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 PDF

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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
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DK
Denmark
Prior art keywords
spoiler
blade
airflow
cavity
changed
Prior art date
Application number
DK200001450A
Other languages
English (en)
Inventor
Stiesdal Henrik
Original Assignee
Bonus Energy As
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
Priority to DK200001450A priority Critical patent/DK174261B1/da
Application filed by Bonus Energy As filed Critical Bonus Energy As
Priority to EP01971723A priority patent/EP1320680B1/en
Priority to DE60110098T priority patent/DE60110098T2/de
Priority to DK01971723T priority patent/DK1320680T3/da
Priority to AT01971723T priority patent/ATE293213T1/de
Priority to ES01971723T priority patent/ES2240519T3/es
Priority to AU2001291641A priority patent/AU2001291641A1/en
Priority to US10/148,264 priority patent/US7419356B2/en
Priority to PCT/DK2001/000622 priority patent/WO2002029247A1/en
Publication of DK200001450A publication Critical patent/DK200001450A/da
Application granted granted Critical
Publication of DK174261B1 publication Critical patent/DK174261B1/da

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • F03D7/0252Controlling 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • F03D1/0608Rotors characterised by their aerodynamic shape
    • F03D1/0633Rotors characterised by their aerodynamic shape of the blades
    • F03D1/0641Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/305Flaps, slats or spoilers
    • F05B2240/3052Flaps, slats or spoilers adjustable
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/306Surface measures
    • F05B2240/3062Vortex generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/31Characteristics 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/32Characteristics 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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.
DK200001450A 2000-09-29 2000-09-29 Anordning til brug ved regulering af luftstrømning omkring en vindmøllevinge DK174261B1 (da)

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
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
AT01971723T ATE293213T1 (de) 2000-09-29 2001-09-28 Regelungsmethode für eine windturbine und regeleinrichtung dafür
EP01971723A EP1320680B1 (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.
AU2001291641A AU2001291641A1 (en) 2000-09-29 2001-09-28 Method for regulating a windmill and an apparatus for the use of said method
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
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

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

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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

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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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EP1320680B1 (en) 2005-04-13
ES2240519T3 (es) 2005-10-16
ATE293213T1 (de) 2005-04-15
WO2002029247A1 (en) 2002-04-11
US20030091436A1 (en) 2003-05-15
DK1320680T3 (da) 2005-07-11
DE60110098D1 (de) 2005-05-19
US7419356B2 (en) 2008-09-02
DE60110098T2 (de) 2006-05-18
AU2001291641A1 (en) 2002-04-15
DK174261B1 (da) 2002-10-21
EP1320680A1 (en) 2003-06-25

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