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Patent Searching and Data


Matches 401 - 450 out of 6,636

Document Document Title
WO/2010/086788A3
A Converter (1a.1c) for single-phase and three-phase Operation which comprises a three-phase rectifier to which three coils (La, Lb, Lc) are connected on the mains side is described. A first coil (La) is provided on the mains side with a...  
WO/2010/086793A1
The present invention provides a winding connection allowing provide a three-phase and/or single-phase system, from a two-phase feeding. Said connection is configured in primary windings as an inverted V and in secondary windings in a co...  
WO/2010/086788A2
A Converter (1a.1c) for single-phase and three-phase Operation which comprises a three-phase rectifier to which three coils (La, Lb, Lc) are connected on the mains side is described. A first coil (La) is provided on the mains side with a...  
WO/2010/086823A2
The invention relates to a DC/DC converter (1) comprising n two-pole inverters (2a, 2b) connected in parallel or in series, n transformers (T a, T b), and n two-pole rectifiers (3a, 3b) connected in parallel or in series. One inverter (2...  
WO/2010/082265A1
A power converting apparatus configured by connecting single-phase sub-converters (4) in series to the AC input lines of the phases of a 3-phase main converter (3). The control device (12) that controls the output of the power converter...  
WO/2010/079234A1
The present invention relates to a reconfigurable power converter module for a wind turbine facility adapted to supply electric power to an associated power supply grid. The reconfigurable power converter module comprises a frequency con...  
WO/2010/079478A1
A pulse width modulating (PWM) regulator for regulating voltage of AC power output to a load, comprises: an AC power input connection, an AC load output connection, a first PWM switch unit operative to regulate a positive path of the AC ...  
WO/2010/069892A1
The invention relates to a control method implemented in a matrix converter variable speed drive, comprising: three input phases (u, v, w) connected to an alternating voltage source and three output phases (a, b, c) connected to an elect...  
WO/2010/069891A1
The invention relates to a control method implemented in a variable speed device of the matrix converter type, comprising: three input phases (u, v, w) connected to an AC voltage source and three output phases (a, b, c) connected to an e...  
WO/2010/066842A2
This invention relates to a power supply system comprising a rectifying bridge supplying current to a power consumer, e.g. a motor, wherein the rectifying bridge including two AC power feed inputs adapted to be coupled to a power network...  
WO/2010/067104A1
A system for reducing the voltage of an AC electrical supply to a load for the purpose of energy efficiency, comprising a transformer and power converter in circuit between an AC electrical supply and a load, and a bypass switch S to cau...  
WO/2010/059927A1
An apparatus for generating a compensation signal for a power converter. The apparatus comprises a frequency-locked clock generator, a bus voltage data generator, a stack, and a compensation signal generator. The frequency-locked clock i...  
WO/2010/058028A2
The inventions relates to a system for conditioning of power from a turbine, the turbine comprising at least one turbine blade (1) connected to a rotating hub (2), the rotating hub (2) is arranged to drive a generator (5). The generator ...  
WO/2010/052188A1
The invention relates to a device (1) for feeding a consumer network (13) with electrical power from a supply network (12), wherein the device (1) comprises a frequency converter (2), one side of which can be connected to the supply netw...  
WO/2010/049231A3
In order to provide a device (1) for feeding a consumer network (13) with the electric power of a supply network (12), wherein the device (1) has a frequency converter (2) which may be connected both to the supply network (12) and to the...  
WO/2010/049231A2
In order to provide a device (1) for feeding a consumer network (13) with the electric power of a supply network (12), wherein the device (1) has a frequency converter (2) which may be connected both to the supply network (12) and to the...  
WO/2010/044455A1
Provided is an AC-AC direct power converter which can actively reduce a higher harmonic of a power source. A matrix converter main circuit (2) includes an LC filter (6) connected to an AC power source (4) and converts an AC output of the...  
WO/2010/036666A3
In one embodiment, a system may include multiple transformers each to provide an output to one or more power cells, where the power cells provide AC power to a load. Each transformer may have at least one primary winding and multiple sec...  
WO/2010/036666A2
In one embodiment, a system may include multiple transformers each to provide an output to one or more power cells, where the power cells provide AC power to a load. Each transformer may have at least one primary winding and multiple sec...  
WO/2010/033759A1
A voltage regulator is provided that includes a plurality of buck-boost transformers each having primary and secondary windings. The secondary windings of the transformers are electrically disposed in series between a source and a load. ...  
WO/2010/032761A8
Pulses in effective power caused by odd-order harmonic components in the current flowing to an inductive load are reduced is cases where AC voltage is output to the load. Voltage control factor (Ks) of an inverter (4) has a DC component ...  
WO/2010/033959A1
Certain exemplary embodiments can provide a system, machine, device, manufacture, circuit, and/or user interface adapted for, and/or a method and/or machine-readable medium comprising machine-implementable instructions for, activities th...  
WO/2010/032761A1
Pulses in effective power caused by odd-order harmonic components in the current flowing to an inductive load are reduced is cases where AC voltage is output to the load. Voltage control factor (Ks) of an inverter (4) has a DC component ...  
WO/2010/031626A1
The invention relates to a power supply arrangement for supplying electrical power to the pipeline. The power supply arrangement (100) for direct electrical heating of a pipeline system comprises basically of a three phase transformer (2...  
WO/2010/030195A1
An Inductive Power Transfer System pickup provides a controlled AC power supply by controlled variation of the phase angle between the pickup coil induced voltage (jwMI) and the tuning capacitor C voltage. The phase angle can be varied b...  
