WIND POWER

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Resultados 358 results. LastUpdate Updated on 01/02/2023 [14:46:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 15 días / Applications published in the last 15 days



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TRIBOELECTRIC NANOGENERATOR AND WIND SPEED AND WIND DIRECTION SELF-DRIVING SENSING APPARATUS

Publication No.: WO2023000542A1 26/01/2023

Applicant:

UNIV ZHEJIANG [CN]

Absstract of: WO2023000542A1

Disclosed are a triboelectric nanogenerator (TENG) and a wind speed and wind direction self-driving sensing apparatus. The TENG comprises a wind chamber having a slit effect, a friction electron layer, and a hydroxyethyl cellulose film; the wind chamber is provided with an ingress end and an egress end; a layer of electrodes and a friction electron layer are respectively fixedly adhered to an upper side surface and a lower side surface of an inner wall of the wind chamber; the middle of the wind chamber near the ingress end is provided with a support strip that is horizontally arranged and that is perpendicular to the wind direction; and one end of the hydroxyethyl cellulose film is fixedly adhered to the support strip, and the other end freely extends towards the egress end. The sensing apparatus comprises a plurality of TENGs, which are fixed at intervals in the radial direction at a central angle of 45° on the circumference of a ring, and which are all connected to an electrometer digital acquisition board. The present invention has the features of high sensitivity, a large effect range, and simple preparation, and can maintain stable operation for a long time; in addition, sensing of low wind speed can be implemented by using a slit effect, which can be used for wind speed sensing and wind energy collection, so as to supply energy to agricultural sensors.

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FLUID TURBINE WITH PARACHUTE-LIKE CATCHERS

Publication No.: WO2023000043A1 26/01/2023

Applicant:

KONSTANTINOV DRAGOMIR [BG]

Absstract of: WO2023000043A1

The claimed device consists of a vertical shaft (1), one or a number of bearing rings (2), a rotor (3), one or a number of pairs of catchers (4) made of a lightweight robust material, flexible connectors (5), and vents (6) with air inlets (7). The device can be used for capturing mechanical pressure and extracting energy from fluid flows. Since the catchers are made of a flexible lightweight fabric, the device is simple, light and easy to manufacture and repair. Furthermore, the device has a large working area and reduces drag on the return half-rotation of the rotor to an insignificant value, thus further increasing the efficiency of the device.

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CONCRETE TOWER WITH SEVERAL SECTIONS

Publication No.: WO2023002069A1 26/01/2023

Applicant:

WINDTECHNIC ENG S L [ES]

Absstract of: WO2023002069A1

The invention relates to a concrete tower with several sections, that is easy to install and can be designed with a certain dynamic behaviour, each section having an annular configuration and comprising a lower face, an upper face, an inner face and an outer face. According to the invention, each section is stacked on top of an adjacent section, the lower face of one section being stacked on the upper face of the adjacent section, the lower and upper faces are flat, and a ring seal is arranged in contact with the lower and upper faces of adjacent sections, the seal being made of polymer material.

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FLOATING WIND TURBINE PLATFORM

Publication No.: WO2023004185A2 26/01/2023

Applicant:

UNIV MAINE SYSTEM [US]

Absstract of: WO2023004185A2

[098] A semi-submersible wind turbine platform is configured for floating in a body of water and supporting a wind turbine, and includes a center column, at least three tubular bottom beams extending radially outward of a first axial end of the center column, the center column configured to have a tower attached to a second axial end thereof, outer columns, wherein a first axial end of each outer column attached to a distal end of one of the bottom beams, and top beams, one of which extends between a second axial end of each outer column and the second axial end of the center column.

