JP2002285951A - Floating type foundation structure for marine wind power generation - Google Patents

Floating type foundation structure for marine wind power generation

Info

Publication number
JP2002285951A
JP2002285951A JP2001085293A JP2001085293A JP2002285951A JP 2002285951 A JP2002285951 A JP 2002285951A JP 2001085293 A JP2001085293 A JP 2001085293A JP 2001085293 A JP2001085293 A JP 2001085293A JP 2002285951 A JP2002285951 A JP 2002285951A
Authority
JP
Japan
Prior art keywords
floating
substructure
power generation
wind power
central
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.)
Pending
Application number
JP2001085293A
Other languages
Japanese (ja)
Inventor
Mitsunori Murakami
光功 村上
Original Assignee
Hitachi Zosen Corp
日立造船株式会社
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 Hitachi Zosen Corp, 日立造船株式会社 filed Critical Hitachi Zosen Corp
Priority to JP2001085293A priority Critical patent/JP2002285951A/en
Publication of JP2002285951A publication Critical patent/JP2002285951A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22Foundations specially adapted for wind motors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0091Offshore structures for wind turbines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/90Mounting on supporting structures or systems
    • F05B2240/95Mounting on supporting structures or systems offshore
    • 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
    • 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
    • Y02E10/727Offshore wind turbines

Abstract

PROBLEM TO BE SOLVED: To provide a floating type foundation structure enabling a generator system to be installed, even far out in the sea, irrespective of the marine ground shape at all, in which the water depth hardly affects it. SOLUTION: The floating type foundation structure 1 is to support the generator system 2 upright on the ocean and is composed of a central structure 3 to support upright the generator system 2, a main float 4 to position underwater the lower-part of the central structure 3 in such a condition as supporting the generator system 2 upright, a tower float part 5 installed in the central structure 3, for holding the restituting force in the vertical direction and to work in compliance with varying buoyancy with waves, and a mooring device 6 for mooring the structure 1. Thereby it is possible to suppress swings of the whole device as much as possible, which results due to the influence of the external force of waves, winds, etc., even far out on the ocean, having tendency of increasing marine wind speed, irrespective of the marine topography, hardly being influenced by the water depth. This also adds fish banks effects of fishes, etc., to its lower-part.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【0001】[0001]
【発明の属する技術分野】本発明は、海底地形を全く問
題にしない洋上風力発電設備における浮体式の基礎構造
物に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floating type substructure in an offshore wind power generation facility that does not consider the seabed topography at all.
【0002】[0002]
【従来の技術】自然エネルギーの効果的利用が図られて
いる昨今、風力発電は特に採算性のある試みであるとし
て我国においても目覚ましい勢いで普及している。欧州
などにおいては、優れた風況と技術の早い進展により、
最早、陸上においては、ゆとりある生活空間の域をすで
に逸し始め、近時は洋上での風力発電装置の建設がブー
ムとなってきている。
2. Description of the Related Art In recent years, effective use of renewable energy has been attempted, and wind power generation is spreading remarkably in Japan as a particularly profitable attempt. In Europe and elsewhere, due to excellent wind conditions and rapid technological advances,
On land, it has already begun to miss the area of ample living space, and recently the construction of offshore wind turbines has become a boom.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、これま
で、欧州で実際に稼動している洋上風力発電装置は、何
れも海底に設置する形式であることから、水深が増すに
つれて建設作業が困難になって施工費用も増加するのに
加えて、海底地質の影響を大きく受けることになって、
深い水域では殆ど建設が不可能である。
However, since all offshore wind turbines actually operating in Europe have been installed on the seabed, construction work becomes more difficult as the water depth increases. In addition to the increase in construction costs, it will be greatly affected by the seabed geology,
Construction is almost impossible in deep waters.
【0004】従って、我国においても、風力発電設備を
陸上から洋上に建設しようとする傾向が窺えるものの、
我国では欧州と異なり遠浅の海底地形が期待される地域
はわずかであることから、この点において将来の我国の
洋上風力発電には一抹の不安を感じる。
[0004] Accordingly, although there is a tendency in Japan to construct wind power generation facilities from land to offshore,
In Japan, unlike Europe, there are only a few areas where shallow seafloor topography is expected. In this regard, there is some concern about future offshore wind power generation in Japan.
