CN111997841B - Floating type fan generator set - Google Patents

Floating type fan generator set Download PDF

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Publication number
CN111997841B
CN111997841B CN202010914383.9A CN202010914383A CN111997841B CN 111997841 B CN111997841 B CN 111997841B CN 202010914383 A CN202010914383 A CN 202010914383A CN 111997841 B CN111997841 B CN 111997841B
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China
Prior art keywords
floating
generator set
floating member
foundation
fan
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CN202010914383.9A
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CN111997841A (en
Inventor
张黎
张友林
白奇炜
李华祥
曹广启
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Shanghai Electric Wind Power Group Co Ltd
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Shanghai Electric Wind Power Group Co Ltd
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Priority to CN202010914383.9A priority Critical patent/CN111997841B/en
Publication of CN111997841A publication Critical patent/CN111997841A/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
    • B63B43/14—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using outboard floating members
    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0204—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/329—Azimuth or yaw angle
    • 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

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

Abstract

The invention discloses a fan generator set, comprising: the wind wheel system comprises a cabin, a hub and blades; a floating foundation; and at least three support assemblies by which the wind turbine system is mounted above the floating foundation. Compared with a conventional floating wind power system, the wind turbine generator set saves a tower barrel, simplifies a huge floating foundation structure, greatly reduces the floating foundation steel consumption of the floating wind turbine generator, and saves the material cost.

