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Matches 401 - 450 out of 6,647

Document Document Title
WO/2010/115725A1
The invention relates to a system for controlling an alternating electric charge, comprising a variable speed drive (10) which includes a rectifier module (11) provided with a plurality of power supply terminals (L1, L2, L3) and supplyin...  
WO/2010/106430A1
A power source for an electric arc welder comprising: inverter means (110) having a primary circuit (220, 230) and a secondary circuit (240), where said primary circuit (220, 230) has four switches (222, 223, 232, 233) and is capable of ...  
WO/2010/099787A3
An electrodynamic braking device for a universal motor is proposed, wherein during a braking operation a field winding is supplied from a network, and an armature is directly short-circuited, and a braking operation is carried out using ...  
WO/2010/097407A1
The present invention relates to a light source comprising a piezoelectric transformer and one or more semiconductor-based devices that exhibit electroluminescence electrically connected thereto. The piezoelectric transformer is configur...  
WO/2010/099459A3
A hybrid distribution transformer is provided that includes an electromagnetic transformer and a voltage source converter that is operable to reduce fluctuation in the output voltage of the hybrid distribution transformer in the event of...  
WO/2010/094547A1
The invention relates to a method for charging at least one intermediate circuit capacitor (4) arranged in an intermediate circuit (2) mounted between a constant voltage source (1) and a power supply. According to the invention, the inte...  
WO/2010/092113A1
This invention relates to a power supply system comprising at least two drive units (3) having two power inputs and at least one power generator (G) providing electric power at a chosen system frequency and voltage. The system comprising...  
WO/2010/088979A1
The invention relates to a method for regulating a self-commutated mains power converter (2) of an intermediate voltage circuit converter (24), wherein in each mains phase (R,S,T) a throttle is connected upstream of said mains power conv...  
WO/2010/091260A3
A hybrid transformer is provided that includes an electromagnetic transformer and an AC-AC converter with a DC bridge. The AC-AC converter is operable to keep the input voltage and current of the hybrid transformer substantially in phase...  
WO/2010/089186A2
The invention relates to a control circuit (1) for a three-phase asynchronous motor (2), wherein each of three net phases (L1, L2, L3) is connected to at least one of three stator windings (3.1, 3.2, 3.3) of the three-phase asynchronous ...  
WO/2010/089186A3
The invention relates to a control circuit (1) for a three-phase asynchronous motor (2), wherein each of three net phases (L1, L2, L3) is connected to at least one of three stator windings (3.1, 3.2, 3.3) of the three-phase asynchronous ...  
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...  

Matches 401 - 450 out of 6,647