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Patent Searching and Data


Matches 251 - 300 out of 7,488

Document Document Title
WO/2017/049250A1
A matrix rectifier includes a bridge x defined by phases A and B and a bridge y defined by phases A and C, in which each input phases A, B, and C includes two bi-directional switches connected in series. A method of operating the matrix ...  
WO/2017/036517A1
The present disclosure relates to a Voltage Source Converter (VSC) control system (1) for active damping (AD) of a resonance oscillation in the VSC. The control system comprises a regular Phase-Locked Loop (PLL) (2), and a slow PLL (3). ...  
WO/2017/040295A1
A power system for a reactive gas generator (100) can include a direct three phase inverter (101). A resonant tank (102) can further be included to receive a square wave output of the direct three phase inverter and provide a sine wave o...  
WO/2017/033831A1
[Problem] To provide a bidirectional switch capable of soft switching, while having a simple circuit configuration. [Solution] This bidirectional switch circuit is characterized by being provided with: two reverse-blocking type switching...  
WO/2017/034276A1
A power converting device for switching control is disclosed. According to the present invention, a power converting device includes: an input side converter unit; an output side inverter unit; a sector discerning unit for discerning a p...  
WO/2017/029723A1
A power conversion device (1) is provided with: a power conversion unit (11) that outputs power by converting input power; a regular control unit (15) that controls the power conversion unit (11); and a protection control unit (16) that ...  
WO/2017/024418A1
The invention relates to a method and system for controlling a synchronous machine by means of a multi-pulse cyclo-converter actuated by means of predictive control, the method comprising: acquiring the variables of state associated with...  
WO/2017/027114A1
A high-voltage direct-current (HVDC) transmission system includes an alternating current (AC) electrical source and a power converter channel that includes an AC-DC converter electrically coupled to the electrical source and a DC-AC inve...  
WO/2017/024995A1
Provided are an AC-AC converter (20) and control method thereof. The AC-AC converter comprises: a first inductor (L1) and a first bidirectional controllable switch (B1) electrically connected to an alternating current input end, wherein ...  
WO/2017/020709A1
An improved multifunctional transformer. The transformer comprises a saturable reactor and a transformer which are mounted on the same closed-loop iron core (5), wherein the saturable reactor comprises direct-current coils (L23, L24) bei...  
WO/2017/019152A1
A solid state power transformer (300) is described for converting an input power signal at a first phase or voltage to an output signal of a second voltage or opposite phase by the use of bidirectional solid state switches (200-1, 200-2)...  
WO/2017/016249A1
A multifunctional transformer with a rapid response speed, comprising: a closed loop iron core (5); a transformer, which consists of primary and secondary coils (L1, L2; L3, L4) mounted on an iron core column of the closed loop iron core...  
WO/2017/009608A1
A power distribution system (30) having one or more phases is described. The power distribution system (30) has a power converter (46) with a plurality of semiconductor switching devices per phase, a PWM controller (52), and a current li...  
WO/2016/150714A4
The invention relates to an energizing circuit (50) of at least one magnetizing coil (28) of an operational brake (1), the energizing circuit being configured for energizing the magnetizing coil (28), which energizing circuit (50) compri...  
WO/2017/003567A1
A single-phase AC/DC electric power conversion apparatus includes an indirect matrix converter having an input interface to receive a first alternating current (AC) signal and an output interface to produce a second AC signal, where the ...  
WO/2017/003911A1
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for non-isolated power conversion. In one aspect, a method includes generating first and second rectified outputs using a rectifier with a...  
WO/2016/205903A1
These may be applied monophasically to medium-voltage three-phase electric networks and to low-voltage electric networks without coolant oil, close to consumers, operation being possible with only one motor for actuating the contacts of ...  
WO/2016/203706A1
A power conversion apparatus and a power conversion method are provided for heat treatment. The power conversion apparatus includes a rectifier configured to convert AC power to DC power, a smoothing filter configured to control the DC p...  
WO/2016/198377A1
The invention relates to an electrical circuit, comprising a first power converter unit (12; 70), at least a second power converter unit (14; 76), an intermediate circuit (16; 72), which connects the power converter units (12, 14; 70, 76...  
WO/2016/070292A4
The basic block diagrams for a voltage synthesizer is actually a process that shows you how to connect an alternating current parallel branch with another parallel branch, in series while at the same time isolating these parallel branche...  
WO/2016/191642A1
A matrix of power switches that directs current flow through multiple inductors which are electrically connected within a power conversion machine, wherein the power switch matrix electrically connects each end of each of the inductors t...  
WO/2016/184817A1
This invention relates to the field of matrix converters and more specifically to the field of matrix converters comprising bidirectional switches. There is proposed a concept of providing a minimum transistor switching period for any gi...  
WO/2016/182911A1
A system or method for a VSD with an active converter including a controller, an inductor, an active converter, a DC link, and an inverter. The active converter is controlled to receive an input AC voltage and output a boosted DC voltage...  
WO/2016/182454A1
Disclosed is a multi-voltage electrical apparatus comprising or including, an electrical load that can connect via an electrical connection separately to both of either, a first electrical source at a first voltage, and a second electric...  
WO/2016/180546A1
