DK2128385T3 - Vindmølle med indsættelige luftdeflektorer - Google Patents

Vindmølle med indsættelige luftdeflektorer Download PDF

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Publication number
DK2128385T3
DK2128385T3 DK09251327.4T DK09251327T DK2128385T3 DK 2128385 T3 DK2128385 T3 DK 2128385T3 DK 09251327 T DK09251327 T DK 09251327T DK 2128385 T3 DK2128385 T3 DK 2128385T3
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DK
Denmark
Prior art keywords
air deflector
rotor
blade
rotor blade
chord
Prior art date
Application number
DK09251327.4T
Other languages
English (en)
Inventor
Jonathon P Baker
Kevin Lee Jackson
Edward A Mayda
Dam Cornelis P Van
Original Assignee
Ge Infrastructure Technology Llc
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 claimed from US12/122,584 external-priority patent/US8267654B2/en
Application filed by Ge Infrastructure Technology Llc filed Critical Ge Infrastructure Technology Llc
Application granted granted Critical
Publication of DK2128385T3 publication Critical patent/DK2128385T3/da

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244—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
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • 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
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F05B2240/122—Vortex generators, turbulators, or the like, for mixing
    • 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
    • F05B2240/202—Rotors with adjustable area of intercepted fluid
    • F05B2240/2021—Rotors with adjustable area of intercepted fluid by means of telescoping blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • 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
    • F05B2260/00—Function
    • F05B2260/90—Braking
    • F05B2260/901—Braking using aerodynamic forces, i.e. lift or drag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/332—Maximum loads or fatigue criteria
    • 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
    • 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

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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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Claims (8)

1. Vindmølle omfattende: en strømgenerator; og en rotor koblet til strømgeneratoren, hvor rotoren har en rotorvinge, rotorvingen har en luftdeflektor, hvor luftdeflektoren er bevægelig mellem en udstrakt position, hvor luftdeflektoren strækker sig udad fra en udvendig flade af rotorvingen, ved en kordevis fordel deraf, og en tilbagetrukket position, hvor luftdeflektoren ikke strækker sig udad fra den udvendige flade af rotorvingen, hvor en topflade af luftdeflektoren, når i den tilbagetrukne position, danner en del af den udvendige flade af rotorvingen, og kendetegnet ved at en hel topflade af luftdeflektoren, når i den udstrakte position, er hævet væk fra den udvendige flade af rotorvingen ved en position på den kordevise fordel for at forårsage strømseparation nærmest forkanten af rotorvingen.
2. Vindmøllen ifølge krav 1, hvor rotorvingen haren højtryksside defineret afen første flade af rotorvingen mellem en forkant og en bagkant af rotorvingen, og en lavtryksside defineret af en anden flade af rotorvingen mellem forkanten og bagkanten af rotorvingen, hvor den anden flade, der danner lavtrykssiden, er modstående den første flade, der danner højtrykssiden, hvor opdrift udvikles fra højtrykssiden til lavtrykssiden, når rotorvingen roteres, hvor luftdeflektoren strækker sig udad fra den første eller anden flade, når i den udstrakte position.
3. Vindmøllen ifølge krav 2, hvor luftdeflektoren er en første luftdeflektor anbragt ved en første position langs en korde af rotorvingen, hvor vindmøllen yderligere omfatter en anden luftdeflektor, der er bevægelig mellem en udstrakt position, hvor den anden luftdeflektor strækker sig udad fra den udvendige flade af rotorvingen på forsiden, og en tilbagetrukket position, hvor den anden luftdeflektor ikke strækker sig udad fra den udvendige flade af rotorvingen, hvor den anden luftdeflektor er anbragt ved en anden position langs en korde af rotorvingen og strækker sig fra den første flade, når i den udstrakte position, hvor den anden position er en forskellig kordevis position fra den første position, og hvor den første luftdeflektor og den anden luftdeflektor er separat anvendelige og styrbare fra hinanden.
4. Vindmøllen ifølge krav 1, hvor en korde er defineret som en lige linje mellem en forkant og en bagkant af rotorvingen, hvor luftdeflektoren, når udstrakt, er placeret langs korden, når målt vinkelret derpå, mellem 5 % til 25 % og fortrinsvis mellem 5 % til 15 % af afstanden fra forkanten til bagkanten.
5. Vindmøllen ifølge krav 1, yderligere omfattende en kontroller optisk koblet til luftdeflektoren igennem en optisk leder, hvor luftdeflektoren er optisk udløst af et optisk signal sendt igennem den optiske leder, fortrinsvis som reaktion på detektionen af et vindstød.
6. Vindmøllen ifølge krav 1, yderligere omfattende: en flerhed af rotorvinger, der hver inkluderer en luftdeflektor; og en central kontroller konfigureret til at styre bevægelse af luftdeflektoren af hver af flerheden af rotorvinger mellem en udstrakt position og en tilbagetrukket position.
7. Vindmøllen ifølge krav 1, yderligere omfattende et modul forbundet til rotorvingen, hvor luftdeflektoren er placeret i modulet, når i den tilbagetrukne position, og hvor modulet inkluderer en kontroller konfigureret til at styre bevægelse af luftdeflektoren mellem den udstrakte position og den tilbagetrukne position.
8. Vindmøllen ifølge krav 1, yderligere omfattende en kontroller konfigureret til: at bestemme en belastning på rotorvingen ved at bestemme en tærskelmængde af kantvis resonans; og som reaktion på bestemmelsen af tærskelmængden af kantvis resonans, selektivt at aktivere en eller flere af: en nedre flade forkant-luftdeflektor, en øvre flade midt-korde-luftdeflektor og en nedre flade midt-korde-luftdeflektor.
DK09251327.4T 2008-05-16 2009-05-15 Vindmølle med indsættelige luftdeflektorer DK2128385T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/122,584 US8267654B2 (en) 2008-05-16 2008-05-16 Wind turbine with gust compensating air deflector
US12/464,447 US8192161B2 (en) 2008-05-16 2009-05-12 Wind turbine with deployable air deflectors

Publications (1)

Publication Number Publication Date
DK2128385T3 true DK2128385T3 (da) 2017-08-28

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ID=41066666

Family Applications (1)

Application Number Title Priority Date Filing Date
DK09251327.4T DK2128385T3 (da) 2008-05-16 2009-05-15 Vindmølle med indsættelige luftdeflektorer

Country Status (4)

Country Link
US (2) US8192161B2 (da)
EP (1) EP2128385B1 (da)
DK (1) DK2128385T3 (da)
ES (1) ES2637399T3 (da)

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