WO2003014568A1 - Tige de support et colonne de generateur de vent - Google Patents

Tige de support et colonne de generateur de vent Download PDF

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Publication number
WO2003014568A1
WO2003014568A1 PCT/JP2001/009564 JP0109564W WO03014568A1 WO 2003014568 A1 WO2003014568 A1 WO 2003014568A1 JP 0109564 W JP0109564 W JP 0109564W WO 03014568 A1 WO03014568 A1 WO 03014568A1
Authority
WO
WIPO (PCT)
Prior art keywords
support shaft
support
flow
flow separation
spindle
Prior art date
Application number
PCT/JP2001/009564
Other languages
English (en)
Japanese (ja)
Inventor
Hareyuki Nishida
Original Assignee
Kanki, Kenzou
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 Kanki, Kenzou filed Critical Kanki, Kenzou
Publication of WO2003014568A1 publication Critical patent/WO2003014568A1/fr

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
    • 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
    • F03D13/22—Foundations specially adapted for wind motors
    • 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
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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 support shaft, and more particularly, to a support column of a wind power generator for suppressing vibration of a support column caused by a flow separation phenomenon.
  • a flow separation phenomenon occurs on the surface of an object in a fluid.
  • a flow separation region is formed by a flow separated from an object surface, and disturbance occurs in the separation region.
  • the disturbance propagates upstream of the flow and may affect objects.
  • FIG. 9A a case where a fluid flows opposite to the cylinder 91 will be described.
  • the flow direction of the fluid is indicated by an arrow 93.
  • a Karman vortex 92 a is generated in the flow separation region 92 behind the cylinder 91.
  • the steady flow area 94 smooth flow field outside the separation area 92, the fluid flows in the direction shown by the arrow 93.
  • the Karman vortex 92a is generated, the cylinder 91 vibrates due to the influence of the Karman vortex 92a, and the cylinder 91 causes structural fatigue.
  • FIG. 9 (b) A pair of suppressing members 95 are attached to the outer peripheral surface of the cylinder 91 at intervals of 80 ° along the longitudinal direction of the cylinder 91.
  • the suppression member 95 is located within the separation region 92 and has a steady flow region 94 with respect to a fluid having a flow direction such that the angle ( ⁇ ) between the pair of suppression members 95 is 140 °. Designed not to be located in.
  • the suppression member 95 suppresses the occurrence of flow separation, and suppresses the propagation of the disturbance excited by the turbulent vortex 96 generated in the separation region 92 to the upstream.
  • the vibration of the cylinder 91 due to the Karman vortex is suppressed.
  • An object of the present invention is to provide a support for a wind power generator that effectively suppresses vibration caused by flow separation according to a change in the flow direction of a fluid.
  • a spindle is provided.
  • the support shaft When the support shaft is disposed in a flow separation region between the support body and a steady flow region of the fluid flowing toward the support body and the surface of the object including the support body, the flow separation can be suppressed.
  • the spindle further includes drive means for driving the restraining member about the spindle body such that the restraining member is positioned within the flow separation region in response to a change in the flow direction of the fluid.
  • a spindle in a second aspect of the present invention, includes a support body, a cylindrical member rotatably disposed around the support body, and an outer peripheral surface of the cylindrical member. And a suppressing member capable of suppressing flow separation in a flow separation region between the surface and the surface.
  • the support shaft further includes driving means for rotating the tubular member so that the restraining member is disposed in the flow separation region in response to a change in the flow direction of the fluid.
  • a wind power generator in a third aspect of the present invention, includes a windmill, a generator connected to the windmill, and a support for supporting the generator.
  • the strut is arranged in a flow separation region between the support body and a steady flow region of the fluid flowing toward the support body and the surface of the object including the support body, and a suppression member capable of suppressing flow separation.
  • the strut further includes drive means for driving the restraint member about the strut body such that the restraint member is positioned within the flow separation region in response to a change in the flow direction of the fluid.
  • a wind turbine generator in a fourth aspect of the present invention, includes a windmill, a generator connected to the windmill, and a support for supporting the generator.
  • the support is provided between the support main body, a cylindrical member rotatably disposed around the support main body, and an outer peripheral surface of the cylindrical member, between a steady flow region of the fluid flowing toward the support main body and the surface of the cylindrical member.
  • a suppressing member capable of suppressing the flow separation in the flow separation region of the above.
