EP2462490A1 - Contrôle d'une installation en fonction de la dangerosité de son interaction avec une espèce animale - Google Patents
Contrôle d'une installation en fonction de la dangerosité de son interaction avec une espèce animaleInfo
- Publication number
- EP2462490A1 EP2462490A1 EP10762972A EP10762972A EP2462490A1 EP 2462490 A1 EP2462490 A1 EP 2462490A1 EP 10762972 A EP10762972 A EP 10762972A EP 10762972 A EP10762972 A EP 10762972A EP 2462490 A1 EP2462490 A1 EP 2462490A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- installation
- animal species
- operating state
- activity
- species
- 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
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4061—Avoiding collision or forbidden zones
-
- 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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- 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
-
- 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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0265—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/40—Robotics, robotics mapping to robotics vision
- G05B2219/40202—Human robot coexistence
-
- 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 the control of an installation as a function of the danger of its interaction with a surrounding animal species, and in particular the control of wind turbines that are inherently dangerous for certain flying animal species.
- the animal species transiting near these facilities may be endangered by the operation of these facilities. And conversely, these facilities can be damaged by these animal species, for example during accidental shocks with individuals of these species.
- any new wind turbine installation project will have to receive an opinion from public bodies and environmental authorities (such as the DIREN in France), which are likely to render a negative opinion with a view to preserving bats. protected.
- a wind turbine is presented with a detection device mounted on it.
- This device for example infrared, can detect the presence of an animal as a bat and cause the shutdown of the wind turbine.
- this solution has the disadvantage of requiring the presence of a detection device directly on the wind turbine.
- this solution therefore requires the adaptation of wind turbines with the pause of a detection device on each wind turbine, which is heavy and expensive to perform.
- this type of device implies that the stop signal of the wind turbine is given at the moment when the animal is actually detected, which implies that it is at a very short distance from the blades and that the collision is imminent.
- the complete shutdown of a wind turbine taking at least one minute it is likely that the collision will have actually occurred before the expiration of this period. It is therefore illusory to think that this device can be really effective in protecting flying animals.
- the present invention aims to overcome the aforementioned drawbacks.
- One of the objects of the present invention is to propose a simple method of controlling an installation so that it can be switched into a certain mode of operation having a lower level of dangerousness due to the interaction between the installation and a system. animal species living or transiting near the facility, depending on the activity of that animal species
- one of the objects of the present invention is to propose a simple method of controlling an installation so that it can be switched to a less dangerous mode of operation for an animal species living or transiting near the installation , depending on the activity of this species.
- Another object of the present invention is to provide a method for controlling an installation so that it can be switched into an operating mode reducing the potential risks of damage to the installation by an animal species living or transiting at a time. close to the facility, when this species has a strong activity.
- Another object of the present invention is to take into account, during the control of the installation, the possible loss of efficiency caused by the switchover of the installation in a less dangerous mode.
- Another object of the present invention is to model the activity of animals according to multidimensional systems modeled by decision trees, mathematical formulas or neural networks.
- the present invention proposes for this purpose a method for controlling an installation as a function of the activity of an animal species, said installation having at least a first operating state and a second operating state associated respectively with a first and a second level of danger due to the interaction between the plant and the animal species, the second level of danger being lower than the first level of danger, the method comprising a step of switching the plant from the first operating state to the first level of danger; second operating state, characterized in that the tilting is performed according to at least one criterion related to the activity of the animal species.
- the switchover is performed for at least one time interval determined according to the activity of the animal species, which allows a planned and simplified management of the switchover.
- the method comprises a previous step of determining the time interval using the measurement of an activity parameter of the animal species during a certain time period.
- the switching is performed according to the comparison of at least one measured climatic parameter with at least one threshold value.
- the method comprises a step of measuring the climatic parameter at a distance less than a limit distance of proximity. This ensures that the climatic conditions used to decide the changeover are those that apply locally to the installation.