【0005】本発明は、上記した問題点に鑑みてなされ
たものであり、水深の影響を殆ど受けないばかりか、海
洋地形を全く問題とすることがなく、しかも、洋上風速
が増加する傾向にある沖合いにおいても発電機システム
の設置が可能な洋上風力発電の浮体式基礎構造物を提供
することを目的としている。
The present invention has been made in view of the above-mentioned problems, and is not affected by the water depth, has no problem with the marine terrain, and tends to increase the offshore wind speed. It is an object of the present invention to provide a floating substructure for offshore wind power generation in which a generator system can be installed even offshore.
【0006】[0006]
【課題を解決するための手段】上記した目的を達成する
ために、本発明に係る洋上風力発電の浮体式基礎構造物
は、発電機システムを立設支持する中央構造物と、発電
機システムを立設支持した状態の前記中央構造物の下方
部分を水中に位置させる主要浮体と、波浪による変動浮
力に対応させると共に、垂直方向の復元力を保持するた
めに前記中央構造物に設置したタワー浮体部と、この基
礎構造物を係留する係留装置を備えたこととしている。
そして、このようにすることで、水深の影響を殆ど受け
ないばかりか、海洋地形を全く問題とすることがなく、
しかも、洋上風速が増加する傾向にある沖合いにおいて
も発電機システムの設置が可能になる。
In order to achieve the above-mentioned object, a floating substructure for offshore wind power generation according to the present invention comprises a central structure for erecting and supporting a generator system, and a generator system. A main floating body that positions the lower part of the central structure in the standing and supported state underwater, and a tower floating body that is installed on the central structure in order to cope with fluctuating buoyancy caused by waves and maintain a vertical restoring force. And a mooring device for mooring the substructure.
And by doing this, not only is it hardly affected by the depth of the water, but the marine terrain does not matter at all,
Moreover, the generator system can be installed offshore where the offshore wind speed tends to increase.
【0007】[0007]
【発明の実施の形態】本発明に係る洋上風力発電の浮体
式基礎構造物は、洋上において発電機システムを立設支
持する浮体式の基礎構造物であって、この基礎構造物
は、前記発電機システムを立設支持する中央構造物と、
発電機システムを立設支持した状態の前記中央構造物の
下方部分を水中に位置させる主要浮体と、波浪による変
動浮力に対応させると共に、垂直方向の復元力を保持す
るために前記中央構造物に設置したタワー浮体部と、こ
の基礎構造物を係留する係留装置を備えたものである。
BEST MODE FOR CARRYING OUT THE INVENTION A floating type substructure for offshore wind power generation according to the present invention is a floating type substructure that stands and supports a generator system at sea. A central structure that supports the machine system,
A main floating body that positions the lower part of the central structure underwater in a state where the generator system is erected and supported, and the central structure is adapted to cope with fluctuating buoyancy caused by waves and to maintain a vertical restoring force. It has a tower floating body installed and a mooring device for mooring this substructure.
【0008】本発明に係る洋上風力発電の浮体式基礎構
造物は、主要浮体、タワー浮体部、係留装置の作用によ
って、水深の影響を殆ど受けないばかりか、海洋地形を
全く問題とすることがなく、しかも、洋上風速が増加す
る傾向にある沖合いにおいても発電機システムの設置が
可能になる。
[0008] The floating substructure for offshore wind power generation according to the present invention is not substantially affected by the water depth due to the action of the main floating body, the tower floating body, and the mooring device, and may have a problem with the marine terrain at all. In addition, the generator system can be installed offshore where offshore wind speed tends to increase.
【0009】上記した本発明に係る洋上風力発電の浮体
式基礎構造物において、主要浮体とタワー浮体部を平板
形状となした場合には、波強制力によって特に動揺等の
横方向力を減少させることができるようになる。
[0009] In the above-mentioned floating substructure for offshore wind power generation according to the present invention, when the main floating body and the tower floating body are formed into a flat plate shape, the lateral force such as sway is reduced by the wave forcing force. Will be able to do it.
【0010】また、上記した本発明に係る洋上風力発電
の浮体式基礎構造物において、主要浮体を中央構造物に
対して放射状に配置した場合には、あらゆる方向からの
入射波に対しても、入射波に起因して発生する外力を軽
減できるようになる。
In the above-described floating substructure for offshore wind power generation according to the present invention, when the main floating structure is arranged radially with respect to the central structure, incident waves from all directions can be obtained. The external force generated due to the incident wave can be reduced.
