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WO2003060319A1 - Element intermediaire monte a la base d'une pale d'eolienne destine a augmenter l'ecart entre l'extremite de la pale et la tour - Google Patents

Element intermediaire monte a la base d'une pale d'eolienne destine a augmenter l'ecart entre l'extremite de la pale et la tour Download PDF

Info

Publication number
WO2003060319A1
WO2003060319A1 PCT/EP2003/000322 EP0300322W WO03060319A1 WO 2003060319 A1 WO2003060319 A1 WO 2003060319A1 EP 0300322 W EP0300322 W EP 0300322W WO 03060319 A1 WO03060319 A1 WO 03060319A1
Authority
WO
WIPO (PCT)
Prior art keywords
tower
rotor
wind turbine
flange
rotor blade
Prior art date
Application number
PCT/EP2003/000322
Other languages
German (de)
English (en)
Inventor
Aloys Wobben
Original Assignee
Aloys Wobben
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 Aloys Wobben filed Critical Aloys Wobben
Priority to AU2003206727A priority Critical patent/AU2003206727A1/en
Publication of WO2003060319A1 publication Critical patent/WO2003060319A1/fr

Links

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 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • 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 a wind turbine with a tower with a gondola at the top of the tower and a rotor arranged on the gondola with a rotor hub and at least one rotor blade and with an intermediate piece between the rotor hub and the rotor blade, the intermediate piece having a first flange on the Rotor hub is attached and has a second flange for attaching a rotor blade thereon.
  • Such a wind turbine is known from WO 01/42647 and - like the mass of the known wind turbines - is designed as a so-called windward rotor, i. that is, the rotor is located on the wind turbine side of the tower of the wind turbine.
  • the impinging wind bends the rotor blades towards the tower and there is a risk of a rotor blade colliding with the tower, especially when there are strong gusts of wind. At least damage or even destruction of the rotor blade and / or the tower is possible.
  • This object is achieved according to the invention in that the planes of the flanges of the intermediate piece enclose a predetermined acute angle, and the intermediate piece is attached to the rotor hub in such a way that the acute angle opens towards the tower.
  • the invention is based on the finding that, due to the mechanical structure of a rotor blade, the area of the blade tip is particularly strongly deformable and is therefore at risk of collision.
  • the rotor blade in the installed state runs from the rotor blade root with an increasing distance from the tower to the rotor blade tip.
  • the intermediate piece has at least one through hole. This through hole allows, if it is designed as a manhole, access to the interior of the intermediate piece to z. B. To be able to carry out fastening work or maintenance work.
  • Figure 1 shows a known intermediate piece
  • Figure 2 shows an intermediate piece according to the invention
  • Figure 3 is a simplified representation of a rotor hub
  • Figure 4 shows a wind turbine according to the invention.
  • the intermediate piece shown in FIG. 1 comprises a first flange 10, a second flange 12 and a cylindrical section 14 running therebetween. attached hub, the second flange 12 is available for attaching the rotor blade. Since the two flanges 10, 12 are formed in parallel, the rotor blade will run in the direction predetermined by the surface of the hub.
  • Figure 2 shows an intermediate piece according to the invention. This also has a first flange 10, a second flange 12 and an intermediate cylindrical section 14. However, the flanges 10, 12 do not run parallel to each other, but at a predetermined acute angle a (a is approximately between 0.5 ° - 15 °). If this intermediate piece shown in FIG. 2 is fastened to the rotor hub with the first flange 10, the second flange 12 is deflected in accordance with the angle between these two flanges 10, 12.
  • FIG. 3 This is shown in FIG. 3 in a simplified representation.
  • the reference numeral 20 denotes a tower of a wind turbine
  • the reference numeral 18 denotes a machine carrier, to which a rotor hub 16 is attached.
  • Two intermediate pieces 10, 12, 14 according to the invention are attached to the rotor hub 16.
  • Each of the intermediate pieces 10, 12, 14 is fastened to the rotor hub 16 with a flange 10.
  • the intermediate pieces 10, 12, 14 are aligned in such a way that the angle a between the first flange 10 and the second flange 12 opens towards the tower of the wind turbine.
  • the rotor blades 22 attached to the second flanges 12 are thus inclined away from the tower 20 of the wind energy installation by an angle ⁇ and with increasing distance from the rotor hub 16, the distance between the rotor blade 22 and the tower of the wind energy installation 20 increases.
  • the reference numeral 20 in turn denotes the tower of a wind power installation
  • the reference numeral 24 denotes a nacelle in which the generator, the drive train and the rotor hub (not shown in this figure) are accommodated.
  • the rotor blades 22 attached to the rotor hub extend from the nacelle 24 with increasing distance from the tower 20 of the wind turbine.
  • the angle ⁇ enclosed by the flanges (reference numerals 10, 12) in FIGS. 1-3 determines the measure (angle ⁇ ) of the increase in the distance of the rotor blades from the tower 20 of the system.

