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WO2014191067A1 - Procédé permettant de faire fonctionner un parc éolien - Google Patents

Procédé permettant de faire fonctionner un parc éolien Download PDF

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Publication number
WO2014191067A1
WO2014191067A1 PCT/EP2014/000598 EP2014000598W WO2014191067A1 WO 2014191067 A1 WO2014191067 A1 WO 2014191067A1 EP 2014000598 W EP2014000598 W EP 2014000598W WO 2014191067 A1 WO2014191067 A1 WO 2014191067A1
Authority
WO
WIPO (PCT)
Prior art keywords
wind
maintenance
wind turbines
wind turbine
forecast
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2014/000598
Other languages
German (de)
English (en)
Inventor
Niko Mittelmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Senvion GmbH
Original Assignee
Senvion 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 Senvion GmbH filed Critical Senvion GmbH
Publication of WO2014191067A1 publication Critical patent/WO2014191067A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F03D7/04—Automatic control; Regulation
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • F03D7/048—Automatic control; Regulation by means of an electrical or electronic controller controlling wind farms
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • 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
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/96—Mounting on supporting structures or systems as part of a wind turbine farm
    • 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
    • F05B2260/82—Forecasts
    • F05B2260/821—Parameter estimation or prediction
    • 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
    • F05B2260/82—Forecasts
    • F05B2260/821—Parameter estimation or prediction
    • F05B2260/8211—Parameter estimation or prediction of the weather
    • 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
    • F05B2270/10—Purpose of the control system
    • F05B2270/20—Purpose of the control system to optimise the performance of a machine
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • 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 invention relates to a method for operating a wind energy plant with multiple wind turbines, wherein at least a number of wind turbines are to perform maintenance.
  • wind turbines of a wind turbine park and also electronic or electrical components such as substations, transformers and the like require a certain maintenance, especially repairs. While appropriate maintenance is carried out, the wind turbines to be serviced are to be shut down or to run in a reduced-power mode. This leads to yield losses of the operator.
  • a wind turbine has a sensor for receiving state data of the wind turbine
  • the logic module for determining deviations between the state data and an associated comparison value is designed
  • the calculator determined from the ratio of actually generated amount of electrical energy to potentially producible total amount related to the wind turbine availability value, the calculation model determined at a deviation detected by the logic module a probability of failure of the wind turbine, the Re Chen module merges the availability value and the probability of failure to a repair priority and wherein the monitoring center assigns the repair priority of the wind turbine.
  • This object is achieved by a method for operating a wind energy plant with multiple wind turbines, wherein at least a number of wind turbines are to carry out maintenance work, with the following process steps:
  • the sequence in which maintenance work is to be carried out in order to achieve the lowest possible yield loss of the wind energy plant park. For example, it ensures that wind turbines are maintained, which are in the slipstream of other wind turbines. It is preferable to maintain these wind turbines as long as a corresponding wind direction prevails, since the wind turbines lying in the slipstream have a lower energy yield than the freestanding wind turbines arranged upstream in the wind direction.
  • the determination of loss of earnings means the determination of expected loss of earnings. For example, if it is known that the meteorological conditions in a week from today's time look like that more ice formation is pending, preferably maintenance work can be carried out because due to the formation of ice, the energy yield of the wind turbine park is likely to be reduced.
  • maintenance work on some of the park's wind turbines may be scheduled at that time in some areas where de-rated operation of the wind turbines is required at certain times, such as in twilight periods where bat flying is likely to increase.
  • the control of the operation here preferably includes the execution that the service personnel the order of the maintenance to be performed is displayed and the staff manually shut down the wind turbine or wind turbines on site.
  • the determination of yield losses of the wind energy installations preferably takes place as a function of the forecast of the meteorological condition by means of a stored yield matrix of the wind energy plant park and / or by means of computational simulation on the basis of the forecast of the meteorological data. For example, it can be simulated by calculation how high yield losses are with corresponding wind directions, wind speeds and a corresponding air density for the various wind turbines or the locations of the wind turbines of a wind turbine park.
  • a forecast of the yield losses is made as a function of the meteorological conditions.
  • a yield matrix can be carried out, for example, by means of a method which is described in DE 10 201 1 081 241 A1.
  • a corresponding income Matrix can also be created by means of a method which is described for example in DE 1 0 201 1 003 799 B3.
  • the method is carried out anew on the basis of an updated forecast of meteorological conditions.
  • the yield loss of the wind energy plant due to maintenance work is reduced considerably.
  • the object is achieved according to the invention and particularly preferably by a method for operating a wind energy plant with multiple wind turbines, wherein at least a number of wind turbines are to carry out maintenance work, with the following method steps:
  • This method according to the invention leads to a very precise analysis of the sequence of maintenance operations to be performed and thus to an optimized energy yield of the wind energy plant park.
  • the object is further achieved according to the invention and particularly preferably by a method for operating a wind energy plant park having a plurality of wind energy installations, wherein maintenance work is to be carried out in at least a number of wind energy installations, with the following method steps:
  • a wind energy plant arranged in the slipstream of a wind turbine that has been shut down for maintenance generates a higher yield in comparison to the operation of the wind energy turbine in an operating windshield generating wind energy plant.
  • This process step makes the knowledge that the loss of yield or the reduction in yield of a wind energy plant standing in the slipstream of another wind energy plant is lower when the other wind energy plant itself is not in operation, but is shut down.
  • the shutdown of the wind energy installation arranged upstream in the wind direction essentially no energy is taken from the wind, which is why the wind power plant standing in the slipstream to this wind energy installation can utilize the full energy of the wind.
  • a travel time, transport costs, spare parts logistics and / or grouping effects are taken into account.
  • the travel time to get to a wind turbine for maintenance as this changed on the one hand, the duration of maintenance and change in meteorological conditions these play a role.
  • the economic losses may weigh against each other, so that a shorter travel time would be preferred.
  • the consideration of grouping effects includes in particular the consideration of different plant types in a wind turbine park. It may be useful, for example, in a first maintenance cycle in all wind turbines with a hydraulic pitch system or Rotorblattwinkelverstellsys- tem the hydraulic oil and in a second maintenance cycle in all wind turbines with an electric pitch system or Rotorblattwinkelverstellsystem the accumulators of these systems To deceive.
