DK200001450A - Fremgangsmåde til regulering af en vindmølle samt et apparat til brug ved fremgangsmåden - Google Patents
Fremgangsmåde til regulering af en vindmølle samt et apparat til brug ved fremgangsmåden Download PDFInfo
- Publication number
- DK200001450A DK200001450A DK200001450A DKPA200001450A DK200001450A DK 200001450 A DK200001450 A DK 200001450A DK 200001450 A DK200001450 A DK 200001450A DK PA200001450 A DKPA200001450 A DK PA200001450A DK 200001450 A DK200001450 A DK 200001450A
- Authority
- DK
- Denmark
- Prior art keywords
- spoiler
- blade
- airflow
- cavity
- changed
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 title abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 abstract 1
- 239000011888 foil Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Classifications
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- 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
- F03D7/0244—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
- F03D7/0252—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking with aerodynamic drag devices on the blades
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- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
- F03D1/0641—Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
-
- 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
-
- 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
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/305—Flaps, slats or spoilers
- F05B2240/3052—Flaps, slats or spoilers adjustable
-
- 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
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/306—Surface measures
- F05B2240/3062—Vortex generators
-
- 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
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
-
- 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
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/32—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor with roughened surface
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Wind Motors (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Turbines (AREA)
Description
PATENTKRAV 1. Fremgangsmåde til regulering af luftstrømning omkring en vindmøllevinge, hvilken fremgangsmåde omfatter, at et profil for vingen ændres med en trinløst fleksibel an¬ ordning monteret ved en yderside af vingen, hvorved der i en deaktiveret form for an¬ ordningen skabes en første strømning af luft omkring vingen, Og i en aktiveret form for anordningen skabes en anden strømning af luft omkring vingen, kendeteg¬ net ved, at ændringen i strømningen af luft omkring vingen forårsaget af anordningen ændrer virkningen af et andet flowregulerende aggregat monteret på vingens yderside. 2. Fremgangsmåde til regulering af luftstrømning omkring en vindmøllevinge ifølge krav 1,kendetegnet ved, at det andet flowregulerende aggregat, som er monteret på vingens yderside, er af en type, som giver det aerodynamiske profil en højere op¬ driftskoefficient eller på anden måde forårsager, at stall først indtræder ved en høgere vindhastighed, hvorved vindmøllens maksimaleffekt forøges i forhold til, hvad der ville have været tilfældet, hvis det andet flowregulerende aggregat ikke var monteret pi vingens yderside. 3. Fremgangsmåde til regulering af luftstrømning omkring en vindmøllevinge ifølge krav 1 eller krav 2, kendetegnet ved, at ændringen i strømningen af luft omkring vingen forårsaget af anordningen ændrer virkningen af vortex generators monteret på vingens yderside i tilknytning til anordningen. 4. Fremgangsmåde til regulering af luftstrømning omkring en vindmøllevinge ifølge ethvert af kravene 1-3, kendetegnet ved, at ændringsi i strømningen af luft om¬ kring vingen reguleres, så effektydelsen fra vindmøllen i høj vind fastholdes på et be¬ stemt niveau. 5. Anordning til brug ved fremgangsmåden ifølge ethvert af kravene 1-4, og hvor an¬ ordningen er fremstillet af et fleksibelt materiale, der er forsynet med mindst én hul¬ hed, og hvor hulheden i en deaktiveret form har et første volumen, og i en aktiveret fonn har et andet volumen, og hvor hulhedens volumen kan blive ændret fra den dc- aktiverede form til den aktiverede form ved at lede et fluid til hulheden, kendetegnet ved, at den mindste ene hulhed er dannet i en separat spoiler, og at den separate spoiler er monteret på en overflade af vingen. 