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OFF-SHORE WIND TURBINE SYSTEM AND METHOD OF INSTALLATION

Publication No.: WO2023004117A2 26/01/2023

Applicant:

TRENDSETTER VULCAN OFFSHORE INC [US]

Absstract of: WO2023004117A2

An off-shore wind turbine system is assembled using a platform or jack-up vessel, and a first base anchored to the seafloor at a blade assembly off-shore location. A buoyant tower is attached to the first base. A crane provided on the platform or jack-up vessel is used to lift blades and blades, which are then coupled to a turbine held in a nacelle provided at the top of the buoyant tower. The buoyant tower, the nacelle, and the blades are detached from the first base. The buoyant tower, the nacelle, and the blades are towed to a wind farm and connected to a second base provided in the wind farm. The buoyant tower, the nacelle, and the blades are further stabilized using mooring lines spanning between the buoyant towers and other bases provided in the wind farm. The first base and/or the second base include anti-rotation features.

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FOUNDATION FOR A WIND TURBINE

Publication No.: US2023028001A1 26/01/2023

Applicant:

SMART & GREEN MUKRAN CONCRETE GMBH [DE]

US_2021108614_A1

Absstract of: US2023028001A1

The invention relates to a foundation for a wind turbine, wherein the foundation comprises substantially prefabricated elements, preferably made of reinforced concrete, with a first, vertically extending base-like portion, on which a tower of the wind turbine can be arranged, and a second substantially horizontally extending portion as foundation body, which is in contact with the ground. The first portion is arranged above the second portion and has at least one closed, preferably sleeve-shaped, base element, which is annular or polygonal, and the second portion is formed from at least two horizontal elements, which each have at least one base portion. The at least one base element of the first portion and the base portion of the horizontal element of the second portion have substantially vertical apertures, which are mounted in line with one another and in which substantially vertical bracing elements, preferably threaded rods, are arranged. The at least one base element of the first portion and the at least two horizontal elements of the second portion are preloaded against one another by the substantially vertical preloading elements. No further fastening means, in particular horizontal fastening means, are necessary for dissipation of the loads from the wind turbine.

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ELECTRIC MACHINE HAVING A HYBRID INSULATIVE-CONDUCTIVE MANIFOLD

Publication No.: US2023024956A1 26/01/2023

Applicant:

GEN ELECTRIC [US]

EP_4123888_PA

Absstract of: US2023024956A1

An electric machine having a hybrid insulative-conductive manifold is disclosed. In one aspect, an electric machine includes a manifold that includes an insulative plate and a conductive backplate positioned adjacent to the insulative plate. The insulative plate and the backplate define a first channel and a second channel therebetween. The electric machine also includes a prime winding and a secondary winding electrically isolated from the prime winding. The prime winding and the secondary winding are both in fluid communication with the first channel and the second channel. A terminal conductor extends through the backplate and insulative plate and is electrically coupled with the prime winding. The terminal conductor is electrically isolated from the backplate and provides cooling fluid to the prime winding and the first channel so that cooling fluid flows between the terminal conductor and the prime winding and between the terminal conductor and the first channel.

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TRANSPORT FRAME FOR A NACELLE OF A WIND TURBINE AND ASSOCIATED METHODS

Publication No.: US2023024939A1 26/01/2023

Applicant:

VESTAS WIND SYS AS [DK]

WO_2021136567_A1

Absstract of: US2023024939A1

A transport frame (100, 102) for a nacelle (14) includes a pair of lower nacelle mounts (128, 130) and a pair of upper nacelle mounts (204, 206). Each of the lower nacelle mounts (128, 130) includes a plurality attachment points for attaching to the nacelle (14) at a plurality of different widths. Each of the upper nacelle mounts (204, 206) includes a plurality of attachment points for attaching to the nacelle (14) at a plurality of different widths. The pair of lower nacelle mounts (128, 130) and the pair of upper nacelle mounts (204, 206) are adjustably positioned to allow the transport frame (100, 102) to attach to the nacelle (14) at a plurality of different heights. The ability of the transport frame (100, 102) to attach to the nacelle (14) at a plurality of different widths and heights allows the transport frame (100, 102) to be used on nacelles (14) having different sizes. Methods of using the transport frames (100, 102) are also disclosed.