  • the strut further includes drive means for rotating the tubular member such that the restraint member is positioned within the flow separation region in response to a change in the flow direction of the fluid.
  • FIG. 1 (a) is a schematic partial perspective view of a strut of a wind turbine generator according to an embodiment of the present invention
  • FIG. 1 (b) is a schematic partial longitudinal sectional view of the strut of FIG. 1
  • FIG. ) Is a schematic cross-sectional view of the column shown in FIG.
  • FIG. 2 is a schematic perspective view of a wind turbine generator according to one embodiment of the present invention.
  • FIG. 3 (a) is a schematic cross-sectional view showing the operation of the column shown in FIG. 1
  • FIG. 3 (b) is a schematic cross-sectional view showing the operation of the column shown in FIG.
  • FIG. 4 is a schematic perspective view of a column of a wind turbine generator according to a second embodiment of the present invention.
  • FIG. 5A is a schematic cross-sectional view showing the operation of the column shown in FIG. 4
  • FIG. 5B is a schematic cross-sectional view showing the operation of the column shown in FIG.
  • FIG. 6A is a schematic partial perspective view of a column according to a first modification.
  • FIG. 6B is a schematic partial longitudinal sectional view of a column according to a second modification.
  • FIG. 7A is a schematic cross-sectional view of a column according to a third modified example.
  • FIG. 7B is a schematic cross-sectional view of a column according to a fourth modification.
  • FIG. 8A is a schematic cross-sectional view of a column according to a fifth modification.
  • FIG. 8B is a schematic cross-sectional view of a column according to a sixth modification.
  • FIG. 8 (c) is a schematic cross-sectional view of a column according to a seventh modification.
  • FIG. 9 (a) is a diagram showing a vortex street generated around a cylinder arranged in a fluid
  • FIG. 9 (b) is a schematic cross-sectional view of a cylinder provided with a conventional suppressing member.
  • FIG. 2 is a schematic perspective view of the wind turbine generator.
  • the wind power generator 11 includes a fixed plate 12 fixed to the ground, and a support shaft made of a metal pipe, that is, a support 13 from the center of the support plate 12, i.e., a support 13 (a support body). ) Stands vertically.
  • a support case 14 rotatable with respect to the support 13 is connected to the upper end of the support 13,
  • the generator 15 is mounted on the support case 14.
  • the generator 15 has a rotor shaft 16 extending in a direction perpendicular to the support.
  • a disk-shaped hub 17 is attached to the tip of the rotor shaft 16.
  • Three blades 18a, 18b, and 18c are mounted on the periphery of the hub 17 at an angular interval of 120 degrees.
  • the rotor shaft 16, the hub 17, and the blades 18 a to 18 c constitute a windmill 19.
  • a tail fin 20 is provided on the support case 14 on the side opposite to the blades 18a to 18c. By receiving the wind, the tail fins 20 drive the windmill 19 in the direction in which the wind blows (windward direction).
  • FIG. 1A is a partial perspective view of the column 13
  • FIG. 1B is a partial longitudinal sectional view of the column 13
  • FIG. 1C is a cross-sectional view of the column 13.
  • an outer cylinder 22 as a cylindrical member is mounted around the column 13 via a radial bearing 23.
  • the outer cylinder 22 is movable about the support column 13 by a radial bearing 23.
  • the outer peripheral surface 22 a of the outer cylinder 22 (object surface) has a pair of restraining members 24 on a plane passing through the center line of the column 13. It is mounted symmetrically.
  • Each restraining member 24 is plate-shaped, and has a length along the longitudinal direction of the outer cylinder 22 and a width along the radial direction of the outer cylinder 22.
  • the width of the suppressing member 24 is preferably one fifth of the diameter of the outer cylinder 22.
  • the angle between the pair of restraining members 24 with respect to the center of the column 13 is 80 °.
  • the upper part of the support 13 protrudes from the upper end of the outer cylinder 22, and an anemoscope 26 is attached to the upper part of the support 13 via a bracket 25 as shown in FIG.
  • the anemometer 26 is arranged at a predetermined distance from the column 13 and the windmill 19 so that the wind not affected by the column 13 and the windmill 19 can be measured.
  • the anemometer 26 supplies a signal indicating the measured wind direction to the control device 100 (see FIG. 1 (b)).
  • a motor 27 as a driving means is disposed near the lower part of the outer cylinder 22.
  • a drive gear 27 a is attached to the output shaft of the motor 27.
  • a gear 28 meshing with the drive gear 27 a is attached to the outer peripheral surface 22 a of the outer cylinder 22.
  • the motor 27 is connected to the control device 100.
  • the control device 100 drives the motor 27 based on the signal from the anemoscope 26, and the driving gear 27 a,
  • the outer cylinder 22 rotates through the gear 28.
  • the support case 14 stops at a position where the wind resistance received by the tail fin 20 is the smallest. At this time, the tail fin 20 faces leeward, and the windmill 19 faces leeward. In this way, the windmill 19 is always directed to the windward direction by the tail fin 20.
  • the restraining member 24 includes a separation region 32 formed between the outer peripheral surface 22 of the outer cylinder 22 and a steady flow region 31 separated from the outer peripheral surface 22 of the outer cylinder 22 by a predetermined distance. Are located.