WO/2010/030957A1
A bi-directional inverter-charger including a bridge rectifier and DC-to-DC conversion components. The inverter-charger may be connected between an alternating current source, e.g., an AC line, and a direct current source, e.g., a batter...  
WO/2010/026283A1
The object of the invention is a power supply arrangement of a conveying system and a method for controlling the power supply in a conveying system. The power supply arrangement of a conveying system comprises a controller (1) of the mov...  
WO/2010/026060A1
The invention relates to a device for varying the electric power to be applied to a charge that comprises: two first ports (10, 11) for connection to an electric power source (15); two second ports (20, 21) to which the charge (18) is co...  
WO/2010/021226A1
In a direct conversion device comprising a converter and a plurality of inverters, while operating in synchronization with the converter, the substantial frequencies of the inverters are differentiated from each other, thereby improving ...  
WO/2010/019341A1
A power converter controller is operable to control power provided to a load circuit coupled between a first voltage supply terminal and a first switching element by controlling the first switching element and to control power provided t...  
WO/2010/018424A1
A method of controlling a power converter (22) to deliver an amount of active power and an amount of reactive power to a three-phase grid (A). The method comprises providing a wind-powered multi-phase generator (18) and an AC-AC converte...  
WO/2010/015461A3
The invention relates to a device (12) comprising an electric machine (16), a voltage detection device, and an analysis device. A fixed or movable part of the electric machine (16) has a field winding (F1) to which a first electric volta...  
WO/2010/015049A1
Includes a low-weight, waterproof machine which operates at the entrance of energy to triphasic motors, among other characteristics, converting monophasic energy to triphasic energy, and which permits the optimization of the energy suppl...  
WO/2010/009894A1
In order to control the power consumption of consumers connected to an alternating current network, said consumers particularly comprising gas discharge lamps, in an easy and cost-effective manner, the invention provides a circuit arrang...  
WO/2010/010711A1
To provide an electric power converter with which a single-phase AC input-multiphase AC output type direct matrix converter is configured without providing any rectification means, a waveform generation unit (102) is configured by connec...  
WO/2010/011559A1
A power supply includes a rectifier having an AC input and a DC output and a power factor correction (PFC) preregulator, coupled to the rectifier, that increases a power factor of the power supply. The PFC preregulator includes a control...  
WO/2010/010592A1
The present invention relates to an electronic AC/AC power converter apparatus for regulating power transferred to a load from a power supply having at least one phase, comprising: - at least two units for rectifying respective waveforms...  
WO/2010/001739A1
In a direct-type converter provided with a converter and two inverters, a common mode current is reduced. The output voltage of a converter (3) is applied to a pair of DC power supply lines (L1, L2). Inverters (4, 5) are connected in p...  
WO/2010/000315A1
The present invention relates to an electronic power converter system comprising a plurality of power converter modules operatively connected to a DC intermediate circuit, the electronic converter system comprising first and second power...  
WO/2009/157532A1
Provided is a power converter which is more highly efficient than conventional. A superconducting power converter comprises two half elements each having a switching means for making switching so that at least one of a plurality of supe...  
WO/2009/152840A1
The invention relates to a method for regulating at least two inverters (1), which may be regulated either as rectifier or inverter, connected to each other by a DC link (4), for energy transmission and/or distribution, wherein a measure...  
WO/2009/148555A2
A method of reducing switching losses in a power supply includes the steps of advancing the output voltage of a first pole of a power cell by a first angle, retarding the output voltage of a second pole of the power cell by a second angl...  
WO/2009/148555A3
A method of reducing switching losses in a power supply includes the steps of advancing the output voltage of a first pole of a power cell by a first angle, retarding the output voltage of a second pole of the power cell by a second angl...  
WO/2009/144122A1
The invention relates to a method for regulating the rotational speed of an electric drive (1), in particular of an electric tool, in which method a rotational angle of a rotor (2) of the electric drive (1) is defined, then the time (tis...  
WO/2009/144987A1
Provided is a matrix converter device with which the capacitor voltage of a filter provided on the input side approximates a sinusoidal wave and with which the peak value is also reduced, in which an input filter using a capacitor with a...  
WO/2009/139078A1
In a power generator voltage stabilizing system for compensating for a reactance voltage drop inside a three-phase synchronous generator (1) connected to an alternating-current load (3), a magnetic energy recovery switch (2) provided wit...  
WO/2009/138152A1
The system comprises: AC/AC static disconnecting switch means (16) connectable between an AC current supply network mains (12) and a load (10) and controllable to connect or isolate the load from the mains; voltage-stabilizing means (20,...  
WO/2009/139505A1
Provided is an AC voltage control device inserted between an AC power source and an induction load so as to adjust a load voltage of the induction load by a magnetic energy regenerative switch. The device reduces the voltage load on an ...  
WO/2009/139080A1
In a power generator output stabilizing system performing the shake control of a power system and a three-phase synchronous generator, a magnetic energy recovery switch provided with a bridge circuit comprising four reverse conductive ty...  
WO/2009/139077A1
An alternating voltage control unit is provided with a magnetic energy recovery switch (1) comprising a bridge circuit comprising four reverse conductive type semiconductor switches (S1, S2, S3, S4) and a capacitor (2) that is connected ...  

Matches 401 - 450 out of 6,636