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Wind Energy Apparatus

Publication No.: US2023024478A1 26/01/2023

Applicant:

KUMARASENA THUSITHA [US]

Absstract of: US2023024478A1

Apparatus is provided for wind-energy electrical generation. The apparatus presented comprises a shell enclosing a turbine with a vertical axis, the shell having a wind intake and wind egress, and may comprise blades or vanes to direct wind flow inside the shell to push the turbine. The turbine comprises an electrical generator. The turbine axis may be able to tilt. The apparatus may be used for wind-energy electrical generation in sites that are not conducive to convention wind-energy electrical generation. The present disclosure solves problems with the currently available apparatuses for wind-energy electrical generation using a building or other obstacle to its advantage. It also provides a means of combining solar and wind renewal energy harvesting into a single device.

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A METHOD FOR PLANNING REPOWERING OF A WIND ENERGY PLANT

Publication No.: US2023025161A1 26/01/2023

Applicant:

VESTAS WIND SYS AS [DK]

WO_2021115542_A1

Absstract of: US2023025161A1

A method for planning repowering of a wind energy plant is disclosed. The wind energy plant is positioned at a site and comprises a plurality of original wind turbines arranged at distributed positions within the site. Historical data related to the original wind turbines is retrieved. The historical data is collected over a previous time period and during operation of the original wind turbines. Meteorological conditions at the site of the wind energy plant are estimated based on the retrieved historical data. The repowering of the wind energy plant is planned based on the estimated meteorological data, including planning replacement of the original wind turbines by replacement wind turbines to be positioned at the positions of the original wind turbines.

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NEODYMIUM-IRON-BORON MAGNET MATERIAL, RAW MATERIAL COMPOSITION PREPARATION METHOD THEREFOR AND USE THEREOF

Publication No.: US2023023534A1 26/01/2023

Applicant:

FUJIAN CHANGTING GOLDEN DRAGON RARE EARTH CO LTD [CN]

KR_20220108182_PA

Absstract of: US2023023534A1

Disclosed are a neodymium-iron-boron magnet material, a raw material composition, a preparation method therefor and a use thereof. The raw material composition of the neodymium-iron-boron magnet material comprises the following components in weight content: R: 28-33%; R being rare earth elements, and comprising R1 and R2, R1 being a rare earth element added during smelting, R1 comprising Nd and Dy, R2 being a rare earth element added during grain boundary diffusion, R2 comprising Tb, and the content of R2 being 0.2-1%; M: ≤0.4% but not 0, M being one or more elements among Bi, Sn, Zn, Ga, In, Au and Pb; Cu: ≤0.15% but not 0; B: 0.9-1.1%; Fe: 60-70%; but not containing Co. The neodymium-iron-boron magnet material under the condition of adding a small amount of heavy rare earth elements and not adding cobalt, can still have a relatively high coercivity and remanence, and excellent thermal stability.

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WIND TURBINE BLADE

Publication No.: US2023022674A1 26/01/2023

Applicant:

VESTAS WIND SYS AS [DK]

CN_115038861_PA

Absstract of: US2023022674A1

There is provided a wind turbine blade extending longitudinally in a spanwise direction between a root end and a tip end, and transversely in a chordwise direction between a 5 leading edge and a trailing edge. The wind turbine blade comprises an outer shell defining a substantially hollow interior, and a shear web arranged inside the outer shell and extending longitudinally in the spanwise direction. The shear web comprises an elongate web panel and a mounting flange extending along a longitudinal edge of the web panel, the mounting flange comprising an inboard end portion defining a root end of 10 the mounting flange and an outboard portion defining a tip end of the mounting flange. The outboard portion extends along a majority of the length of the elongate web panel. The inboard end portion of the mounting flange is bonded to an inner surface of the blade shell by a first adhesive, and the outboard portion of the mounting flange is bonded to the inner surface of the blade shell by a second adhesive. The first adhesive has a 15 lower elastic modulus than the second adhesive, and/or a chordwise width of the inboard end portion of the mounting flange is enlarged in comparison to a chordwise width of the outboard portion of the mounting flange adjacent to the inboard end portion.

