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WO2016203035A1 - Tour d'éolienne et éolienne - Google Patents

Tour d'éolienne et éolienne Download PDF

Info

Publication number
WO2016203035A1
WO2016203035A1 PCT/EP2016/064123 EP2016064123W WO2016203035A1 WO 2016203035 A1 WO2016203035 A1 WO 2016203035A1 EP 2016064123 W EP2016064123 W EP 2016064123W WO 2016203035 A1 WO2016203035 A1 WO 2016203035A1
Authority
WO
WIPO (PCT)
Prior art keywords
tower
longitudinal flanges
wind turbine
unit
steel
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2016/064123
Other languages
German (de)
English (en)
Inventor
Roy KERSTEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wobben Properties GmbH
Original Assignee
Wobben Properties GmbH
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 Wobben Properties GmbH filed Critical Wobben Properties GmbH
Publication of WO2016203035A1 publication Critical patent/WO2016203035A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • E04H12/085—Details of flanges for tubular masts
    • 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
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
    • 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

Definitions

  • the present invention relates to a wind turbine tower and a wind turbine.
  • Wind turbine towers made of steel or at least partially made of steel are well known.
  • Such a tower typically has a plurality of steel segments which are placed on top of each other.
  • the steel segments can be configured in one piece or in several parts.
  • the respective parts of the steel segment or the steel section may have two longitudinal joints, so that at least two parts of the steel section or steel segments are assembled at their longitudinal joints to form a steel section.
  • WO 2004/083633 A1 shows a steel tower of a wind energy plant with a plurality of cylindrical or conical tower segments, wherein at least one of the tower segments is subdivided into two or more elongated shell segments.
  • the shell segments have longitudinal flanges and upper and lower flanges.
  • the jacket elements are connected to each other via vertical flanges, wherein the vertical flanges are welded to the jacket elements. Spacers may be provided between the vertical flanges.
  • the object of the present invention is to provide a wind turbine tower with a plurality of steel segments or steel sections having an improved connection of steel segment sections.
  • a wind turbine tower is provided with a plurality of tower segments. At least one of these tower segments has two steel tower segment parts, which each have a jacket unit and which are fastened to each other via longitudinal flanges. The longitudinal flanges are arranged at a distance from one end of the jacket unit. At least one T-shaped joint unit is provided between the longitudinal flanges. A first portion of the impact unit is provided between the longitudinal flanges. A second section is applied to one of the shell unit opposite end of the longitudinal flanges and is fastened by means of fastening units there.
  • connection according to the invention between adjacent longitudinal flanges by means of the impact unit is advantageous because it enables a better load input due to an improved distribution of the load (via friction and prestressing force of the screws).
  • T-shaped joint unit increases the rigidity of the butt joint and provides a defined contact surface.
  • the longitudinal flanges are fastened by means of second fastening units to the first portion of the joint unit.
  • the impact unit is configured in one piece or in several parts.
  • the invention also relates to a wind energy plant with a wind turbine tower described above.
  • the invention relates to the idea to provide a wind turbine steel tower, which is composed of several steel segments or steel sections, wherein at least one of the steel segments or steel sections consists of at least two steel segment parts, which are fastened to each other by means of longitudinal flanges.
  • the longitudinal flanges are provided at a distance to the ends of the steel segment parts. Between adjacent longitudinal flanges a T-shaped joint unit is provided, wherein the longitudinal flanges are screwed to the at least one joint unit.
  • FIG. 1 shows a schematic representation of a wind energy plant according to the invention
  • FIG. 2 shows a schematic illustration of a tower segment of the wind power plant of FIG. 1, FIG.
  • FIG. 3 shows a schematic sectional view of the tower segment of FIG. 2, FIG.
  • FIG. 4 shows a schematic sectional view along the axis A3-A3 in FIG.
  • FIG. 5 shows a schematic sectional view along the axis A4 - A4 of Fig. 2,
  • FIG. 6 is a schematic sectional view taken along A5 - A5 of FIG. 2; FIG.
  • FIG. 7 shows a schematic sectional view along the axis A6-A6,
  • Fig. 9 shows a schematic sectional view along the axis A2 - A2,
  • Fig. 10 shows a schematic sectional view of a section of a tower segment according to the invention.
  • Fig. 1 shows a schematic representation of a wind turbine according to the invention.
  • the wind turbine 100 has a tower 2000 and a pod 104 on the tower 200.
  • An aerodynamic rotor 106 with three rotor blades 108 and a spinner 110 is provided on the nacelle 104.
  • the aerodynamic rotor 106 is set into rotary motion by the wind during operation of the wind turbine and thus also rotates a rotor or rotor of a generator which is coupled directly or indirectly to the aerodynamic rotor.
  • the electric generator is disposed in the nacelle 104 and generates electrical energy.
  • the pitch angle of the rotor blades 108 can be varied by pitch motors on the rotor blade roots of the respective rotor blades 108.
  • the tower 2000 of the wind turbine consists of a plurality of tower segments 2100. Of these tower segments 2100 at least one tower segment is designed in several parts, so that one of the tower segments has a first and second tower segment part 2120, 2110, which can be connected to each other via longitudinal flanges. At least one of the multi-part tower segments is designed according to the invention as a steel segment or as a steel section.
