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Matches 651 - 700 out of 7,537

Document Document Title
WO/2013/007783A2
The invention relates to a method for operating a first and a second electrical load in an alternating current network. The method can be operated in an optional first operating mode, in which the positive and negative half waves for eac...  
WO/2011/160642A3
In accordance with the present inventive concept, there is provided a method for controlling a converter arrangement connected to a DC link, the arrangement comprising a converter branch for a respective phase of the converter, the conve...  
WO/2013/007749A1
A wind power station comprises a wind turbine a generator and a frequency converter comprising a generator converter connected to the generator, an intermediate circuit connected to the generator converter and a grid converter connected ...  
WO/2013/006068A1
An inductively coupled power transfer receiver including a tunable circuit and a power supply circuit. The tunable circuit includes a power receiving coil in series with a first capacitance and first variable impedance connected in paral...  
WO/2013/001496A2
A wind turbine for generating and feeding electric energy to an electric power grid, the wind turbine (1) having a blade assembly (5); an electric machine (6) having a stator (10), and a rotor (11) connected to the blade assembly (5) to ...  
WO/2013/000034A1
A system for reducing power consumption in a power supply circuit including: a transformer including: a core; a first winding including a first end and a second end of a first wire wound on the core; a second winding including a first en...  
WO/2012/045666A3
A power supply converter unit is disclosed, in particular for an electrostatic precipitator, converting the frequency of alternating input supply (1) to high frequency alternating output (Ua, Ub) by rectifying the alternating input suppl...  
WO/2012/176327A1
The purpose of the present invention is to provide a power conversion device having the reduced numbers of reactors and IGBTs and being capable of obtaining variable amplitude and variable frequency power with a simple configuration and ...  
WO/2012/175295A1
Short circuit safe rectifier stage for a subsea power grid It is described a rectifier stage (251) for converting an input AC voltage to an output voltage, the rectifier stage comprising: a first AC input terminal (255); a second AC inpu...  
WO/2012/169987A1
The method of forming of alternating voltages with the preset ratio, which is used in the forming of the reference alternating voltage U0 and the adjustable alternating voltage U1, the value of which is in the preset ratio to the referen...  
WO/2012/165103A1
A power conversion device (3) that directly converts polyphase AC power to AC power. A conversion circuit has a plurality of first switching elements (311, 313, 315) and a plurality of second switching elements (312, 314, 316) that are c...  
WO/2011/134057A8
Provided are methods, circuits, and systems for obtaining power from a power generator such as a photovoltaic cell or a fuel cell. The methods, circuits, and systems comprise converting substantially DC output power from the power genera...  
WO/2012/165104A1
A power conversion device (3) that directly converts polyphase AC power to AC power. A conversion circuit has a plurality of switching elements (311, 313, 315, 312, 314, 316) that are connected to the phases (R, S, T) of the aforemention...  
WO/2012/165099A1
A power conversion device (3) that directly converts polyphase AC power to AC power. A conversion circuit has a plurality of first switching elements (311, 313, 315) and a plurality of second switching elements (312, 314, 316) that are c...  
WO/2012/165102A1
A power converter (3) that directly converts polyphase AC power to AC power is provided. A converter circuit has a plurality of first switching elements (311, 313, 315) that are connected to each phase (R, S, T) of the polyphase AC power...  
WO/2012/165100A1
A power conversion device (3) that directly converts polyphase AC power to AC power is disclosed. A conversion circuit has a plurality of first switching elements (311, 313, 315) and a plurality of second switching elements (312, 314, 31...  
WO/2012/165101A1
A power conversion device (3) that directly converts polyphase AC power to AC power is disclosed. A conversion circuit has a plurality of first switching elements (311, 313, 315) and a plurality of second switching elements (312, 314, 31...  
WO/2012/162237A1
An apparatus and system for power conversion. In one embodiment, the apparatus comprises a transformer having a primary winding and a plurality of secondary windings; and a cyclo-converter comprising a plurality of switch pairs for conve...  
WO/2012/160615A1
This AC conversion circuit converts a single-phase AC input voltage with a frequency f0 into a three-phase AC output voltage with a frequency f1, which is lower than the frequency f0. This AC conversion circuit is provided with: a switch...  
WO/2012/123365A3
Disclosed in the present invention are a power generation unit driver, a power generation unit and energy output equipment in a power grid. The power generation unit driver includes a drive controller for generating a drive signal accord...  
WO/2012/128930A3
An AC transformer having a cylindrical core configurable for single or polyphase power input and/or output transformer applications. The transformer core structure is capable of being configured to provide for single or polyphase inputs ...  
WO/2012/150962A1
Disclosed is apparatus and methodology for providing a capacitive voltage divider power supply. A plurality of full wave rectifiers each including a capacitor are coupled in series so that an applied AC source charges the capacitors in s...  
WO/2012/078537A3
A control system for regulating a bus voltage used to power an electric shovel. The system includes a controller for controlling motions of the shovel and for providing a measurement of bus voltage of a bus. The system also includes a sh...  
WO/2012/141609A1
The invention relates to electrical engineering and can be used for measuring an AC high voltage in sulfur hexafluoride unitized distribution devices (SF6-UDDs). The technical result of the invention consists in increasing the accuracy f...  
WO/2012/084946A3
There is proposed an electrical supply generator of the chopped type (300) for low‑voltage semi‑alternating loads intended to be powered by an alternating voltage, the generator comprising a full-wave rectifier block (33) linked acro...  
