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WO/2022/061427A1 |
The present invention relates to a system that uses an electric generator (3) of a wind turbine connected, in an aligned manner, to the electric motor (1) or other power takeoffs of escalators (2) and the like, in order to exploit the su...
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WO/2022/058995A1 |
A wireless power transmitter is provided herein. The wireless power transmitter includes a coil, transistors, and a controller. The coil provides a magnetic field for a wireless power transfer in accordance with an alternating current po...
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WO/2022/058790A1 |
Provided herein are systems and methods for transferring power.
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WO/2022/048021A1 |
Provided is a vehicle-mounted inverter skid; the bottom plate of a box body (100) is equipped with a plurality of support beams (105), and the height of the support beams (105) is less than the height of a support frame (104), such that ...
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WO/2022/049099A1 |
The invention relates to a phase shifting transformer (2) comprising: - 2 exciting windings (X1, X2, X3, Z1, Z2, Z3) sharing the same 3 double taped coils (4, 6, 8), - a first excited winding comprising 3 connected coils (41p, 42p, 43p),...
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WO/2022/043452A1 |
A converter (10) comprises a control arrangement (80) and a first number Z of modular-multilevel converters (13, 110) which are coupled in a parallel circuit. The first number Z is larger than 1. Each of the first number Z of modular-mul...
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WO/2022/036410A1 |
An electrical power control apparatus, including: a magnetic core having a plurality of phase limbs for respective phases of electric power, each of the phase limbs being interconnected to the other phase limbs at respective ends of the ...
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WO/2022/037954A1 |
A lighting driver includes a negative third harmonic generator configured to generate a negative third harmonic signal corresponding to a third harmonic of an AC input voltage shifted by 180 degrees. The lighting driver further includes ...
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WO/2022/036769A1 |
Provided are an alternating-current chopper circuit and a single-phase alternating-current electric motor drive system. The alternating-current chopper circuit comprises a switch circuit, a synchronization signal generation circuit, a sw...
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WO/2022/033185A1 |
Disclosed is a module-shared flexible controller topology for a power grid, which belongs to the technical field of power generation, power transformation or power distribution. Each single-phase topology comprises: an AC/AC converter th...
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WO/2022/028238A1 |
Provided is a power conversion system. The system comprises: a rectifier module, which converts an alternating-current input voltage into a direct-current bus voltage; an inverter module, which converts the direct-current bus voltage int...
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WO/2022/031276A1 |
A bidirectional switch and dimmer for the control of power from an AC source to a load is described. The approach uses power MOSFETs in a bidirectional switch subcircuit configuration that includes a floating AC/DC power supply and a sol...
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WO/2022/029452A1 |
A transformer for adjusting the voltage supplied to a load, the transformer comprising a primary winding connectable to a primary AC electrical supply and a secondary winding connectable in series between a live supply and a load. The pr...
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WO/2022/028265A1 |
A power supply apparatus (100) capable of impedance matching, comprising a power supply module (110) and at least one impedance matching circuit (120). The power supply module (110) is used for supplying power to an external device. The ...
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WO/2022/021347A1 |
A solid-state transformer (10) capable of maintaining good persistence of an output voltage during maintenance and repair. The solid-state transformer comprises an input end (101), a plurality of power units (U1-UM), and an output end (1...
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WO/2022/023398A1 |
The invention relates to a method for operating a power converter (7) as an inverter between a DC voltage (U) and an AC voltage grid (1), wherein, for each AC voltage phase of the AC voltage grid (1), the power converter (7) has at least...
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WO/2022/012006A1 |
A modular smart combined wind power converter and a control method therefor, comprising single bridge arm power units, a plurality of said bridge arm power units being connected in parallel to form a large-capacity bridge arm power modul...
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WO/2022/007362A1 |
The present invention relates to a photoelectric transmission isolation power supply, comprising a transmitting end unit, an optical path straightener, and a receiving end unit. The transmitting end unit is used for obtaining a power sup...
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WO/2022/007668A1 |
Provided are a power supply apparatus and a charging control method. The power supply apparatus (1) comprises a plurality of charging units (13), a plurality of circuit switching switches (14), and a control unit (15); the plurality of c...
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WO/2022/002640A1 |
The invention relates to a filter device (1) for use in a converter (24) in an alternating voltage supply system (27), comprising a choke unit (2), a capacitor unit (3) and saturation reducing means (41) for the choke unit (2). The inven...
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WO/2022/003402A1 |
Disclosed is an electric transformer that has variable impedance, optionally under load, which includes, in at least one of its transformation phases, a first impedance-varying auxiliary winding having inverse magnetic polarity and a sec...
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WO/2022/001834A1 |
Provided is a power supply and distribution system for a data center. The system comprises a feed circuit, a voltage energy router and an alternating-current/direct-current load power distribution segment bus, wherein the feed circuit is...
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WO/2022/002626A1 |
The invention relates to a filter device (1) for use for converters (30) on an alternating-voltage grid (20), the filter device comprising: - a first capacitor unit (2) having a first capacitor star point (3) and a second capacitor unit ...
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WO/2021/255002A1 |
It is described a wind power plant (100, 200, 300, 400) for providing electrical power (141) to a utility grid (101), the wind power plant comprising: at least one wind turbine (103) having a wind turbine generator coupled to a wind turb...
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WO/2021/255868A1 |
A power conversion system (100) comprises: a first power converter (2_1) that converts power between a first AC system (12_1) and a DC circuit (14); and a second power converter (2_2) that converts power between a second AC system (12_2)...
