DK2523316T3 - Generatorrotor, fremgangsmåde til samling og tilhørende indføringsværktøj - Google Patents

Generatorrotor, fremgangsmåde til samling og tilhørende indføringsværktøj Download PDF

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Publication number
DK2523316T3
DK2523316T3 DK11382142.5T DK11382142T DK2523316T3 DK 2523316 T3 DK2523316 T3 DK 2523316T3 DK 11382142 T DK11382142 T DK 11382142T DK 2523316 T3 DK2523316 T3 DK 2523316T3
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DK
Denmark
Prior art keywords
anchors
generator
permanent magnet
rotor
modules
Prior art date
Application number
DK11382142.5T
Other languages
English (en)
Inventor
Casais César Muñiz
Estecha Santiago Claramunt
Original Assignee
Alstom Renewable Technologies
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278Surface mounted magnets; Inset magnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • F03D15/20Gearless transmission, i.e. direct-drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807Rotary generators
    • H02K7/1823Rotary generators structurally associated with turbines or similar engines
    • H02K7/183Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2213/00Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/12Machines characterised by the modularity of some components
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K999/00PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS dummy group
    • H05K999/99PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS dummy group dummy group
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49009Dynamoelectric machine
    • Y10T29/49012Rotor
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/5313Means to assemble electrical device
    • Y10T29/53143Motor or generator

Claims (14)