  • the suppressing member 24 protrudes from the outer peripheral surface 22 a toward the separation region 32, and does not reach the steady flow region 31. Therefore, even if the disturbance is excited by the turbulent vortex 33 generated in the separation region 32, the propagation of the disturbance to the upstream is suppressed by the suppression member 24, and the vibration of the column 13 caused by the flow separation Is suppressed.
  • the controller 100 drives the motor 27 based on the signal from the anemometer 26, and FIG. As shown in b), the outer cylinder 22 is rotated by a predetermined amount so that the angle ( ⁇ ) between the direction in which the wind blows and each suppression member 24 is 140 °. As a result, the pair of suppressing members 24 are disposed in the flow separation region 36 corresponding to the wind direction of the arrow 35. Therefore, even if the disturbance is excited by the turbulent vortex 37 generated in the separation region 36, the propagation of the disturbance upstream is suppressed by the pair of suppression members 24, and the column 1 caused by the flow separation is suppressed. The vibration of 3 is suppressed.
  • the wind turbine generator 11 of the first embodiment has the following advantages.
  • the restraining member 24 is mounted on an outer cylinder 22 rotatably mounted on the column 13 via a radial bearing 23.
  • the control device 100 drives the motor 27 based on the signal from the anemometer 26 to rotate the outer cylinder 22. That is, the control device 100 drives the motor 27 so that the pair of suppression members 24 are arranged at positions where the flow separation can be suppressed in response to the change in the wind direction. Therefore, even if the wind direction changes, the flow separation is effectively suppressed, and the vibration and noise of the column 13 are suppressed.
  • the anemometer 26, the motor 27, the drive gear 27a, the gear 28 and the control device 100 move the suppression member 24 to a position where the flow separation can be suppressed in response to the change in the wind direction. Placed securely.
  • the column 13 Since the vibration of the column 13 is suppressed, the column 13 does not need to have the strength to withstand the vibration. That is, the cost for improving the strength can be reduced. For example, it is possible to reduce the weight of the support 13 or to reduce the diameter of the support 13.
  • the second embodiment differs from the first embodiment mainly in that a plurality of outer cylinders and a plurality of suppressing members are provided.
  • the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.
  • the wind turbine generator includes a plurality of outer cylinder divisions 42 and a plurality of suppression member divisions 43 provided in the plurality of outer cylinder divisions 42, respectively. .
  • Each outer cylinder divided portion 42 and each restraining member divided portion 43 have an upper end surface and a lower end surface perpendicular to the axial direction of the column 13.
  • Each of the outer cylinder divided portions 42 is rotatably attached to the column 13 via a radial bearing.
  • Fins 4 4 are attached to the outer peripheral surface 4 2 a (object surface) of each outer cylinder divided portion 42 at the center between the restraining member divided portions 43. Have been.
  • the fins 4 are formed in a plate shape.
  • the fins 4 4 are arranged at positions where the outer cylinder dividing section 42 is rotated in response to a change in the direction of the wind, and the suppressing member dividing section 4 3 suppresses the flow separation in the flow separation area. It has a length and width as possible.
  • Each of the plurality of outer cylinder divided portions 42 is rotatable independently of each other.
  • the restricting member divided portions 43 and the fins 44 adjacent to each other in the axial direction of the column 13 are configured so as not to abut each other.
  • the bracket 25, the anemometer 26, the motor 27, and the gear 28 are not mounted.
  • the wind turbine generator 11 of the second embodiment has the following effects in addition to the effects (1), (3) to (5) of the first embodiment.
  • a fin 44 is attached to each outer cylinder division 42 to rotate the outer cylinder division 42 to a predetermined position in response to wind. Therefore, the outer cylinder dividing portion 42 can be autonomously driven only by wind without requiring a power source, and the driving means can be easily configured.
  • the plurality of restraining member divided portions 43 and the plurality of outer cylinder divided portions 42 are rotatable independently of each other. Each of the outer cylinder divided portions 42 is rotated in accordance with the direction in which the wind received by each of the outer cylinder divided portions 42, and each of the suppression member divided portions 43 is disposed in the flow separation region. Therefore, even when the direction in which the wind blows changes in the longitudinal direction of
  • the plurality of outer cylinder divisions 42 facilitate attachment to the column 13.
  • the present invention is not limited to the first and second embodiments, but may be modified as follows, for example.