Description

Floating type fan generator set
Technical Field
The invention relates to the field of wind power generation, in particular to a floating type fan generator set.
Background
Wind energy is increasingly developed and utilized as a green renewable energy source, the development focus of the wind power generation industry is slowly transferred from land to the sea, and the wide deep sea has huge wind energy development potential. The deep and open sea floating wind power is a hotspot for the development and construction of the international offshore wind farm, commercial operation floating wind farms are developed in Europe, and several large energy sources in China are vigorously developing floating wind power generation demonstration prototype projects in transitional water depth sea areas in China.
The research of the floating type fan in China is still in a starting stage at present, most of offshore wind power research projects of several countries in the prior art are floating type foundations based on a three-buoy semi-submersible form, and compared with European friendly sea environment conditions, the sea water depth of China is medium, wind resources are unstable and typhoon is often accompanied, so that various floating type fan foundations which are more suitable for the sea area conditions of China and have intellectual property rights of China need to be developed.
Due to the special environmental conditions such as deep sea water depth, wind waves and the like, the offshore floating type fan system has the advantages that the cost of the offshore fan is high due to the large size of the basic structure, the large steel consumption and other factors, and in addition, the electricity price is removed by a subsidy policy, so that the offshore wind power industry faces huge cost reduction pressure. The existing offshore wind turbine is always optimized, but the power consumption cost from the flat price on-line has a great gap, the optimization space in the aspects of simplifying structural components and saving materials is smaller and smaller, and a new way for widening the concept of reducing the cost is needed.
In addition, the conditions of no European sea area in China are superior, the conditions of offshore wind, wave and flow are complex, and the floating type fan system can frequently pitch, roll, heave and the like, so that the failure probability of an electronic control system of a fan unit, particularly a pitch-controlled yaw system, can be obviously increased, and a mechanical pitch-controlled method with higher operability is required.
Disclosure of Invention
The invention aims to provide a novel lightweight floating type fan generator set, which saves a tower cylinder compared with a conventional floating type wind power system, simplifies a huge floating type foundation structure, greatly reduces the floating type foundation steel consumption of a floating type wind driven generator and saves the material cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a fan-generator set comprising:
the wind wheel system comprises a cabin, a hub and blades;
a floating foundation; and
at least three support assemblies by which the wind turbine system is mounted above the floating foundation.
In this embodiment, the support assembly includes:
a first support bar, one end of which is mounted to the nacelle and/or the hub, an
And the second supporting rod is connected with the first supporting rod, and one end of the second supporting rod is arranged on the floating foundation.
In this embodiment, the first support rod is a damping support rod.
In this embodiment, the nacelle includes a first side surface and a second side surface opposite to the first side surface, a first end surface and a second end surface opposite to the first end surface, the hub is mounted to the first end surface of the nacelle, and the at least three support assemblies include:
one end of the first support component is arranged on the fan hub, and the other end of the first support component is arranged on the floating foundation;
one end of the second support assembly is mounted on the second end face of the wind power cabin, and the other end of the second support assembly is mounted on the floating foundation;
one end of the third support assembly is mounted on the first side face of the wind power cabin, and the other end of the third support assembly is mounted on the floating foundation; and
and one end of the fourth supporting assembly is arranged on the second side face of the wind power cabin, and the other end of the fourth supporting assembly is arranged on the floating foundation.
In this embodiment, the floating foundation includes a first floating member, a second floating member, a third floating member and a fourth floating member, the first support assembly is mounted on the first floating member, the second support assembly is mounted on the second floating member, the third support assembly is mounted on the third floating member, and the fourth support assembly is mounted on the fourth floating member.
In this embodiment, at least one first connecting rod is installed between the first floating member and the third floating member, between the first floating member and the fourth floating member, between the second floating member and the third floating member, and between the second floating member and the fourth floating member.
In this embodiment, the first floating member includes a first buoy and a second buoy, and the first buoy and the second buoy are fixedly connected; and/or the second floating piece comprises a third buoy and a fourth buoy, and the third buoy and the fourth buoy are fixedly connected; and/or the third floating piece comprises a fifth floating barrel and a sixth floating barrel which are fixedly connected; and/or the fourth floating piece comprises a seventh floating barrel and an eighth floating barrel, and the seventh floating barrel is fixedly connected with the eighth floating barrel.
In this embodiment, a main rudder is mounted to a lower end of the second floating member.
In this embodiment, the lower end of the third floating member and/or the lower end of the fourth floating member are/is provided with an auxiliary rudder, and the auxiliary rudder is connected with the main rudder through a transmission member.
In this embodiment, a streamline adjustable ballast tank is installed at the lower end of the first floating member.
In this embodiment, the lower end of the second floating member and/or the lower end of the third floating member and/or the lower end of the fourth floating member is/are provided with a fixed ballast tank.
In this embodiment, the axes of at least three first support rods are located in the same plane, and the plane is parallel to the plane of the floating foundation.
Compared with the prior art, the invention has at least one of the following advantages:
(1) compared with a conventional floating wind power system, the wind turbine generator set saves a tower barrel, simplifies a huge floating foundation structure, greatly reduces the floating foundation steel consumption of the floating wind turbine generator, and saves the material cost.
(2) The plurality of damping support rod structures are arranged around the fan engine room and the fan hub, so that vibration caused by movement transmission of the foundation can be effectively reduced when the fan generates electricity. Under the action of a single-point mooring system, the floating wind power system can realize the natural wind facing function.
(3) The wind generating set can adjust the wind facing direction of the floating foundation under the condition of surge and wind direction incongruity, and stabilize the wind facing posture of the floating foundation.
(4) The draught fan generator set reduces the obstruction of the floating foundation underwater structure when facing the inrush current, namely improving the surging motion of the draught fan generator set.
(5) The pressure loading amount of the streamline adjustable ballast tank can be adjusted, the pitching angle of the fan impeller is changed according to the wind direction, so that the function of mechanical pitch adjustment is achieved, the high cost of an electronic pitch-variable yaw system can be saved, the failure of a remote control automatic yaw system is avoided, and the economy is good.
Drawings
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
Fig. 2 is a front view of an embodiment of the present invention.
Fig. 3 is an enlarged view of an embodiment of the present invention.
FIG. 4 is a top view of a streamlined adjustable ballast in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the embodiments shown in fig. 1 to 4. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or field device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or field device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or field device that comprises the element.
Referring to fig. 1 to 4, the present embodiment provides a wind turbine generator set, including:
a wind wheel system 1;
a floating foundation; and
at least three support assemblies 2, one said support assembly 2 comprising:
a first support rod 201, one end of which is mounted to the wind wheel system 1; and
a second support bar 202 connected to the first support bar 201, wherein one end of the second support bar 202 is installed on the floating foundation, and the height of the second support bar 202 is about 5 m-20 m according to the water depth;
