WO2008000882A1 - Assemblage rotatif pour aérogénérateurs - Google Patents

Assemblage rotatif pour aérogénérateurs Download PDF

Info

Publication number
WO2008000882A1
WO2008000882A1 PCT/ES2007/070120 ES2007070120W WO2008000882A1 WO 2008000882 A1 WO2008000882 A1 WO 2008000882A1 ES 2007070120 W ES2007070120 W ES 2007070120W WO 2008000882 A1 WO2008000882 A1 WO 2008000882A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
rotary joint
section
housing
shaft
Prior art date
Application number
PCT/ES2007/070120
Other languages
English (en)
Spanish (es)
Inventor
David Grijalba Hernandez
Allan Kilian
Mogens Christensen
Original Assignee
Gamesa Innovation & Technology, S.L.
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 Gamesa Innovation & Technology, S.L. filed Critical Gamesa Innovation & Technology, S.L.
Publication of WO2008000882A1 publication Critical patent/WO2008000882A1/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
    • 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
    • F03D7/0224—Adjusting blade pitch
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • 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
    • F05B2270/00—Control
    • F05B2270/60—Control system actuates through
    • F05B2270/604—Control system actuates through hydraulic actuators
    • 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 rotary joint of the type used in wind turbines with hydraulic or electric blade pitch control. These joints allow to pump a fluid, transmit signals and electrical supply from the gondola or nacelle, to the rotor, which is rotating.
  • EP1105645B1 shows a method and mechanism for adjusting / controlling the passage of at least one blade of a wind turbine relative to a wind direction parallel to a main longitudinal axis of the wind turbine.
  • this patent refers to a mechanism for orienting a blade that rotates about its longitudinal axis, when the means for activating the mechanism are located both on the back of the main longitudinal axis and on the front of it.
  • the present invention proposes an apparatus that solves the problems present in the state of the art indicated above, by locating the rotary joint that can comprise a hydraulic rotary joint and an electric rotary joint either inside the rotor, or inside of the main axis. With this arrangement, the hoses / cables through the powertrain do not rotate, and therefore are not subject to unwanted wear caused by a rotation.
  • the invention describes a rotary joint for wind turbines comprising: a gondola; a rotor; An energy transfer system.
  • the rotary union allows energy to be transmitted between static ducts such as pipes / wiring in the gondola and rotating ducts such as pipes / wiring in the rotor and the aforementioned rotating union comprises: an axis fixed to the gondola, internally and substantially parallel to the rotor, which has means of energy conduction extending from a first end oriented towards the gondola, to a second end opposite the first end and oriented towards the rotor and a rotating energy transfer joint connected to the second end.
  • the energy transfer system may comprise a hydraulic system for transferring a pumped fluid from static pipes in the gondola to rotary pipes in the rotor so that the rotary joint comprises a hydraulic rotary joint.
  • the energy transfer system may further comprise a first electrical system for transporting a supply of electrical energy from first static cables in the gondola to first rotary cables in the rotor such that the rotary union comprises an electrical rotary union.
  • the energy transfer system may also comprise a second electrical system for transmitting an electrical signal from second rotating wires in the rotor to second static wires in the gondola so that the rotating joint comprises an electric rotating joint.
  • the shaft may comprise: a first fluid feed inlet and a first fluid return outlet at the first end; a first fluid feed outlet and a first fluid return inlet at the second end;
  • the hydraulic rotary joint may comprise: a first housing connected to the rotor so that the first housing rotates at rotor speed; a second fluid feed inlet connected to the first fluid feed outlet; a second fluid return outlet connected to the first return inlet of fluid; a second fluid feed outlet in the first housing connected to a third fluid feed inlet located in the rotor; a second fluid return inlet in the first housing connected to a third fluid return outlet located in the rotor.
  • the shaft can further comprise internal electrical conduction means extending from: the first end having a first electrical connection to; the second end having a second electrical connection;
  • An electric rotary joint may be located next to the hydraulic rotary joint, connected to the second end and have: a second housing connected to a selected fixture between the rotor, the first housing and combinations thereof, so that the second housing rotates to rotor speed; a first junction box connected to the second electrical connection; at least a second junction box or friction rings in the second housing connected to a third electrical connection located in the rotor.
  • the rotary joint of the invention can also be installed in a wind turbine comprising a multiplier having an input shaft coupled to the rotor and an output shaft.