- the tilting is performed if the measured wind speed is less than a first threshold value.
- the switchover is performed if the measured temperature is greater than a threshold value.
- the switching is performed further according to a criterion related to the performance of the installation. This makes it possible to find a compromise between the protection of the animal species in danger and the optimal use of the installation.
- the tilting is performed if the wind speed is lower than a second threshold value.
- the second operating state corresponds to a shutdown state of the installation, which makes it possible to completely eliminate the dangerousness of the installation.
- the installation is a facility converting wind energy into electrical energy and in that the animal species is a flying species.
- the flying animal species belongs to the order of chiroptera.
- the present invention also aims at a control device adapted to be connected to at least one installation and to switch said installation from a first operating state to a second operating state, and comprising processing means capable of implementing a method as described above and to send a state switch signal to said facility.
- the present invention also aims at a system with controlled danger as a function of the activity of an animal species comprising at least one facility that can be used in at least a first operating state and a second operating state associated with a first and a second level, respectively.
- the present invention furthermore relates to a computer program, downloadable via a telecommunication network and / or stored in a memory of a central unit and / or stored on a memory medium intended to cooperate with a reader of said central unit, characterized in that it includes instructions for performing the steps of a method as described above.
- FIG. 1 is a diagram illustrating the general principle of the present invention
- FIG. 2 illustrates the steps of a control method of an installation according to a first embodiment of the invention
- FIG. 3 illustrates the steps of a control method of an installation according to a second embodiment of the invention
- FIG. 4 is a tree diagram illustrating the tilting of a wind turbine in an operating state according to various criteria influencing the activity of bats
- FIG. 5 illustrates the taking into account of the efficiency of the installation to be tested in the process according to the present invention.
- FIG. 6 illustrates a wind turbine control system using the method according to the invention.
- Figure 1 which illustrates the general principle of the present invention.
- the method of the present invention applies to any installation having at least two operating states Ei and E 2 .
- installation is meant any equipment or device constructed by humans and potentially interacting with one or more animal species.
- the level of danger due to this interaction is similar to a level of danger for the animal species, and can be for example characterized by an average mortality rate of this species caused by the use of the species.
- the level of danger due to this interaction is similar to a level of risk of damage to the installation and can be characterized, for example, in a probability of damage to the installation by an individual of the surrounding animal species, when using the plant in a first operating state Ei.
- the installation has a first level of dangerousness, due to the interaction between the facility and an animal species, in its first operating state Ei, which can simply be its normal operating state.
- the idea of the present invention is to switch the installation, depending on the activity of the animal species in question, in a second operating state E 2 in which the installation has a lower level of dangerousness due to this interaction. for example, a lower level of danger for the animal species in question (which may be reflected, for example, by a mortality rate in the E 2 state lower than that of the first state Ei ) , or even a level of risk less damage to the installation.
- FIG. 1 illustrates a wind turbine whose first operating state Ei corresponds to the rotation of the blades at a certain speed Vi. This entails a danger for nearby flying species.
- the second operating state E 2 consists of using a reduced speed of rotation V 2 of the blades (where V 2 ⁇ Vi) in order to reduce the danger for the flying species.
- the level of risk of damage to the turbine related to the state Ei is higher than the level of risk of damage to the wind turbine related to the state.
- E 2 because an impact with an individual of a flying species would be less violently influenced by the kinetic energy of the wind turbine.
- the tilting of the first E1 state to the second state E 2 is carried out based on at least one criterion C 1 (or even more criteria C 11 C 1 ') linked to the activity of the species animal, for example by a causal link.
- a criterion may, among other things, be of a temporal and climatic nature.
- a temporal criterion of a temporal nature is used.
- a temporal criterion is defined as being within a period of time, potentially periodic, during which the animal species has an activity exceeding a certain threshold, and therefore the greatest risk that a member of that species is injured or killed by the facility.