【0011】また、上記した本発明に係る洋上風力発電
の浮体式基礎構造物において、基礎構造物にサブ浮体を
設けることで、波浪による変動浮力に対する復元力を補
うことができる。
Further, in the above-mentioned floating substructure for offshore wind power generation according to the present invention, by providing a sub-floating body in the substructure, it is possible to supplement the restoring force against fluctuating buoyancy caused by waves.
【0012】上記したサブ浮体は、中央構造物に対して
放射状に配置した場合には、主要浮体の場合と同様に、
あらゆる方向からの入射波に対しても、入射波に起因し
て発生する外力を軽減できるようになる。
When the above-mentioned sub-floating bodies are arranged radially with respect to the central structure, as in the case of the main floating body,
External forces generated due to incident waves can be reduced even for incident waves from all directions.
【0013】また、上記したサブ浮体を、主要浮体の上
方に設置した場合には、着力点が主要浮体上に位置する
ようになって、基礎構造物の重心がより低くなって復元
力が大きくなる。
When the above-mentioned sub-floating body is installed above the main floating body, the point of application is located on the main floating body, the center of gravity of the substructure is lowered, and the restoring force is increased. Become.
【0014】また、上記したサブ浮体を、横断面が偏平
状となるように形成した場合には、動揺時における抵抗
が大きくなって横揺れが小さくなり、かつ、全体的な波
力による抵抗が小さくなる。
Further, when the above-mentioned sub-floating body is formed so as to have a flat cross section, the resistance at the time of swaying becomes large and the swaying becomes small, and the resistance due to the whole wave force is reduced. Become smaller.
【0015】また、上記した本発明に係る洋上風力発電
の浮体式基礎構造物において、基礎構造物に動揺制止翼
を設けた場合には、動揺時にはこの動揺制止翼の間を流
体が自由に通過することで、翼の先端部が撓み、この先
端より放出される渦流れにより翼の表面の垂直方向の流
体力、すなわち、動揺抵抗が増加することになって、基
礎構造物の動揺制止力がさらに増加することになる。
Further, in the above-mentioned floating substructure for offshore wind power generation according to the present invention, in the case where the substructure is provided with a sway-preventing wing, the fluid freely passes between the sway-preventive wings during the sway. As a result, the tip of the wing bends, and the vortex flow released from the tip causes the fluid force in the vertical direction on the surface of the wing, that is, the oscillating resistance, to increase the oscillating stopping force of the substructure. It will increase further.
【0016】そして、上記した本発明に係る洋上風力発
電の浮体式基礎構造物のうちサブ浮体を設置しているも
のにおいて、動揺制止翼をサブ浮体より更に離れた位置
に設けた場合には、上記した動揺制止翼を設けた場合の
効果がより顕著になる。
[0016] In the above-mentioned floating offshore substructure of the present invention, in which a sub-floating body is installed, when the anti-swaying wing is provided further away from the sub-floating body, The effect obtained when the above-mentioned anti-swaying wing is provided becomes more remarkable.
【0017】[0017]
【実施例】以下、本発明に係る洋上風力発電の浮体式基
礎構造物を図1及び図2に示す一実施例に基づいて説明
する。図1は本発明に係る洋上風力発電の浮体式基礎構
造物を側面から見た概略説明図、図2(a)は図1のA
−A断面図、(b)は図1のB−B断面図、(c)は図
1のC−C断面図、(d)は(c)図における動揺制止
翼の断面を示した図で、その作用説明図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS A floating substructure for offshore wind power generation according to the present invention will be described below with reference to an embodiment shown in FIGS. FIG. 1 is a schematic explanatory view of a floating substructure for offshore wind power generation according to the present invention as viewed from the side, and FIG.
-A sectional view, (b) is a sectional view taken along the line BB of FIG. 1, (c) is a sectional view taken along the line CC of FIG. FIG.