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)
  • Wind Motors (AREA)

Abstract

L'invention concerne une éolienne composée d'une tour, d'une cellule située sur le haut de la tour, et d'un rotor logé sur la cellule, comportant un moyeu de rotor, au moins une pale et un élément intermédiaire logé entre le moyeu et la pale, ledit élément intermédiaire étant fixé avec une première bride sur le moyeu, et présentant une deuxième bride destinée à fixer une pale. L'invention vise à empêcher une collision entre la pale et la tour. A cet effet, les plans des brides forment un angle aigu prédéfini et l'élément intermédiaire est logé sur le moyeu de manière que l'angle aigu s'ouvre vers la tour.
PCT/EP2003/000322 2002-01-18 2003-01-15 Element intermediaire monte a la base d'une pale d'eolienne destine a augmenter l'ecart entre l'extremite de la pale et la tour WO2003060319A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003206727A AU2003206727A1 (en) 2002-01-18 2003-01-15 Wind turbine blade root spacer for increasing the separation of the blade tip from the tower

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10201726.3 2002-01-18
DE10201726A DE10201726B4 (de) 2002-01-18 2002-01-18 Windenergieanlage

Publications (1)

Publication Number Publication Date
WO2003060319A1 true WO2003060319A1 (fr) 2003-07-24

Family

ID=7712432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/000322 WO2003060319A1 (fr) 2002-01-18 2003-01-15 Element intermediaire monte a la base d'une pale d'eolienne destine a augmenter l'ecart entre l'extremite de la pale et la tour

Country Status (4)

Country Link
AR (1) AR038159A1 (fr)
AU (1) AU2003206727A1 (fr)
DE (1) DE10201726B4 (fr)
WO (1) WO2003060319A1 (fr)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2863318A1 (fr) * 2003-12-09 2005-06-10 Ocea Sa Aerogenerateur a pales presentant un bord d'attaque deporte, et pale correspondante
WO2007051879A1 (fr) * 2005-10-28 2007-05-10 Gamesa Innovation & Technology, S.L. Pale fendue pour eoliennes
WO2008003389A1 (fr) * 2006-07-03 2008-01-10 Repower Systems Ag Moyeu de rotor d'une éolienne
WO2008064678A2 (fr) * 2006-11-27 2008-06-05 Lm Glasfiber A/S Inclinaison de pales pour aérogénérateur
EP2108819A2 (fr) 2008-04-09 2009-10-14 Gamesa Innovation & Technology, S.L. Elément intermédiaire monté à la base d'une pale d'éolienne
EP1596063A3 (fr) * 2004-05-11 2009-12-02 REpower Systems AG Eolienne avec pales de rotor courbées
WO2011050806A2 (fr) 2009-10-27 2011-05-05 Vestas Wind Systems A/S Adaptateur de moyeu de pale
ES2371403A1 (es) * 2008-10-16 2012-01-02 GAMESA INNOVATION & TECHNOLOGY S.L. Extensor de raíz de pala para un aerogenerador.
CN102338045A (zh) * 2010-07-16 2012-02-01 上海电气风电设备有限公司 风轮增长环
WO2012164045A1 (fr) * 2011-05-31 2012-12-06 Dewind Europe Gmbh Rotor d'éolienne comportant une pale courbée
WO2013092871A1 (fr) 2011-12-22 2013-06-27 Lm Wind Power A/S Pale d'éolienne assemblée à partir d'une partie à l'intérieur et d'une partie à l'extérieur ayant différents types de structures porteuses de charge
WO2013121054A1 (fr) * 2012-02-17 2013-08-22 Gamesa Innovation & Technology, S.L. Aérogénérateur à actionnement direct
EP2679805A1 (fr) * 2012-06-29 2014-01-01 General Electric Company Insert de l'angle de cône pour rotor de turbine éolienne
US20150176567A1 (en) * 2013-12-19 2015-06-25 Acciona Windpower, S.A. Wind Turbine with Blade Pitch System
US9074581B2 (en) 2012-06-12 2015-07-07 General Electric Company Cone angle insert for wind turbine rotor
US9109578B2 (en) 2012-06-12 2015-08-18 General Electric Company Root extender for a wind turbine rotor blade
US9239040B2 (en) 2012-02-16 2016-01-19 General Electric Company Root end assembly configuration for a wind turbine rotor blade and associated forming methods
US9664174B2 (en) 2013-11-22 2017-05-30 General Electric Company Aerodynamic root adapters for wind turbine rotor blades
WO2017194545A1 (fr) * 2016-05-10 2017-11-16 Wobben Properties Gmbh Pale de rotor d'éolienne et éolienne équipée de cette dernière
WO2018007403A1 (fr) * 2016-07-05 2018-01-11 Peter Lutz Pale de rotor et rotor pour éoliennes fonctionnant dans la gamme des mégawatts
EP1815137B1 (fr) 2004-11-24 2018-09-05 Siemens Aktiengesellschaft Pale d'éolienne
DE102017004056A1 (de) 2017-04-27 2018-10-31 Senvion Gmbh Blattadapter für Windenergieanlagen
EP1925818B1 (fr) 2006-11-21 2019-01-09 Senvion GmbH Rotor d'une éolienne avec cloison
US10507902B2 (en) 2015-04-21 2019-12-17 General Electric Company Wind turbine dome and method of assembly
CN113107759A (zh) * 2021-04-21 2021-07-13 远景能源有限公司 叶片扫塔预防装置及其安装方法、风力发电机