  • grouping effects occur when, for example, electrical components in the wind energy plant park have to be maintained.
  • some groups of wind turbines are usually provided in wind turbine parks in such a way that several wind turbines are arranged on a respective wiring harness, so that a number or subgroup of wind turbines of the wind turbine park is simultaneously de-energized when maintenance work on the electrical components to be performed.
  • Similar grouping effects occur when switching off transformer Stations, substations and so on, which concern more than just a wind turbine.
  • Such maintenance should be done in predicted periods of drought. It can also be ensured by providing several service teams that during the maintenance-related shutdown of a substation and the majority of the connected wind turbines is serviced.
  • the determination of the yield losses happens at predeterminable time intervals.
  • the forecast of the yield losses or the determination of the yield losses is preferably carried out in correspondingly predeterminable time intervals. For this purpose, in particular time intervals of one minute to one hour, in particular from five minutes to twenty minutes and more preferably from ten minutes to twenty minutes are provided.
  • the creation of the order of maintenance to be performed iteratively includes in particular that after the creation of a sequence of maintenance operations, according to which a wind turbine or a group of wind turbines is to be maintained first in a period of time, at the end of this period or after this period an order of maintenance to be carried out for the further wind turbines is created again ,
  • the iterative creation of the order of maintenance to be performed may also involve iteratively simulating or iteratively calculating how high the loss of revenue is when one or a group of wind turbines is shut down to determine the energy yield of the wind turbine park. In this case, a corresponding determination of the energy yield of the wind energy plant is done iteratively.
  • the forecast of meteorological conditions includes a wind speed and a direction.
  • past meteorological conditions in particular statistically
  • maintenance work which can be postponed in time is suspended at a future statistical forecast for predetermined meteorological conditions, shutdown or reduced power operation of the respective wind turbine.
  • this preferred embodiment of the method according to the invention is taken into account for certain situations that occur at certain locations in certain locations seasons and wind speeds, for example, certain wind directions and wind speeds with a high probability, so that, for example, can be considered that with a relatively high probability, for example a lull time is to be expected in a future period of time. It is then carried out with the maintenance work depending on the probability of maintenance work. waited ten preferred meteorological condition or suspended or the reduced power operation of the respective wind turbine exposed.
  • a plurality of wind energy installations are connected via an electrical train or a common transformer station and / or a common substation are provided for a plurality of wind energy plants in the wind energy plant park.
  • the object is also achieved by a method for operating a wind energy plant with multiple wind turbines, wherein at least a number of wind turbines are to carry out maintenance work, wherein the following method steps are carried out:
  • a plurality of scheduled maintenance or service operations is preferably specified
  • the wind turbines, on which maintenance work be temporarily shut down or run in a low-power operation are preferably the wind turbines, on which maintenance work be temporarily shut down or run in a low-power operation.
  • the object is achieved by a method for operating a wind energy plant with multiple wind turbines, wherein at least a number of wind turbines are to perform maintenance work, wherein the following method steps are performed:
  • the operation of the number of wind turbines is controlled so that the respective wind turbine, which is to be maintained or to be maintained, is temporarily shut down or led into a reduced-power operation.
  • the database in which the yield data are stored in the case of corresponding meteorological conditions of the past can be created, as in DE 10 201 1 081 241 A1, where the matrix named there corresponds to the database.
  • a corresponding database can be used, which is described in DE 10 201 1 003 799 B3.
  • the database has in its database fields the energy yield of the wind energy plant park and / or individual wind energy installations of the wind energy plant park, which prevail under certain meteorological conditions.
  • a database cell which is assigned to a specific wind direction and a specific wind force, be assigned the energy output of a single specific wind turbine and / or the energy yield of the entire wind turbine park and be assigned accordingly for each wind turbine, the energy yield of wind force and wind direction. Since it is to be expected over a certain extended period of time that a corresponding wind direction occurs more frequently in a given wind direction grid and a corresponding wind force in a predefined corresponding wind force grid, an average value for the energy yield can also be stored in the database and the number of occurrences of corresponding wind data ,
  • the wind speed and the wind direction or other weather data from a weather forecast model, then also the wind turbines to be maintained and the duration of the maintenance, as well as Number of possible parallel operations or parallel maintenance work. It can Then based on the weather forecast or weather forecast yield losses are downscaled to temporal means, such as ten minutes averages. The yield losses can thus be determined on the basis of the maintenance work and the maintenance work can be postponed accordingly iteratively in order to comply with the corresponding meteorological conditions. A maintenance working time sequence is then output, by means of which the lowest possible energy yield loss can be achieved.
  • Fig. 1 shows schematically a plan view of a wind energy plant park with 48 wind turbines at a given wind.
  • FIG. 1 shows a schematic plan view of a wind energy plant park with 48 wind turbines for a specific wind 50 with a wind direction and a wind force.
  • the wind energy plant park has the reference numeral 51.
  • the wind turbines are marked with the reference numbers 1 to 48.
  • the wind turbines 1 to 5 have an optimal flow and thus optimum energy yield.
  • the wind turbines 7, 9, 1 1 and 13 have an optimal energy yield, since they are exposed directly to the wind. All in the slipstream of these wind turbines standing wind turbines get the energy from the wind of the upstream wind turbines 1 to 5, 7, 9, 1 1 and 13 to feel and take the wind less energy and thus produce less power.
  • the wind power plant 36 and optionally also 20 would be serviced first, given a corresponding wind direction forecast according to the wind 50, since the energy yield loss is the lowest. It would also be attempted to postpone the maintenance of the wind turbine 1 to a later date, when the wind blows, for example, from the opposite direction. This can reduce the loss of revenue.
  • wind turbines could also be maintained in parallel.
  • the wind direction is as shown in Fig. 1, and later, for the major part of the duration of the maintenance, a storm is to be expected in, for example, the opposite direction
  • wind turbulence is generally higher, which means that behind a rear wind turbine in operation, the air is also mixed faster with high-energy flow, so that the flow of the energy extraction "recovered" faster
  • the energy yield of the wind turbines 21, 23, 24, 25 and 27 increases because for these wind turbines the distance to the next operating wind turbine increases and the flow thus has more time to accelerate.
  • the distances of the wind turbines are relatively large, can be taken into account in the order of maintenance that the time for the maintenance team, for example, to get from the wind turbine 28 to the wind turbine 1, is very large, so that this alone economic aspects are added preferably also to be considered.
  • a particularly delineated feature is preferably an optional feature. feature.

