DK2063116T3 - Direkte drevet generator og vindmølle - Google Patents

Direkte drevet generator og vindmølle Download PDF

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Publication number
DK2063116T3
DK2063116T3 DK07022882.0T DK07022882T DK2063116T3 DK 2063116 T3 DK2063116 T3 DK 2063116T3 DK 07022882 T DK07022882 T DK 07022882T DK 2063116 T3 DK2063116 T3 DK 2063116T3
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Denmark
Prior art keywords
stator
segment
rotor
ring
shaped
Prior art date
Application number
DK07022882.0T
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English (en)
Inventor
Henrik Stiesdal
Original Assignee
Siemens Ag
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Publication of DK2063116T3 publication Critical patent/DK2063116T3/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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/16—Centering rotors within the stator; Balancing rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • 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
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F05B2220/7066—Application in combination with an electrical generator via a direct connection, i.e. a gearless transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
    • 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
    • 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
    • Y02E10/728—Onshore wind turbines
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Wind Motors (AREA)

Claims (20)

1. Direkte drevet generator (2) til en vindmølle (1) omfattende en stator (17), som har mindst et statorelement (33) til elproduktion, og en rotor (16), som er anbragt inden i statoren (17), som er drejelig om en midterakse (A) af generatoren (2) og har mindst et rotorelement (25) til elproduktion, hvilken generator (2) har et luftmellemrum (34) mellem statorelementet (33) og rotorelementet (25), kendetegnet ved, at statoren (17) omfatter - et forreste og et bagerste ring-formet støtteelement (26, 27) og - statorsegmenter (28), som er fastgjort til det forreste og det bagerste ringformede støtteelement (26, 27) af statoren (17), hvor forbindelsesstederne (50, 51) mellem det forreste og det bagerste ring-formede støtteelement (26, 27) af statoren (17) og statorsegmenterne (28) er anbragt i en radius (R1) i forhold til midteraksen (A) af generatoren (2), som er mindre end radiussen (R2) af luftmellemrummet (34) mellem statorelementet (33) og rotorelementet (25), hvor det forreste og bagerste ring-formede støtteelement (26, 27) har radiusser, som er mindre end luftmellemrumsradiussen (R2).
2. Direkte drevet generator ifølge krav 1, hvor rotoren (16) omfatter - et forreste og et bagerste ring-formet støtteelement (18, 19) og - rotorsegmenter (20), som er fastgjort til det forreste og det bagerste ringformede støtteelement (18, 19) af rotoren (16), hvor forbindelsesstederne (52, 53) mellem det forreste og det bagerste ring-formede støtteelement (18, 19) af rotoren (16) og rotorsegmenterne (20) er anbragt i det væsentlige i en radius (R1) i forhold til midteraksen (A) af generatoren (2), som svarer til eller er mindre end radiussen (R2) af luftmellemrummet (34) mellem statorelementet (33) og rotorelementet (25).
3. Direkte drevet generator ifølge krav 2, hvor forbindelsesstederne (50, 51) af statoren (17) og forbindelsesstederne (52, 53) af rotoren (16) er anbragt i det væsentlige i samme radius (R1) i forhold til midteraksen (A) af generatoren (2).
4. Direkte drevet generator ifølge et af kravene 1 til 3, hvor statorsegmenter-ne (28) og/eller rotorsegmenterne (20) er udført på en sådan måde, at forbindelsesstederne (50, 51) mellem de ring-formede støtteelementer af stato-ren (26, 27) og statorsegmenterne (28) og/eller forbindelsesstederne (52, 53) mellem de ring-formede støtteelementer af rotoren (18, 19) og rotorsegmenterne (20) er anbragt i det væsentlige i en radius (R1) i forhold til midteraksen (A) af generatoren (2), som svarer til eller er mindre end radiussen (R2) af luftmellemrummet (34) mellem statorelementerne (33) og rotorelementerne (25).
5. Direkte drevet generator ifølge et af kravene 1 til 4, hvor hvert statorseg-ment er et ring-segment-formet statorsegment (28), som er fastgjort til det forreste og det bagerste ring-formede støtteelement (26, 27) af statoren (17) og omfatter mindst et statorelement (33) til elproduktion.
6. Direkte drevet generator ifølge et af kravene 2 til 5, hvor hvert rotorsegment er et ring-segment-formet rotorsegment (20), som er fastgjort til det forreste og det bagerste ring-formede støtteelement (18, 19) af rotoren (16) og omfatter mindst et rotorelement (25) til elproduktion.