WO/2012/084389A3
The invention relates to a power converter comprising several output phases (U, V, W) connected to an electric load and also comprising a filtering device connected to its output phases, the filtering device comprising a common‑mode in...  
WO/2012/013329A3
The invention relates to a current converter of the forward converter type for converting a three-phase primary voltage (U1, U2, U3) into a plurality of secondary voltages (ud1... udn), having a magnetic intermediate circuit that compris...  
WO/2012/137210A2
An uninterruptible power supply device, and method of use thereof, including a multiple-input source AC converter for receiving an AC input voltage and a DC input voltage, an inverter including a combiner module for combining the input p...  
WO/2012/136043A1
A method for controlling an auxiliary source circuit of a two-wire dimmer. The auxiliary source circuit comprises: an auxiliary source capacitor (20) and a cutoff switch (30) constituting a series branch, and a chopper switch (10) parall...  
WO/2011/154196A3
The invention relates to a shaft-driven generator system having a shaft-driven generator (18). According to the invention, a voltage source inverter (42) having a network-side inductance is provided, wherein said voltage source inverter ...  
WO/2012/136042A1
An auxiliary power supply circuit of a two wire dimmer, comprising: an auxiliary source capacitor (20) and a cutoff switch (30) constituting a series branch, a chopper switch (10) parallel-connected to the series branch, and a control de...  
WO/2012/129844A1
An intelligent synthesis system for developing and testing a high-voltage frequency converter and an establishment method thereof relate to electric control and test technology fields. The system comprises a high-voltage frequency conver...  
WO/2012/093009A3
It is described an assembly for converting an assembly input AC voltage to an assembly output AC voltage, the assembly comprising: plural converters, each converter comprising a rectifier stage (129,229) for rectifying an input AC voltag...  
WO/2012/126515A1
The invention relates to an electrical installation having a matrix converter (ΜU) and to a method for operating same. The matrix converter (ΜU) comprises a plurality of input terminals (E1, E2, E3), a plurality of outlet terminals (A1...  
WO/2012/122873A1
A shore-based variable frequency power supply system in port comprises a variable frequency power supply (C), a port high-voltage substation (A) and a ship power system (H). An input terminal of the variable frequency power supply is con...  
WO/2012/122870A1
A test power supply for a transformer comprises a high voltage frequency conversion test power supply (1), a middle boosting transformer (2), and a reactive compensation device. The high voltage frequency conversion test power supply (1)...  
WO/2012/122874A1
An H-bridge cascaded multi-level voltage sag generator (VSG) based on an insulated gate bipolar transistor (IGBT). The device is an energy feedback four-quadrant converter and is capable of implementing bi-directional flow of energy. An ...  
WO/2012/123663A1
The invention relates to a generating method implemented by a generating module (20) of an electrical network (1) of an aircraft, said electrical network (1) comprising a supply line (3) supplied by said generating module (20), a continu...  
WO/2012/123984A1
An object of the present invention is to provide an electric propulsion system capable of reducing a weight and a power loss. A generator connected to an engine supplies a generator voltage to the motor directly. The system has a torque-...  
WO/2012/124510A1
[Solution] A potential difference between both ends of a snubber capacitor (30) connected between intermediate direct current bus lines (4p, 4n) of an indirect matrix converter (1) is detected at the moment of input of a three-phase alte...  
WO/2012/123365A2
Disclosed in the present invention are a power generation unit driver, a power generation unit and energy output equipment in a power grid. The power generation unit driver includes a drive controller for generating a drive signal accord...  
WO/2012/111416A1
An embodiment of a matrix converter device for wind-power electricity-generation is provided with a matrix converter and a control unit. The matrix converter is controlled by the control unit so as to fully convert electricity generated ...  
WO/2011/134990A3
The invention relates to a device for the power control of an electrical consumer that is connected to an alternating voltage supply network, comprising a circuit element (12, 14) which lies in series with the consumer and which has a co...  
WO/2009/082066A3
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/2012/107147A1
The invention relates to a system for charging at least one energy storing cell (5) in a controllable energy store (2) that is used to control and supply electric energy to an n-phase electric machine (1), wherein n ≥ 1. The controllab...  
WO/2012/107077A1
The invention proposes a power supply system (1) comprising a multiphase matrix converter (MU) and to a method for operating same, wherein the multiphase matrix converter (MU) has a plurality of input terminals (E1, E2, E3, E4), a plural...  
WO/2011/076827A3
The invention relates to an electrodynamic braking device for a universal motor, wherein a field winding is fed from a grid during a braking operation, and an armature is directly short-circuited, and a braking process is performed by me...  
WO/2012/066283A3
A voltage regulator for regulation both of AC and of DC voltages, is provided in a regulator module (30) which uses a repetitive switching signal (32) to control a switch (36) allowing current to be supplied to a reservoir capacitor (42)...  
WO/2011/018542A3
The invention relates to a method for controlling a back-to-back converter in the event of disturbances in the network limiting the capacity of the converter on the side of the network to control the voltage of the DC stage. In this case...  
WO/2012/106549A2
A magnetic power storage system comprising a center magnetic plate having at least one magnet, the center magnetic plate affixed to a base plate and between a first push arm and a second push arm, first magnetic shields affixed to the fi...  

Matches 651 - 700 out of 7,537