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  • Engineering & Computer Science (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 permettant de faire fonctionner un parc éolien (51) comprenant plusieurs éoliennes (1-48), des travaux d'entretien devant être réalisés sur au moins un certain nombre des éoliennes (1-48). Le procédé selon l'invention comprend les étapes suivantes : la création ou l'acquisition d'un pronostic des conditions météorologiques, la détermination des pertes de rendement des éoliennes (1-48) à partir du nombre d'éoliennes (1-48) sur lesquelles les travaux d'entretien doivent être effectués et en fonction du pronostic des conditions météorologiques, l'établissement d'une séquence de travaux d'entretien devant être effectués, la commande du fonctionnement du nombre d'éoliennes (1-48) sur lesquelles les travaux d'entretien doivent être effectués en fonction de la séquence établie des travaux d'entretien à effectuer pour que les travaux d'entretien soient réalisés ou puissent être réalisés. La commande du fonctionnement dudit nombre d'éoliennes (1-48) prévoit une mise à l'arrêt temporaire de chacune des éoliennes (1-48) ou un fonctionnement à puissance réduite de chacune des éoliennes (1-48), sur lesquelles des travaux d'entretien doivent être réalisés ou seront réalisés à un moment prédéfini.
PCT/EP2014/000598 2013-05-29 2014-03-10 Procédé permettant de faire fonctionner un parc éolien Ceased WO2014191067A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013210090.6 2013-05-29
DE102013210090.6A DE102013210090A1 (de) 2013-05-29 2013-05-29 Verfahren zum Betreiben eines Windenergieanlagenparks

