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WO/2024/051839A1 |
The present application discloses a power supply tie transformer, and a regulation and control method therefor. The power supply tie transformer comprises: a multi-phase parallel transformer, a multi-phase series transformer, and a plura...
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WO/2024/039571A1 |
A circuit includes first and second output terminals; a transformer including a primary winding and a secondary winding, the secondary winding includes a tap that divides the secondary winding into first and second secondary windings; a ...
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WO/2024/017943A1 |
A tap changer arrangement (10) comprising a tap changer housing (12) having a longitudinal extension along a first axis (A), which tap changer housing (12) comprises a first interface part (14), at a proximal part of the tap changer hous...
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WO/2024/017645A1 |
The invention relates to an electrical operating means (1) comprising: - at least one control winding (3), which has winding taps (n, n+1), and at least one partial winding (4, 5), - a tap changer (6) for changing a transformation ratio,...
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WO/2024/012815A1 |
The invention relates to a method for actuating an on-load tap-changer (4) by means of a drive (3), a sensor (5), and a controller (2), wherein the controller (2) receives a switch command to actuate the on-load tap-changer (4); - a curr...
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WO/2023/217517A1 |
The invention relates to a method for changing a transformation ratio, an impedance, or a voltage of an electrical operating means (14), which voltage is used for excitation, the electrical operating means (14) comprising: - at least one...
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WO/2023/213535A1 |
The invention relates to a method for adapting a target voltage value (Usoll) for controlling the voltage of a tap-changing transformer (200) by means of an on-load tap changer (10), the method comprising the following steps: determining...
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WO/2023/208849A1 |
A method of generating a timing control signal (80) for controlling the timing of a change of a transformer tap of a transformer (20) is provided. The transformer (20) comprises an on-load tap changer (30) comprising plural respective tr...
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WO/2023/169174A1 |
A no-arc on-load tap changer, a switching control method and an electrical equipment, applied to the field of power transmission and transformation of power systems. The no-arc on-load tap changer comprises at least two main switches, tw...
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WO/2023/170326A1 |
The method of the invention dynamically determines the optimal voltage set point for the on-load electrical tap changer (4) and the corresponding parameters of the automatic voltage regulator (3) so that they are in correspondence with e...
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WO/2023/162285A1 |
A tap switching mechanism of a tap selector according to an embodiment of the present invention has a reference member, a first drive member, and a second drive member. The reference member rotates about a reference axis. The first drive...
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WO/2023/156276A1 |
A method for monitoring a transformer (10) comprising a tap changer (16), wherein extracted information comprises a circulating current amplitude (AC) and/or a circulating current time (tC) covering at least a part of the tap change oper...
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WO/2023/154415A1 |
An integrated voltage regulator (IVR) for on-chip integrated circuit applications may include a tunable inductor that may be adjusted to generate a target output for the IVR. The tunable inductor may include a piezoelectric material that...
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WO/2023/139643A1 |
In the present invention, a changeover switch for an on-load tap changer according to an embodiment holds a resistance switch. The resistance switch has a first terminal and a second terminal that are capable of making contact with each ...
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WO/2023/092629A1 |
The present invention belongs to the technical field of transformers, and particularly relates to a variable-flux voltage-variation rectifier transformer for an electric trolley. The variable-flux voltage-variation rectifier transformer ...
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WO/2023/083391A1 |
The invention relates to an electrical/electronic apparatus, without dielectric coolants or oils, which is used to power electric motors or electric networks and which alters the frequency, voltage, current and power parameters of the el...
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WO/2023/084751A1 |
This on-load tap changer has an upper-stage shaft, a lower-stage shaft, and a power regulating unit. An upper end section of the lower-stage shaft is disposed outside an insulating oil. The upper-stage shaft can be attached/detached to/f...
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WO/2023/070781A1 |
The present application relates to a converter transformer on-load tap-changer switching topological structure design method. The method comprises the following steps: designing an on-load tap-changer basic branch library; selecting a ba...
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WO/2023/069531A1 |
The present disclosure provides an exemplary three-phase multi-tap balancing distribution transformer capable of operation with both balanced and unbalanced loads and that provides a wide range of incremental voltages to compensate for t...
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WO/2023/041825A1 |
The present invention comprises a parallel association of two thyristors of different rated current / n1 and I n2 , being I n1 > I n2 , their blocking currents further being such that they follow l L1 > l L2 . Thus, the formation of an A...
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WO/2023/041792A1 |
A transformer arrangement comprising a transformer, a transformer tank (26) and at least one tap changer (24) that is arranged to be connected to said transformer. The transformer arrangement further comprises at least one support struct...
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WO/2023/037349A1 |
The invention relates to energy converters based on the dynamic Casimir effect. The possibilities of excitation of resonant oscillations in quantum cavities of intercrystalline or intergranular spaces are found. A high ratio of output po...
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WO/2023/006730A1 |
The invention relates to a controllable inductor coil (100), comprising at least one inductor winding (2) and a magnetic coil core (3), which coil core has a direction of longitudinal extent (Z) matching the main magnetic flux direction,...
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WO/2022/069518A9 |
A transformer circuit (100) for an electric vehicle comprises an input (104); an output (106); and a transformer (108) located between the input and the output. The transformer comprises a primary winding (110) connected to the input; an...
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WO/2022/269658A1 |
This tap selector for an on-load tap changer of one embodiment includes: a retaining member; a case; a shaft; a roller; and a bottom plate. The retaining member retains a moveable contact. The case is attached to the retaining member. Th...
