WO2015132187A1 - Procédé et dispositif servant à régler une pale de rotor pour une éolienne - Google Patents

Procédé et dispositif servant à régler une pale de rotor pour une éolienne Download PDF

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Publication number
WO2015132187A1
WO2015132187A1 PCT/EP2015/054271 EP2015054271W WO2015132187A1 WO 2015132187 A1 WO2015132187 A1 WO 2015132187A1 EP 2015054271 W EP2015054271 W EP 2015054271W WO 2015132187 A1 WO2015132187 A1 WO 2015132187A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
blade
information
wind turbine
determining
Prior art date
Application number
PCT/EP2015/054271
Other languages
German (de)
English (en)
Inventor
Boris Buchtala
Martin Voss
Felix Hess
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2015132187A1 publication Critical patent/WO2015132187A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • F05B2260/966—Preventing, counteracting or reducing vibration or noise by correcting static or dynamic imbalance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/331—Mechanical loads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the present invention relates to a method for rotor blade adjustment for a wind turbine, to a corresponding device for rotor blade adjustment for a wind turbine and to a corresponding computer program.
  • the presented approach is based on the finding that manufacturing tolerances lead to differences in the aerodynamic behavior and thereby to different forces acting on the rotor blades.
  • the pitch angle of a rotor blade By changing the pitch angle of a rotor blade, the forces can be changed.
  • the pitch angles of the plurality of rotor blades may be adjusted so that the forces acting on each rotor blade are equal.
  • a wind turbine comprising a rotor having a plurality of rotor blades, the method comprising the steps of:
  • a wind power plant can be understood as a wind energy plant.
  • a wind turbine may include a rotor having a plurality of rotor blades. The rotor may have two rotor blades. In particular, the rotor may have three rotor blades.
  • a blade load signal can be detected and provided. Thus, a blade load signal can be read in for each rotor blade.
  • a blade load signal may represent a load or an average load of a rotor blade during at least one rotation of the rotor.
  • a pitch angle can be set for each rotor blade.
  • a pitch angle can be understood as an angle of attack of the rotor blade or an angle about which the rotor blade is rotated about its longitudinal axis.
  • a default for a pitch angle may be the same for the majority of the rotor blades.
  • a correction angle for the pitch angle may be determined for each rotor blade of the rotor.
  • the correction angle and the pitch angle command from a speed control can be added to be used as a sizing.
  • the plurality of blade load signals may represent a load, in particular an average load, per rotor blade of the plurality of rotor blades during at least one rotation of the rotor.
  • measurement errors can thus be compensated.
  • the read-in plurality of sheet load signals may be under
  • a signal at least one strain gauge and additionally or alternatively an optical sensor and additionally or alternatively an inertial sensor per rotor blade can be determined.
  • the sensors may provide sensor signals representing blade load of the rotor blade. So it can be with the majority of
  • Leaf load signals to act on sensor signals can be determined via a mean blade deflection.
  • a blade deflection can be determined with a laser-based measuring system.
  • recourse can be had to existing sensor signals in a wind power plant.
  • an aerodynamic imbalance may be determined using the plurality of blade load signals.
  • the step of determining the plurality of correction angles for the pitch angle per rotor blade can be determined using the aerodynamic unbalance to reduce the aerodynamic imbalance.
  • at least one leaf load signal per rotor blade can represent a load for the associated rotor blade.
  • an average load for all rotor blades can be determined and each rotor blade a deviation from the average load can be determined. This is simply an aerodynamic imbalance determined.
  • a correction signal using the plurality of correction angles may be provided to adjust the plurality of rotor blades.
  • the correction signal may represent the correction angle. It can do that
  • Correction signal can be easily and efficiently provided to a control unit for adjusting the pitch angle.
  • a closed loop can be formed.
  • information about a wind speed and information about an actual power of the wind turbine can be read in, and in a further step of determining, using the information about the wind speed actual performance of the wind turbine and the information about the wind speed, a performance quotient can be determined, and in the step of providing the correction signal can be provided using the power quotient, and in a step of optimizing at least the reading step, the further step of determining and the step of providing are repeated until the
  • Performance quotient reaches a maximum.
