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Matches 401 - 450 out of 6,586

Document Document Title
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 ...  
WO/2009/134871A1
A cat-ear power supply is operable to generate a DC voltage and draws current from an AC power source near the beginning and end of a half-cycle of the AC power source. A controllably conductive switching circuit selectively charges an e...  
WO/2009/131429A1
The invention refers to the electrical engineering, particularly to the power medium- or high-voltage transformers. It is proposed to make transformer as series and/or parallel connected modules, consisting of low-power electronic transf...  
WO/2009/125047A1
The invention relates to a power supply apparatus (1) and also to a power supply arrangement. The power supply apparatus comprises an interface to the load (2). The power supply apparatus also comprises at least one controllable solid-st...  
WO/2009/121724A1
The matrix converter for converting a single or multi-phase input voltage with a variable or fixed frequency and a variable or fixed amplitude into a single or multi-phase output voltage with a variable frequency and/or amplitude is prov...  
WO/2009/118299A3
The invention relates to a circuit arrangement (10) for operating a universal motor (11) which is designed to drive a drum of a domestic device for treating items of laundry, said universal motor (11) comprising a stator with at least on...  
WO/2009/119602A1
Provided is a power supply device capable of applying N-phase N-wire type power supply to the load corresponding to N-phase (N + 1) wire type power supply and dealing with different voltages. Output lines of power supply (E1) are connect...  
WO/2009/115018A1
An electric energy feedback device includes: an alternating current input power supply, which is three-phase or multiphase alternating current, or three-phase or multiphase alternating current whose output terminals are connected in seri...  
WO/2009/109957A1
A circuit that receives a sinusoidal input voltage and produces an AC voltage having a variable value, including: an input for connection of a the sinusoidal input voltage (11); an output for connection to a load (31); and a switching ci...  
WO/2009/109453A1
The invention relates to a device for connecting at least one single-phase power supply line (4, 14, 15) that feeds the overhead line of a railroad track in particular to a three-phase power supply network (1). In the process, at least o...  
WO/2009/106673A1
The invention relates to a frequency converter (1), which is fitted to supply power between a polyphase alternating electricity source (2) and an electric machine (3). The frequency converter comprises a network rectifier (4) connected t...  
WO/2009/105437A2
Existing measurements of an input component (such as voltage or current) in a three phase power supply system are decomposed into a negative sequence component. The negative sequence component, which is significantly higher when a rectif...  
WO/2009/103505A3
The invention relates to a method for controlling a converter of a wind energy plant, said converter being connected to the rotor of a double-energized asynchronous generator for supplying electric energy to an electric power grid, where...  
WO/2009/103504A3
The invention relates to a method for controlling a converter (7) of a wind energy plant, the converter being connected to the rotor of a double-energized asynchronous generator (4) for supplying electric energy to a power grid (10), whe...  
WO/2009/105437A3
Existing measurements of an input component (such as voltage or current) in a three phase power supply system are decomposed into a negative sequence component. The negative sequence component, which is significantly higher when a rectif...  
WO/2009/103505A2
The invention relates to a method for controlling a converter of a wind energy plant, said converter being connected to the rotor of a double-energized asynchronous generator for supplying electric energy to an electric power grid, where...  
WO/2009/098201A1
The invention relates to a converter with a network-side and a load-side power converter (2, 4) that are connected together on the DC side in an electrically conductive manner, wherein an upper and a lower valve branch (T1, T3, T5; T2, T...  
WO/2009/096158A1
An inverter circuit (120) is constituted such that synchronous rectification is performed by six switching elements (130). Said switching elements (130) are constituted by unipolar elements (in this case, SiC MOSFETs) using a wide bandga...  
WO/2009/095528A1
The invention relates to a transport system and also to a method for supplying power in a transport system. The transport system comprises an electric motor (1) and also the power supply circuit (2) of the transport system connected to t...  
WO/2009/092234A1
An AC plasma ejection gun and its power supply method and a pulverized coal burner are provided. The ejection gun includes a power supply device, a front electrode and a rear electrode which are electrically conductive. The power supply ...  
WO/2009/087176A1
The invention relates to a power supply device (2) for an arc furnace (1) powered by an alternating current, and for controlling the active and reactive powers at said arc furnace. The supply device is provided on the side of a high-volt...  
WO/2009/082068A2
The present invention relates to a method of controlling a three-phase motor of an air conditioner by using an inverter including a total of three pairs of upper and lower arm switching elements connected in parallel, wherein the motor i...  
WO/2009/082066A2
The present invention relates to a motor controller of an air conditioner, including a converter for converting a commercial AC power into a DC power, an inverter including a plurality of switching elements, the inverter receiving the DC...  
WO/2009/082065A2
The present invention relates to a motor controller for air conditioner including a converter converting AC utility power into DC power; an inverter for compressor having a plurality of switching elements for inverter, the inverter conve...  

Matches 401 - 450 out of 6,586