  • FIG. 2 shows a schematic representation of a tower segment 2100 of the wind power plant of FIG. 1.
  • the tower segment 2100 has two tower segment parts 2110, 2120, which can be connected to one another via longitudinal flanges 2160.
  • the segment 2100 has upper and lower flanges 2130, 2140 each having a plurality of holes 2131, 2141.
  • the longitudinal flanges 2160 optionally do not extend to the upper and lower flanges 2130, 2140, but a portion 2111 between the upper and lower flanges 2130, 2140 and the longitudinal flange is left open.
  • FIG. 3 shows a schematic sectional view of the tower segment from FIG. 2.
  • the tower segment consists of a first and a second tower segment part 2110, 2120, which are connected to one another via longitudinal flanges 2160.
  • Each tower segment part 2110, 2120 has an outer shell or shell unit 2150 and longitudinal flanges 2160, which can be welded to the shell unit 2150, for example.
  • the longitudinal flanges 2160 may have through holes 2165.
  • the longitudinal flanges 2160 have first, second, third and fourth sides 2161-2164.
  • the first side 2161 of the longitudinal flange 2160 abuts against the shell unit or outer wall 2150 and may for example be welded thereto.
  • the second side 2162 lies opposite the first side and projects into the interior of the tower segment.
  • the third side 2163 and the fourth side 2164 face each other and are provided, for example, at right angles to the first and second sides.
  • the fourth side 2164 is located toward the end 2151 of the shell unit 2150. There is a distance D between the fourth side 2164 and the end 2151 of the shell unit 2150.
  • a T-shaped joint unit 2170 is arranged so that a first section 2172 is located between the fourth sides 2164 of the longitudinal flanges 2160, while a second section 2173, 2174 abuts against the third sides 2163 of the longitudinal flanges 2160.
  • bolts 2300 can be inserted and fastened by means of nuts.
  • bolts may be provided on the back and second portions 2173, 2174 of the impact unit 2170, respectively, which engage with the third sides 2163 of the longitudinal flanges 2160.
  • the impact unit 2170 is T-shaped in cross-section, with one leg of the Ts as the first portion 2172 and the other two legs 2173, 2174 of the Ts as the second portion.
  • the first portion 2172 abuts in the longitudinal flanges 2160 and has a thickness of 2 ⁇ D.
  • the second section 2173, 2174 abuts on the third sides 2163.
  • the impact unit may be connected to the longitudinal flanges 2160 via bolts 2300 as well as via bolts 2400. According to the embodiment of FIGS. 4 and 5, the impact unit 2170 can be configured in one piece.
  • FIG. 5 shows a schematic sectional view along the axis A4 - A4 of Fig. 2.
  • Fig. 5 shows the cross section of Fig. 4, only at a different location.
  • FIG. 6 shows a schematic sectional view along A5 - A5 of FIG. 2.
  • the embodiment of the impact unit 2170 according to FIG. 6 essentially corresponds to the impact unit according to FIG. 4, wherein the impact unit in FIG. 4 can be designed in one piece, while the impact unit 2170 as shown in FIG. 6 and 7 may be configured in several parts.
  • section 2172 may also be welded to section 2173, 2174.
  • Fig. 7 shows a schematic sectional view along the axis A6 - A6.
  • FIG. 8 shows a schematic sectional view along the axis A1-A.
  • the portion 2111 can be seen, on which no longitudinal flange 2160 is present.
  • the impact unit 2170 is also shown.
  • the longitudinal flanges 2160 have end portions 2160a in which the height of the longitudinal flange (along the second and third sides 2162, 2163) reduces in the direction of the flange 2130.
  • Fig. 9 shows a schematic sectional view along the axis A2 - A2.
  • Fig. 10 shows a schematic sectional view of a section of a tower segment according to the invention.
  • the impact unit 2170 is designed as an elongated and T-shaped joint unit and can extend over the length of the tower segment. Alternatively, a plurality of impact units along the length of the tower segment may be provided.
  • the impact unit 2170 has a first portion 2172 and a second portion 2173, 2174.
  • the impact unit 2170 further includes a surface 2171 opposite to the first portion 2172.
  • a plurality of through holes 2175 is arranged in the area 2171 . Through these through holes 2175 can Bolts and / or screws 2400 are inserted so that these bolts engage holes 2166 in the longitudinal flanges 2160.
  • connection according to the invention between adjacent longitudinal flanges by means of the impact unit is advantageous because it allows a better load entry due to an improved distribution of the load (via friction and prestressing force of the screws).
  • connection between adjacent longitudinal flanges can thus be carried out maintenance-free.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne une tour d'éolienne (2000) pourvue d'une pluralité de segments de tour (2100). Au moins un de ces segments de tour (2100) comprend deux parties de segments de tour (2110, 2120) en acier qui comportent chacun une unité d'enveloppe (2150) et qui sont fixés entre eux par des brides longitudinales (2160). Les brides longitudinales (2160) sont situées à une distance (D) d'une extrémité (2151) de l'unité d'enveloppe (2150). Au moins une unité de poussoir (2170) en forme de T est prévue entre les brides longitudinales (2160). Une première partie (2172) de l'unité de poussoir (2170) est prévue entre les brides longitudinales (2160). Une seconde partie (2173, 2174) est placée à une l'extrémité (2162), opposée à l'unité d'enveloppe (2150), des brides longitudinales (2160) où elle est fixée au moyen d'unités de fixation (2400).
PCT/EP2016/064123 2015-06-18 2016-06-20 Tour d'éolienne et éolienne Ceased WO2016203035A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015211269.1 2015-06-18
DE102015211269.1A DE102015211269A1 (de) 2015-06-18 2015-06-18 Windenergieanlagen-Turm und Windenergieanlage