  • the rotating union can be installed in a wind turbine which also comprises a generator coupled to the output shaft.
  • the axis of the rotating union may comprise: a first section between the second end and the multiplier, said first section being removable from; a second section between the multiplier and the hydraulic rotary union.
  • the axis may comprise: a first section between the second end and the multiplier, said first section being removable from; a second section between the multiplier and an adapter; a third section between the adapter and the hydraulic rotary union; the second section, the third section and the adapter being removable from each other.
  • the first section may be an axis where a plurality of components of the generator rotate, just as the second section can be an axis where a plurality of components of the multiplier rotate.
  • the second fluid feed outlet can be perpendicular to the direction of the rotor shaft.
  • the second fluid return inlet can be perpendicular to the direction of the rotor.
  • the generator may be fixed to the gondola in a housing;
  • the rotary joint may further comprise a hollow coupling between the multiplier and the generator.
  • the generator may be fixed to the multiplier.
  • the coupling may be located behind the generator.
  • the second end may be fixed to the generator housing.
  • the rotary joint may comprise a hollow main shaft connected between the rotor and the multiplier so that the hollow main shaft and the inner shaft rotate at a rotor speed determined by the rotor.
  • the shaft can be substantially concentric with the hollow main shaft.
  • the hydraulic rotary joint can be located either inside the hollow main shaft or inside the rotor.
  • the electric rotary joint can be located either inside the hollow main shaft or inside the rotor.
  • the hydraulic system can be a blade pitch angle control
  • Figure 1 is an overall view of the components of the invention.
  • Figure 2 is a detailed view of the rotary joint.
  • Figure 3 is a diagram of the rotary joint.
  • Figure 1 shows the arrangement of a rotary joint in a wind turbine comprising a gondola (1), a rotor (2), a multiplier (3) having an input shaft coupled to the rotor (2) and an output shaft, a generator (7) coupled to the output shaft and a hydraulic system.
  • the rotating union comprises: an axis (5) fixed to the gondola (1), internal and substantially parallel to the rotor (2), having; the first end of a first fluid feed inlet (511) and a first fluid return outlet (500); the second end of a first fluid feed outlet (510) and a first fluid return inlet (501); a hydraulic rotary joint (6) connected to the second end which has: a first housing (60) connected to the rotor (2) for the first housing to rotate at rotor speed (2); a second fluid feed inlet (611) connected to the first fluid feed outlet (510); a second fluid return outlet (600) connected to the first fluid return inlet (501); a second fluid feed outlet (610) in the first housing connected to a third fluid feed inlet (211) located in the rotor (2); a second fluid return inlet (601) in the first housing connected to a third fluid return outlet (200) located in the rotor (2).
  • hydraulic rotary joint (6) is provided with: a second fluid feed inlet (611); a second fluid feed outlet (610); a second fluid return inlet (601); a second fluid return outlet (600);
  • the rotor (2) is provided with: a third fluid feed inlet (211); a third fluid return outlet (200).
  • the axis (5) of the rotary joint may comprise: a first section between the second end and the multiplier (3), said first section being removable from; a second section between the multiplier (3) and an adapter (9); a third section between the adapter (9) and the hydraulic rotary joint (6); the second section, the third section and the adapter (9) being removable from each other.
  • the generator (7) is fixed to the gondola (1) in a housing;
  • the rotating union further comprises a hollow coupling (8) between the multiplier
  • the rotary joint may comprise a hollow main shaft (4) connected between the rotor (2) and the multiplier (3) so that the hollow main shaft (4) and the inner shaft rotate to a rotor speed determined by the rotor
  • the shaft (5) may further comprise internal electrical conduction means extending from: the first end having a first electrical connection (51) to; the second end having a second electrical connection (52); further comprising the rotary joint: an electric rotary joint (10) following the hydraulic rotary joint (6), connected to the first end and having: a second housing connected to a selected fixture between the rotor (2), the first housing and combinations thereof, so that the second housing rotates at the rotor speed (2); a first junction box (101) connected to the second electrical connection (52); at least a second junction box or friction rings (102) in the second housing connected to a third electrical connection (23) located in the rotor (2).
  • internal electrical conduction means extending from: the first end having a first electrical connection (51) to; the second end having a second electrical connection (52); further comprising the rotary joint: an electric rotary joint (10) following the hydraulic rotary joint (6), connected to the first end and having: a second housing connected to a selected fixture between the rotor (2), the first housing and combinations thereof, so