  • the wind speed can be understood as meaning a value representing a speed of the wind in the area of the wind turbine.
  • the pitch angles can be optimized in a partial load range for increased yield. A quotient of the actual power and a theoretical power calculated using the wind speed
  • Wind turbine can be optimized.
  • a hill-climbing algorithm can be used.
  • the plurality of sheet load signals read in the step of reading in are averaged to obtain a plurality of averaged sheet load signals and additionally or alternatively the information about the wind speed and the actual power information
  • Wind turbine to be averaged over averaged information
  • Wind speed and to obtain information about an average actual power Wind speed and to obtain information about an average actual power.
  • the further step of the determination can be made using the majority of the averaged ones
  • Leaf load signals and additionally or alternatively the information about an average
  • Wind speed and additionally or alternatively, the information about an average actual power the plurality of correction angles and additionally or alternatively the performance quotient can be determined.
  • a step in the middle can compensate for short-term fluctuations.
  • the plurality of leaf load signals, the wind speed, and the actual power information may be read in over a predefined period of time, and averaged values may be determined over the predefined time period.
  • the predefined period can be, for example, one minute, in particular 5 minutes or particularly advantageously 10 minutes. It also periods of different or varying duration can be used.
  • information about a power of at least one other wind turbine can be read in, wherein in the step of determining the plurality of Correction angles using the information about the performance of the others
  • Wind turbine can be determined.
  • further signals or information can be used for optimization.
  • uncertainties of a single sensor signal can be compensated.
  • a possibly failing sensor signal can be compensated.
  • the approach presented here also creates a device that is designed to implement or implement the steps of a variant of a method presented here in corresponding devices. Also by this embodiment of the invention in the form of a device, the object underlying the invention can be solved quickly and efficiently.
  • a device can be understood as meaning an electrical device which processes sensor signals and outputs control and / or data signals in dependence thereon.
  • the device may have an interface, which may be formed in hardware and / or software.
  • the interfaces can be part of a so-called system ASIC, for example, which contains a wide variety of functions of the device.
  • the interfaces are their own integrated circuits or at least partially consist of discrete components.
  • the interfaces may be software modules that are present, for example, on a microcontroller in addition to other software modules.
  • Program code which may be stored on a machine-readable medium or storage medium such as a semiconductor memory, a hard disk memory or an optical memory and for carrying out, implementing and / or controlling the steps of
  • the electricity production costs can be reduced at wind turbines.
  • Aerodynamic imbalances of the rotor can be advantageously reduced.
  • the loads on the wind turbine can decrease, the service life can rise and maintenance costs can be avoided.
  • the power in the Partial load range are maximized, so that the energy yield increases.
  • installation costs can be reduced according to one aspect of the present invention, since an exact adjustment of the pitch angle of the rotor blades during assembly is not required, but can then be carried out during operation.
  • the pitch angles of the rotor blades can be changed by constant offsets, which are adjusted in small steps.
  • the design of the pitch drives and blade bearings can be maintained unchanged.
  • the sensors for measuring the wind speed can already be present on the nacelle. Also a measurement of the performance of the
  • Wind turbine may already be available.
  • a sensor for measuring the sheet load can be retrofitted.
  • the demands on the life of the sheet sensors can be low.
  • the optimization of the pitch angle can be done during the first months of operation of the wind turbine. If a sensor subsequently fails, regular recalibration can not be carried out. Nevertheless, the wind turbine can continue to operate. An exchange of the sensors can then be carried out, for example, at the next regular maintenance.
  • Fig. 1 is a simplified representation of a wind turbine with a device for
  • FIG. 2 shows a schematic illustration of a device for rotor blade adjustment for a wind power plant according to an exemplary embodiment of the invention
  • Fig. 3 is a detail view of a rotor of a wind turbine according to a
  • Rotor blade of a wind turbine according to an embodiment of the invention
  • 5 shows a detailed representation of a rotor blade of a wind power plant with a measurement of a blade load according to an exemplary embodiment of the invention
  • FIG. 6 is a flowchart of a method for rotor blade adjustment for a
  • Wind turbine according to an embodiment of the invention.