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HIGH-LOW VOLTAGE CONTINOUS RIDE-THROUGH CONTROL METHOD AND SYSTEM FOR PERMANENT MAGNET DIRECT-DRIVE WIND POWER GENERATING SET

Publication No.: US2023022678A1 26/01/2023

Applicant:

XINJIANG GOLDWIND SCIENCE & TECH CO LTD [CN]

BR_112022011464_A2

Absstract of: US2023022678A1

The present application provides a method and a system for controlling continuous low voltage ride-through and high voltage ride-through of a permanent magnet direct-driven wind turbine. The method includes: determining a transient time period during which the wind turbine is transitioned from a low voltage ride-through state to a high voltage ride-through state; controlling the wind turbine to provide, during the transient time period, a gradually increasing active current to the point of common coupling; and controlling the wind turbine to provide, during the transient time period, a reactive current to the point of common coupling according to an operation state of the wind turbine before the low voltage ride-through state.

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WIND TURBINE SYSTEM

Publication No.: US2023021639A1 26/01/2023

Applicant:

PATEL NEVILLE [US]

Absstract of: US2023021639A1

Wind turbine systems with wind directors are disclosed. The wind director is configured to simultaneously reduce drag force applied to a returning blade and increase force applied to an advancing blade. In some embodiments, the wind director includes an inlet having an inlet width configured to receive wind at a proximal end, and an outlet having an outlet width on a distal end opposite the proximal end. The wind director is configured to position near a wind turbine such that wind exiting the outlet is applied to an advancing blade of the wind turbine. Furthermore, the wind director provides a barrier to a returning blade opposite the first blade, thereby reducing drag force applied thereto. The wind director may further comprise a secondary duct which has an angled outlet and is configured to apply an additional force to the returning blade.

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WIND TURBINE OSCILLATION DETECTION

Publication No.: US2023021757A1 26/01/2023

Applicant:

VESTAS WIND SYS AS [DK]

WO_2021139863_A1

Absstract of: US2023021757A1

A wind turbine comprising: a tower; a first arm extending from the tower; a first rotor-nacelle assembly disposed on the first arm; a first movement sensor disposed on the first arm or on the first rotor-nacelle assembly and arranged to generate first movement data based on movement of the first arm or of the first rotor-nacelle assembly; a second arm extending from the tower; a second rotor-nacelle assembly disposed on the second arm; a second movement sensor disposed on the second arm or on the second rotor-nacelle assembly and arranged to generate second movement data based on movement of the second arm or of the second rotor-nacelle assembly; and a control system coupled to the first and the second movement sensors and arranged to receive and to process the first and second movement data; wherein the control system is arranged to determine an oscillation characteristic of the wind turbine from the first and the second movement data.

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WIND ENERGY GENERATION SYSTEM

Publication No.: US2023025617A1 26/01/2023

Applicant:

ELECTRIC POWER DEV CO [JP]

GB_2605898_PA

Absstract of: US2023025617A1

A wind energy generation system includes a tower, a nacelle provided in an upper portion of the tower to be rotatable around a central axis of the tower, a hub provided in front of the nacelle to be rotatable around an axis orthogonal to the central axis, and one or more blades provided in the hub. The hub includes a hub body portion to which the blades are attached, and a fitting protruding portion that protrudes from a back surface side of the hub body portion. A fitting portion having an opening portion is provided in front of the nacelle, and the fitting protruding portion is fitted into the fitting portion from the opening portion. In the wind energy generation system, outflow of oil to the outside of the generation system can be inhibited.