The invention relates to a semiconductor module (1) having a 1st potential (11), a 2nd potential (12) and a 3rd potential (13), wherein a series circuit comprising a 1st and a 2nd power semiconductor (21, 22) is arranged between the 1st ...  
WO/2016/177399A1
A converter arrangement (60) is disclosed, which is configured to convey power from a first power system (61) to a second power system (62), or vice versa, wherein the second power system (62) has a nominal operating voltage frequency ra...  
WO/2016/179051A1
An LED driver circuit includes a primary circuit and a circuit electrically isolated from the primary circuit, a transformer having a primary winding configured to receive power from an alternating current source and to generate power in...  
WO/2016/177376A1
A wind turbine power generation system comprising a rotor shaft coupled to an electrical generator which generates a power output at a first AC voltage level; a converter system that converts the power output of the generator at the firs...  
WO/2016/177535A1
An electrical converter (12) comprises at least one of an active rectifier (20) and an inverter (22) interconnecting an electrical source (16) with an electrical load (18). A method for controlling an electrical converter (12) comprises:...  
WO/2016/176304A1
A series injection device includes a power splitter coupled to two or more lines of an AC power system. The power splitter includes a coupling transformer for each phase of a single phase or polyphase AC circuit that includes the two or ...  
WO/2016/170586A1
A power conversion device comprises a converter-inverter unit 14 configured of a series connection of a converter 10 converting AC power to DC power and an inverter 12 converting the DC power converted by the converter 10 to AC power. Be...  
WO/2016/150714A3
The invention relates to an energizing circuit (50) of at least one magnetizing coil (28) of an operational brake (1), the energizing circuit being configured for energizing the magnetizing coil (28), which energizing circuit (50) compri...  
WO/2016/070292A3
The basic block diagrams for a voltage synthesizer is actually a process that shows you how to connect an alternating current parallel branch with another parallel branch, in series while at the same time isolating these parallel branche...  
WO/2016/165718A1
A wind-turbine-converter system with inverter controllers for inverters and a distributed error- handling system as well as a method of controlling the same is provided. The inverter controllers are linked by a communication bus with one...  
WO/2016/163066A1
The purpose of the present invention is to provide a power conversion device that exhibits high efficiency through selective use of power converters for balance control of series capacitors and to reduce common-mode circulating current. ...  
WO/2016/163201A1
In the present invention, a bus bar (12) connecting a plus terminal of a power module (8) and an inrush prevention circuit (3), and a bus bar (14) connecting a minus-side terminal of a smoothing capacitor (6) and a minus terminal of the ...  
WO/2016/036783A8
An extremely-sparse parallel AC-link universal power conversion device is provided that is capable of converting between various power schemas using a reduced number of switches. The number of heat-dissipating elements and the overall si...  
WO/2016/158804A1
The purpose of the present invention is to reciprocally carry out power conversion between DC power and AC power or between AC power and AC power, using a simple configuration. In order to achieve the foregoing, the following are provide...  
WO/2016/158805A1
The purpose of the present invention is to enable direct conversion of three-phase AC power to high-precision high-frequency single phase AC power. A configuration for achieving the foregoing comprises: a bidirectional switching circuit ...  
WO/2016/153440A1
The present invention is a power control device comprising a DC voltage control circuit (330) which transfers power to a DC load in a switched manner, a DC voltage adjustment circuit (310) in order to adjust the amount of power transfer ...  
WO/2016/154595A1
A method of commutation in a matrix rectifier from an active vector to a zero vector includes two steps. A method of commutation in a matrix rectifier from a zero vector to an active vector includes three steps.  
WO/2016/154444A1
An inverter includes a transformer that includes a first winding, a second winding, and a third winding, a DC-AC inverter electrically coupled to the first winding of the transformer, a cycloconverter electrically coupled to the second w...  
WO/2016/154443A1
An inverter includes a three-winding transformer, a DC-AC inverter electrically coupled to the first winding of the transformer, a cycloconverter electrically coupled to the second winding of the transformer, and an active filter electri...  
WO/2016/150714A2
The invention relates to an energizing circuit (50) of at least one magnetizing coil (28) of an operational brake (1), the energizing circuit being configured for energizing the magnetizing coil (28), which energizing circuit (50) compri...  
WO/2016/148163A1
The present invention makes it possible to perform current detection without extending the use of a voltage pattern used by a voltage inverter beyond the time period in which the vector pattern should be used, and thereby avoids increase...  
WO/2016/146403A1
The present invention provides a method for connecting a main converter (200) e.g. for use in a power plant (204) for regenerative energy having a generator (206), to a power grid (212), the main converter (200) comprising a grid breaker...  
WO/2016/142117A1
The invention relates to a domestic appliance (1) and to a method for operating the domestic appliance (1). The domestic appliance (1) comprises an electronic control device (8) and an electrical device (30), which can be controlled by m...  
WO/2016/134885A1
The present invention relates to an accumulator system (100) for accumulating electrical energy, comprising an energy accumulator (101) for generating a direct voltage; a converter (103) for converting the direct voltage into an alternat...  
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/2016/134014A1
An appliance includes an electrical connection to receive power from a mains line through an electrical grid to operate the appliance, at least one battery to supply power to operate the appliance, a battery charging circuit for charging...  

Matches 251 - 300 out of 7,488