  • the outer cylinder division 42 and the suppression member division 43 are, for example, as shown in Fig. 6 (a). As described above, the plurality of outer cylinder divisions 42 and the plurality of suppression member divisions 43 may be arranged at predetermined intervals. In this case, it is preferable that each restraining member dividing portion 43 is set to a length that can suppress the flow separation. It is preferable to dispose a plurality of restricting member divisions 43 on the upper part of the supporting column 13 that is farther from the fixing plate 12 than the lower part of the supporting column 13 near the fixing plate 12 and that is relatively vibrating. .
  • the outer cylinder divided portion 42 may also be rotatably supported on the column 13 by the thrust bearing 61.
  • the outer cylinder 22 (the outer cylinder divided portion 42) may be formed not only in a cylindrical shape but also in an elliptical cylindrical shape as shown in FIG. 7 (a).
  • the suppression member 24 (the suppression member divided portion 43) may be attached to a member other than the cylindrical outer cylinder 22 (the outer cylinder divided portion 42).
  • a portion between the pair of suppressing members 24 (suppressing member divided portions 43) of the outer cylinder 22 (outer cylinder dividing portion 42) is cut out to form an arc-shaped cross section.
  • the member 71 is formed, and the suppression member 24 (the suppression member divided portion 43) is attached to two longitudinal ends of the member 71. Then, the arc-shaped member 71 may be rotatably attached to the column 13 via a bearing.
  • the suppressing member 24 (the suppressing member divided portion 43) may not be fixed to the outer cylinder 22 (the outer cylinder dividing portion 42).
  • the hinge 81 allows the restraining member 24 to move to a predetermined position with respect to the outer cylinder 22 and a position where the restraining member 24 falls down on the outer peripheral surface 22a of the outer cylinder 22. It may be mounted movably between. In this case, when the support shaft is transported, the suppression member 24 is tilted down, thereby preventing the suppression member 24 from being damaged.
  • the restraining member 24 is made movable, as shown in FIG.
  • a recess 82 that can accommodate the restraining member 24 is formed at a predetermined position on the outer peripheral surface 22a. Good. In this case, the amount of protrusion of the suppressing member 24 from the outer cylinder 22 is further reduced. Further, the restraining member 24 may be designed so that the surface of the restraining member 24 is at the same level as the outer peripheral surface 22 a of the outer cylinder 22 when housed.
  • a pair of suppression members (suppression member divisions) but also an even number of suppression members (suppression member divisions) may be attached to predetermined positions of the support shaft.
  • the even number of suppressing members are symmetrically arranged with respect to a plane passing through the center line of the column 13.
  • a pair of restraining members 24 and a pair of restraining members 83 may be attached to the outer cylinder 22 (outer cylinder divided portion 42).
  • the angle between the pair of suppressing members 83 is set to 120 °.
  • each restraining member 83 is preferably one-tenth of the diameter of the outer cylinder 22 (the outer cylinder divided portion 42). In consideration of cost, it is desirable to attach one pair (two) or two pairs (four) of the suppression member (the suppression member divided portion).
  • Odd numbers include one.
  • the suppression member 24 or the suppression member divided portion 43 may be configured to be rotated to a predetermined position by receiving wind without a driving unit. In this case, the suppression member 24 or the suppression member divided portion 43 itself rotates by receiving the wind, and moves to a position where the flow separation can be suppressed. Therefore, the number of parts is reduced because no driving means is required. In addition, it is preferable that the rotation resistance of the outer cylinder 22 or the outer cylinder divided part 42 is small so that the rotation of the outer cylinder 22 or the outer cylinder divided part 42 can be performed without any hindrance by the wind force received by the suppressing member 24 or the restricted member dividing part 43.
  • the suppression member 24 (the suppression member divided portion 43) may be directly attached to the radial bearing 23 attached to the support 13, for example.
  • a fin similar to the fin 44 is attached to the outer cylinder 22, and the outer cylinder 22 is rotated by the fin so that the restraining member 24 is arranged at a predetermined position. You may.
  • Suppressing member 24 (Suppressing member divided section 4 3) is taken at intervals other than 80 °. It may be attached.
  • the suppression member (the suppression member divided portion) may be attached at an angle other than being attached along the radial direction of the outer cylinder 22.
  • the width of the restraining member 24 (the restraining member divided portion 43) may be set to a value other than 1/5 of the diameter of the outer cylinder 22. .
  • the outer cylinder 22 may be driven by the driving force of the tail fin 20 that turns the windmill 19 in the windward direction.
  • the support of the present invention is not limited to the support of the wind power generator, but also includes, for example, a chimney, a lightning rod support, a heat exchanger pipe, a bridge wire or support, an oil rig support, and an antenna support. It may be applied to a yacht mast, a submarine electric wire, and the like.