【0018】図1及び図2において、1は洋上において
タワー2aの先端部にナセル、ブレード2bを配置した
発電機システム2を立設支持する、本発明に係る浮体式
の基礎構造物であって、重心を低くして転倒しないよう
に復元力を確保すると共に、波浪による変動浮力や動揺
を減じ、漂流を防止するために、基礎構造物1の内、浮
力を受けもたない例えばデッキ等の部分を極力なくした
水中構造物となすと共に、以下のような構成を採用して
いる。
1 and 2, reference numeral 1 denotes a floating substructure according to the present invention, which stands up and supports a generator system 2 having a nacelle and a blade 2b arranged at the tip of a tower 2a on the sea. In order to secure the restoring force so that the center of gravity is not lowered by lowering the center of gravity, to reduce the fluctuation buoyancy and sway due to the waves, and to prevent drifting, the buoyancy of the substructure 1 such as a deck, In addition to the underwater structure with as few parts as possible, the following configuration is adopted.
【0019】3は前記発電機システム2を立設支持する
中央構造物であり、この中央構造物3には、主要浮体4
と、タワー浮体部5と、係留装置6が設置されている。
このうち、主要浮体4は発電機システム2を立設支持し
た状態の中央構造物3の下方部分を水中に位置させるた
めのもので、波強制力によって特に動揺等の横方向力を
減少させるように例えば平板状に形成され、また、あら
ゆる方向からの入射波に対しても外力を軽減できるよう
に、中央構造物3に対して強度部材9を介して、図2
(b)に示したように、放射状に配置されている。
Reference numeral 3 denotes a central structure for standingly supporting the generator system 2, and the central structure 3 includes a main floating body 4
, A tower float 5 and a mooring device 6.
Among them, the main floating body 4 is for positioning the lower part of the central structure 3 in a state where the generator system 2 is erected and supported underwater, and the lateral force such as sway is reduced by the wave forcing force. For example, the central structure 3 is formed via a strength member 9 with respect to the central structure 3 so as to reduce external force against incident waves from all directions.
As shown in (b), they are arranged radially.
【0020】また、タワー浮体部5は、波浪による変動
浮力に対応させると共に、垂直方向の復元力を保持する
ためのもので、このタワー浮体部5は、前記主要浮体4
と同様、波浪衝撃に耐えるため平板状に形成され、例え
ば前記下方部分を水中に位置させた中央構造物3の水面
付近に位置する部分に直接取付けられている。
The tower floating body 5 is adapted to cope with fluctuating buoyancy caused by waves and to maintain a vertical restoring force.
Similarly to the above, it is formed in a flat plate shape to withstand the wave impact, and is directly attached to, for example, a portion located near the water surface of the central structure 3 in which the lower portion is located in water.
【0021】また、係留装置6は前記した構成の基礎構
造物1を係留するためのもので、本実施例では、重量及
びコストを考慮して一点係留とし、かつ、動揺を可及的
に抑制するために、基礎構造物1の上方に配置した後述
するサブ浮体7に取付けたものを示している。このよう
な一点係留の場合、係留装置6の反対位置には、図示省
略したが、バランスウェイトを設置しておくことが望ま
しい。
The mooring device 6 is for mooring the substructure 1 having the above-described structure. In this embodiment, the mooring device 6 is moored at a single point in consideration of weight and cost, and sway is suppressed as much as possible. In order to do so, it is shown mounted on a sub-floating body 7 described below disposed above the substructure 1. In the case of such a one-point mooring, it is desirable to install a balance weight at a position opposite to the mooring device 6, although not shown.
【0022】7は前記基礎構造物1に設けたサブ浮体で
あり、前記したタワー浮体部5だけでは波浪による変動
浮力に対する復元力が足りない場合に、この復元力を補
って小さな動揺に対処し、基礎構造物1の転倒を防止す
るためのものである。
Reference numeral 7 denotes a sub-floating body provided on the substructure 1. If the tower floating body 5 alone does not have sufficient restoring force against fluctuating buoyancy caused by waves, the restoring force is compensated for to cope with small shaking. , To prevent the substructure 1 from overturning.
【0023】本実施例では、例えば静水面上にその着力
点を設けるよう、静水面と接する位置に設置したものを
示している。また、本実施例では、このサブ浮体7は、
図2(a)に示したように、横断面が偏平状に形成さ
れ、主要浮体4の上方に、前記した主要浮体4と同様、
中央構造物3に対して放射状に配置し、あらゆる方向の
傾斜動揺にも対応できるものを示している。
In the present embodiment, for example, the apparatus is installed at a position in contact with the still water surface so as to provide the contact point on the still water surface. In this embodiment, the sub-floating body 7 is
As shown in FIG. 2A, the cross section is formed to be flat, and above the main floating body 4, similarly to the main floating body 4 described above.