7. Direkte drevet generator ifølge krav 5 eller 6, hvor et ring-segment-formet statorsegment (28) omfatter et ydre, ring-segment-formet statorstøtteelement (67), et radialt indadrettet forreste ring-segment-formet statorforbindelses-element (68), som er anbragt på forsiden af det ydre, ring-segment-formede statorstøtteelement (67), og et radialt indadrettet bagerste ring-segment-formet statorforbindelseselement (69), som er anbragt på bagsiden af det ydre, ring-segment-formede statorstøtteelement (67) til etablering af et indad åbent, ring-segment-formet statorsegment (28), hvor mindst et statorelement (33) er anbragt på indersiden af det ydre ring-segment-formede statorstøtteelement (67).
8. Direkte drevet generator ifølge krav 6 eller 7, hvor et ring-segment-formet rotorsegment (20) omfatter et ydre, ring-segment-formet rotorstøtteelement (54), et radialt indadrettet forreste ring-segment-formet rotorforbindelseselement (55), som er anbragt på forsiden af det ydre, ring-segment-formede rotorstøtteelement (54), og et radialt indadrettet bagerste ring-segment-formet rotorforbindelseselement (56), som er anbragt på bagsiden af det ydre, ring-segment-formede rotorstøtteelement (54) til etablering af et indad åbent, ring-segment-formet rotorsegment (20), hvor mindst et rotorelement (25) er anbragt på den udvendige side af det ydre ring-segment-formede rotorstøtteelement (54).
9. Direkte drevet generator ifølge et af kravene 2 til 8, hvor hvert rotorsegment (20) er mindst delvist anbragt inden i et statorsegment (28).
10. Direkte drevet generator ifølge et af kravene 2 til 9, hvor et statorsegment (28) og mindst et rotorsegment (20) i det mindste midlertidigt kan understøtte hinanden.
11. Direkte drevet generator ifølge et af kravene 2 til 10, hvor hvert statorsegment (28) omfatter første understøttende fremspring (60, 61), og hvert rotorsegment (20) omfatter anden understøttende fremspring (57, 58), hvor de første understøttende fremspring (60, 61) af et statorsegment (28), og de anden understøttende fremspring (57, 58) af et rotorsegment (20) i det mindste midlertidigt kan understøtte hinanden.
12. Direkte drevet generator ifølge krav 11, hvor hvert ring-segment-formet statorforbindelseselement (68, 69) af et ring-segment-formet statorsegment (28) omfatter mindst et første understøttende fremspring (60, 61), og hvor hvert ring-segment-formet rotorforbindelseselement (55, 56) af et ring-segment-formet rotorsegment (54) omfatter mindst et andet understøttende fremspring (57, 58).
13. Direkte drevet generator ifølge et af kravene 2 til 12, hvor et statorsegment (28) og mindst et rotorsegment (20) i det mindste midlertidigt kan danne en stator/rotor-segmentenhed.
14. Direkte drevet generator ifølge et af kravene 1 til 13, hvor bredden af luftmellemrummet (34) mellem et statorelement (33) og et rotorelement (25) er justerbar.
15. Direkte drevet generator ifølge et af kravene 1 til 14, hvor forbindelsesstederne (50, 51) mellem de ring-formede støtteelementer (26, 27) af stato-ren (17) og statorsegmenterne (28) og/eller forbindelsesstederne (52, 53) mellem de ring-formede støtteelementer (18, 19) af rotoren (16) og rotorsegmenterne (20) omfatter justeringsmidler til justering af bredden af luftmellemrummet.
16. Direkte drevet generator ifølge krav 15, hvor justeringsmidlerne omfatter mindst et mellemlæg.
17. Direkte drevet generator ifølge et af kravene 1 til 16, hvor et statorseg-ment (28) omfatter mindst en viklingsform (75) med en vikling (76) som et statorelement, og/eller hvor et rotorsegment (20) omfatter mindst en permanent magnet (25) som et rotorelement (25).
18. Direkte drevet generator ifølge et af kravene 1 til 17, hvor statorsegmen-terne (28) og de ring-formede støtteelementer (26, 27) af statoren (17), og/eller rotorsegmenterne (20) og de ring-formede støtteelementer (18, 19) af rotoren (16) omfatter flanger (21 - 24, 29 - 32), der strækker sig aksialt og/eller radialt, til montering.
19. Direkte drevet generator ifølge et af kravene 1 til 18, hvor mindst et af de ring-formede støtteelementer (18, 19) af rotoren (16) og/eller mindst et af de ring-formede støtteelementer (26, 27) af statoren (17) omfatter mindst et mandehul (70) for at få adgang til de indvendige dele af generatoren.
20. Vindmølle, som omfatter en direkte drevet generator ifølge et af kravene 1 til 19.
DK07022882.0T 2007-11-26 2007-11-26 Direkte drevet generator og vindmølle DK2063116T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07022882.0A EP2063116B1 (en) 2007-11-26 2007-11-26 Direct drive generator and wind turbine

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DK2063116T3 true DK2063116T3 (da) 2017-03-20

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US (1) US8089175B2 (da)
EP (1) EP2063116B1 (da)
CN (1) CN101447703B (da)
DK (1) DK2063116T3 (da)

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Also Published As

Publication number Publication date
US20090134628A1 (en) 2009-05-28
EP2063116B1 (en) 2016-12-28
CN101447703A (zh) 2009-06-03
CN101447703B (zh) 2013-03-13
US8089175B2 (en) 2012-01-03
EP2063116A1 (en) 2009-05-27

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