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Matches 651 - 700 out of 7,466

Document Document Title
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...  
WO/2011/084227A3
A system and method for managing a 4 leg transformerless Uninterrupted Power Supply is disclosed. The system comprises a 3 leg inverter modulation signal generator that applies signals to a modulation circuit that generates a 4th leg mod...  
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/2012/099551A1
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/2012/097529A1
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/2012/093009A2
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/2012/090634A1
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/2012/090215A1
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/2012/084389A2
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/2012/084946A2
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/2012/045602A3
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/2011/131655A3
The present invention relates to an electricity generating system (40) having at least one direct-current unit (42) for providing a direct current (IDC), which is obtained using regenerative energy, and at least one inverter (48). For th...  
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/2011/154720A3
We describe a photovoltaic power generation system, the system comprising: at least two photovoltaic panels each having a dc power output; a power conditioning unit having a dc power input and an ac mains power supply output for deliveri...  
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/2012/067096A1
[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/2012/067095A1
[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/2012/067167A1
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/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/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/2012/045602A2
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/2012/041147A1
A voltage conversion device comprises a resistor (R) and a transformer primary winding connected to a voltage protection element (D) in parallel wherein the resistor and the transformer primary winding are connected in series, or compris...  
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/2012/043465A1
Link voltages are measured by enhancing the tolerance and responsiveness to switching noises. A period drt⋅T0 is longer than a period dst⋅T0. Two intervals used by a unit voltage vector (V4) in the period drt⋅T0 are used as a first...  
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...  
WO/2011/067090A3
The invention relates to a method for operating an inverter circuit wherein the inverter circuit has n input phase connections (U1, V1, W1) and p output phase connections (U2, V2, W2), wherein n ≥ 2 and p ≥ 2, (n p) comprises two-pol...  
WO/2012/034593A1
The present invention concerns a power supply arrangement (18) for a substation, where this power supply arrangement comprises a group of reactive voltage dividing elements (20, 22, 24) connected to a first AC power line (10) that transp...  
WO/2012/032196A1
The invention relates to a system that makes it possible to connect or disconnect polyphasic conversion stages (2a, 2b), including at least two back-to-back polyphasic conversion stages (2a, 2b) connected between a rotary electric machin...  
WO/2012/031787A1
The invention relates to a traction converter having a mains-side feed apparatus (2), a load-side self-commutated pulse converter (4) and an auxiliary operation converter (6), wherein this feed apparatus (2) has a multiplicity of primary...  

Matches 651 - 700 out of 7,466