- the method according to the first embodiment therefore consists, in a step 105, in switching the installation from a first operating state Ei to a second, less dangerous, operating state E 2 when it is in a time interval d, corresponding to a period of high activity of the endangered animal species, which is symbolized by the verification step 103 in Figure 2.
- a first example taking into account the annual periodicity of the Activity of bats threatened by a wind turbine, it is known that these are not active in winter, from November to March, while they are significantly more from April to October. Thus, one can simply consider in a first embodiment to switch the wind turbine in its second state of operation during a so-called period of high activity of chiroptera from April to October. This period of high activity naturally varies according to geographical areas and climatic conditions.
- the activity of the chiroptera is notoriously more important in the night period than in the daytime, in particular for a few hours a day, after the sunset and a few hours before dawn. It may therefore be envisaged in another embodiment to switch the wind turbine into its second state of operation each day during the period d, of greater darkness described above.
- control method may include a step of determining 101 at least one time interval during which the activity of the species or group of animal species exceeds a certain threshold of activity. This determination can be made by measuring the activity of the animal species close to the facility for a certain time interval and by analyzing it.
- This activity can be measured using automated pass recording devices, based for example on passive systems for the detection of sounds or ultrasound, the capture of photos or videos in the visible or infrared spectrum, the detection of movement. Active systems, such as radars, sonars, lidars, infrared illuminators and associated imagery that may include motion detectors, may also be employed.
- optional timing steps 102 and 106 can be provided to insert a delay time T1, respectively ⁇ 2 , between two successive verification steps 103, 105 respectively.
- a climatic criterion is understood to mean the comparison with a predefined threshold of any climatic parameter, characterizing the climatic conditions surrounding the installation concerned and influencing the behavior of the endangered species by this installation.
- the method according to the second embodiment therefore consists in switching the installation, during a step 205, from a first operating state Ei to a second, less dangerous, operating state E 2 , depending on the comparison of at least one characteristic parameter of the climatic conditions surrounding the installation with at least one threshold value. This comparison is symbolized by the comparison step 203 in FIG.
- a first example of a climatic parameter consists of the surrounding temperature of the installation. When it exceeds a certain temperature threshold T 8 (of the order of 10 ° C), the activity of bats increases significantly.
- T 8 of the order of 10 ° C
- a particularly advantageous embodiment can thus consist in measuring the ambient temperature T in the environment of the wind turbine and comparing it with the threshold temperature value T 8 . If T ⁇ T 8 , then the wind turbine switches to its second state E 2 less dangerous for bats.
- a second example of a climatic parameter is the speed of the surrounding wind of the installation. When it is below a certain threshold speed, (of the order of 6 m. S "1), the amount of flying insects increases which induces an indirect increase in the activity of bats.
- Another A particularly advantageous embodiment can then consist in measuring the speed V V ⁇ nt of the wind in the environment of the wind turbine, for example by means of a wind measuring instrument, and comparing it with the threshold value V 8 of speed.
- the wind turbine changes to its second, less dangerous state for bats, and other climatic parameters influencing the activity of bats may be considered, for example rain is a factor involving a decrease in activity of chiroptera, we can then define a Rainfall threshold below which the wind turbine switches to its second operating state E 2 .
- the comparison step 203 may consist simply of one of the comparisons described above, or of a plurality of comparisons chosen from those described above, to which it can be decided that, if at least one of the comparisons among the plurality of comparisons made is indicative of a significant activity of the animal species, the tipping step 205 is performed.
- this new comparison step 209 may consist simply of one of the comparisons described above, or of a plurality of comparisons chosen from those described above.
- step 209 it may be decided to reboot the installation in its first operating state Ei if one, several or all the comparisons made in step 209 are indicative of a low activity of the animal species.
- the environmental parameters used for comparisons 203 or 209 may be determined, for example, by weather forecasts made more or less finely over the region where the facility is located.