6. Anordning ifølge krav S, kendetegnet ved, at spoileren udgør en folie med en yderside, der er bestemt til at vende udefter i forhold til overfladen af vingen, og en inderside, der er bestemt dl at vende indefter i forhold til overfladen af vingen, at in¬ dersiden af folien er bestemt til at blive fristgjort til overfladen af vingen, og at hulhe¬ den er dannet mellem ydersiden og indersiden af folien. 7. Anordning ifølge krav 5 eller krav 6, kendetegnet ved, at folien har et mid¬ terste område, hvor hulheden er dannet, og som har en tykkelse T, at den midterste del konvergerer mod kantområder, der har en tykkelse t, og at tykkelsen t er mindre end tykkelsen T. 8. Anordning ifølge ethvert af kravene 5-7, kendetegnet ved, at det midterste område af spoileren, når spoileren antager den deaktiverede fortn, har en yderside, der konvergerer kontinuert mod kantområdeme, og at det midterste område af spoileren, når spoileren antager den aktiverede form, i det mindste medfører et ændret profil for vingen, fortrinsvis udviser en diskontinuitet i forhold til overfladen af vingen. 9. Anordning ifølge ethvert af kravene 5-8, kendetegnet ved, at der gennem hul¬ heden mellem ydersiden af spoileren og indersiden af spoileren er dannet støtteribber, der er i stand til at fastholde en givet mindste afstand mellem ydersiden og indersiden af spoileren, når anordningen befinder sig i sin deaktiverede form. 10. Anordning ifølge ethvert af kravene 5-9, kendetegnet ved, at der gennem hulheden er dannet passager, der strækker sig i smallere kanaler i hulheden, og som forløber mellem bredere kanaler i hulheden, at passagerne er klappet sammen, når spoileren antager sin deaktiverede form, og at passagerne er udvidede, når spoileren antager sin aktiverede form. 11. Anordning ifølge ethvert af kravene 5-10, kendetegnet ved, at spoileren bli¬ ver bragt fra sin deaktiverede fonn til sin aktiverede form ved, at hulheden bliver fyldt med en given mængde fluid, fortrinsvis trykluft eller anden tryksat luftart, alternativt hydraulikolic eller anden væske. 12. Anordning ifølge krav 11, kendetegnet ved, at spoileren bliver bragt fra sin aktiverede form tilbage til sin deaktiverede form ved, at hulheden bliver termt for fluid ved hjælp af luftstrømningen, der virker p& overfladen af vingen og på ydersiden af folien, og/eller ved hjælp af centrifugalkraften, der virker på fluidet. 13. Anordning ifølge ethvert af kravene 5-12, kendetegnet ved, at spoileren er anbragt på sugesiden af vingen på kun en del af vingen, 14. Anordning ifølge krav 13, kendetegnet ved, at spoileren er anbragt på radiel- le positioner fra inderst 0-30 % til yderst 30-80 % af vingelængden. 15. Anordning ifølge krav 14, kendetegnet ved, at spoileren er anbragt umiddel¬ bart foran en serie vortex generators med højde i området 3-50 mm. 16. Anordning ifølge ethvert af kravene 5-15, kendet egnet ved, at spoileren er fremstillet af gummi, alternativt er fremstillet af plast, og fortrinsvis er fremstillet af et ekstruderet profil af siliconegummi og med en bredde på 50-250 mm.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200001450A DK174261B1 (da) | 2000-09-29 | 2000-09-29 | Anordning til brug ved regulering af luftstrømning omkring en vindmøllevinge |
PCT/DK2001/000622 WO2002029247A1 (en) | 2000-09-29 | 2001-09-28 | Method for regulating a windmill and an apparatus for the use of said method |
AU2001291641A AU2001291641A1 (en) | 2000-09-29 | 2001-09-28 | Method for regulating a windmill and an apparatus for the use of said method |
ES01971723T ES2240519T3 (es) | 2000-09-29 | 2001-09-28 | Procedimiento para regular un molino de viento y aparato para usar dicho procedimiento. |
EP01971723A EP1320680B1 (en) | 2000-09-29 | 2001-09-28 | Method for regulating a windmill and an apparatus for the use of said method |
AT01971723T ATE293213T1 (de) | 2000-09-29 | 2001-09-28 | Regelungsmethode für eine windturbine und regeleinrichtung dafür |
DE60110098T DE60110098T2 (de) | 2000-09-29 | 2001-09-28 | Regelungsmethode für eine windturbine und regeleinrichtung dafür |
DK01971723T DK1320680T3 (da) | 2000-09-29 | 2001-09-28 | Fremgangsmåde til regulering af en vindmölle samt en anordning til brug ved fremgangsmåden |
