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
• • 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
  • 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
  • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
  • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
• • 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
  • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
  • F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
• • 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
  • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
  • F05B2260/79—Bearing, support or actuation arrangements therefor
• • 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
  • F05B2270/602—Control system actuates through electrical 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 wind turbine with a
• Machine carrier one about a rotor axis rotatably mounted on the machine carrier and a rotor hub and a plurality of rotor blades comprising rotor, each in the direction of a transverse or substantially transverse to the rotor axis
• each rotor blade extends extending blade axis about which the respective rotor blade is rotatably mounted on the rotor hub, and each rotor blade at least one control cabinet, in which an electrical circuit for actuating at least one
• a wind turbine with a rotor is known, at the rotor hub a plurality of rotor blades are rotatably supported about its axis.
• a control cabinet with an accumulator is arranged, which can be connected via a switch with an electric motor for adjusting the angle of attack of one of the rotor blades.
• Rotor hub 2 and more attached to the rotor hub 2 Rotor blades 3, 4 and 5 shows, each associated with a blade bearing 6, 7 and 8, by means of which the respective rotor blade is rotatably mounted on the hub 2. Further, each rotor blade 3, 4 and 5, a control cabinet 9, 10 and 11 associated, which is arranged in the region of the respective sheet bearing.
• the rotor axis 12, about which the rotor 1 rotates, extends according to FIG. 4 into the plane of the page.
• Rotor blades are rotatable relative to the hub 2, extend transversely to the rotor axis 12th
• the present invention seeks to be able to realize the design of the control cabinets largely independent of the shape of the rotor hub in a wind turbine of the type mentioned.
• the wind turbine according to the invention has a
• Machine carrier one about a rotor axis rotatably mounted on the machine carrier and a rotor hub and a plurality of rotor blades comprising rotor, each in the direction of a transverse or substantially transverse to the rotor axis extend extending blade axis about which the respective rotor blade is rotatably mounted on the rotor hub, and per rotor blade at least one control cabinet, in which an electrical circuit for actuating at least one
• Rotor hub vary without any adjustment of the
• radial is meant a direction perpendicular or substantially perpendicular to the rotor axis.
• the control cabinets are fastened in particular in and / or on the rotor hub.
• the cabinets are mounted centrally in the rotor hub.
• the control cabinets touch, so that a particularly compact control cabinet arrangement can be created.
• the cabinets are in
• the cabinets consist of one
• the cabinets are made of metal, in particular stainless
• the electrical circuits are electrically connected to each other by means of at least one, preferably through the contact area extending electrical connection.
• the electrical connection may include one or more electrical leads and / or one or more electrical connectors.
• holes may be provided in the walls of the control cabinets in the contact area, through which the electrical connections, in particular in the form of electrical lines, extend therethrough.
• the electrical circuits preferably each comprise an electrical control for controlling the respective associated Blattwinkelverstellantriebs.
• Blattwinkelverstellantriebe is preferably formed electrically and in particular comprises one or more electric motors.
• the cabinets form a rotor axis closed enclosing arrangement.
• the Switchgear cabinets very space-saving to arrange.
• the cabinets are connected to each other and / or attached to each other.
• the cabinets can each form a separate structural unit, which is especially made separately.
• the cabinet assembly is formed by a cabinet enclosing the container whose
• the Interior is divided in particular by partitions in several areas, which form the cabinets.
• the partitions provided in the container interior thus serve as walls of the cabinets and separate them at the same time from each other.
• the container forms in this sense a parent cabinet.
• the partitions, in particular together with the wall of the container form a honeycomb structure whose honeycombs form, in particular, the control cabinets.