Abstract

L'invention concerne un assemblage rotatif pour aérogénérateurs pour transvaser un fluide pompé depuis la gondole (1) vers le rotor (2) comprenant une conduite (5) fixée à la gondole (1), interne et sensiblement parallèle à l'axe du rotor (2), qui comprend des moyens de conduction hydraulique et électrique dotés d'une première extrémité orientée vers la gondole (1) où ni les câbles ni les tuyaux hydrauliques ne tournent; d'une seconde extrémité opposée à la première pourvue d'une première entrée de fluide au joint rotatif hydraulique (6) et d'une seconde entrée de câbles connectée au joint rotatif électrique (10). Les deux joints transforment leur entrée statique en une sortie rotative selon la vitesse de l'axe (4) et du rotor (2).
PCT/ES2007/070120 2006-06-21 2007-06-19 Assemblage rotatif pour aérogénérateurs WO2008000882A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESES200601673 2006-06-21
ES200601673A ES2321252B1 (es) 2006-06-21 2006-06-21 Union rotativa para aerogeneradores.

Publications (1)

Publication Number Publication Date
WO2008000882A1 true WO2008000882A1 (fr) 2008-01-03

Family

ID=38845169

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2007/070120 WO2008000882A1 (fr) 2006-06-21 2007-06-19 Assemblage rotatif pour aérogénérateurs

Country Status (3)

Country Link
CN (1) CN101473135A (fr)
ES (1) ES2321252B1 (fr)
WO (1) WO2008000882A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2392819A1 (fr) * 2010-05-31 2011-12-07 HAWE Hydraulik SE Dispositif de réglage rotatif hydroélectrique des pales de rotor sur le rotor d'une éolienne
WO2011117082A3 (fr) * 2010-03-26 2012-03-08 Siemens Aktiengesellschaft Turbine éolienne, système de transport et méthodes d'exploitation, de maintenance et de construction d'une turbine éolienne
WO2011117081A3 (fr) * 2010-03-26 2012-05-10 Siemens Aktiengesellschaft Éolienne et son procédé de construction
US20120134827A1 (en) * 2011-09-09 2012-05-31 Mitsubishi Heavy Industries, Ltd. Pitch driving unit for for wind-turbine rotor blade and wind power generator equipped with the same
WO2011117080A3 (fr) * 2010-03-26 2012-06-28 Siemens Aktiengesellschaft Éolienne à un entraînement direct, système de transport et procédé de construction d'une telle éolienne
WO2014055099A1 (fr) * 2012-10-02 2014-04-10 Rose Michael L Appareil de mélange de béton doté d'un tambour mélangeur à température variable et procédé associé permettant de stabiliser un lot de béton à une température optimale

