DK200501626A - A wind energy system with extra set of wings - Google Patents

A wind energy system with extra set of wings Download PDF

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Publication number
DK200501626A
DK200501626A DK200501626A DKPA200501626A DK200501626A DK 200501626 A DK200501626 A DK 200501626A DK 200501626 A DK200501626 A DK 200501626A DK PA200501626 A DKPA200501626 A DK PA200501626A DK 200501626 A DK200501626 A DK 200501626A
Authority
DK
Denmark
Prior art keywords
blades
wind power
sets
wings
power plant
Prior art date
Application number
DK200501626A
Other languages
Danish (da)
Inventor
Grabau Peter
Original Assignee
Lm Glasfiber 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
Application filed by Lm Glasfiber As filed Critical Lm Glasfiber As
Priority to DK200501626A priority Critical patent/DK176357B1/en
Priority to PCT/DK2006/000641 priority patent/WO2007057021A1/en
Priority to EP06805579A priority patent/EP1969229A1/en
Publication of DK200501626A publication Critical patent/DK200501626A/en
Application granted granted Critical
Publication of DK176357B1 publication Critical patent/DK176357B1/en

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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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • F03D1/025—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors coaxially arranged
    • 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
    • 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
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F05B2240/2211—Rotors for wind turbines with horizontal axis of the multibladed, low speed, e.g. "American farm" type
    • 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
    • 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
    • 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)
  • 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 (10)

1. Et vindenergianlæg med et første sæt med mindst en vinge monteret på en aksel, samt mindst et andet sæt med mindst en vinge monteret på samme aksel og monteret således, at vingesættene vil have samme rotationsretning og samme omdrejningstal, hvilket andet sæt vinger har en længde, som er mindre end det første sæt vingers, og hvilket andet sæt vinger har et andet optimalt tiphastighedsforhold end det første sæt vinger, således at to sæt vinger er optimerede med hensyn til effektudbytte ved samme omdrejningstal.A wind power system having a first set of at least one blade mounted on a shaft, and at least a second set of at least one blade mounted on the same shaft and mounted such that the blade sets will have the same direction of rotation and the same speed, which second set of wings has a length less than the first set of blades, and which second set of blades has a different optimum tip velocity ratio than the first set of blades, so that two sets of blades are optimized for power output at the same rpm. 2. Et vindenergianlæg ifølge krav 1, kendetegnet ved, at forholdet mellem længderne af de to sæt vinger er tilnærmelsesvist bestemt ved forholdet mellem de to sæt vingers optimale tiphastighedsforhold.A wind energy system according to claim 1, characterized in that the ratio of the lengths of the two sets of wings is approximately determined by the ratio of the optimum tip velocity ratios of the two sets of wings. 3. Et vindenergianlæg ifølge krav 1, kendetegnet ved, at det andet sæt vinger er konstrueret til et optimalt tiphastighedsforhold bestemt ud fra forholdet mellem de to sæt vingers længde og det optimale tiphastighedsforhold for det ene sæt vinger.A wind energy system according to claim 1, characterized in that the second set of blades is designed for an optimum tip velocity ratio determined from the ratio of the length of the two sets of blades to the optimum tip velocity ratio for the one set of blades. 4. Et vindenergianlæg ifølge et eller flere af kravene 1-3, kendetegnet ved, at de mindst to sæt vinger er placeret lige efter hinanden på deres fælles aksel.A wind power plant according to one or more of claims 1 to 3, characterized in that the at least two sets of blades are placed one after the other on their common shaft. 5. Et vindenergianlæg ifølge et eller flere af kravene 1-4, kendetegnet ved, at de mindst to sæt vinger udgør et fælles rotorplan.A wind power plant according to one or more of claims 1-4, characterized in that the at least two sets of blades form a common rotor plane. 6. Et vindenergianlæg ifølge et eller flere af kravene 1-5, kendetegnet ved, at det andet sæt vinger udgør en vindrose og det første sæt vinger udgør en hurtigløber.A wind power plant according to one or more of claims 1 to 5, characterized in that the second set of blades constitutes a wind rose and the first set of blades constitutes a fast runner. 7. Et vindenergianlæg ifølge et eller flere af kravene 1-6, kendetegnet ved, at det andet sæt vinger er hængslet monteret således, at de kan drejes om deres længdeakse.A wind power plant according to one or more of claims 1-6, characterized in that the second set of blades are hingedly mounted so that they can be rotated about their longitudinal axis. 8. Et vindenergianlæg ifølge et eller flere af kravene 1-7, kendetegnet ved, at det andet sæt vinger er monteret således, at de kan bremses uafhængigt af det første sæt vinger.A wind power plant according to one or more of claims 1-7, characterized in that the second set of wings is mounted so that they can be braked independently of the first set of wings. 9. Et vindenergianlæg ifølge et eller flere af kravene 1-8, kendetegnet ved, at det andet sæt vinger er monteret således, at de kan samles radialt i en eller flere grupper.A wind power plant according to one or more of claims 1-8, characterized in that the second set of blades is mounted so that they can be radially assembled into one or more groups. 10. Anvendelse af et vindenergianlæg, som beskrevet ved et eller flere af kravene 1-9.Use of a wind power plant as claimed in one or more of claims 1-9.
DK200501626A 2005-11-21 2005-11-21 A wind energy system with extra set of wings DK176357B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK200501626A DK176357B1 (en) 2005-11-21 2005-11-21 A wind energy system with extra set of wings
PCT/DK2006/000641 WO2007057021A1 (en) 2005-11-21 2006-11-20 A wind power plant with extra set of blades
EP06805579A EP1969229A1 (en) 2005-11-21 2006-11-20 A wind power plant with extra set of blades