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048805A1 (de) 2005-10-10 2007-04-12 Daubner & Stommel GbR Bau-Werk-Planung (vertretungsberechtigter Gesellschafter: Matthias Stommel, 27777 Ganderkesee) Verfahren zum Betreiben einer Windenergieanlage
DE102006041383B4 (de) * 2006-08-29 2008-07-03 Euros Entwicklungsgesellschaft für Windkraftanlagen mbH Windenergieanlage mit konusförmig angeordneten Rotorblättern
DE102006053712A1 (de) 2006-11-15 2008-05-21 Nordex Energy Gmbh Rotorblatt und Windkraftanlage
DE102007008166A1 (de) 2007-02-14 2008-08-21 Nordex Energy Gmbh Windenergieanlage mit einer Pitchdrehverbindung
DE102009015073A1 (de) * 2009-03-30 2010-10-07 Würthele, Klaus Versteifung des Nabenkörpers einer Windkraftanlage
US20130136612A1 (en) * 2011-11-25 2013-05-30 Clean Green Energy LLC Fluid driven turbine blade, and turbine using same
CN102518569A (zh) * 2012-01-11 2012-06-27 保定华翼风电叶片研究开发有限公司 风力发电机用叶片和具有其的风力发电机
DE102016012060A1 (de) * 2016-09-29 2018-03-29 Guido Becker Windkraftanlage
WO2018133963A1 (fr) * 2017-01-19 2018-07-26 Siemens Wind Power A/S Agencement de montage de pale
US11480148B2 (en) 2017-11-16 2022-10-25 Wobben Properties Gmbh Connection of a rotor blade to the rotor hub of a wind turbine
DE102017126970A1 (de) 2017-11-16 2019-05-16 Wobben Properties Gmbh Rotorblatt und Rotor für eine Windenergieanlage, Windenergieanlage, Verfahren zur Herstellung eines Rotorblatts, zur Verbindung eines Rotorblatts mit einer Rotornabe und zur Reparatur eines Rotors einer Windenergieanlage
DE102018005965A1 (de) * 2018-07-30 2020-01-30 Senvion Gmbh Rotorblatt für eine windenergieanlage, windenergieanlage; verfahren zum verlängern eines rotorblatts sowie verfahren zum herstellen eines rotorblatts
US11454219B2 (en) 2019-05-10 2022-09-27 General Electric Company Rotor assembly having a pitch bearing with a stiffener ring

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AT382689B (de) * 1985-02-13 1987-03-25 Thaller Heinrich Ing Halterung fuer einen windkonverter oder windgenerator zur erzeugung elektrischen stromes
EP0821161A1 (fr) * 1996-07-23 1998-01-28 aerodyn Energiesysteme GmbH Eolienne
WO1999014490A1 (fr) * 1997-09-04 1999-03-25 Lm Glasfiber A/S Rotor d'eolienne et pales correspondantes
WO2001042647A2 (fr) * 1999-12-09 2001-06-14 Aerpac Holding B.V. Rotor pour eolienne et moyeu et rallonge correspondants
DE20120324U1 (de) * 2001-12-15 2002-09-19 REpower Systems AG, 22335 Hamburg Rotorblatt für eine Windkraftanlage

