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Matches 251 - 300 out of 6,650

Document Document Title
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/2012/143449A3
The invention relates to a matrix inverter (MU), which is connected to a first and a second multi-phase A.C. voltage network (N1, N2). First inductive circuit elements (Su1, Sv1, Sw1) are respectively connected to the first A.C. voltage ...  
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/2012/137210A2
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/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/2012/128930A3
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/2012/126515A1
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/2012/123365A2
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/2012/123663A1
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/2012/122870A1
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/2012/123984A1
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/2012/122873A1
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/2012/124510A1
[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/2012/123365A3
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/2012/111416A1
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/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/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/2012/104232A3
The invention relates to a stepping switch for voltage control, comprising semiconductor switch elements on a variable transformer having associated regulating windings. The stepping switch has a modular design, wherein each module compr...  
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...  
WO/2012/097529A1
A fully controlled rectifier device includes a three-phase fully controlled rectifier bridge (A), a DC filter capacitor (C), a three-phase bridge inverter (B) and a central processing unit (CPU). Current transformers are provided at the ...  
WO/2012/099551A1
The present invention relates to a method of generating various alternating current waveforms, at power level. The AC mains power supply is rectified, processed by various circuits, controlled by a control unit and inverted as required a...  
WO/2012/093009A2
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/2012/094306A1
A method and apparatus for providing multi-phase power. In one embodiment, the apparatus comprises a cycloconverter controller for determining a charge ratio based on a reference waveform; and a cycloconverter, coupled to the cycloconver...  
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/2012/090215A1
An auto engine comprises a rechargeable battery system or a kind of perpetual motion device which can produce infinite electricity to the engine without taking any fuel. The auto engine also comprises an auto power plant, a space voltage...  
WO/2012/090634A1
The objective of the present invention is to provide a power conversion system for converting an alternating voltage to another alternating voltage with a small number of legs (3 or less for example). A power conversion system of the pre...  
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/2012/084946A2
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/2012/084389A2
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/2012/083649A1
A ground power supply system for bullet trains includes a main power supply, transmission cables and field sockets. The field sockets include CRH (Chinese Railway High-speed) 1 field sockets, CRH2 field sockets, CRH3 field sockets, and C...  
WO/2012/083963A1
According to a method of the present invention, a method of operating a wind turbine comprising a power generator, a generator side converter connected to the power generator, a line side converter connected to a power grid through power...  
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/2012/076015A3
According to an embodiment of the present invention, a method of operating a wind turbine including a power generator, a generator/machine side converter connected to the power generator, a grid/line side converter connected to a power g...  
WO/2012/077348A1
A direct conversion circuit (100) of the present invention is provided with three alternating current switches (104) that are respectively connected between three alternating current input terminals (101) and an output terminal (102). Ea...  
WO/2012/072168A2
The present invention describes an electrical converter system for power supplies, comprising at least two identical individual modules connected in series, characterized in that each individual module has at least four internal switchin...  
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/2012/067095A1
[Solution] Disclosed is an indirect matrix converter which has: a converter (2) connected to a three-phase alternating current power supply (11); an inverter (6) that controls an electrical actuator (21); and a pair of intermediate direc...  
WO/2012/067096A1
[Solution] In a converter (2), a first switch element (8rp) is connected to a bus bar (4p) in a laminated bus bar and an R phase of a three-phase AC power supply (9). A second switch element (8sp) is connected to said bus bar (4p) and an...  
WO/2012/067167A1
Provided is an AC-AC converter comprising an AC-DC converter that converts AC to DC and an inverter that converts DC to AC, and wherein: a first semiconductor switch series circuit, a second semiconductor switch series circuit, and a cap...  
WO/2012/055438A1
A converter station (12) in a direct current power system (10) connected between an alternating current power line (30) and a direct current power line (14) comprises a transformer (18), a converter (20) equipped with converter valves of...  
WO/2012/045602A3
The invention relates to a rectifier circuit having a rectifier unit (1), said rectifier unit (1) comprising a plurality of actuatable power semiconductor switches, the DC side thereof being connected to a capacitive energy storage circu...  
WO/2012/045666A2
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/2012/045666A3
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/2012/045602A2
The invention relates to a rectifier circuit having a rectifier unit (1), said rectifier unit (1) comprising a plurality of actuatable power semiconductor switches, the DC side thereof being connected to a capacitive energy storage circu...  
WO/2012/041544A1
A power electronic converter (10; 70) is used in high voltage direct current power transmission and reactive power compensation. The power electronic converter (10; 70) comprises at least one converter limb (12, 14; 72) including first a...  
WO/2012/041380A1
A power electronic converter (10) is used in high voltage direct current power transmission and reactive power compensation. The power electronic converter (10) comprises at least one converter limb (12, 14) including first and second te...  

Matches 251 - 300 out of 6,650