- a measurement step 201 of the parameter (s) considered during the comparison step 203 is performed, before this step 203, near the installation. This provides a more accurate, real-time control of the installation.
- a similar measurement step 207 may be performed before the comparison step 209 for the same reasons.
- a threshold distance ds with respect to the installation to be tested, below which any climatic parameter measurement made is considered to be substantially close to a measurement made on the installation itself, with some tolerance.
- a threshold distance can be of the order of a kilometer, for example.
- optional timing steps 202 and 206 may be provided to insert a delay time ⁇ Y, respectively ⁇ 2 ', between two successive comparison steps 203, respectively 207. This makes it possible to adapt the responsiveness of the system by the choice of times TY and T 2 'more or less long.
- the activity of the threatened animal species can be measured over a long period of time in the environment of the facility.
- a temporal profile periodical controlling the switchover of the installation in the second state Such temporal criteria, because of their stability over time, have the advantage of not requiring real-time processing and simplifying the control of the installation.
- the second category of climatic parameters concerns non-periodic and variable parameters depending on the climatic conditions. With such parameters, real-time measurement in the installation environment is more appropriate, allowing a more responsive and refined installation switchover. It is of course possible to use any combination of all the parameters introduced above to control the tilting of the wind turbine in its second, less dangerous state.
- FIG. 4 illustrates an example of such a combination of parameters of different natures.
- the first three criteria Ci, C2 and C3 are of a temporal nature and relate respectively to the period of strong annual activity, the period of strong daily activity, and the two periods of very strong activity respectively between sunset and 2:30 after sunset from sun and between 1:30 before sunrise and sunrise.
- climate-related criteria C 4 and C 5 relating respectively to the wind speed Vvent and the temperature surrounding the installation.
- a sixth optional climate criterion This, linked to the rain, can also be taken into account.
- Case 301 corresponds to a low activity of bats, which allows to leave the wind turbine in its Ei state of superior performance.
- Case 302 is the one where the climatic and temporal conditions are met so that the activity of the bats is sufficiently important to generate a high mortality when using the wind turbine in its E1 state.
- the wind turbine is switched to a state E2 in which it is less dangerous for bats, for example in which the speed of rotation of the blades is reduced or zero.
- the case 303 is a special case taking into account, in addition to the activity of bats, the efficiency of the wind turbine.
- the first four criteria CrC 4 leading to this case 303 in the tree reveal a strong potential activity of bats. Such activity could be reduced by other climatic conditions.
- the criterion C4 of wind speed is also a determining criterion for the efficiency of the wind turbine, since below a certain threshold wind speed (here 4 m / s), the wind turbine's efficiency weakens substantially. In such a case 303, the rotation of the wind turbine is stopped, both for reasons of dangerousness for bats and for reasons of efficiency.
- a potential disadvantage of the method according to the invention lies in that switching to a second operating state E 2 can lead to a loss of efficiency.
- the yield loss would simply correspond to the yield that the wind turbine would have, in its normal state, during the tilt time interval.
- Such a loss of yield may be exaggerated with regard to the gain in preservation of the animal species obtained.
- the efficiency of the installation in its normal operating state Ei can be characterized on the one hand over a certain time range, by the experiment or measurement extrapolations on a long duration, which allows to define a time interval during which the yield is below a certain threshold R s . In this time interval, any change to a second operating state E 2 will not pose a problem, since the performance of the installation is naturally already reduced.
- the time range during which the activity of a species is important may partly or totally coincide with a time range during which the efficiency the installation is weaker. In such a case, it is advantageous to switch the installation to its second state within the time range common to the two aforementioned time ranges.
- an activity parameter Act changes from a low level of activity A1 to a high level of activity A 2 during a time interval di corresponding to [t A , i; tA, 2].
- a first zone Zi covers the cases where the yield R exceeds the threshold R s and the activity of the animal species is low. In such a case, the installation is used in its state Ei giving optimal performance.