erator. In these cases, one module may be inserted from thereof are possible. Furthermore, the present invention the front and one module may be inserted from the rear. coversall possible combinationsofthe particular embod- Similarly, in some embodiments, the anchors may span iments described. Thus, the scope of the present inven- the length of the generator. In other embodiments, the tion should not be limited by particular embodiments, but anchors are divided in various segments that together should bedetermined only by a fair reading of the claims span the length of the generator. that follow. [0047] In figure 3b, a generally similar assembly method using a slightly different insertion tool is illustrated. In this example, the permanent magnet modules are fixed to the rotor rim before positioning the stator and the rotor with respect to each other. The insertion tool 60 comprises a curved plate 61 with guiding elements 62 and insertion tracks 63 defined between them as in the previous example. [0048] In this example, the insertion tool 60 comprises a mounting bracket 67 for its attachment to an inner portion of the rotor rim. The assembly method is further similar to the method described with reference to figure 3a. A track 33 defined between two anchors 30a and 30b is indicated in figure 3b. [0049] In figures 3a and 3b, once again a configuration wherein a generator stator is arranged outside a generatorrotor is shown. It will be clear that the assembly method and insertion tool will be similar in a configuration in which the generator rotor is arranged outside the generator stator. [0050] Figure 4a illustrates a cross-sectional view of an anchor and a permanent magnet module according to an embodiment of the present invention. In this example, the grooves 26 in the side surfaces of the permanent magnet module 20’ are substantially triangular. Similarly as in the previous example, the grooves 26 comprise a contact surface 26a, which in use comes into contact with the contact surface 38b of the anchor 30’ to anchor the permanent magnet module to the rotor rim. [0051] The anchor 30’ shown in figure 4 has a cross-section with a substantially isosceles trapezoidal shape. It may be said that two anchoring portions 38 extend from a central portion of the anchor. The anchoring portions 38 comprise a contact surface 38b and a fitting surface 38a. The anchor furthermore comprises a hole 37 adapted to fit e.g. a bolt. In an alternative embodiment, the anchor may have a substantially triangular cross-section and fit in the same groove 26 of permanent magnet module 20’. [0052] Figures 4b and 4c show alternative permanent magnet modules 20" and 20"’, which comprise alternative shapes of the axially extending grooves in their side surfaces. Suitably shaped anchors may be used in combination with these modules to fix them in place along the outer circumference of a rotor rim. It will be clear that further alternative shapes of the grooves may be chosen without departing from the scope of the present invention. [0053] Although only a number of particular embodiments and examples of the invention have been disclosed herein, it will be understood by those skilled in the art that other alternative embodiments and/or uses of the invention and obvious modifications and equivalents
1. Generatorrotor omfattende en rotorrand (10) og en flerhed af permanente magnetmoduler (20) og en flerhed af ankre der kan fastgøres (30), ved en ydre eller indre periferi af rotorens rand (10), således at de permanente magnetmoduler (20) kan indsættes og forskydes mellem to ankre ved siden af hinanden (30), når ankrene (30) er løst fastgjort og således at ankrene (30) i det væsentlige fastholder de permanente magnetmoduler (20) til rotoren, når ankrene (30) er solidt fastgjort, hvor de permanente magnetmoduler (20) omfatter en basis (21) der har en bundflade, to aksialt forløbende sideflader og en øverste overflade, og en eller flere rækker af magneter (22) monteret på den nævnte øverste overflade, hvor de to sideflader af basis (21) af de permanente magnetmoduler (20) hver omfatter en aksialt forløbende rille, og hvori ankrene (30) har en form, der i det væsentlige passer nøjagtigt i de aksialt forløbende riller af permanente magnetmoduler (20) ved siden af hinanden.
2. Generatorrotor ifølge krav 1, hvor hvert permanent magnetmodul (20) omfatter en enkelt række af magneter (22).
3. Generatorrotor ifølge krav 1, hvor hvert permanent magnetmodul (20) omfatter mindst to rækker af magneter (22).
4. Generatorrotor ifølge ethvert af kravene 1 - 3, hvor ankrene (30) er i det væsentlige T-formede.
5. Generatorrotor ifølge ethvert af kravene 1-4, hvor de permanente magnetmoduler (20), de permanente magneter (22) er limet til den øverste overflade af basis (21) elementet.
6. Generatorrotor ifølge ethvert af kravene 1-5, hvor de permanente magnetmoduler (20), de permanente magneter (22) er skruet på den øverste overflade af basis (21) elementet.
7. Generatorrotor ifølge ethvert af kravene 1-6, hvor de permanente magnetmoduler (20) omfatter én eller flere remme (27), som er fastgjort på forsiden og bagsiden af basiselementet til fastholdelse af de permanente magneter (22) til basis (21).
8. Generatorrotor ifølge ethvert af kravene 1-7, hvor de permanente magneter (20) er dækket med et ikke-magnetisk materiale.
9. Generatorrotor ifølge ethvert af kravene 1-8, hvor de permanente magnetmoduler (20) har en længde der i det væsentlige svarer til halvdelen af længden af generatoren.
10. Indføringsværktøj (50) til brug ved samling af en generatorrotor ifølge ethvert af kravene 1 - 9, der omfatter en i det væsentlige buet plade med en flerhed af styrende elementer, krumningen af pladen (51) svarende til krumningen af rotorkransen (10) og formen af de styrende elementer i det væsentlige svarer til formen af ankrene (30), to styrende elementer ved siden af hinanden, der definerer et indføringsspor mellem dem, som yderligere omfatter et fastgørelsesbeslag (54) til fastgørelse af indføringsværktøjet (50 ) til en generatorstator.
11. Indføringsværktøj ifølge krav 10, som yderligere omfatter en aktuatortil bevægelse af et permanent magnetmodul (20) langs et indføringsspor.
12. Fremgangsmåde til samling af en generatorrotor ifølge ethvert af kravene 1 - 9, omfattende løs fastgørelse af to eller flere ankre (30) til rotorkransen (10), indføring af et permanent magnetmodul (20) mellem to af de nævnte ankre (30) og solid fastgørelse af ankrene (30) til rotorkransen (10).
13. Fremgangsmåde ifølge krav 12, hvor indføring af et permanent magnetmodul (20) omfatter fastgørelse af et indføringsværktøj (50) ifølge ethvert af kravene 10 eller 11 til generatoren på en sådan måde, at de styrende elementer (52) af indføringsværktøjet (50) flugter med ankrene (30) af generatorrotoren, og indføring af et permanent magnetmodul (20) ved at skyde modulet langs indføringssporet af indføringsværktøjet (50).
14. Gearløs vindmølle omfattende en generator med en generatorrotor ifølge ethvert af kravene 1 -9. (
. Figure 1a (
Figure 1b
Figure 2a TI
(θ' c 5 ΙΌ CT
Figure 3b
Fig. 4b
Fig. 4c
DK11382142.5T 2011-05-11 2011-05-11 Generatorrotor, fremgangsmåde til samling og tilhørende indføringsværktøj DK2523316T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11382142.5A EP2523316B8 (en) 2011-05-11 2011-05-11 Generator rotor, assembly method and related insertion tool

Publications (1)

Publication Number Publication Date
DK2523316T3 true DK2523316T3 (da) 2014-12-08

Family

ID=44118492

Family Applications (1)

Application Number Title Priority Date Filing Date
DK11382142.5T DK2523316T3 (da) 2011-05-11 2011-05-11 Generatorrotor, fremgangsmåde til samling og tilhørende indføringsværktøj

Country Status (5)

Country Link
US (2) US9973045B2 (da)
EP (1) EP2523316B8 (da)
CN (1) CN103534911B (da)
DK (1) DK2523316T3 (da)
WO (1) WO2012152878A1 (da)

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Also Published As

Publication number Publication date
US20180287438A1 (en) 2018-10-04
EP2523316B1 (en) 2014-09-03
US20140084593A1 (en) 2014-03-27
EP2523316B8 (en) 2014-11-19
US9973045B2 (en) 2018-05-15
EP2523316A1 (en) 2012-11-14
WO2012152878A1 (en) 2012-11-15
CN103534911B (zh) 2018-03-30
CN103534911A (zh) 2014-01-22
US10958118B2 (en) 2021-03-23

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