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CLOUD-BASED TURBINE CONTROL FEEDBACK LOOP

Publication No.: US2023028800A1 26/01/2023

Applicant:

VAYUAI CORP [US]

US_2021317819_A1

Absstract of: US2023028800A1

A method and apparatus for applying optimized yaw settings to wind turbines including receiving operating data from at least one wind turbine on a wind farm and sending the data to a supervisory control and data acquisition (SCADA) system on the at least one wind turbine to generate current SCADA data. The current SCADA data is sent a central processing center away from the wind farm. The central processing center includes an optimization system that can generate a new look up table (LUT) including at least one new wind turbine yaw setting calculated using information comprising wind direction, wind velocity, wind turbine location in the wind farm, information from a historic SCADA database, and yaw optimizing algorithms. The new LUT is then sent to a yaw setting selection engine (YSSE) where instructions regarding the use of the new LUT are generated.

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VERTICAL WIND TURBINE WITH CONTROLLED TIP-SPEED RATIO BEHAVIOR, KIT FOR SAME, AND METHOD FOR OPERATING SAME

Publication No.: US2023027223A1 26/01/2023

Applicant:

AGILE WIND POWER AG [CH]

US_2020149508_A1

Absstract of: US2023027223A1

A vertical wind turbine with a plurality of vertical blades, which are each fastened to a respective vertical blade axis, such that they are pivotable around a respective blade rotation axis (C7) independently of one another, and are supported rotatable on a common circular path (K) around a vertical rotor rotation axis (C2), and a method for operating the vertical wind turbine, wherein pitch angles (β) of vertical blades of the vertical wind turbine, which are driven around a respective vertical blade axis, are predetermined. The pitch angle (β), at least in a partial load mode of the vertical wind turbine (1), is controlled such that the blades (7) rotate with an essentially constant tip speed ratio (λ).

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COOLING OF ACTIVE ELEMENTS OF ELECTRICAL MACHINES

Publication No.: US2023023771A1 26/01/2023

Applicant:

GENERAL ELECTRIC RENOVABLES ESPANA SL [ES]

Absstract of: US2023023771A1

The present disclosure relates to electrical machines and methods for cooling active elements of electrical machines. More in particular, the present disclosure relates to rotors of electrical machines. An electrical machine may for example be a generator for a direct drive wind turbine. An electrical machine comprises a rotor comprising a plurality of active rotor elements, a stator comprising a plurality of active stator elements, and an air gap separating the active rotor elements and the active stator elements. The rotor further comprises one or more rotor openings configured for letting air flow enter the electrical machine and cool the active rotor elements and/or active stator elements in response to a rotation of the rotor.

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WIND TURBINE AND POWER TRANSMISSION SYSTEM FOR SUCH

Publication No.: US2023022718A1 26/01/2023

Applicant:

VESTAS WIND SYS AS [DK]

CN_115038865_PA

Absstract of: US2023022718A1

The invention relates to a wind turbine comprising a hub, a nacelle, a tower and a power transmission system for increasing the rotational speed from said hub, said power transmission system comprising at least a first and a second epicyclic gear stage, each of said epicyclic gear stages including a ring gear, a planet carrier and a plurality of planet gears, said plurality of planet gears being mounted in the planet carrier and engaging with the ring gear and with a sun gear; wherein each of said plurality of planet gears of at least said first epicyclic gear stage and said second epicyclic gear stage have identical gear profile design parameters.

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OFFSHORE WIND TURBINE WITH A FLUID SUPPLY ASSEMBLY COMPRISING A CLEANING UNIT

Publication No.: US2023028770A1 26/01/2023

Applicant:

SIEMENS GAMESA RENEWABLE ENERGY AS [DK]

CN_115638082_PA

Absstract of: US2023028770A1

An offshore wind turbine erected in a body of water includes a generator, a foundation, a nacelle, a tower having a first end mounted to the foundation and a second end supporting the nacelle, an electrolytic unit arranged above a water level and electrically powered by the generator to produce hydrogen from an input fluid, in particular water, and a fluid supply assembly for supplying the input fluid from a fluid inlet arranged below the water level to the electrolytic unit by means of a fluid connection, wherein the fluid supply assembly includes a cleaning unit configured to clean a build-up formed along an area extending through the inner part of at least a part of the fluid connection or formed at the fluid inlet.