  • FIG. 1 shows a simplified representation of a wind turbine 100 with a device 102 for rotor blade adjustment according to an embodiment of the invention.
  • the wind power plant 100 has a rotor 104 with three rotor blades 106.
  • a sensor 108 is arranged to determine a rotor blade load for the rotor blade 106.
  • the sensor 108 is configured to provide a blade load signal 110.
  • a sensor signal of the sensor 108 correspond to the blade load signal 110.
  • the sensor 108 is a strain gauge 108, an optical sensor 108 or an inertial sensor 108.
  • the blade load signal 110 represents a load of the rotor blade.
  • a pitch angle 1 12 is adjustable for each rotor blade 106.
  • the pitch angle 1 12 is adjustable via a pitch angle signal.
  • the pitch angle signal is composed of a signal for a desired angle for the pitch angle, for example one
  • Correction angle is determined in the device 102 for rotor blade adjustment, wherein a correction angle is determined for each rotor blade 106.
  • Rotor blade adjustment is shown and described in more detail in FIG.
  • the wind power plant 100 has a sensor 1 14 for detecting the wind speed.
  • the sensor 1 14 is depending on the sensor Embodiment by an anemometer 1 14, a LIDAR-based wind sensor 1 14 or another sensor 1 14, which is adapted to detect a wind speed.
  • the wind is represented by a wind speed 1 16 representing arrows in Fig. 1.
  • One aspect of the rotor blade adjustment apparatus 102 is to continuously monitor the aerodynamic imbalance during operation and optionally add offsets to the pitch angles for the individual rotor blades to reduce the aerodynamic imbalance.
  • a possibility is provided to optimize the energy yield of the rotor 104 by optimizing the pitch angles 1 12 of the rotor blades 106 in the partial load range to the pitch angle 1 12 required for the optimum performance.
  • the device 102 for rotor blade adjustment is designed to perform a measurement of the resulting from the aerodynamic forces load of the rotor blades 106 and to receive corresponding signals. Subsequently, the
  • Pitch angle 1 12 of the rotor blades 106 adapted so that the average measured load during a rotor rotation in the three rotor blades 106 is identical.
  • the power of the wind turbine 100 is measured in an embodiment in the partial load range.
  • the pitch angle 1 12 of the three rotor blades 106 is varied in small steps, wherein it is attempted to increase the power at the rotor 104.
  • Wind turbines 100 there are different sensors 108 for measuring the load of the rotor blades 106. Wind turbines 100 are partially already equipped with such sensors 108, for example, for condition monitoring of the rotor blades, also referred to as "condition monitoring”.
  • strain gauges attached to the blade root of the rotor blades 106 are used to measure the loading of the rotor blades 106. These sensors 108 measure the local strain resulting from the blade loading. However, the measurement results on different rotor blades 106 may differ if the sensors 108 were not glued at exactly the same location or if the wall thickness in the region of the sensors 108 between the two
  • Rotor blades 106 different. Because of this, a measurement is global
  • Sheet loading of advantage This is the blade deflection in the wind direction, as well Impact bending referred to, measured. This is possible, for example, by measuring the displacement of markings in the rotor blade 106 with a camera, or by means of laser or radar inside or outside the rotor blade 106, the deflection of prominent points, such as blade tip or special markings of the
  • Rotor blade 106 is determined. In this type of measurement have local
  • FIG. 2 shows a schematic representation of a device 102 for rotor blade adjustment for a wind power plant according to an embodiment of the invention.
  • Wind turbine can be an embodiment of a shown in Fig. 1
  • Wind turbine 100 act.
  • the device 102 has an interface 220 for reading in a plurality of sheet load signals 110.
  • a blade load signal 110 represents an average load per rotor blade during a rotation of the rotor.
  • the device 102 has a device 222 for determining a plurality of correction angles
  • the apparatus 102 further includes an optional device 226 for determining an aerodynamic imbalance.