- a second zone Z 2 covers the opposite case where the yield R is below the threshold R s and the activity of the animal species is important. In such a case, the installation is switched to its operating state E 2 , which makes it possible to better protect the animal species while inducing a lower yield loss.
- a third zone Z 3 is defined in which the activity of the animal species is important, but the yield R exceeds the threshold R s . In such a case, a compromise must be found and a decision made. If priority is given to prioritizing the protection of the animal species to the detriment of the efficiency of the installation, the changeover to state E 2 is required. If, on the other hand, one wishes to favor the efficiency of the plant in view of the small potential gain in protection of the animal species, the installation is used in its normal state Ei.
- FIG. 6 a system 400 is illustrated in which the method described above is implemented.
- the system 400 comprises at least one wind turbine 401 (a single wind turbine being represented for illustrative purposes only) connected to a remote control device 410.
- This control device 410 comprises at least processing means 411 (for example a processor) arranged to analyze any failover criterion as described above and able to send, to the wind turbine 401, a switching signal Si in a first state. operating Ei or a switching signal S 2 in a second operating state E 2 , less dangerous.
- processing means 411 for example a processor
- the control device 410 may comprise storage means 413, connected to the processing means, for storing in memory various switching criteria C 1 . These means 413 are particularly suitable for the case of the criteria of temporal nature, predetermined, as well as for criteria C 1 'related to the efficiency of the wind turbine.
- the switching time intervals d can then be recorded in the means 413 and used by the processing means 411 so that they send the switching signals Si or S2 at the right moment, for example at the beginning and / or at the end of these tilt time intervals. d ,.
- Such means 413, in which the tilt time intervals d , are stored make it possible to avoid having to adapt each wind turbine with an infrared detection device, as mentioned in the state of the art.
- the system may also include a measurement module 403, placed on site near the wind turbine 401 and capable of measuring certain climatic parameters, for example the rainfall P, the temperature T or the wind speed V V ⁇ nt- These parameters are sent to the device 410 so that the processing means 411 can analyze them and decide to send a tilting signal Si or S2, in real time, depending on the climatic conditions revealed by these parameters and influencing the activity of the chiroptera on this particular site.
- a measurement module 403 placed on site near the wind turbine 401 and capable of measuring certain climatic parameters, for example the rainfall P, the temperature T or the wind speed V V ⁇ nt- These parameters are sent to the device 410 so that the processing means 411 can analyze them and decide to send a tilting signal Si or S2, in real time, depending on the climatic conditions revealed by these parameters and influencing the activity of the chiroptera on this particular site.
- Such a measurement module 403 must simply be placed at a distance sufficiently close to the wind turbine, and / or use the sensors already present on the wind turbine, to be able to measure sufficiently characteristic climatic parameters, for example at a distance less than the distance threshold d s as defined above.
- This simplified implementation has the advantage of not requiring adaptation of the wind turbine to install a detection device. Moreover, a single module 403 can be used for a plurality of wind turbines 401 located close to each other, which is much less expensive than the pause of detection devices on each wind turbine.
- the environmental parameters instead of being used in real time to control the wind turbine, can also be analyzed statistically in order to deduce tipping periods to be memorized in the means 413.
- the invention also relates to a computer program comprising instructions for carrying out the steps of a method as described above.
- Such a computer program can be downloadable via a telecommunication network, stored in a memory of a central unit or stored on a storage medium intended to cooperate with a reader of said central unit.
- a computer program can be loaded into the processor of the control device so that it can manage the installation according to the method of the present invention.
- the example of regulating a wind turbine to reduce the mortality of bats is provided for illustrative purposes only.
- the present invention can be applied to any flying species that can strike the blades of the wind turbine, for example migratory birds.