Publications (1)

Publication Number Publication Date
WO2016203035A1 true WO2016203035A1 (fr) 2016-12-22

Family

ID=56134373

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/064123 Ceased WO2016203035A1 (fr) 2015-06-18 2016-06-20 Tour d'éolienne et éolienne

Country Status (2)

Country Link
DE (1) DE102015211269A1 (fr)
WO (1) WO2016203035A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035852A (zh) * 2017-10-26 2018-05-15 许继集团有限公司 塔筒分段、组合式塔筒及风力发电机组

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017125716A1 (de) * 2017-11-03 2019-05-09 Eno Energy Systems Gmbh Verfahren zum Errichten eines Turms mit einer mehrteiligen Turmsektion und Teilsektion einer mehrteiligen Turmsektion eines Turms
DE102017127035A1 (de) 2017-11-16 2019-05-16 Wobben Properties Gmbh Flanschgestell und Montageset zur Vormontage und/oder zum Transport und/oder zur Montage eines Turmsegments für eine Windenergieanlage sowie Verfahren

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004083633A1 (fr) 2003-03-19 2004-09-30 Vestas Wind Systems A/S Procede de construction de grandes tours destinees a des turbines eoliennes
DE112010005382T5 (de) 2010-03-12 2013-01-03 Siemens Aktiengesellschaft Wandabschnitt für einen Windkraftanlagenturm
KR101242505B1 (ko) 2010-12-27 2013-03-12 재단법인 포항산업과학연구원 풍력발전기용의 모듈러형 풍력발전탑
DE102013107059A1 (de) 2013-07-04 2015-01-08 SIAG Industrie GmbH Verfahren zur Herstellung und zum Errichten eines Rohrturmbauwerks

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004083633A1 (fr) 2003-03-19 2004-09-30 Vestas Wind Systems A/S Procede de construction de grandes tours destinees a des turbines eoliennes
DE60317372T2 (de) 2003-03-19 2008-08-21 Vestas Wind Systems A/S Gross bemessene türme für windkraftanlagen und verfahren zum erbauen solcher türme
DE112010005382T5 (de) 2010-03-12 2013-01-03 Siemens Aktiengesellschaft Wandabschnitt für einen Windkraftanlagenturm
KR101242505B1 (ko) 2010-12-27 2013-03-12 재단법인 포항산업과학연구원 풍력발전기용의 모듈러형 풍력발전탑
DE102013107059A1 (de) 2013-07-04 2015-01-08 SIAG Industrie GmbH Verfahren zur Herstellung und zum Errichten eines Rohrturmbauwerks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035852A (zh) * 2017-10-26 2018-05-15 许继集团有限公司 塔筒分段、组合式塔筒及风力发电机组

Also Published As

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