  • the device 226 is designed to determine the aerodynamic imbalance below
  • the device 102 includes the means 226 of determining, then the means 222 for determining is embodied, the plurality of correction angles for the pitch angle per rotor blade under
  • the device 102 includes an optional one
  • the correction signal 230 is provided using the plurality of correction angles 224.
  • the output interface 228 is configured to provide a plurality of correction signals 230, in which case a correction signal 230 is associated with a correction angle 224 for a pitch angle of a rotor blade.
  • the read-in interface 220 is configured to read in information about wind speed 16 and actual power 232 information.
  • a further means 234 for determining is designed to determine a power quotient q using the information about the actual power 232 and the information about the wind speed 1 16.
  • Optimizing means 236 for optimizing is formed, the aforementioned
  • Rotor blade resulting load changes per rotor blade are read in via the interface 220 for reading in as a load signal 1 10 and taken into account in a re-determining the correction angle 224.
  • a power of the wind power plant is advantageously maximized in a partial load range, so that the economic efficiency of the wind turbine is optimized.
  • the read-in interface 220 is designed to read in information about a power of another wind turbine.
  • the means 222 for determining is configured to determine the plurality of correction angles 224 using the information about the performance of the other wind turbine.
  • the device 102 shown in FIG. 2 has an optional averaging device 238 for averaging, which is configured to transmit the signals read in via the interface 220 over a predefined time for averaging and as averaged signals to the downstream device 222 for determining or further device 234 to provide for detection so that they are processed in place of the un-mean signals.
  • averaging device 238 for averaging is configured to transmit the signals read in via the interface 220 over a predefined time for averaging and as averaged signals to the downstream device 222 for determining or further device 234 to provide for detection so that they are processed in place of the un-mean signals.
  • the mean blade deflection in the direction of impact during one rotor revolution is determined, or alternatively the average blade load during one rotor revolution. Then the average load of the three rotor blades is compared. The pitch angles of the rotor blades are then corrected by small offsets to equalize the mean blade load of the three blades. This is possible through online optimization. The offsets are calculated so that the sum of the offsets is zero, so that the pitch angle averaged over the three rotor blades does not change. The behavior of the rotor blade adjustment device 102 to compensate for
  • the load offset is calculated for each rotor blade:
  • the pitch offsets thus found completely correct the aerodynamic differences caused by the different rotor blade geometries.
  • the program described with the aid of the pseudo-code may be run through daily or operated continuously, in which case a lower limit for k must be set and k should be increased again if very large offsets occur. Due to the regular or continuous operation also changes in the aerodynamic properties can be compensated by ice accumulation or leaf aging.
  • an optimization of the pitch angle in the partial load range for a maximum yield is performed in one exemplary embodiment.
  • the wind speed on the nacelle, the performance of the wind turbine and the average rotor blade load of the three blades are measured. These values are each averaged over a time interval, for example 10 minutes, then the quotient of average power and theoretical power is determined and this is maximized by varying the pitch angle by an optimizer.
  • a program described by the above pseudo-code implements the so-called hill-climbing algorithm. It can be improved by not only using performance as an optimization target, but also maximizing blade loading and hence aerodynamic forces in the part-load range.
  • further data for example, the measurement of wind speed before installation by LIDAR or a measuring mast.
  • the power at neighboring wind turbine plants can also be included in the calculation. Averaging over long time intervals (eg, 5 to 10 minutes) averages out the short term impact of turbulence and gusts.
  • the measured wind speed on the nacelle is affected by the influence of the rotor error.
  • the theoretical power calculated from this must not be correct in terms of the absolute value, since it serves only as a basis for comparison and the algorithm maximizes the quotient of actual power to theoretical power. This program should also be run regularly.
  • FIG. 3 shows a detailed representation of a rotor 104 of a wind power plant according to one exemplary embodiment of the invention.
  • the wind turbine can be a
  • Embodiment of a wind turbine 100 described in Fig. 1 act.
  • the rotor 104 has three rotor blades 106.
  • a rotor blade 106 is shown in a sectional view, so that the pitch angle 1 12 becomes clear. Of the two other rotor blades 106, the blade root is shown substantially.
  • the three rotor blades 106 are connected to a hub of the rotor 104.