- the present invention can be applied to installations other than wind turbines. Any installation having a mode of operation in which part of the installation is moving in a certain operating state may potentially endanger an animal species. This can be the case of a dam, a factory tidal turbines or tidal turbines, which may be hazardous to aquatic species.
- the method mentions only two operating states Ei and E 2 , to facilitate understanding of the invention. It is however quite possible to control an installation having any number of operating states, each of which would present a particular level of danger for an animal species, the choice of the operating state in which to switch to be based on criteria related to the activity of the species and the performance of the facility as described above.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR0955587A FR2949005B1 (fr) | 2009-08-07 | 2009-08-07 | Controle d'une installation en fonction de la dangerosite de son interaction avec une espece animale |
PCT/FR2010/051661 WO2011015791A1 (fr) | 2009-08-07 | 2010-08-05 | Contrôle d'une installation en fonction de la dangerosité de son interaction avec une espèce animale |
Publications (1)
Publication Number | Publication Date |
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EP2462490A1 true EP2462490A1 (fr) | 2012-06-13 |
Family
ID=42167462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP10762972A Ceased EP2462490A1 (fr) | 2009-08-07 | 2010-08-05 | Contrôle d'une installation en fonction de la dangerosité de son interaction avec une espèce animale |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120136495A1 (fr) |
EP (1) | EP2462490A1 (fr) |
FR (1) | FR2949005B1 (fr) |
WO (1) | WO2011015791A1 (fr) |
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DE102011003974A1 (de) | 2011-02-11 | 2012-08-16 | Repower Systems Se | Verfahren zum Betreiben einer Windenergieanlage und Windenergieanlage |
US9995282B2 (en) | 2014-12-12 | 2018-06-12 | The United States Of America As Represented By The Secretary Of The Department Of The Interior | Selectively perceptible wind turbine system |
DE102014226979A1 (de) * | 2014-12-23 | 2016-06-23 | Ee-Techservice Ug (Haftungsbeschränkt) | Verfahren und Vorrichtung zum Steuern des Betriebs von Windenergieanlagen |
US10794363B2 (en) * | 2017-02-10 | 2020-10-06 | Inventus Holdings, Llc | Wind turbine curtailment control for volant animals |
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DK2167868T3 (da) * | 2007-07-17 | 2014-06-10 | Laufer Wind Group Llc | Fremgangsmåde og system til minimering af lysforurening |
DE102008039146B4 (de) * | 2007-08-28 | 2014-02-20 | Asmo Co., Ltd. | Steuergerät für eine Schließtafel |
US20100274401A1 (en) * | 2007-12-20 | 2010-10-28 | Vestas Wind Systems A/S | Method for controlling a common output from at least two wind turbines, a central wind turbine control system, a wind park and a cluster of wind parks |
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2009
- 2009-08-07 FR FR0955587A patent/FR2949005B1/fr not_active Expired - Fee Related
-
2010
- 2010-08-05 WO PCT/FR2010/051661 patent/WO2011015791A1/fr active Application Filing
- 2010-08-05 EP EP10762972A patent/EP2462490A1/fr not_active Ceased
- 2010-08-05 US US13/389,089 patent/US20120136495A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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"GESETZ ZUR NEUREGELUNG DES RECHTS DES NATURSCHUTZES UND DER LANDSCHAFTSPFLEGE", BUNDESGESETZBLAT JAHRGANG 2009 TEIL I NR. 51, 6 August 2009 (2009-08-06), pages 2542 - 2579, XP055217271, Retrieved from the Internet <URL:HTTPS://WWW.BFN.DE/FILEADMIN/MDB/DOCUMENTS/THEMEN/MONITORING/BNATSCHG.PDF> |
Also Published As
Publication number | Publication date |
---|---|
US20120136495A1 (en) | 2012-05-31 |
FR2949005B1 (fr) | 2012-02-24 |
FR2949005A1 (fr) | 2011-02-11 |
WO2011015791A1 (fr) | 2011-02-10 |
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