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Matches 1 - 50 out of 7,385

Document Document Title
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 ...  
WO/2019/015624A1
An apparatus includes a first switch and a first capacitor connected in series between a first voltage bus and a second voltage bus, a second capacitor and a second switch connected in series between the first voltage bus and the second ...  
WO/2019/015777A1
The invention relates to an arrangement (1) comprising an asynchronous machine (5), which, in generator operation, is configured to feed electric power into an AC network (4). According to the invention, the asynchronous machine can be d...  
WO/2019/015257A1
A frequency converter control circuit (10), a frequency converter and a microwave oven. The control circuit (10) comprises a rectifier circuit (11) and an inverter circuit (12), the inverter circuit (12) being connected to the rectifier ...  
WO/2019/015812A1
The invention relates to control electronics for refrigeration systems having refrigeration components (K1,..., Kn) comprising a central electronic control module (10) having a rectifier (11) and an intermediate circuit capacitor (12) an...  
WO/2019/014682A1
A power supply system comprises a primary regulation system, a secondary regulation system, and a controller. The primary regulation system comprises a primary transformer and a primary tap switch array. The secondary regulation system c...  
WO/2019/012462A1
A method of determining one or more direct voltage reduction (DVR) factors at a point of load (POL) in a power grid voltage environment. An energy processing unit (EPU) is installed at each individual POL; each EPU includes at least one ...  
WO/2019/011444A1
The invention provides an inverter system and a method of using said inverter system. A rectifier stage of the inverter system is used to charge a DC link stage to a first voltage level and a control module determines whet her voltages o...  
WO/2019/007778A1
The invention relates to an arrangement for equalizing voltage drops in a power supply mains having a first mains supply and a second mains supply, wherein the arrangement comprises at least one first converter system and one second conv...  
WO/2019/002709A1
The voltage converter (104) includes first and second busbars (106, 108), at least one power module (110) including at least one pair of first and second controllable switches (112, 14). One capacitor is provided for each power module (1...  
WO/2019/002030A1
The present disclosure relates to a Direct Electrical Heating, DEH, power system (1-1) for delivering power to at least one DEH load, wherein the DEH power system (1-1) comprises: a multi-winding input transformer (3), a rectifier (5) co...  
WO/2018/234330A1
The invention relates to the on-board electric power network architecture of a vehicle cabin using domestic devices, in particular of an aircraft cabin, comprising primary networks (11, 12) connected in parallel to a single domestic netw...  
WO/2018/235257A1
First to third phase converters (2R, 2S, 2T) convert first to third phase AC voltages to DC voltages, respectively. First to third DC positive bus lines (PL1, PL2, PL3) and first to third DC negative bus lines (NL1, NL2, NL3) are electri...  
WO/2018/233819A1
The present disclosure relates to a method of controlling a three-to-single phase power converter 1 connected to a three-phase AC grid 5a and a single-phase AC grid 5b. The method comprises measuring a DC-link voltage uDC,meas of the con...  
WO/2018/233822A1
The present disclosure relates to a method of an estimator (20) of an inner control loop (21) controlling a three-to-single-phase converter (1) connected to an AC power grid (3) via a transformer (2). The method comprises obtaining a val...  
WO/2018/234954A1
A power supply, including a primary pre-converter, coupled to supplying mains, configured to receive an AC voltage at low frequency and output a high DC voltage, and further configured to receive the high DC voltage and to output the alt...  
WO/2018/231054A1
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/2018/229915A1
A power conversion device capable of being configured to be small in size and inexpensive is obtained in such a way that: a plurality of converter cells (20-1 to 20-N) are provided, which are each equipped with a pair of primary side ter...  
WO/2018/225410A1
The present invention is provided with: a plurality of power conversion cells 101; and a control device 300 for controlling the power conversion cells. The power conversion cells each have: a transformer 131; a primary converter 111 and ...  
WO/2018/224596A1
The invention relates to a method for operating a wind turbine (100) or a wind farm (112) comprising a plurality of wind turbines (100) for exchanging electric power between the wind farm and an electrical supply network, each wind turbi...  
WO/2018/224815A1
The invention provides a power converter for converting a three-phase alternating current (AC) supply to a direct current (DC) output, the power converter comprising: a first selector configured to select one of the highest, the second h...  
WO/2018/220592A1
An apparatus is provided for bypassing a load current going through an AC- AC series voltage regulator under overcurrent condition, comprising: an AC-AC invertor; an AC semiconductor bypass switch; and a bypass control. The AC-AC inverto...  

Matches 1 - 50 out of 7,385