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WO/2022/248197A1 |
A method for operating a control transformer (10) for coupling two electrical energy networks (2, 3), with a system (1) comprising - a control transformer (10) having at least one first control winding (12) on a high-voltage side (13) an...
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WO/2022/228740A1 |
A vacuum interrupter assembly (10) for a power diverter switch comprises a vacuum interrupter (11) and a driving mechanism (12) which is coupled to the vacuum interrupter (11) and which is configured to drive opening and closing of elect...
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WO/2022/216605A1 |
Transformer assembly has an input terminal, principal housing with main chamber for high voltage coil(s) having plurality of taps, low voltage coil(s) and retaining oil. An auxiliary housing extends outwardly from principal housing and i...
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WO/2022/193522A1 |
A vacuum on-load tap changer double vacuum tube reciprocating transition circuit and a switching control method thereof. One ends of a first main switch M1 and a second main switch M2 in the circuit are connected to a first winding tap N...
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WO/2022/183670A1 |
The present invention relates to a full-range advancing device for an on-load tap changer accumulator, an accumulator, and an on-load tap changer. The full-range advancing device comprises two Geneva intermittent mechanisms and a central...
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WO/2022/179280A1 |
The present invention relates to an accumulator having multiple mechanical energy storage devices for use in an on-load tap changer, and an on-load tap changer. A driving shaft in the accumulator can rotate in any direction under the dri...
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WO/2022/155898A1 |
The present application belongs to the technical field of circuits, and discloses a power supply circuit and device. The power supply circuit comprises a transformer T and a switching circuit. The transformer T comprises a primary windin...
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WO/2022/146133A1 |
The invention relates to electrical engineering, and more particularly to electrical energy transformers. The technical result consists in reducing the inherent leakage of magnetic flux, enhancing interaction between the primary and seco...
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WO/2022/130132A1 |
A system for transmitting electrical energy comprising: transmitting and receiving quarter-wave resonant transformers, the quarter-wave winding of each of which is provided with contact terminals; a source and a receiver of electrical en...
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WO/2022/117249A1 |
The invention relates to an inductive component (1) having at least one magnetic core (2), the magnetic core being formed by two core parts (21). In order to improve the inductive component with regard to its magnetic core, the core part...
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WO/2022/104902A1 |
A symmetrical vacuum bubble load-balancing transition circuit apparatus, and a control method, which apparatus and method belong to the technical field of tap switches. The apparatus comprises transfer switches (Z1, Z2), circulating vacu...
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WO/2022/101262A1 |
The present invention relates to an On-Load Tap Changer (OLTC) (400) for connection to a regulating winding (405) of a transformer (401), the regulating winding (405) enclosed in a transformer tank (410), wherein the transformer tank com...
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WO/2022/088402A1 |
An adjustable reactor and an equal-step adjustment method therefor, which relate to the technical field of electronic testing, and solve the technical problem of how to provide a reactor that has a wide adjustment range and that can be d...
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WO/2022/089870A1 |
The invention relates to an on-load tap changer (10) for uninterrupted switching between winding taps (NJ, NJ+1,..., NN) of a tap-changing transformer (1), comprising: - a first fixed contact (12), which can be connected to a first windi...
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WO/2022/082880A1 |
An end insulation device for a voltage regulation coil of an oil-immersed power transformer, mounted on upper and lower ends of a voltage regulation coil (200), and comprising an insulating device body (100). The insulating device body (...
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WO/2022/085288A1 |
A tap selector of an on-load tap changer of an embodiment comprises a Geneva driver and a Geneva gear. The Geneva driver is rotatable. The Geneva gear rotates in conjunction with rotation of the Geneva driver. The Geneva gear is provided...
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WO/2022/069666A1 |
A transformer circuit (100) for an electric vehicle comprises an input (104); an output (106); and a transformer (108) located between the input (104) and the output (106). The transformer (108) comprises a primary winding (110) connecte...
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WO/2022/042955A1 |
The invention relates to an on-load tap changer (1) for uninterrupted load transfer between different winding taps of a tap-changing transformer (30), comprising a flange module (2) and a union nut (12). The on-load tap changer (1) can b...
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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/2022/016758A1 |
Disclosed are a vacuum on-load tap-changer transition device, and a switching method for the vacuum on-load tap-changer transition device. The vacuum on-load tap-changer transition device comprises: a main changeover switch S1, an auxili...
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WO/2022/017732A1 |
The invention relates to an on-load tap changer (10) for switching, without interruption, between winding taps (N1, …, NJ, …, NN) of a tap-changing transformer (20), comprising: - a load transfer switch (40) for carrying out switchin...
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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/2022/001362A1 |
Disclosed are a passive triggered-power electronic tap-changer device and a contact device. The power electronic tap-changer device comprises: two taps, a main contact, two auxiliary contacts, two trigger contacts, an output terminal, tw...
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WO/2021/258621A1 |
A vacuum on-load tap-changer transition circuit with isolation contacts and a voltage regulation method. The transition circuit comprises: a first main contact (MC1), a second main contact (MC2), a first auxiliary vacuum contact (V1), a ...
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WO/2021/239852A1 |
An electrical safety device (10), wherein the electrical safety device is configured to provide electrical energy from an electrical network via input terminals to at least one electrical consumer device connected to output terminals (44...
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