Publications (1)

Publication Number Publication Date
WO2014191067A1 true WO2014191067A1 (fr) 2014-12-04

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PCT/EP2014/000598 Ceased WO2014191067A1 (fr) 2013-05-29 2014-03-10 Procédé permettant de faire fonctionner un parc éolien

Country Status (2)

Country Link
DE (1) DE102013210090A1 (fr)
WO (1) WO2014191067A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018000088A1 (de) 2018-01-09 2019-07-11 Senvion Gmbh Vefahren zum Betreiben eines Windkraftwerks, insbesondere Wartungssteuerung
EP3536950A1 (fr) 2018-03-06 2019-09-11 Senvion GmbH Procédé et système d'entretien d'une éolienne d'un groupe d'éoliennes
CN111295600A (zh) * 2017-10-30 2020-06-16 福斯4X股份有限公司 用于预报结冰条件下的风力发电场产量的方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015015596A1 (de) * 2015-12-04 2017-06-08 Senvion Gmbh Verfahren zum Überwachen einer Windenergieanlage
KR101704937B1 (ko) * 2015-12-07 2017-02-22 두산중공업 주식회사 기상정보를 기반으로 한 풍력설비의 정비방법 및 정비시스템
EP3839253B1 (fr) * 2019-12-20 2022-05-11 Wobben Properties GmbH Procédé de détermination d'une production d'énergie d'une éolienne

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US6975925B1 (en) * 2002-03-19 2005-12-13 Windlynx Systems, B.V. Forecasting an energy output of a wind farm
EP2148225A1 (fr) * 2008-07-22 2010-01-27 Siemens Aktiengesellschaft Procédé et agencement pour la prévision de ressources éoliennes
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WO2011095519A2 (fr) * 2010-02-05 2011-08-11 Vestas Wind Systems A/S Procédé de fonctionnement d'une centrale éolienne
DE102011081241A1 (de) * 2011-08-19 2013-02-21 Repower Systems Se Energieertragsverlustbestimmung einer Windenergieanlage

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EP2267305B1 (fr) * 2009-06-24 2016-01-13 Vestas Wind Systems A/S Procédé et système pour contrôler le fonctionnement d'une éolienne
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WO2011143531A2 (fr) * 2010-05-13 2011-11-17 University Of Cincinnati Technique de pronostics d'éolienne à éolienne pour fermes éoliennes
DE102011003799C5 (de) 2011-02-08 2017-10-26 Wobben Properties Gmbh Verfahren zum Bestimmen entgangener Energie

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Publication number Priority date Publication date Assignee Title
US6975925B1 (en) * 2002-03-19 2005-12-13 Windlynx Systems, B.V. Forecasting an energy output of a wind farm
EP2148225A1 (fr) * 2008-07-22 2010-01-27 Siemens Aktiengesellschaft Procédé et agencement pour la prévision de ressources éoliennes
DE102009004385A1 (de) * 2009-01-12 2010-07-15 Repower Systems Ag Verfahren und Anordnung zum Überwachen einer Windenergieanlage
WO2011095519A2 (fr) * 2010-02-05 2011-08-11 Vestas Wind Systems A/S Procédé de fonctionnement d'une centrale éolienne
DE102011081241A1 (de) * 2011-08-19 2013-02-21 Repower Systems Se Energieertragsverlustbestimmung einer Windenergieanlage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111295600A (zh) * 2017-10-30 2020-06-16 福斯4X股份有限公司 用于预报结冰条件下的风力发电场产量的方法
DE102018000088A1 (de) 2018-01-09 2019-07-11 Senvion Gmbh Vefahren zum Betreiben eines Windkraftwerks, insbesondere Wartungssteuerung
EP3536950A1 (fr) 2018-03-06 2019-09-11 Senvion GmbH Procédé et système d'entretien d'une éolienne d'un groupe d'éoliennes
DE102018001763A1 (de) 2018-03-06 2019-09-12 Senvion Gmbh Verfahren und System zum Warten einer Windenergieanlage aus einer Gruppe von Windenergieanlagen
CN110230575A (zh) * 2018-03-06 2019-09-13 森维安有限公司 维护一组风力发电设备的一个风力发电设备的方法和系统
US10711767B2 (en) 2018-03-06 2020-07-14 Senvion Gmbh Method and system for the maintenance of a wind energy installation from a group of wind energy installations

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