the wind wheel system 1 is mounted above the floating foundation through the at least three support assemblies 2, and the overall draught of the floating type wind turbine power generation system in the embodiment is about 10-30 m.
The center of gravity of the fan generator set is moved downwards to the greatest extent, and good stability is provided for the fan generator set so as to adapt to the water depth environment.
In this embodiment, the first support rod 201 is a damping support rod, which can effectively improve the vibration of the fan blade 103 caused by the motion transmission of the floating foundation in the power generation state.
In this embodiment, the wind turbine system 1 includes:
a wind power nacelle 101 having a side face, a first end face, and a second end face opposite the first end face;
a fan hub 102 mounted on a first end surface of the wind power cabin 101; and
and the fan blades 103 are arranged on the fan hub 102.
In this embodiment, the at least three support assemblies 2 include:
a first support assembly, one end of which is mounted to the fan hub 102 and the other end of which is mounted to the floating foundation;
a second support assembly, one end of which is mounted on the second end face of the wind power cabin 101, and the other end of which is mounted on the floating foundation;
a third supporting assembly, one end of which is installed on the side surface of the wind power cabin 101, and the other end of which is installed on the floating foundation; and
and one end of the fourth supporting assembly is mounted on the side surface of the wind power cabin 101, and the other end of the fourth supporting assembly is mounted on the floating foundation.
Referring to fig. 1, the first supporting assembly and the second supporting assembly are respectively located at the left side and the right side of the wind power nacelle 101, and the third supporting assembly and the fourth supporting assembly are respectively located at the front side and the rear side of the wind power nacelle 101.
In this embodiment, the floating foundation includes a first floating member 81, a second floating member 82, a third floating member 83, and a fourth floating member 84, the first support assembly is mounted to the first floating member 81, the second support assembly is mounted to the second floating member 82, the third support assembly is mounted to the third floating member 83, and the fourth support assembly is mounted to the fourth floating member 84; the top view of the floating foundation is a square with the side length of about 30-40 m.
In this embodiment, at least one first connecting rod 85 is installed between the first floating member 81 and the third floating member 83, between the first floating member 81 and the fourth floating member 84, between the second floating member 82 and the third floating member 83, and between the second floating member 82 and the fourth floating member 84.
In this embodiment, the first floating member 81 includes a first floating barrel and a second floating barrel perpendicular to each other, and the first floating barrel and the second floating barrel are fixedly connected; and/or the second floating member 82 comprises a third floating barrel and a fourth floating barrel which are perpendicular to each other, and the third floating barrel and the fourth floating barrel are fixedly connected; and/or the third floating member 83 comprises a fifth floating barrel and a sixth floating barrel which are perpendicular to each other, and the fifth floating barrel and the sixth floating barrel are fixedly connected; and/or the fourth floating member 84 comprises a seventh floating barrel and an eighth floating barrel which are perpendicular to each other, and the seventh floating barrel and the eighth floating barrel are fixedly connected. The length of the buoy is about 5-10 m, and the diameter of the buoy is about 5-8 m; the buoy is made of non-steel low-density materials, provides buoyancy for the wind wheel system 1, and provides anti-overturning force for the floating type fan system under the condition that the weight of the fan generator set is not remarkably increased.
In this embodiment, the main rudder 4 is attached to the lower end of the second floating member 82.
In this embodiment, the auxiliary rudder 5 is installed at the lower end of the third floating member 83 and/or the lower end of the fourth floating member 84, and the auxiliary rudder 5 and the main rudder 4 are connected by a transmission member, which is a transmission rod.
The height of the main rudder 4 is about 3-5 m, the main rudder is controlled by hydraulic steering equipment, and the transmission part drives the other two auxiliary rudders 5 to steer and adjust the direction of the floating foundation at the same time so that the floating foundation can conform to the wind direction on the water surface; the main rudder 4 and the auxiliary rudder 5 form a joint rudder system.
The main rudder 4 is arranged at the rear lower part of the fan blade 103 (shown as the left side of the fan blade 103 in the attached drawing 1), and in the case that the underwater current and the wind direction on the water are in a different direction, the united rudder system adjusts the main rudder 4 to enable the auxiliary rudder 5 to act together to adjust the direction of the floating foundation to conform to the wind direction.
In this embodiment, the lower end of the first floating member 81 is provided with the streamline adjustable ballast tank 6, the streamline adjustable ballast tank 6 is divided into a plurality of ballast compartments, and is located at the lower front portion of the fan blade 103 (shown on the right side of the fan blade 103 in fig. 1), the horizontal section of the streamline adjustable ballast tank 6 is in a water drop streamline shape, as shown in fig. 4, the tank has a length of about 6 to 10m and a height of about 6 to 10m, and the streamline adjustable ballast tank 6 is connected with 3 to 4 mooring cables and anchored on the seabed.
The lower end of the first buoyant member 81 or the lower end of the streamlined adjustable ballast tank 6 is provided with a mooring system, and a plurality of anchors are used to secure the mooring lines to the seabed.
In this embodiment, the lower ends of the second floating member 82, the third floating member 83 and the fourth floating member 84 are respectively provided with a fixed ballast tank 6 in a suspended manner, the height of the fixed ballast tank 6 is about 4-8 m, and the fixed ballast tank has the function of adjusting the heave of the fan-generator set besides lowering the center of gravity of the system.
Streamlined adjustable ballast tank 6 is fixed through the second connecting rod with three fixed ballast tank between to increase this fan generating set's stability. The two ballast tanks function as: firstly, ballast is filled to reduce the gravity center of the fan generator set, so that the stability of the fan generator set is improved; secondly, the water flow resistance in the inrush current direction is reduced, so that the surging of the fan generator set is improved; and thirdly, adjusting the pitching angle of the wind wheel to wind by adjusting the load capacity.
The streamlined adjustable ballast tanks 6 and the three fixed ballast tanks are used to lower the center of gravity of the unit to improve overall stability and to act as heave plates.
In this embodiment, the axes of at least three first support rods 201 are located in the same plane, and the plane is parallel to the plane of the floating foundation.
The wind turbine generator set has a natural yawing function, solves the problem that the natural wind direction of the floating wind turbine generator set is difficult to control due to underwater inrush current and wind direction incongruity by combining the streamline adjustable ballast tank 6 and a joint rudder system, and mechanically adjusts the wind pitching angle of the wind wheel by adjusting the streamline adjustable ballast tank 6 at the head part.
The fan generator set has the advantages of low gravity center, large waterplane inertia moment and good stability, and the structural arrangement of the fan generator set can improve the movement in various degrees of freedom directions, thereby being particularly suitable for the environment of the transitional water depth sea area in China. In addition, the floating type fan generator set can be completely installed at a wharf, and then is integrally wet-towed to a wind field for anchoring, so that the construction is convenient.
The fan generator set has the advantages of natural yawing, stable yawing, excellent floating stability, strong water depth adaptability and the like, and is small in steel consumption, low in material cost and good in economical efficiency. The method has obvious advantages of technology and economy, and is suitable for popularization under the environmental conditions of the transitional water depth and the sea area in China.
The fan generator set has a deviation-resistant natural yawing function, has good performances of surging, swaying, heaving and the like under the condition of large stormy waves, is small in overall steel consumption and low in material cost, only needs wharf installation and assembly, is convenient to construct and good in economy, and is particularly suitable for wide popularization in China sea areas.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (9)