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  • 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)
  • Wind Motors (AREA)

Abstract

L'invention concerne une colonne de générateur de vent comprenant un corps de colonne (13) et un élément tubulaire (22) se trouvant autour du corps de colonne de manière à pouvoir tourner. Un élément (24) de suppression du lavage d'un fluide dans une zone de lavage de fluide entre la zone d'écoulement permanent du fluide s'écoulant à travers un corps d'axe de support et la surface du corps tubulaire est placé sur la surface externe de pourtour de l'élément tubulaire. La colonne comprend un moteur de rotation de l'élément tubulaire de manière que l'élément de suppression soit placé dans la zone de lavage du fluide d'après la variation du fluide dans le sens d'écoulement. Comme l'élément tubulaire tourne selon la variation de fluide dans le sens d'écoulement afin de placer l'élément de suppression dans la zone de lavage du fluide, la vibration de la colonne provoquée par le lavage du fluide est supprimée.
PCT/JP2001/009564 2001-08-02 2001-10-31 Tige de support et colonne de generateur de vent WO2003014568A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001234695A JP2003049761A (ja) 2001-08-02 2001-08-02 支軸及び風力発電装置
JP2001-234695 2001-08-02

Publications (1)

Publication Number Publication Date
WO2003014568A1 true WO2003014568A1 (fr) 2003-02-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/009564 WO2003014568A1 (fr) 2001-08-02 2001-10-31 Tige de support et colonne de generateur de vent

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JP (1) JP2003049761A (fr)
WO (1) WO2003014568A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2484962A (en) * 2010-10-28 2012-05-02 Calsand Ltd Shroud or fairing for window turbine
CN111237137A (zh) * 2020-02-25 2020-06-05 扬州大学 一种安装于风力机塔筒的降噪装置及风力机

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JP4638163B2 (ja) * 2004-03-19 2011-02-23 三菱重工業株式会社 風車装置
JP2009035946A (ja) * 2007-08-02 2009-02-19 Taisei Corp 柱状構造物の動揺防止構造、柱状構造物の設置システム及び柱状構造物の設置方法
DE102009007812B4 (de) 2009-02-06 2019-05-02 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Windkraftanlage mit windschlüpfiger Profilierung
EP2436924A1 (fr) * 2010-10-01 2012-04-04 Thompson Adrian Appareil pour une éolienne
KR101242064B1 (ko) * 2011-03-02 2013-03-11 한국해양과학기술원 해상 풍력발전 시스템의 항력 저감장치
JP5113283B2 (ja) * 2011-08-08 2013-01-09 大成建設株式会社 柱状構造物の設置システム及び柱状構造物の設置方法
KR101391256B1 (ko) 2012-07-02 2014-05-07 한국신재생에너지주식회사 소음이 저감된 풍력 발전장치
CN103321844B (zh) * 2013-05-10 2015-10-14 嵊州市远见机械科技有限公司 单风叶风能发电机
CN103321846B (zh) * 2013-06-30 2015-10-14 嵊州市远见机械科技有限公司 单风叶连杆式风能发电机
CN103321848B (zh) * 2013-06-30 2015-10-14 嵊州市远见机械科技有限公司 单柱式单风叶风能发电机
CN103352804B (zh) * 2013-07-31 2016-04-20 嵊州市远见机械科技有限公司 立柱式单风叶风能发电机
KR101511974B1 (ko) * 2013-10-24 2015-04-14 대우조선해양 주식회사 해상 풍력발전기의 하부구조물 보호장치
TWI645108B (zh) * 2015-08-27 2018-12-21 胡龍江 具有免動力自動追向功能之風力發電機
JP2019060237A (ja) * 2015-12-25 2019-04-18 株式会社日立製作所 風車システムまたはウィンドファーム

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Publication number Priority date Publication date Assignee Title
JPS6456573U (fr) * 1987-10-01 1989-04-07
JPH112178A (ja) * 1997-06-13 1999-01-06 Nkk Corp 風力発電装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6456573U (fr) * 1987-10-01 1989-04-07
JPH112178A (ja) * 1997-06-13 1999-01-06 Nkk Corp 風力発電装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2484962A (en) * 2010-10-28 2012-05-02 Calsand Ltd Shroud or fairing for window turbine
CN111237137A (zh) * 2020-02-25 2020-06-05 扬州大学 一种安装于风力机塔筒的降噪装置及风力机

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