US10/148,264 US7419356B2 (en) | 2000-09-29 | 2001-09-28 | Method for regulating a windmill, and an apparatus for the use of said method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200001450 | 2000-09-29 | ||
DK200001450A DK174261B1 (da) | 2000-09-29 | 2000-09-29 | Anordning til brug ved regulering af luftstrømning omkring en vindmøllevinge |
Publications (2)
Publication Number | Publication Date |
---|---|
DK200001450A true DK200001450A (da) | 2002-03-30 |
DK174261B1 DK174261B1 (da) | 2002-10-21 |
Family
ID=8159753
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK200001450A DK174261B1 (da) | 2000-09-29 | 2000-09-29 | Anordning til brug ved regulering af luftstrømning omkring en vindmøllevinge |
DK01971723T DK1320680T3 (da) | 2000-09-29 | 2001-09-28 | Fremgangsmåde til regulering af en vindmölle samt en anordning til brug ved fremgangsmåden |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK01971723T DK1320680T3 (da) | 2000-09-29 | 2001-09-28 | Fremgangsmåde til regulering af en vindmölle samt en anordning til brug ved fremgangsmåden |
Country Status (8)
Country | Link |
---|---|
US (1) | US7419356B2 (da) |
EP (1) | EP1320680B1 (da) |
AT (1) | ATE293213T1 (da) |
AU (1) | AU2001291641A1 (da) |
DE (1) | DE60110098T2 (da) |
DK (2) | DK174261B1 (da) |
ES (1) | ES2240519T3 (da) |
WO (1) | WO2002029247A1 (da) |
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EP3667074A1 (en) | 2018-12-13 | 2020-06-17 | Siemens Gamesa Renewable Energy A/S | Device and method of damping front and backward movements of a tower of a wind turbine |
EP3667064A1 (en) | 2018-12-13 | 2020-06-17 | Siemens Gamesa Renewable Energy A/S | Damping vibrations in a wind turbine |
EP3667061A1 (en) * | 2018-12-13 | 2020-06-17 | Siemens Gamesa Renewable Energy A/S | Adaptable spoiler for a wind turbine rotor blade |
DE102019113044A1 (de) | 2019-05-17 | 2020-11-19 | Wobben Properties Gmbh | Verfahren zum Auslegen und Betreiben einer Windenergieanlage, Windenergieanlage sowie Windpark |
EP3907401A1 (en) * | 2020-05-05 | 2021-11-10 | Siemens Gamesa Renewable Energy A/S | Lift modifying device for a rotor blade, rotor blade of a wind turbine and method for modifying the lift of a rotor blade |
CN111894817B (zh) * | 2020-08-11 | 2021-10-26 | 石家庄铁道大学 | 一种涡流发生器 |
CN114687923A (zh) * | 2020-12-25 | 2022-07-01 | 江苏金风科技有限公司 | 风力发电机组的叶片和控制方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715782A (en) * | 1985-12-24 | 1987-12-29 | Fayette Manufacturing Corp. | Hydraulic control device for wind turbine |
DE3875640D1 (de) | 1987-03-14 | 1992-12-10 | M T B Manoevriertechnisches Bu | Von luft oder wasser umstroemter stroemungskoerper. |
DE3913505A1 (de) | 1989-04-25 | 1989-11-16 | Astrid Holzem | Fluegel mit aerodynamischer bremse fuer windkraftmaschinen |
DE4446031C2 (de) | 1994-12-23 | 1998-11-26 | Deutsch Zentr Luft & Raumfahrt | Tragflügel mit Mitteln zum Verändern des Profils |
AU5061200A (en) | 1999-06-07 | 2000-12-28 | Bonus Energy A/S | Method on regulating the air flow around the windmill wing and device for use insuch method |
-
2000
- 2000-09-29 DK DK200001450A patent/DK174261B1/da not_active IP Right Cessation
-
2001
- 2001-09-28 WO PCT/DK2001/000622 patent/WO2002029247A1/en active IP Right Grant
- 2001-09-28 AU AU2001291641A patent/AU2001291641A1/en not_active Abandoned
- 2001-09-28 DK DK01971723T patent/DK1320680T3/da active
- 2001-09-28 ES ES01971723T patent/ES2240519T3/es not_active Expired - Lifetime
- 2001-09-28 US US10/148,264 patent/US7419356B2/en not_active Expired - Lifetime
- 2001-09-28 EP EP01971723A patent/EP1320680B1/en not_active Expired - Lifetime
- 2001-09-28 AT AT01971723T patent/ATE293213T1/de not_active IP Right Cessation
- 2001-09-28 DE DE60110098T patent/DE60110098T2/de not_active Expired - Lifetime
Also Published As
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DE60110098T2 (de) | 2006-05-18 |
WO2002029247A1 (en) | 2002-04-11 |
DK174261B1 (da) | 2002-10-21 |
AU2001291641A1 (en) | 2002-04-15 |
EP1320680A1 (en) | 2003-06-25 |
US20030091436A1 (en) | 2003-05-15 |
DK1320680T3 (da) | 2005-07-11 |
ES2240519T3 (es) | 2005-10-16 |
EP1320680B1 (en) | 2005-04-13 |
US7419356B2 (en) | 2008-09-02 |
ATE293213T1 (de) | 2005-04-15 |
DE60110098D1 (de) | 2005-05-19 |
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