  • FIG. 4 shows an illustration of strain gauges 440 in the region of a blade root of a rotor blade 106 of a wind power plant according to one exemplary embodiment of the invention.
  • the wind power plant can be an exemplary embodiment of a wind power plant 100 described in FIG. 1.
  • Fig. 4 shows in a sectional view through the blade root of the
  • Rotor blade 106 is a view inside the rotor blade 106 of the blade root to the tip of the rotor blade 106.
  • strain gauges 440 are arranged on an inner wall of the rotor blade 106.
  • strain gauges 440 are clearly visible in FIG. 4 at two points offset by 90 °.
  • Disengagement strain gauge 440 In the other two quadrants are Disengagement strain gauge 440.
  • the strain gauges 440 are a variant of a sensor 108 described in FIG. 1, which is designed to provide a blade load signal 110 or a signal representing the latter.
  • target pitch angles with constant offsets or temporally slowly varying offsets
  • FIG. 5 shows a detailed representation of a rotor blade 106 of a wind power plant with a measurement of a blade deflection according to an exemplary embodiment of the invention.
  • the wind power plant can be an exemplary embodiment of a wind power plant 100 described in FIG. 1.
  • a laser 542 is arranged at a blade root of the rotor blade 106.
  • a reflective wedge 544 is disposed on a surface.
  • a corresponding receiving means which is adapted to receive the reflection of a laser beam emitted by the laser 542 in the direction of the reflection wedge 544 laser beam and the distance from the laser to
  • Leaf deflection and thus represents a leaf load signal.
  • the blade angle difference between the rotor blades can be optically measured.
  • the downward-pointing rotor blade is photographed from the base of the tower and then the pitch angle of the blade tip is determined. This measurement can be carried out for all three rotor blades.
  • the difference in the pitch angle can be compensated by the rotor blades are released and mounted twisted by the corresponding differences.
  • the calculated differences can also be stored in the operational management of the wind turbine and taken into account in the calculation of the desired pitch angle. This procedure adjusts the pitch angle of the blade tips.
  • the difference in the pitch angle of the individual rotor blades during operation is adjusted using the device 102 described in FIG.
  • FIG. 6 shows a flowchart of a method for rotor blade adjustment for a
  • Wind turbine according to an embodiment of the invention.
  • the wind power plant can be an exemplary embodiment of a wind power plant 100 described in FIG. 1.
  • the wind turbine comprises a rotor having a plurality of
  • a step 610 of the reading in and a step 620 of the determining form a core of the presented embodiment.
  • a plurality of sheet load signals are read.
  • the plurality of blade load signals represents an average load per rotor blade of the plurality of rotor blades during a rotation.
  • a plurality of correction angles for a pitch angle per rotor blade of the plurality of rotor blades is determined using the plurality of blade load signals.
  • the leaf load signals read in step 610 of the read in are signals determined using a strain gauge, an optical sensor, or an inertial sensor.
  • the method includes a step 630 of determining, preceding step 620, of determining an aerodynamic imbalance using the plurality of blade load signals. If the rotor blade adjustment method includes determining step 630, in step 620 of the determination, the plurality of pitch angle correction angles are determined using the aerodynamic imbalance.
  • the method optionally includes a step 640 of providing a correction signal, wherein the correction signal is determined using the plurality of correction angles.
  • the correction signal represents the plurality of correction angles.
  • Correction signal is suitable, the plurality of rotor blades of the wind turbine
  • the method comprises a further step 650 of the determination and a step 660 of the optimization.
  • step 610 of the read-in information about a wind speed and, additionally or alternatively, information about an actual power of the wind power plant are read in.
  • step 650 of the determination a performance quotient is determined using the information about the actual performance of the wind turbine and the information about the wind speed.
  • step 640 of providing the correction signal is provided using the power quotient.
  • the performance quotient is suitable in order to set the correction signal or the plurality of correction angles of the type such that optimum performance of the wind power plant also in one, by a sequential variation of an offset for the pitch angle and repeated execution of the method
  • step 660 of the optimization the steps of
  • the predefined threshold value of the type is selected such that a compromise is achieved between a running time of the method with the step of optimizing and optimum performance.
