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NZ783421B2 - Floating wind turbine comprising an integrated electrical substation - Google Patents
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NZ783421B2 - Floating wind turbine comprising an integrated electrical substation - Google Patents

Floating wind turbine comprising an integrated electrical substation Download PDF

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Publication number
NZ783421B2
NZ783421B2 NZ783421A NZ78342120A NZ783421B2 NZ 783421 B2 NZ783421 B2 NZ 783421B2 NZ 783421 A NZ783421 A NZ 783421A NZ 78342120 A NZ78342120 A NZ 78342120A NZ 783421 B2 NZ783421 B2 NZ 783421B2
Authority
NZ
New Zealand
Prior art keywords
wind turbine
wind
hollow body
substation
electrical
Prior art date
Application number
NZ783421A
Other versions
NZ783421A (en
Inventor
Udo Christiansen
Original Assignee
Enbw Energie Baden Württemberg Ag
Filing date
Publication date
Priority claimed from DE102019122110.2A external-priority patent/DE102019122110A1/en
Application filed by Enbw Energie Baden Württemberg Ag filed Critical Enbw Energie Baden Württemberg Ag
Publication of NZ783421A publication Critical patent/NZ783421A/en
Publication of NZ783421B2 publication Critical patent/NZ783421B2/en

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
    • 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
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • F03D80/80—Arrangement of components within nacelles or towers
    • F03D80/82—Arrangement of components within nacelles or towers of electrical components
    • 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/212—Rotors for wind turbines with vertical axis of the Darrieus type
    • 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/213—Rotors for wind turbines with vertical axis of the Savonius type
    • 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
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • 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
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • 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
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/97—Mounting on supporting structures or systems on a submerged structure
    • 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
    • F05B2270/50—Control logic embodiment by
    • F05B2270/502—Control logic embodiment by electrical means, e.g. relays or switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00—Enclosed substations, e.g. compact substations
    • 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
    • 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
    • Y02E10/727—Offshore wind turbines

Abstract

wind turbine comprising at least one rotor (11) and a floating foundation. The floating foundation comprising at least one floating hollow body (15 a-c). Installed within the floating hollow body or bodies (15 a-c) is an electrical substation (not shown). A plurality of separately controllable power switches (not shown) are arranged on the input side of the electrical substation. Incorporating the substation within the foundation of the wind turbine reduces capital costs and installation space requirements.

Claims (18)

Claims
1. Wind turbine, comprising at least one rotor and a floating foundation, the floating tion comprising at 5 least one floating hollow body, wherein an electrical substation, or at least parts of an electrical substation, is or are installed in the hollow body or bodies of the floating foundation, wherein a plurality of separately controllable power switches are arranged on an input side 10 of the electrical substation, wherein each of the power switches is configured to connect a cable that connects several wind turbines in a strand with the electrical substation and to nect the cable from the electrical substation, if necessary.
2. Wind turbine according to claim 1, wherein at least parts of the ical substation are led in regions of the hollow body or bodies that are below the surface of the water.
3. Wind turbine ing to claim 2, wherein the regions of the hollow body or bodies that are below the surface of the water during operation are designed as a g surface, and in that the cooling surfaces are used to cool 25 a transformer and/or a reactive current compensation coil.
4. Wind turbine according to claim 1 or claim 2, wherein parts of the hollow body or bodies are designed to encapsulate part of high-voltage electrical assemblies of 30 the ical substation.
5. Wind e according to claim 1 or claim 2, wherein the hollow bodies are made of metal and shield electrical components of the electrical substation. 5
6. Wind turbine according to claim 3, wherein the floating foundation comprises one or more hollow bodies, wherein the ormer and the power switch for the strands are arranged in a first hollow body and the reactive current compensation coil and a oltage 10 switch panel are arranged in a second hollow body, wherein the first hollow body and the second hollow body are connected to one another by one or more struts, and wherein the cable which ically connects the transformer and the high-voltage switch panel are laid in at least one of 15 the struts.
7. Wind turbine according to claim 1 or claim 2, wherein the hollow body receiving the electrical substation has a le opening, and wherein the opening is above the 20 e of the water.
8. Wind turbine according to claim 3, wherein the hollow body receiving the reactive current compensation coil has a closable opening, and wherein the opening is above the 25 surface of the water.
9. Wind turbine according to claim 7 or claim 8, wherein the closable opening is at least one meter above the surface of the water.
10. Wind turbine according to claim 1 or claim 2, wherein each rotor is mounted in a nacelle, and wherein the nacelle is arranged on a tower. 5
11. Wind turbine according to claim 1 or claim 2, wherein an axis of rotation of the rotor or rotors extends horizontally or vertically.
12. Wind turbine according to claim 1 or claim 2, wherein 10 the at least one rotor has one wing, two wings or three wings, is a Darrieus rotor or a Savonius rotor, or is a wind energy kite.
13. Floating offshore wind farm, consisting of a large 15 number of wind turbines which are connected via electrical lines/cables to at least one electrical substation located offshore, wherein one of the wind turbines is a wind turbine according to any one of the preceding claims that comprises an integrated electrical substation, and n 20 the wind turbines are connected to the electrical substation of the wind e comprising the integrated ical substation via the electrical cables.
14. Floating offshore wind farm ing to claim 13, 25 wherein a plurality of wind turbines is interconnected to form a strand, and wherein each strand is joined to one of the power switches of the wind turbine comprising the integrated electrical substation. 30
15. ng offshore wind farm according to claim 14, wherein fewer than five wind turbines are interconnected to form the strand.
16. Floating offshore wind farm ing to any one of claims 13 to 15, wherein the wind turbines are joined to the electrical substation such that all of the energy can be transmitted to the nd via just one high-voltage 5 export cable.
17. Wind turbine as claimed in claim 1, substantially as herein described with reference to any embodiment disclosed.
18. Floating offshore wind farm as claimed in claim 13, substantially as herein described with reference to any embodiment disclosed. : : : : : : : : : : : 6 : : : : : : : : : : : D )LJ F E E F : : : : : : : : : : : : : : : : : : : : :
NZ783421A 2020-07-29 Floating wind turbine comprising an integrated electrical substation NZ783421B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019122110.2A DE102019122110A1 (en) 2019-08-16 2019-08-16 Floating wind turbine with integrated substation
PCT/EP2020/071337 WO2021032422A1 (en) 2019-08-16 2020-07-29 Floating wind turbine comprising an integrated electrical substation

Publications (2)

Publication Number Publication Date
NZ783421A NZ783421A (en) 2024-05-31
NZ783421B2 true NZ783421B2 (en) 2024-09-03

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