The figure shows a structure that is arranged radially with respect to the central structure 3 and can cope with tilting and swaying in all directions.
【0024】8は前記したサブ浮体7よりも更に中央構
造物3から離れた位置に、動揺時には流体が自由に通過
できるように、図2(a)に示したような、夫々が適当
な間隔を存して設けられた動揺制止翼であり、動揺時に
は、図2(d)に破線で示したように、その先端が撓む
ように柔翼構造となされている。
Numerals 8 are located at positions further away from the central structure 3 than the sub-floating body 7 described above, and each of them has an appropriate distance as shown in FIG. And a soft wing structure in which the tip of the wing is flexed when swaying, as shown by a broken line in FIG. 2D.
【0025】従って、動揺時にはこの動揺制止翼8の間
を流体が自由に通過することで、翼の先端部が撓み、こ
の先端より放出される渦流れにより動揺制止翼8の表面
の垂直方向の流体力、すなわち、動揺抵抗が増加するこ
とになって、基礎構造物1の動揺制止力がさらに増加す
ることになる。なお、この柔翼構造となすことによっ
て、翼根部の応力集中を防ぐことができ、装置の安全性
を増加することができる。
Therefore, at the time of sway, the fluid freely passes between the sway stopping blades 8, the tip of the blade is bent, and the vortex flow released from the tip causes the surface of the sway stopping blade 8 in the vertical direction. The fluid force, that is, the oscillating resistance increases, and the oscillating stopping force of the substructure 1 further increases. By adopting this soft wing structure, stress concentration at the blade root can be prevented, and the safety of the device can be increased.
【0026】なお、本発明に係る洋上風力発電の浮体式
基礎構造物1は重量軽減のため、FRPで製作すること
が望ましい。また、本実施例では図示省略したが、基礎
構造物1全体の重心を下げるため、例えば中央構造物3
の下部に固定バラストを搭載してもよい。
The floating substructure 1 for offshore wind power generation according to the present invention is desirably manufactured by FRP in order to reduce the weight. Although not shown in the present embodiment, in order to lower the center of gravity of the entire substructure 1, for example, the central structure 3
A fixed ballast may be mounted on the lower part of the vehicle.
【0027】本発明に係る洋上風力発電の浮体式基礎構
造物1は上記した実施例に限るものでないことは言うま
でもない。例えば主要浮体4とタワー浮体部5の形状を
平板状以外の形状となしたり、設置する水域によって
は、主要浮体4は、中央構造物3に対して放射状に配置
しなくてもよい。
It goes without saying that the floating substructure 1 for offshore wind power generation according to the present invention is not limited to the above-described embodiment. For example, depending on the shape of the main floating body 4 and the tower floating body portion 5 other than the flat plate shape, or depending on the water area to be installed, the main floating body 4 may not be arranged radially with respect to the central structure 3.
【0028】また、サブ浮体7や動揺制止翼8は必ずし
も設けなくてもよく、仮に設けたとしても、横断面を偏
平状に形成しなくても、また、設置する水域によって
は、主要浮体4と同様、中央構造物3に対して放射状に
配置しなくてもよい。また、主要浮体4の上方に設置し
なくてもよい。
The sub-floating body 7 and the sway-preventing wing 8 may not be necessarily provided. Even if the sub-floating body 7 is provided, it is not necessary to form the cross section in a flat shape, and depending on the water area to be installed, the main floating body 4 may be provided. Similarly to the above, it is not necessary to radially arrange the central structure 3. Further, it is not necessary to install the main floating body 4 above.
【0029】[0029]
【発明の効果】以上説明したように、本発明に係る洋上
風力発電の浮体式基礎構造物によれば、水深の影響を殆
ど受けないばかりか、海洋地形を全く問題とすることが
なく、しかも、洋上風速が増加する傾向にある沖合いに
おいても、波浪外力や風外力等の影響に起因する装置全
体の動揺を可及的に抑制できるので、発電機システムの
設置が可能になる。また、本発明に係る洋上風力発電の
浮体式基礎構造物によれば、その下部に魚類の漁礁効果
も付加することができる。
As described above, according to the floating substructure for offshore wind power generation according to the present invention, not only is it hardly affected by the water depth but also the marine landform is not a problem at all, and In addition, even offshore where the offshore wind speed tends to increase, it is possible to suppress the fluctuation of the entire apparatus due to the influence of the external wave force and the external wind force as much as possible, so that the generator system can be installed. Further, according to the floating substructure of offshore wind power generation according to the present invention, a reef effect of fish can be added to a lower portion thereof.
