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WO/2021/133231A1 |
The invention relates to the field of electrical engineering. A power supply comprises a capacitor module, a control unit, and an induction module, wherein the induction module comprises several inductors connected in parallel, each indu...
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WO/2021/123317A1 |
The invention is concerned with a transformer arrangement (10) comprising a transformer (12) with a primary and a secondary winding (12P, 12S) and a chain link (14) of switching blocks connected in series between one of the windings and ...
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WO/2021/121532A1 |
This system magnifies the electric power through the initial electric power received from a power supply such as Solar Panel, City Network, or lead acid battery. The device of the system consists of the following 3 parts. The first part ...
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WO/2021/114331A1 |
A traction converter, the converter comprising: at least one converter circuit (101), a charging resistor (102), a first contactor (103) and a first direct current switch (104) which are closed in a rescue output mode and a rescue input ...
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WO/2021/115625A1 |
The invention relates to a method for operating a system (100) for electrolysis in order to obtain at least one gaseous electrolysis product, in which system at least one electrolysis device (150, 160) is electrically connected to a powe...
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WO/2021/101350A1 |
The present invention relates to a planar transformer of a switching type power supply device in which two output windings are coupled in a sandwich structure to both sides of an input winding composed of conductors on a multi-layered PC...
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WO/2021/094080A1 |
A transformer assembly (1) for electric grids comprising: - an electric transformer (2) comprising a magnetic core (20), a first side (2A) including one or more first windings (21) enchained with said magnetic core and adapted to be elec...
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WO/2021/078532A1 |
An inverter circuit receives an AC input signal and uses at least two bidirectional switches between the input terminals and a junction node to perform the electrical inversion function. A resonant circuit is formed by a primary side ind...
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WO/2021/075643A1 |
A power generating transformer system (PGTS) where the core of the transformer has one of the generalized configurations is presented. Also, a power factor correction method in a power generating transformer system (PGTS) and a PGTS func...
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WO/2021/069189A1 |
The invention relates to a balancing device (10a) for a network, which comprises: a network input (11) for detecting balancing requirements; a transformer (21) comprising a first winding connected to the output of said network input; an ...
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WO/2021/058623A1 |
Apparatus and method for establishing a stable operating point of a H-bridge (Ml HSD, M2 LSD) with a center shunt switch (M5). The stable operating point lets a circuit connected to the H-bridge output (OUTPUT) work in a more ideal condi...
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WO/2021/052547A1 |
Synchronizing a grid side harmonic filter and pre-charging cell capacitors in modular multilevel converters can be achieved by: opening a transmission circuit breaker disposed on a first path between a power grid and a converter system; ...
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WO/2021/048327A1 |
The invention relates to a voltage transformer for converting a primary-side alternating voltage at a first voltage level into a secondary-side alternating voltage at a second voltage level, the voltage transformer having a DC link in wh...
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WO/2021/048023A1 |
Method, device and system for managing a mining facility (150 A-N) including a plurality of systems is disclosed. The method comprises generating, on a simulation unit (102, 330), system models (210, 220, 230, 240) for one or more system...
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WO/2021/042557A1 |
A traction-auxiliary converter and converter cabinet for an internal combustion locomotive, aimed at solving the technical problems that an existing internal combustion AC transmission locomotive is low in integration level, poor in ener...
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WO/2021/040355A2 |
Disclosed is an intelligent transformer topology in which a small power converter is added to a conventional distribution transformer. An intelligent transformer operating in a single phase, in which a small power converter is added to a...
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WO/2021/031749A1 |
A solid-state transformer, comprising a plurality of power units (100). Each power unit (100) comprises a high-voltage side module (110), a low-voltage side module (120), and an isolation transformer (130). The isolation transformer (130...
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WO/2021/028058A1 |
The embodiments herein relate to a system (100) for controlling a 3-phase transformer device (101, T1, T2, T3). The system (100) comprises the 3-phase transformer device (101, T1, T2, T3) which comprises a primary side and an adjustable ...
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WO/2021/030371A1 |
A system for transforming the voltage of AC electrical energy by resonant charge exchange between a first node and a second node. The system includes a capacitor or series-connected column of capacitors and a controller that is configure...
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WO/2021/020638A1 |
The present invention relates to an integrated inverter-charger device. According to one aspect of the present invention, an integrated inverter-charger device may be provided which comprises: a charging unit of which one end is connecte...
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WO/2021/013319A1 |
The present disclosure relates to an AC-to-AC MMC (2) configured to be connected between a three-phase AC system (10a) and a single-phase AC system (10b). The MMC comprises at least four converter arms (5) connected in a ring to allow a ...
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WO/2021/008726A1 |
The invention relates to a method and system for operating a system comprising a stored energy source and resistor, wherein, in order to discharge the stored energy source, an electrical power P that is constant over time is supplied to ...
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WO/2021/004655A1 |
The invention relates to a system for feeding a DC link and to a method for operating a system, wherein: a sensor for sensing a current in the DC link or a voltage at the DC link is connected to a control means, which controls a second c...
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WO/2021/006765A1 |
The invention relates to the field of electrical engineering and can be used, in particular, for powering an active load in an economical regime. The technical result that can be achieved by implementing the invention is that of powering...
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WO/2021/003885A1 |
The present application provides a drive control circuit and a home appliance. The drive control circuit comprises: a half-bridge circuit configured to perform conversion processing on a power supply signal, and specifically comprising a...