  • the plurality of sheet load signals read in step 610 of the reading in are averaged to obtain a plurality of averaged sheet load signals. If, in step 610 of the reading in, information about the wind speed and information about the actual power of the
  • Wind power plant are read in, the information about the wind speed and the information about the actual power over a predefined time interval are averaged in step 670 of Mittein to obtain information about an averaged
  • Wind speed and to obtain information about an average actual power of the wind turbine In the subsequent step 630 of determining, using the plurality of averaged blade load signals, the aerodynamic imbalance is determined. In the subsequent step 620 of the determination and additionally or alternatively the further step 650 of the determination, using the plurality of averaged leaf load signals and additionally or alternatively the information about the averaged wind speed and additionally or alternatively the information about an average actual power, the plurality of Correction angles and additionally or alternatively the performance quotient determined.
  • step 610 of the reading information about at least one power of at least one other wind turbine is read and in step 620 of the determination, the plurality of correction angles are determined using the information about the power of the at least one further wind turbine.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un procédé servant à régler une pale de rotor pour une éolienne (100). L'éolienne (100) comporte un rotor (104) pourvu d'une pluralité de pales de rotor (106). Le procédé comprend une étape consistant à lire une pluralité de signaux de charge de pale (110) et une étape consistant à déterminer une pluralité d'angles de correction (224) pour un angle d'inclinaison (112) par pale de rotor (106) de la pluralité de pales de rotor (106) en utilisant la pluralité de signaux de charge de pale (110).
PCT/EP2015/054271 2014-03-05 2015-03-02 Procédé et dispositif servant à régler une pale de rotor pour une éolienne WO2015132187A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014204017.5A DE102014204017A1 (de) 2014-03-05 2014-03-05 Verfahren und Vorrichtung zur Rotorblatteinstellung für eine Windkraftanlage
DE102014204017.5 2014-03-05

Publications (1)

Publication Number Publication Date
WO2015132187A1 true WO2015132187A1 (fr) 2015-09-11

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WO (1) WO2015132187A1 (fr)

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EP3561295B1 (fr) * 2018-04-23 2020-11-04 Wölfel Engineering GmbH & Co. KG. Procédé de détermination d'un balourd aérodynamique d'un rotor d'une éolienne
DE102018007749A1 (de) * 2018-10-02 2020-04-02 Senvion Gmbh Verfahren und System zum Betreiben einer Windenergieanlage
DE102018007997A1 (de) * 2018-10-10 2020-04-16 Senvion Gmbh Verfahren und System zum Betreiben einer Windenergieanlage
DE102019128233A1 (de) * 2019-10-18 2021-04-22 Senvion Gmbh Vorrichtung zur Blattwinkeleinstellung von Rotorblättern einer Windenergieanlage

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WO2010016764A1 (fr) * 2008-08-07 2010-02-11 Stichting Energieonderzoek Centrum Nederland Système et procédé pour compenser un déséquilibre de rotor dans une éolienne
WO2013182204A1 (fr) * 2012-06-08 2013-12-12 Vestas Wind Systems A/S Procédé de fonctionnement d'une éolienne et système approprié
EP2693049A2 (fr) * 2012-08-02 2014-02-05 General Electric Company Système et procédé de commande pour atténuer un déséquilibre de rotor sur une éolienne

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US20090295159A1 (en) * 2006-04-26 2009-12-03 Alliance For Sustainable Energy, Llc Adaptive Pitch Control for Variable Speed Wind Turbines
WO2010016764A1 (fr) * 2008-08-07 2010-02-11 Stichting Energieonderzoek Centrum Nederland Système et procédé pour compenser un déséquilibre de rotor dans une éolienne
WO2013182204A1 (fr) * 2012-06-08 2013-12-12 Vestas Wind Systems A/S Procédé de fonctionnement d'une éolienne et système approprié
EP2693049A2 (fr) * 2012-08-02 2014-02-05 General Electric Company Système et procédé de commande pour atténuer un déséquilibre de rotor sur une éolienne

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