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WO/2021/254690A1 |
It is described a wind power plant (100, 200, 300, 400) for providing electrical power (141) to a utility grid (101), the wind power plant comprising: at least one wind turbine (103) having a wind turbine generator coupled to a wind turb...
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WO/2021/243442A1 |
Disclosed is an RF (Radio Frequency) power source having a power supply configured to convert an AC (Alternating Current) voltage at a power supply input to a second voltage at a power supply output, and an RF generator configured to rec...
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WO/2021/244669A1 |
A compressor variable-frequency speed adjusting system and a control method for a direct-current bus voltage, comprising: a rectifier module, for converting an alternating-current input voltage into a direct-current bus voltage; an inver...
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WO/2021/243425A1 |
The present invention relates to a system for limiting the charging current of the capacitive filters of the power cells of a cascaded modular power converter during the start-up period. The invention applies to cascaded modular power co...
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WO/2021/239200A1 |
A power supporting arrangement (10) for a power grid (24) and comprising a DC network (16) comprising a first DC line (DCL1) with a first DC potential, a second DC line (DCL2) with a second DC potential and an energy storage system compr...
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WO/2021/232927A1 |
Disclosed in the present invention are an anti-dragging system and a wind turbine generator system. The anti-dragging system comprises a converter; the converter comprises a first full bridge, a second full bridge, and a DC link; the fir...
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WO/2021/236150A1 |
Operating an electrical load controller includes predetermining a duration of time based at least in part on a frequency of an alternating-current (AC) waveform, the AC waveform oscillating through full cycles, each full cycle comprising...
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WO/2021/229190A1 |
The invention relates to a three-phase autotransformer (8) comprising three groups of outputs and three inputs (E1, E2, E3) each connected to each of the outputs of one respective group of outputs via windings, the windings being configu...
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WO/2021/219334A1 |
The invention relates to an energy converter (1) for converting (32) electrical energy into thermal energy, having a regenerative rectifier (4), a coil (11) and a first and a second capacitor (12, 13), wherein: the regenerative rectifier...
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WO/2021/218266A1 |
Provided in embodiments of the present application are an alternating-current (AC) power supply circuit, a control method therefor, and an AC power supply. The AC power supply circuit comprises: a rectifier module and an inverter module,...
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WO/2021/208045A1 |
Provided is a power supply system. By means of cascading output ends of power supplies or DC-to-DC units, an output voltage is improved, a current between the power supplies or the DC-to-DC units and DC-to-AC units is reduced, and the pr...
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WO/2021/196629A1 |
The present invention is adapted to the technical field of voltage stabilization. Provided are an alternating-current voltage stabilizer (1) and an alternating-current voltage stabilizing device. The alternating-current voltage stabilize...
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WO/2021/196448A1 |
The present application provides an interconnected co-phase traction power supply system based on a four-port modular multilevel converter (4P-MMC), which is constituted by connecting traction busbars of multiple interconnected co-phase ...
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WO/2021/197607A1 |
A power supporting arrangement (10) for a power grid (24) comprises a first and a second voltage source converter (14, 8) with an AC side and a DC side, a DC link (16) interconnecting the DC sides of the voltage source converters (14, 18...
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WO/2021/190730A1 |
The invention relates to a converter assembly (1), comprising a line-commutated converter (2) which has an alternating voltage terminal which can be connected via at least one phase conductor to an alternating voltage network, wherein th...
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WO/2021/172460A1 |
[Problem] To provide a method for controlling a load power factor in accordance with a command by adjusting the output frequency with respect to a change in the load inductance of an induction heating furnace coil. [Solution] A method ch...
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WO/2021/160281A1 |
There is provided a transformer system (10) for converting a grid voltage (Vgrid) to a regulated voltage (Vregulated) and output the regulated voltage (Vregulated) to a power line (30), the transformer system (10) comprising: a first tra...
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WO/2021/148617A1 |
The invention relates to a power converter (100), comprising: a first terminal (1), a second terminal (2), a third terminal (3) and a fourth terminal (4); stored-energy-source terminals (5, 6), to which a stored energy source (7) can be ...
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WO/2021/150593A1 |
Apparatus and methods for supplying DC power to control circuitry of a matrix converter is provided. In certain embodiments, a matrix converter includes an array of switches having AC inputs for receiving a multi-phase AC input voltage a...
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WO/2021/146047A1 |
A magnetic component includes a main magnetic core, a power winding coupled to the main magnetic core, a variable reluctance core element arranged in a flux path of the main magnetic core and including a saturable magnetic core and a con...
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WO/2021/142054A1 |
A voltage source inverter comprises a rectifier circuit having an input for connection to a multi-phase AC power source and converting the AC power to DC power and an inverter circuit for receiving DC power and converting the DC power to...
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WO/2021/128716A1 |
A multiplexed output short-circuit protection circuit. The multiplexed output short-circuit protection circuit comprises a power supply module (1), an input winding (2) and a plurality of output windings (3), wherein the power supply mod...
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WO/2021/128772A1 |
Provided in the present invention are a converter and a traction transmission system. By means of acquiring an operating status of a converter, an inverter and an electric motor, and/or a parameter of a cooling system, and by means of a ...
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WO/2021/131398A1 |
A power conversion device 1 includes a plurality of switching elements, and comprises: a matrix converter circuit 10 that performs bidirectional power conversion between an alternating current power of a primary side and an alternating c...
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WO/2021/133695A1 |
In a three-phase, four-wire electrical distribution system, a zig-zag transformer and at least one Cascade Multilevel Modular Inverter (CMMI) is coupled between the distribution system and the neutral. A controller modulates the states o...
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