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EXHAUST AND ELECTRICAL GENERATION SYSTEM

Publication No.: US2023028761A1 26/01/2023

Applicant:

ALTERNATIVE SUSTAINABILITY IP LLC [US]

Absstract of: US2023028761A1

An exhaust system for generating electricity is disclosed. The exhaust system for generating electricity uses a specially configured housing, a plurality of static velocity increasing devices, a turbine, and a fan to generate electricity and concurrently exhaust air from a building. In particular, the specially configured housing preferably is designed to be significantly more aerodynamic and reduces any turbulence inside the housing.

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RIVER VENTURI POWER AMPLIFICATION, STORAGE AND REGENERATION SYSTEM AND METHOD

Publication No.: US2023026500A1 26/01/2023

Applicant:

MATHERS HYDRAULICS TECH PTY LTD [AU]

CN_115614205_PA

Absstract of: US2023026500A1

Methods, systems and apparatuses including systems and methods that can be used for operating a hydrokinetic turbine such as along one or more flow channels of a river for power generation is disclosed. The hydrokinetic turbine can be positioned within the one or more flow channels or can be shaped to form one or more flows and can be turned by the flow of the river.

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ASSEMBLY FOR INSTALLING AN ABOVE-SURFACE STRUCTURE IN WATER-COVERED GROUND, IN PARTICULAR FOR THE MONOPILE-INSTALLATION OF AN OFFSHORE WIND TURBINE, AND METHOD FOR MOUNTING SAME

Publication No.: WO2023001879A1 26/01/2023

Applicant:

VALLOUREC DEUTSCHLAND GMBH [DE]

DE_102021119100_PA

Absstract of: WO2023001879A1

The invention relates to an assembly (1) for installing an above-surface structure (8) in water-covered ground, in particular for the monopile-installation of an offshore wind turbine, having at least one coupling structure (3) resting on a ground (4) which can be anchored to the ground (4) via at least one foundation element (5) and to which a supporting structure (2) can be secured for supporting the above-surface structure (8). In order to achieve a high level of environmental compatibility for the foundation structure (1) during installation as well as to achieve simple and cost-effective installation, it is proposed that the at least one coupling structure (3) is arranged within the supporting structure (2), within a lower end (2a) of the supporting structure (2). The invention also relates to alternative methods for mounting this installing assembly (1) on ground (4).

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VOLTAGE CONTROL LOOP FOR MITIGATING FLICKER IN A GRID-FORMING INVERTER-BASED RESOURCE

Nº publicación: EP4123861A2 25/01/2023

Applicant:

GENERAL ELECTRIC RENOVABLES ESPANA SL [ES]

CN_115642634_PA

Absstract of: EP4123861A2

A method for mitigating voltage disturbances at a point of interconnection (POI) of a grid-forming inverter-based resource (IBR) due to flicker includes receiving a voltage reference command and a voltage feedback. The voltage feedback contains information indicative of the voltage disturbances at the POI due to the flicker. The method also includes determining a power reference signal for the IBR based on the voltage reference command and the voltage feedback. Moreover, the method includes generating a current vector reference signal based on the power reference signal, the current vector reference signal containing a frequency component of the voltage disturbances. Further, the method includes generating a transfer function of a regulator based on the frequency component to account for the flicker effect. In addition, the method includes generating a current vector based on a comparison of the current vector reference signal and a current vector feedback signal. Thus, the method includes regulating a voltage vector command using the current vector to mitigate the voltage disturbances.

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