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Matches 301 - 350 out of 7,396

Document Document Title
WO/2016/024223A1
The present application presents a solution that intends to solve the problem of providing a single-stage bidirectional power conversion system (PCS) with a controllable power factor and the capability to regulate the current in the DC s...  
WO/2016/020285A3
An AC-to-AC converter having a half-bridge circuit with first and second arms, each arm having a pair of switches, the converter having a control system comprising a zero-crossing detector arranged to determine when an input AC voltage a...  
WO/2016/020285A2
An AC-to-AC converter having a half-bridge circuit with first and second arms, each arm having a pair of switches, the converter having a control system comprising a zero-crossing detector arranged to determine when an input AC voltage a...  
WO/2016/018707A1
In certain embodiments, a power converter has an input side connected to receive AC input power at an input node and an output side connected to produce a regulated output power at an output node. The power converter has a transformer ha...  
WO/2016/016987A1
Provided is a control device for a regenerative converter device, capable of improving accuracy in identifying a set value of the inductance of a reactor provided in the regenerative converter device. For this purpose, the control device...  
WO/2016/015825A3
Disclosed are a display element of a converter, a method for operating a converter, and a converter. The converter includes an address encoding switch, in particular on the housing thereof; when the address encoding switch is actuated, a...  
WO/2016/008612A1
A capacitor bank (1) comprises: a plurality of capacitors (10), a plurality of resistors (20), each of the capacitors (10) being in series with at least one of the resistors (20), a plurality of diodes (30), each of the diodes being in p...  
WO/2016/005101A1
The invention relates to a converter (1) for an aeroplane, comprising an intermediate circuit (3) for providing a DC voltage (18) between a positive line (15) and a negative line (16), at least two rectifiers (7) connected to the interme...  
WO/2016/005092A1
The invention relates to a converter (1) comprising an intermediate circuit (3) for providing a DC voltage (10) between a positive conductor (11) and a negative conductor (12), a phase conductor (8, 9) for receiving and/or output of an A...  
WO/2016/002030A1
In the present invention, a power conversion device comprises: a power converter (15) that, on the basis of power supplied from a power system, supplies power to a second object, the voltage and/or frequency of such power being converted...  
WO/2015/198749A1
An engine system of the present invention has a transformer (2) provided with auxiliary machinery output terminals (29a, 29b) at a primary side (21) and power supply voltage connection terminals (26, 27, 28) and is characterized by being...  
WO/2015/197243A1
A subsea power distribution system is provided. The subsea power distribution system has a power input for receiving electrical power at a first voltage level and an input transformer coupled to the power input and adapted to transform r...  
WO/2015/196838A1
A control method and device for a three-phase UPS, and a three-phase uninterruptible power supply, which are used for solving the problem that after a neutral wire is lost, when a current control method is applied to a three-phase UPS us...  
WO/2015/200176A1
Power delivery systems and methods described herein conductively couple several input lines with a cable that conducts a multi-phase electric current. The input lines separately conduct different phases of the electric current. Output li...  
WO/2015/194012A1
[Problem] To increase the capacity of a matrix converter. [Solution] Matrix converter (1) has: a plurality of first bidirectional switches (Q1) each connected to each input phase of an AC power supply (2) and each output phase of a load ...  
WO/2015/192666A1
An inverter power system (10), comprising an inverter circuit (100) and a feedback circuit (200); the inverter circuit (100) is used to convert a first alternating voltage into a second alternating voltage, and convert a first alternatin...  
WO/2015/189879A1
Provided are: a stabilized power source device that can be easily installed without having to carry out an investigation with regard to the securing of an installation space or to the laying of wiring; and a power distribution system tha...  
WO/2015/185566A1
A converter (12) comprises a first inverter (18) for converting a first multi-phase AC voltage (30) into a DC voltage and a second inverter (20) for converting the DC voltage into a second multi-phase AC voltage (32). A method for contro...  
WO/2015/184804A1
An energy saving alternate current (AC) series voltage regulator comprises an AC high frequency (HF) series voltage buck power regulator, a bypass contactor (K1), a bidirectional AC semiconductor device (S1) connected in parallel with th...  
WO/2015/185319A1
The invention relates to a conversion system able to reversibly convert an AC voltage at high frequency and/or at variable frequency (3) either into an AC voltage at a predetermined frequency (5) or into a DC voltage (9). The conversion ...  
WO/2015/187127A1
The present invention provides power factor controller systems, methods of use and apparatuses that relate generally to Power Efficiency and more specifically to Adaptive Power Factor Control to automatically correct power factor to near...  
WO/2015/180152A1
Provided is a multi-machine frequency converter, which may comprise: a master control unit, and N1 execution units coupled in series by means of a communications port, said N1 execution unit sharing a common DC bus; the first communicati...  
WO/2015/184113A1
A system and method for controlling switching in an AC-AC converter is disclosed. A controller for the AC-AC converter determines a direction of current flow on supply lines that provide AC power to the AC-AC converter and determines a s...  
WO/2015/183606A1
A driver circuit for delivering a generally constant voltage to a load is disclosed. The driver circuit includes a source of incoming AC power, a rectifier, and a constant voltage driver. The rectifier is connected to the source of incom...  
WO/2015/176899A1
A non-linear load (2) is supplied with electric power by means of a power supply device (1). The non-linear load (2) is in the form of an arc furnace (25) having an upstream furnace transformer (26). The power supply device (1) has a plu...  