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DE2825061A1 (de) * 1978-06-08 1979-12-13 Maschf Augsburg Nuernberg Ag Windrad
US4450613A (en) * 1982-01-21 1984-05-29 Wfi International, Inc. Method of manufacturing acute angled vessel connector
AT382689B (de) * 1985-02-13 1987-03-25 Thaller Heinrich Ing Halterung fuer einen windkonverter oder windgenerator zur erzeugung elektrischen stromes
EP0821161A1 (fr) * 1996-07-23 1998-01-28 aerodyn Energiesysteme GmbH Eolienne
WO1999014490A1 (fr) * 1997-09-04 1999-03-25 Lm Glasfiber A/S Rotor d'eolienne et pales correspondantes
WO2001042647A2 (fr) * 1999-12-09 2001-06-14 Aerpac Holding B.V. Rotor pour eolienne et moyeu et rallonge correspondants
DE20120324U1 (de) * 2001-12-15 2002-09-19 REpower Systems AG, 22335 Hamburg Rotorblatt für eine Windkraftanlage

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2863318A1 (fr) * 2003-12-09 2005-06-10 Ocea Sa Aerogenerateur a pales presentant un bord d'attaque deporte, et pale correspondante
EP1596063A3 (fr) * 2004-05-11 2009-12-02 REpower Systems AG Eolienne avec pales de rotor courbées
EP1596063B1 (fr) 2004-05-11 2016-09-28 Senvion GmbH Eolienne avec pales de rotor courbées
EP1815137B1 (fr) 2004-11-24 2018-09-05 Siemens Aktiengesellschaft Pale d'éolienne
EP1953383A4 (fr) * 2005-10-28 2012-12-05 Gamesa Innovation & Tech Sl Pale fendue pour eoliennes
ES2297998A1 (es) * 2005-10-28 2008-05-01 GAMESA INNOVATION & TECHNOLOGY, S.L. Pala partida para aerogeneradores.
WO2007051879A1 (fr) * 2005-10-28 2007-05-10 Gamesa Innovation & Technology, S.L. Pale fendue pour eoliennes
ES2297998B1 (es) * 2005-10-28 2009-07-20 GAMESA INNOVATION & TECHNOLOGY, S.L. Pala partida para aerogeneradores.
EP1953383A1 (fr) * 2005-10-28 2008-08-06 Gamesa Innovation & Technology, S.L. Pale fendue pour eoliennes
WO2008003389A1 (fr) * 2006-07-03 2008-01-10 Repower Systems Ag Moyeu de rotor d'une éolienne
US20090317256A1 (en) * 2006-07-03 2009-12-24 Repower Systems Ag Rotor hub of a wind energy plant
US8123485B2 (en) 2006-07-03 2012-02-28 Repower Systems Ag Rotor hub of a wind energy plant
EP1925818B1 (fr) 2006-11-21 2019-01-09 Senvion GmbH Rotor d'une éolienne avec cloison
GB2456716B (en) * 2006-11-27 2011-05-11 Lm Glasfiber As Pitch of blades on a wind power plant
WO2008064678A3 (fr) * 2006-11-27 2008-11-27 Lm Glasfiber As Inclinaison de pales pour aérogénérateur
GB2456716A (en) * 2006-11-27 2009-07-29 Lm Glasfiber As Pitch of blades on a wind power plant
CN101600879B (zh) * 2006-11-27 2012-07-18 Lm玻璃纤维有限公司 风力发电站上的叶片的桨距
US8267651B2 (en) 2006-11-27 2012-09-18 Lm Glasfiber A/S Pitch of blades on a wind power plant
WO2008064678A2 (fr) * 2006-11-27 2008-06-05 Lm Glasfiber A/S Inclinaison de pales pour aérogénérateur
EP2108819A3 (fr) * 2008-04-09 2013-12-04 Gamesa Innovation & Technology, S.L. Elément intermédiaire monté à la base d'une pale d'éolienne
ES2367933A1 (es) * 2008-04-09 2011-11-11 GAMESA INNOVATION & TECHNOLOGY, S.L. Extensor de la raíz de pala.
EP2108819A2 (fr) 2008-04-09 2009-10-14 Gamesa Innovation & Technology, S.L. Elément intermédiaire monté à la base d'une pale d'éolienne
US8337161B2 (en) 2008-10-16 2012-12-25 Gamesa Innovation & Technology, S.L. Blade root extender for a wind turbine
ES2371403A1 (es) * 2008-10-16 2012-01-02 GAMESA INNOVATION & TECHNOLOGY S.L. Extensor de raíz de pala para un aerogenerador.