【図面の簡単な説明】[Brief description of the drawings]
【図1】本発明に係る洋上風力発電の浮体式基礎構造物
を側面から見た概略説明図である。
FIG. 1 is a schematic explanatory view of a floating substructure for offshore wind power generation according to the present invention as viewed from a side.
【図2】(a)は図1のA−A断面図、(b)は図1の
B−B断面図、(c)は図1のC−C断面図、(d)は
(c)図における動揺制止翼の断面を示した図で、その
作用説明図である。
2A is a sectional view taken along line AA of FIG. 1, FIG. 2B is a sectional view taken along line BB of FIG. 1, FIG. 2C is a sectional view taken along line CC of FIG. 1, and FIG. It is a figure showing a section of a swaying stop wing in a figure, and is an operation explanatory view.
【符号の説明】[Explanation of symbols]
1 基礎構造物 2 発電機システム 3 中央構造物 4 主要浮体 5 タワー浮体部 6 係留装置 7 サブ浮体 8 動揺制止翼 DESCRIPTION OF SYMBOLS 1 Foundation structure 2 Generator system 3 Central structure 4 Main floating body 5 Tower floating body 6 Mooring device 7 Sub-floating body 8 Sway control wing
───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 2D046 DA07 3H078 AA02 AA17 AA26 BB15 BB20 CC47 CC80  ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2D046 DA07 3H078 AA02 AA17 AA26 BB15 BB20 CC47 CC80

Claims (9)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 洋上において発電機システムを立設支持
    する浮体式の基礎構造物であって、この基礎構造物は、
    前記発電機システムを立設支持する中央構造物と、発電
    機システムを立設支持した状態の前記中央構造物の下方
    部分を水中に位置させる主要浮体と、波浪による変動浮
    力に対応させると共に、垂直方向の復元力を保持するた
    めに前記中央構造物に設置したタワー浮体部と、この基
    礎構造物を係留する係留装置を備えたことを特徴とする
    洋上風力発電の浮体式基礎構造物。
    1. A floating substructure that supports a generator system on the sea, wherein the substructure is:
    A central structure that stands and supports the generator system, a main floating body that positions a lower portion of the central structure in the state where the generator system is standing and supported in water, and a vertical structure that corresponds to fluctuating buoyancy caused by waves. A floating substructure for offshore wind power generation, comprising: a tower floating body installed on the central structure to maintain a directional restoring force; and a mooring device mooring the substructure.
  2. 【請求項2】 主要浮体とタワー浮体部は平板形状であ
    ることを特徴とする請求項1記載の洋上風力発電の浮体
    式基礎構造物。
    2. The floating substructure for offshore wind power generation according to claim 1, wherein the main floating body and the tower floating body have a flat plate shape.
  3. 【請求項3】 主要浮体は、中央構造物に対して放射状
    に配置されていることを特徴とする請求項1又は2記載
    の洋上風力発電の浮体式基礎構造物。
    3. The floating substructure for offshore wind power generation according to claim 1, wherein the main floating structure is arranged radially with respect to the central structure.
  4. 【請求項4】 基礎構造物に、波浪による変動浮力に対
    する復元力を補うためのサブ浮体を設けたことを特徴と
    する請求項1〜3の何れか記載の洋上風力発電の浮体式
    基礎構造物。
    4. The floating substructure for offshore wind power generation according to claim 1, wherein the substructure is provided on the substructure to supplement a restoring force against fluctuation buoyancy caused by waves. .
  5. 【請求項5】 サブ浮体は、中央構造物に対して放射状
    に配置されていることを特徴とする請求項4記載の洋上
    風力発電の浮体式基礎構造物。
    5. The floating substructure for offshore wind power generation according to claim 4, wherein the sub-floats are arranged radially with respect to the central structure.
