable of soft switching, while having a simple circuit configuration. [Solution] This bidirectional switch circuit is characterized by being provided with: two reverse-blocking type switching...
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WO/2017/034276A1 |
A power converting device for switching control is disclosed. According to the present invention, a power converting device includes: an input side converter unit; an output side inverter unit; a sector discerning unit for discerning a p...
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WO/2017/029723A1 |
A power conversion device (1) is provided with: a power conversion unit (11) that outputs power by converting input power; a regular control unit (15) that controls the power conversion unit (11); and a protection control unit (16) that ...
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WO/2017/024418A1 |
The invention relates to a method and system for controlling a synchronous machine by means of a multi-pulse cyclo-converter actuated by means of predictive control, the method comprising: acquiring the variables of state associated with...
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WO/2017/027114A1 |
A high-voltage direct-current (HVDC) transmission system includes an alternating current (AC) electrical source and a power converter channel that includes an AC-DC converter electrically coupled to the electrical source and a DC-AC inve...
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WO/2017/024995A1 |
Provided are an AC-AC converter (20) and control method thereof. The AC-AC converter comprises: a first inductor (L1) and a first bidirectional controllable switch (B1) electrically connected to an alternating current input end, wherein ...
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WO/2017/020709A1 |
An improved multifunctional transformer. The transformer comprises a saturable reactor and a transformer which are mounted on the same closed-loop iron core (5), wherein the saturable reactor comprises direct-current coils (L23, L24) bei...
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WO/2017/019152A1 |
A solid state power transformer (300) is described for converting an input power signal at a first phase or voltage to an output signal of a second voltage or opposite phase by the use of bidirectional solid state switches (200-1, 200-2)...
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WO/2017/016249A1 |
A multifunctional transformer with a rapid response speed, comprising: a closed loop iron core (5); a transformer, which consists of primary and secondary coils (L1, L2; L3, L4) mounted on an iron core column of the closed loop iron core...
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WO/2017/009608A1 |
A power distribution system (30) having one or more phases is described. The power distribution system (30) has a power converter (46) with a plurality of semiconductor switching devices per phase, a PWM controller (52), and a current li...
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WO/2017/003567A1 |
A single-phase AC/DC electric power conversion apparatus includes an indirect matrix converter having an input interface to receive a first alternating current (AC) signal and an output interface to produce a second AC signal, where the ...
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WO/2017/003911A1 |
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for non-isolated power conversion. In one aspect, a method includes generating first and second rectified outputs using a rectifier with a...
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WO/2016/205903A1 |
These may be applied monophasically to medium-voltage three-phase electric networks and to low-voltage electric networks without coolant oil, close to consumers, operation being possible with only one motor for actuating the contacts of ...
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WO/2016/203706A1 |
A power conversion apparatus and a power conversion method are provided for heat treatment. The power conversion apparatus includes a rectifier configured to convert AC power to DC power, a smoothing filter configured to control the DC p...
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WO/2016/198377A1 |
The invention relates to an electrical circuit, comprising a first power converter unit (12; 70), at least a second power converter unit (14; 76), an intermediate circuit (16; 72), which connects the power converter units (12, 14; 70, 76...
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