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200501626 2005-11-21
DK200501626A DK176357B1 (en) 2005-11-21 2005-11-21 A wind energy system with extra set of wings

Publications (2)

Publication Number Publication Date
DK200501626A true DK200501626A (en) 2007-05-22
DK176357B1 DK176357B1 (en) 2007-09-24

Family

ID=37695976

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200501626A DK176357B1 (en) 2005-11-21 2005-11-21 A wind energy system with extra set of wings

Country Status (3)

Country Link
EP (1) EP1969229A1 (en)
DK (1) DK176357B1 (en)
WO (1) WO2007057021A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101196172B (en) * 2008-01-14 2014-07-02 陈亚洲 Unsteady wind-driven generator
US20090280009A1 (en) * 2008-01-16 2009-11-12 Brock Gerald E Wind turbine with different size blades for a diffuser augmented wind turbine assembly
WO2010133649A2 (en) * 2009-05-19 2010-11-25 Vestas Wind Systems A/S A wind turbine and a blade for a wind turbine
EP2410171A1 (en) * 2010-07-23 2012-01-25 Ewt Ip B.V. Wind turbine having a rotor with hub
WO2012040320A2 (en) * 2010-09-21 2012-03-29 E-Net, Llc Wind turbine with multi-stage blades
US8899921B2 (en) * 2010-10-08 2014-12-02 Earl McCune Wind turbine having flow-aligned blades
US8678767B2 (en) * 2011-04-08 2014-03-25 Peter Mok Wind turbine
US8308437B2 (en) * 2011-04-26 2012-11-13 General Electric Company Wind turbine with auxiliary fins
US8985947B2 (en) * 2011-11-14 2015-03-24 Siemens Aktiengesellschaft Power producing spinner for a wind turbine
ES2601216T3 (en) 2011-11-17 2017-02-14 Doosan Heavy Industries & Construction Co., Ltd. Wind turbine with multiple gondolas
US9194363B2 (en) 2012-06-29 2015-11-24 General Electric Company Apparatus and method for aerodynamic performance enhancement of a wind turbine
US10132290B2 (en) 2012-06-29 2018-11-20 General Electric Company Apparatus and method for aerodynamic performance enhancement of a wind turbine
GR20130100479A (en) * 2013-08-20 2015-03-18 Αριστειδης Εμμανουηλ Δερμιτζακης Wind generator operated with low-speed wind
FR3012180B1 (en) 2013-10-18 2018-02-16 Sebastien Manceau HORIZONTAL ROTATING AXLE WIND MACHINE COMPRISING FAMILIES OF BLADES
WO2015088465A1 (en) * 2013-12-13 2015-06-18 Анатолий Юрьевич ГАЛЕЦКИЙ Rotor of an assembly for converting the energy of fluid media
FR3030446B1 (en) * 2014-12-17 2018-06-01 Safran Aircraft Engines MULTI-DIAMETER PROPELLER TURBOMACHINE
GB2541507A (en) * 2015-06-18 2017-02-22 New World Energy Entpr Ltd A wind turbine with rotating augmentor
JP6677783B1 (en) * 2018-10-23 2020-04-08 三菱電機エンジニアリング株式会社 Propeller device
DE102019111123A1 (en) 2019-04-30 2020-11-05 Wobben Properties Gmbh Rotor for a wind turbine and wind turbine
JP6805298B1 (en) * 2019-07-23 2020-12-23 三菱電機エンジニアリング株式会社 Small windmill device
CN113719423B (en) * 2021-07-23 2023-04-07 国能联合动力技术(连云港)有限公司 Transfer mechanism is deposited to wind generating set blade multilayer
CN114576083B (en) * 2022-03-18 2023-05-02 中国华能集团清洁能源技术研究院有限公司 Double wind wheel power generation device
CN114673629B (en) * 2022-04-28 2023-02-07 中国华能集团清洁能源技术研究院有限公司 Maximum power tracking method and system for tandem type double-wind-wheel wind turbine generator set
CN114962143B (en) * 2022-06-15 2024-03-15 华北电力大学 Double wind wheel wind generating set and control method and device thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR627371A (en) * 1926-01-12 1927-10-03 Inst Voor Aero En Hydro Dynami Device to facilitate the start-up of flow-driven machines
US4150301A (en) * 1977-06-02 1979-04-17 Bergey Jr Karl H Wind turbine
JPS56138465A (en) * 1980-03-31 1981-10-29 Matsushita Electric Works Ltd Propeller windmill
GB2347178A (en) * 1998-12-31 2000-08-30 Edgar Arthur Tredwell Dual rotor wind turbine with different sized rotors
GB2382381A (en) * 2001-11-21 2003-05-28 John Freer Green Improvements in wind turbines

Also Published As

Publication number Publication date
WO2007057021A1 (en) 2007-05-24
DK176357B1 (en) 2007-09-24
EP1969229A1 (en) 2008-09-17

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Effective date: 20151130