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2376569B2 (es) * 2009-03-13 2012-07-18 Gamesa Innovation & Technology S.L. Método y útil para la fijación del tubo hueco de transmisión de energía al eje principal de la multiplicadora.
ES2394576B1 (es) * 2010-01-26 2013-12-12 Gamesa Innovation & Technology, S.L. Union rotativa electrica de media tension
DE102012000341A1 (de) * 2012-01-11 2013-07-11 Voith Patent Gmbh Windkraftanlage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201514A (en) * 1976-12-04 1980-05-06 Ulrich Huetter Wind turbine
GB2071779A (en) * 1980-03-17 1981-09-23 United Technologies Corp Wind turbine blade pitch adjustment system
WO1998013182A1 (fr) 1996-09-26 1998-04-02 Alphacan Procede et installation de traitement de tubes en matiere plastique avec etirage bi-axial
ES2209172T3 (es) * 1997-07-25 2004-06-16 Aloys Wobben Aerogenerador.
ES2214745T3 (es) * 1997-11-04 2004-09-16 Windtec Anlagenerrichtungs- Und Consulting Gmbh Instalacion de energia eolica.
EP1533520A1 (fr) * 2003-11-18 2005-05-25 HAWE Hydraulik GmbH & Co. KG Système de réglage électrohydraulique régénérative de l'incidence des pales de turbine éolienne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201514A (en) * 1976-12-04 1980-05-06 Ulrich Huetter Wind turbine
GB2071779A (en) * 1980-03-17 1981-09-23 United Technologies Corp Wind turbine blade pitch adjustment system
WO1998013182A1 (fr) 1996-09-26 1998-04-02 Alphacan Procede et installation de traitement de tubes en matiere plastique avec etirage bi-axial
ES2209172T3 (es) * 1997-07-25 2004-06-16 Aloys Wobben Aerogenerador.
ES2214745T3 (es) * 1997-11-04 2004-09-16 Windtec Anlagenerrichtungs- Und Consulting Gmbh Instalacion de energia eolica.
EP1533520A1 (fr) * 2003-11-18 2005-05-25 HAWE Hydraulik GmbH & Co. KG Système de réglage électrohydraulique régénérative de l'incidence des pales de turbine éolienne

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011117082A3 (fr) * 2010-03-26 2012-03-08 Siemens Aktiengesellschaft Turbine éolienne, système de transport et méthodes d'exploitation, de maintenance et de construction d'une turbine éolienne
WO2011117081A3 (fr) * 2010-03-26 2012-05-10 Siemens Aktiengesellschaft Éolienne et son procédé de construction
WO2011117080A3 (fr) * 2010-03-26 2012-06-28 Siemens Aktiengesellschaft Éolienne à un entraînement direct, système de transport et procédé de construction d'une telle éolienne
US20130011273A1 (en) * 2010-03-26 2013-01-10 Siemens Aktiengesellschaft Wind turbine and method of construction of a wind turbine
US9188106B2 (en) 2010-03-26 2015-11-17 Siemens Aktiengesellschaft Wind turbine
US9194364B2 (en) 2010-03-26 2015-11-24 Siemens Aktiengesellschaft Direct drive wind turbine, transport system and method of construction of a direct drive wind turbine
US9759190B2 (en) * 2010-03-26 2017-09-12 Siemens Aktiengesellschaft Wind turbine and method of construction of a wind turbine
EP2392819A1 (fr) * 2010-05-31 2011-12-07 HAWE Hydraulik SE Dispositif de réglage rotatif hydroélectrique des pales de rotor sur le rotor d'une éolienne
US20120134827A1 (en) * 2011-09-09 2012-05-31 Mitsubishi Heavy Industries, Ltd. Pitch driving unit for for wind-turbine rotor blade and wind power generator equipped with the same
US8608442B2 (en) * 2011-09-09 2013-12-17 Mitsubishi Heavy Industries, Ltd. Pitch driving unit for wind-turbine rotor blade and wind power generator equipped with the same
WO2014055099A1 (fr) * 2012-10-02 2014-04-10 Rose Michael L Appareil de mélange de béton doté d'un tambour mélangeur à température variable et procédé associé permettant de stabiliser un lot de béton à une température optimale

Also Published As

Publication number Publication date
CN101473135A (zh) 2009-07-01
ES2321252A1 (es) 2010-04-12
ES2321252B1 (es) 2011-02-14

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