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WO/2021/003887A1 |
The present application provides a drive control circuit and a home appliance. The drive control circuit comprises: a half-bridge circuit connected into a bus circuit and configured to convert a power supply signal, each bridge arm of th...
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WO/2021/001785A1 |
One embodiment is a system comprising a medium voltage direct current (MVDC) link electrically coupling a first AC-DC converter and a second AC -DC converter. The first AC -DC converter is electrically coupled with a first alternating cu...
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WO/2020/259900A1 |
A power supply system (12) for an electric arc furnace (10) comprises an AC input (20) connectable to an electrical grid (22) and an AC output (24) for supplying at least one power electrode (14) of the arc furnace (10). The power supply...
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WO/2020/260032A1 |
Electrical circuit (1) for charging a DC voltage source from an AC voltage network, the circuit comprising: - an input (3) suitable for receiving an AC voltage from the voltage network, - a first output (4) suitable for being connected t...
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WO/2020/259907A1 |
A power supply system (12) for an electric arc furnace (10) comprises an AC input (20) connectable to an electrical grid (22) and an AC output (24) for supplying at least one power electrode (14) of the arc furnace (10); a resonant circu...
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WO/2020/252968A1 |
A smart thyristor voltage conversion circuit, comprising a first thyristor (20), a first alternating-current output driving circuit (60), and a main control circuit (80). One end of the first thyristor (20) is connected to an alternating...
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WO/2020/249385A1 |
The invention relates to a power converter (200), in particular of a wind energy installation for feeding electrical power into an electrical supply network, at least comprising: a multiplicity of rectifiers (210) which are connected to ...
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WO/2020/245916A1 |
A power conversion device according to an embodiment comprises a first power converter, a plurality of DCDC converters, and a second power converter. The first power converter includes: a plurality of first positive arms; a plurality of ...
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WO/2020/239326A1 |
The invention relates to a system (1) comprising a control device (10) with central electronics (11) designed for the intended connection and operation of differently coded electric motors (En) with different motor characteristics (Mn) a...
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WO/2020/221831A1 |
A power converter system (1A) is described. The system includes a power converter (2) with a first converter (2b) including a plurality of semiconductor devices. Each semiconductor device includes at least a controllable semiconductor sw...
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WO/2020/215834A1 |
Disclosed in the present application are a control method and apparatus for a variable frequency air conditioner and a variable frequency air conditioner, belonging to the field of compressors. Said method comprises: calculating a target...
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WO/2020/204807A1 |
The invention relates to a circuit breaker for an electrical circuit. The circuit breaker (100) is arranged between a power supply (302) and a load (304) and comprising a first circuit breaker (102) coupled in series with a second circui...
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WO/2020/201323A1 |
The invention relates to a method for generating at least an AC voltage using at least one inverter device (202), and the inverter device (202) comprises in each case at least one voltage input (206) for applying an input voltage, at lea...
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WO/2020/204806A1 |
The invention relates to a circuit breaker for an electrical circuit. The circuit breaker (100) is arranged between a power supply (302) and a load (304), wherein the circuit breaker (100) comprises control means (104) configured to swit...
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WO/2020/181348A1 |
The present invention patent application relates to an electronic converter device intended for use in universal brush motors with specific features relating to input and output voltage and to power. These motors are used in a range of e...
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WO/2020/183102A1 |
The invention relates to a system (1) configured to deliver as output a polyphase current of constant frequency from a synchronous generator (2) driven at variable speed, said system successively comprising, at the output of said generat...
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WO/2020/185116A1 |
The invention relates to computer engineering and can be used for building high-speed, high-voltage voltage level translators, including when interfacing elements of electronic systems having several power sources. The technical result c...
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WO/2020/182341A1 |
The invention relates to a drive system and a method for operating a drive system, comprising a converter and a second inverter and at least one first switching unit (9), wherein: an electric motor is connected to the AC voltage-side ter...
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WO/2020/182339A1 |
The invention relates to a drive system comprising a converter, in particular an AC/DC converter, and an inverter for supplying power to an electric motor which is electrically connected to the AC voltage-side terminal of the inverter, w...
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WO/2020/179280A1 |
The present invention concerns a method and a device for on-line monitoring a DC-bus capacitor comprised in a power converter that controls the power provided to a load through an output stage at each switching cycle using a pulse width ...
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WO/2020/173563A1 |
The present disclosure relates to an AC-to-AC MMC (2) configured to be connected between a first AC system (10a) and a second AC system (10b). The MMC comprises a plurality of parallel connected phase legs (4), each phase leg comprising ...
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WO/2020/172732A1 |
The present invention patent application relates to an automatic dual-voltage device that is designed to automatically switch the output of single-phase induction motors with power up to 3 HP/CV, immediately upon being connected to the 1...
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WO/2020/171886A1 |
According to various embodiments, a power conversion circuit is disclosed. The power conversion circuit includes at least one DC bus. The power conversion circuit further includes a plurality of DC -AC conversion units coupled to the DC ...
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WO/2020/164800A1 |
The invention relates to a system for contactless transmission of electrical power to a mobile part. The system comprises: a primary conductor; a compensating assembly for providing a capacitance; and the mobile part, the mobile part hav...
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WO/2020/163836A1 |
A driver (60) may be used to drive an electrically controllable optically active material in a privacy structure (12). In some examples, the driver receives power from a power source (62) at a supply voltage and a supply apparent power l...
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