WO2011050806A2 (fr) 2009-10-27 2011-05-05 Vestas Wind Systems A/S Adaptateur de moyeu de pale
CN102338045A (zh) * 2010-07-16 2012-02-01 上海电气风电设备有限公司 风轮增长环
WO2012164045A1 (fr) * 2011-05-31 2012-12-06 Dewind Europe Gmbh Rotor d'éolienne comportant une pale courbée
CN109113924A (zh) * 2011-12-22 2019-01-01 Lm Wp 专利控股有限公司 由具有不同类型的负载支承结构的内侧部分和外侧部分组装的风力涡轮机叶片
US10253751B2 (en) 2011-12-22 2019-04-09 LM WP Patent Holdings A/S Wind turbine blade assembled from inboard part and outboard part having different types of load carrying structures
WO2013092871A1 (fr) 2011-12-22 2013-06-27 Lm Wind Power A/S Pale d'éolienne assemblée à partir d'une partie à l'intérieur et d'une partie à l'extérieur ayant différents types de structures porteuses de charge
CN104271941A (zh) * 2011-12-22 2015-01-07 Lmwp专利控股有限公司 由具有不同类型的负载支承结构的内侧部分和外侧部分组装的风力涡轮机叶片
DK178606B1 (en) * 2012-02-16 2016-08-15 Gen Electric Mounting structure with a rotary for a wind turbine rotor blade and associated design methods
US9239040B2 (en) 2012-02-16 2016-01-19 General Electric Company Root end assembly configuration for a wind turbine rotor blade and associated forming methods
US9328716B2 (en) 2012-02-17 2016-05-03 Gamesa Innovation & Technology, S.L. Direct-drive wind turbine
CN104136770A (zh) * 2012-02-17 2014-11-05 歌美飒创新技术公司 直接驱动风力涡轮机
CN104136770B (zh) * 2012-02-17 2017-05-24 埃德温海上有限公司 直接驱动风力涡轮机
WO2013121054A1 (fr) * 2012-02-17 2013-08-22 Gamesa Innovation & Technology, S.L. Aérogénérateur à actionnement direct
US9074581B2 (en) 2012-06-12 2015-07-07 General Electric Company Cone angle insert for wind turbine rotor
US9109578B2 (en) 2012-06-12 2015-08-18 General Electric Company Root extender for a wind turbine rotor blade
EP2674614A3 (fr) * 2012-06-12 2017-10-04 General Electric Company Insert de l'angle de cône pour rotor de turbine éolienne
EP2679805A1 (fr) * 2012-06-29 2014-01-01 General Electric Company Insert de l'angle de cône pour rotor de turbine éolienne
US20140003946A1 (en) * 2012-06-29 2014-01-02 General Electric Company Cone angle insert for wind turbine rotor
US9664174B2 (en) 2013-11-22 2017-05-30 General Electric Company Aerodynamic root adapters for wind turbine rotor blades
US10018178B2 (en) * 2013-12-19 2018-07-10 Acciona Windpower, S.A. Wind turbine with blade pitch system
US20150176567A1 (en) * 2013-12-19 2015-06-25 Acciona Windpower, S.A. Wind Turbine with Blade Pitch System
US10507902B2 (en) 2015-04-21 2019-12-17 General Electric Company Wind turbine dome and method of assembly
WO2017194545A1 (fr) * 2016-05-10 2017-11-16 Wobben Properties Gmbh Pale de rotor d'éolienne et éolienne équipée de cette dernière
CN109072869A (zh) * 2016-05-10 2018-12-21 乌本产权有限公司 风能设施转子叶片和具有风能设施转子叶片的风能设施
US10954923B2 (en) 2016-05-10 2021-03-23 Wobben Properties Gmbh Wind-turbine rotor blade, and wind turbine having same
WO2018007403A1 (fr) * 2016-07-05 2018-01-11 Peter Lutz Pale de rotor et rotor pour éoliennes fonctionnant dans la gamme des mégawatts
DE102017004056A1 (de) 2017-04-27 2018-10-31 Senvion Gmbh Blattadapter für Windenergieanlagen
US10844833B2 (en) 2017-04-27 2020-11-24 Senvion Gmbh Blade adapter for wind turbines
CN113107759A (zh) * 2021-04-21 2021-07-13 远景能源有限公司 叶片扫塔预防装置及其安装方法、风力发电机

Also Published As

Publication number Publication date
DE10201726B4 (de) 2004-10-21
DE10201726A1 (de) 2003-08-07
AU2003206727A1 (en) 2003-07-30
AR038159A1 (es) 2004-12-29

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