  6. 【請求項6】 サブ浮体は、主要浮体の上方に設置され
    ていることを特徴とする請求項4又は5記載の洋上風力
    発電の浮体式基礎構造物。
    6. The floating substructure for offshore wind power generation according to claim 4, wherein the sub-floating body is installed above the main floating body.
  7. 【請求項7】 サブ浮体は、横断面が偏平状に形成され
    ていることを特徴とする請求項4〜6の何れか記載の洋
    上風力発電の浮体式基礎構造物。
    7. The floating substructure for offshore wind power generation according to claim 4, wherein the sub-floating body has a flat cross section.
  8. 【請求項8】 基礎構造物に、波浪や風による動揺を抑
    制するための動揺制止翼を設けたことを特徴とする請求
    項1〜7の何れか記載の洋上風力発電の浮体式基礎構造
    物。
    8. The floating substructure for offshore wind power generation according to any one of claims 1 to 7, wherein the substructure is provided with a sway-preventing wing for suppressing sway due to waves and wind. .
  9. 【請求項9】 請求項4〜7の何れか記載の洋上風力発
    電の浮体式基礎構造物において、動揺制止翼は、サブ浮
    体より更に離れた位置に設けたことを特徴とする請求項
    8記載の洋上風力発電の浮体式基礎構造物。
    9. The floating substructure for offshore wind power generation according to any one of claims 4 to 7, wherein the sway control vane is provided at a position further away from the sub-floating body. Floating substructure for offshore wind power generation.
JP2001085293A 2001-03-23 2001-03-23 Floating type foundation structure for marine wind power generation Pending JP2002285951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
JP2002285951A true JP2002285951A (en) 2002-10-03

Family

ID=18940830

Family Applications (1)

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Country Status (1)

Country Link
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WO2004055272A3 (en) * 2002-12-17 2004-08-19 Enertec Ag Floating foundation for wind energy production and methods for constructing and using asaid floating foundations
ES2232285A1 (en) * 2003-05-13 2005-05-16 Servicios De Ingenieria Y Montaje Alen, S.L. Floating wind turbine, has shaft provided with submerged portion of inverted stem unit, set of floating units are provided with inverted stem unit, and air securing units attached with stem
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JP2009153515A (en) * 2007-12-07 2009-07-16 Teruo Kinoshita Mooring fish reef with windmill and method for cultivating marine organism by the same
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US8235629B2 (en) 2004-10-06 2012-08-07 Blue H Intellectual Property Cyprus Ltd. Submerged floating foundation with blocked vertical thrust as support base for wind turbine, electrolyser and other equipment, combined with fish farming
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CN103291546A (en) * 2013-06-27 2013-09-11 上海交通大学 Offshore floating type wind generator controlled by tuned liquid column damper
KR101354591B1 (en) 2012-07-06 2014-01-23 부산대학교 산학협력단 offshore floating type wind turbine with controlling stable balance
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CN104234950A (en) * 2014-09-01 2014-12-24 中国十七冶集团有限公司 Base of wind driven generator used for deep-water area
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WO2016004739A1 (en) * 2014-07-08 2016-01-14 Carlos Wong Wind tracing, rotational, semi-submerged raft for wind power generation and a construction method thereof
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WO2004055272A3 (en) * 2002-12-17 2004-08-19 Enertec Ag Floating foundation for wind energy production and methods for constructing and using asaid floating foundations
JP2006510524A (en) * 2002-12-17 2006-03-30 エナーテック アーゲー Floating base for generating wind energy and its construction and method of use
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US8235629B2 (en) 2004-10-06 2012-08-07 Blue H Intellectual Property Cyprus Ltd. Submerged floating foundation with blocked vertical thrust as support base for wind turbine, electrolyser and other equipment, combined with fish farming
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CN102144091A (en) * 2008-09-05 2011-08-03 马克斯·博格建筑两合公司 Offshore station, foundation for an offshore station, and method for building an offshore station
JP2010247646A (en) * 2009-04-15 2010-11-04 Penta Ocean Construction Co Ltd Floating body type structure in floating body type offshore wind power generation and method for mooring the same
WO2012030123A2 (en) * 2010-08-30 2012-03-08 Kang Deok Soo Offshore floating wind turbine apparatus having a compression structure comprising floating support lines
WO2012030123A3 (en) * 2010-08-30 2012-04-26 Kang Deok Soo Offshore floating wind turbine apparatus having a compression structure comprising floating support lines
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