• the invention enables a uniform design for the control cabinets, largely independent of the number of rotor blades and the hub design, so that the
• all cabinets have the same shape, for example the shape of a polygon.
• the control cabinets each have a trapezoidal shape in a plane transverse to the rotor axis. This form is particularly well suited to the realization of the rotor axis closed enclosing arrangement.
• each rotor blade is exactly one
• Control cabinet provided.
• the number of control cabinets is preferably three. Alternatively, the number of cabinets but also two or greater than three.
• the design of the cabinets can be independent of the design of the hub. Furthermore, the cabinets are exposed by the central location of a lower centrifugal force. Due to the compact
• Arrangement of the control cabinets can also lower
• control cabinets also improves the accessibility of the leaf bearings, the drives and the
• touch control cabinets directly can be largely dispensed with external cable connections.
• the number of cable guides in the hub can be reduced.
• FIG. 1 is a schematic representation of a wind turbine according to a first embodiment of the invention
• Fig. 2 is a plan view of the rotor of FIG. 1 in
• Fig. 3 is a plan view of a rotor according to a
• FIG. 4 is a plan view of a conventional rotor.
• FIG. 1 is a schematic view of a
• Wind turbine 16 according to a first embodiment of the invention can be seen, wherein the wind turbine 16 comprises a standing on a foundation 17 tower 18, at its end facing away from the foundation 17 a nacelle 19 is arranged.
• the machine house 19 has a
• Machine support 20 on which a rotor 1 is rotatably mounted about a rotor axis 12, which comprises a rotor hub 2 and a plurality of rotor blades 3, 4 and 5 connected thereto.
• the rotor 1 is mechanically connected to an electric generator 21
• a cabinet assembly 22 is attached, which is composed of a plurality of cabinets 9, 10 and 11.
• the control cabinets 9, 10 and 11 each comprise an electrical control device 23, 24 and 25, wherein the
• Control devices 23, 24 and 25 each with a
• Fig. 2 is a plan view of the rotor 1 can be seen, it being clear that the cabinets 9, 10 and 11 are configured similar and in a transverse to
• Rotor axis 12 extending plane each have a trapezoidal shape.
• the cabinets 9, 10 and 11 consist of
• control cabinets 9, 10 and 11 form separate components that contribute to the
• Cabinet assembly 22 are composed, the electrical leads 30, 31 and 32 preferably comprise
• Connectors e.g. are provided on the walls of the cabinets.
• the electrical lines can also extend through holes which are provided in walls of the control cabinets 9, 10 and 11.
• the connectors and / or holes are merely indicated and designated by the reference numerals 33, 34 and 35.
• FIG. 2 From Fig. 2 it can be seen that the cabinet assembly 22 is seated radially in the middle of the rotor hub 2 and a
• control cabinet arrangement 22 forms a rotor axis 12 closed enclosing arrangement.
• FIG. 3 is a plan view of a rotor 1 according to a second embodiment of the invention can be seen, wherein The first embodiment similar or identical features with the same reference numerals as in the first
• control cabinet arrangement 22 has a honeycomb structure whose honeycombs form the control cabinets 9, 10 and 11.
• the walls 36, 37 and 38 of the control cabinets 9, 10 and 11 form inner walls which are arranged in a bounded by a circumferential outer wall 39 interior 40 of a container which forms the control cabinet assembly 22 and is arranged radially in the center of the rotor hub 2.
• the cabinets 9, 10 and 11 but also form separate units that are attached to each other.
• the rotor according to the second embodiment may replace the rotor according to the first embodiment in the wind turbine of FIG. 1.

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)

Applications Claiming Priority (2)

Publications (1)

Family

ID=43734403

Family Applications (1)

Country Status (6)

Families Citing this family (5)

Family Cites Families (18)

• 2009
  • 2009-09-17 DE DE202009018902.3U patent/DE202009018902U1/de not_active Expired - Lifetime
  • 2009-09-17 DE DE102009044036A patent/DE102009044036A1/de not_active Withdrawn
• 2010
  • 2010-09-12 US US13/395,772 patent/US20120177492A1/en not_active Abandoned
  • 2010-09-12 WO PCT/EP2010/063336 patent/WO2011032897A2/de active Application Filing
  • 2010-09-12 KR KR1020127009890A patent/KR20120081159A/ko not_active Application Discontinuation
  • 2010-09-12 EP EP10763144A patent/EP2478217A2/de not_active Withdrawn
  • 2010-09-13 CN CN2010205301036U patent/CN201874753U/zh not_active Expired - Fee Related
  • 2010-09-13 CN CN201010282589.0A patent/CN102022256B/zh active Active

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