WO/2015/165876A1
A wind farm side voltage source converter (32; 94) comprises a DC terminal (40) for connection to a DC transmission link (38), an AC terminal (42) for connection to a wind farm (44) that includes at least one wind turbine (46), and a mai...  
WO/2015/165716A1
An electrical converter (10) comprises at least two converter units (16), each converter unit (16) comprising a neutral point clamped half-bridge (32, 34) with a neutral point (30), an AC output (38, 40), a positive DC output (26) and a ...  
WO/2015/165574A1
The subject of the invention is a method for monitoring DC link capacitance in power converters which is useful in condition monitoring of electronic equipment. The inventive method comprises the following steps: measuring current of the...  
WO/2015/167568A1
According to one aspect, embodiments of the invention provide a power supply system comprising a power factor correction circuit coupled to an input and configured to draw input current from the input, an inverter coupled to an output an...  
WO/2015/165574A4
The subject of the invention is a method for monitoring DC link capacitance in power converters which is useful in condition monitoring of electronic equipment. The inventive method comprises the following steps: measuring current of the...  
WO/2015/162675A1
This embodiment of an electricity generation system is provided with an electricity generation device (1) and a power conversion device (2) connected to the electricity generation device (1). The power conversion device (2) is provided w...  
WO/2015/158134A1
A frequency inverter control method, device and system, the method comprising: detecting a three-phase voltage (Vout-abc) and a three-phase current (Iabc) outputted by the inverter side of a frequency inverter; acquiring the present powe...  
WO/2015/144179A1
A high voltage power supply comprises a three-phase high voltage transformer (3) and a three-phase high voltage bridge rectifier (4). A primary side of the transformer (3) has three input terminals connectable to the phases (A, B, C) of ...  
WO/2015/143883A1
A highly-efficient UPS system. The UPS system comprises a rectification module (20) and an inversion module (10), wherein the input end of the rectification module (20) is connected to the L end of an AC power supply, the input end of th...  
WO/2015/145307A1
A frequency converter (1) with an intermediate circuit (13) for driving a motor (M) comprises a rectifier (11), an inverter (12) and a direct-current intermediate circuit (13) between these, which direct-current intermediate circuit (13)...  
WO/2015/141680A1
This power converter is provided with: three clusters (CLu, CLv, CLw) in which unit cells are cascade connected; and power supplies of the same kind which are respectively connected to one end of each of the three clusters. Terminals of ...  
WO/2015/128477A1
A frequency converter (1) is used to produce at least one frequency converter output voltage (S1, S2, S3) for an electric motor (2), wherein the at least one frequency converter output voltage (S1, S2, S3) has a prescribable frequency co...  
WO/2015/128455A3
A three-phase to three-phase AC converter(34) comprises three primary side phase legs (20a, 20b, 20c), three secondary side phase legs (24a, 24b, 24c) and at least nine single-phase AC-to-AC converter cells (26), each converter cell (26)...  
WO/2015/127843A1
A UPS circuit, comprising a low frequency transformer (TX) and a battery (B), the low frequency transformer (TX) comprising a primary side winding, and a secondary side winding connected to the battery (B); the primary side winding is co...  
WO/2015/124461A1
The present invention provides systems and methods for reducing harmonics, for example when using an AC to AC converter to drive a load such as a motor drive. In a first embodiment, a plurality of AC/DC converter stages are connected in ...  
WO/2015/118990A1
A power conversion circuit (2) has as the input thereto a multi-phase AC power source, and includes a plurality of bidirectional switches which are connected to each phase of the multi-phase AC power source. A switching control circuit (...  
WO/2015/119708A1
A step-down AC/AC converter for use in an electric distribution system includes at least one chopper circuit for each one of a plurality of phases of the AC power, each chopper circuit including a four-quadrant switch coupled in series b...  
WO/2015/116931A1
An AC-to-AC matrix converter includes a controlled rectifier input stage, an inverter output stage, and a regenerative unit. The controlled rectifier input stage is electrically connected to a power source and configured to convert AC in...  
WO/2015/113304A1
In a motor drive circuit, a DC bus module (20) has a positive rail (22), a negative rail (24), a first capacitor unit (26), and a second capacitor unit (28). The first capacitor unit (26) includes a first capacitor (CI) for charging the ...  
WO/2015/111019A1
The present disclosure relates to method for use with a system having first and second uninterruptible power supplies (UPS 1 and UPS 2), and where the two UPSs are connected across a DC+ and a DC- terminal of a common battery, and where ...  
WO/2015/108497A1
The invention relates to the field of electrical technology and can be used in devices for powering equipment having various purposes and requiring a high quality of supply voltage. The regenerator includes a transformer having 5-7 secon...  
WO/2015/105812A9
A device comprises a switch network coupled to a power source, wherein the switch network comprises a plurality of power switches, a transmitter resonant tank coupled to the plurality of power switches, wherein the transmitter resonant t...  
WO/2015/105812A3
A device comprises a switch network coupled to a power source, wherein the switch network comprises a plurality of power switches, a transmitter resonant tank coupled to the plurality of power switches, wherein the transmitter resonant t...  
WO/2015/104405A1
The invention relates to a frequency converter for generating a network alternating voltage, which has a predetermined main frequency component, comprising at least one converter module for converting a uniform voltage into an intermedia...  
WO/2015/104886A1
A controller (90) generates a PWM signal (Dr, Ds, Dt) by pulse width modulation of a carrier signal (Eo) with a sinusoidal signal (Er, Es, Et), and drives switching elements (31-36) of a converter (2) on and off by means of the generated...  

Matches 301 - 350 out of 7,396