1. A fan-generator set, comprising:
the wind wheel system comprises a cabin, a hub and blades;
the floating foundation comprises a first floating piece, a second floating piece, a third floating piece and a fourth floating piece; and
at least three support assemblies by which the wind turbine system is mounted above the floating foundation;
the lower end of the second floating piece is provided with a main rudder; the lower end of the third floating piece and/or the lower end of the fourth floating piece are/is provided with an auxiliary rudder which is connected with the main rudder through a transmission piece; and a streamline adjustable ballast tank is arranged at the lower end of the first floating piece.
2. The fan-generator set of claim 1, wherein the support assembly comprises:
a first support bar, one end of which is mounted to the nacelle and/or the hub, an
And the second supporting rod is connected with the first supporting rod, and one end of the second supporting rod is arranged on the floating foundation.
3. The fan-generator set of claim 2, wherein the first support bar is a damping support bar.
4. The fan generator set of claim 3, wherein the nacelle includes a first side and a second side opposite the first side, a first end face, and a second end face opposite the first end face, the hub is mounted to the first end face of the nacelle, and the at least three support assemblies comprise:
one end of the first support component is arranged on the fan hub, and the other end of the first support component is arranged on the floating foundation;
a second support assembly having one end mounted to a second end face of the nacelle and another end mounted to the floating foundation;
a third support assembly having one end mounted to the first side of the nacelle and another end mounted to the floating foundation; and
a fourth support assembly having one end mounted to the second side of the nacelle and another end mounted to the floating foundation.
5. The wind turbine generator set of claim 4, wherein the floating foundation includes a first floating member, a second floating member, a third floating member, and a fourth floating member, the first support assembly being mounted to the first floating member, the second support assembly being mounted to the second floating member, the third support assembly being mounted to the third floating member, and the fourth support assembly being mounted to the fourth floating member.
6. The fan-generator set of claim 5, wherein at least one first connecting rod is mounted between the first floating member and a third floating member, between the first floating member and the fourth floating member, between the second floating member and the third floating member, and between the second floating member and the fourth floating member.
7. The wind turbine generator set of claim 5 or 6, wherein the first float member comprises a first float and a second float, the first float and the second float being fixedly connected; and/or the second floating piece comprises a third buoy and a fourth buoy, and the third buoy and the fourth buoy are fixedly connected; and/or the third floating piece comprises a fifth floating barrel and a sixth floating barrel which are fixedly connected; and/or the fourth floating piece comprises a seventh floating barrel and an eighth floating barrel, and the seventh floating barrel is fixedly connected with the eighth floating barrel.
8. The wind turbine generator set according to claim 1, wherein the lower end of the second floating member and/or the lower end of the third floating member and/or the lower end of the fourth floating member is provided with a fixed ballast tank.
9. The wind turbine generator set of claim 2, wherein the axes of at least three of the first support struts lie in a common plane that is parallel to a plane in which the floating foundation lies.
CN202010914383.9A 2020-09-03 2020-09-03 Floating type fan generator set Active CN111997841B (en)

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CN111997841B true CN111997841B (en) 2022-02-11

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CN112628070B (en) * 2020-12-18 2021-12-28 明阳智慧能源集团股份公司 Method and module for controlling pitching resistance increasing of floating platform of offshore floating type wind turbine generator

Citations (3)

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CN108715215A (en) * 2018-05-14 2018-10-30 重庆大学 A kind of four column semi-submersible type blower foundation of double floating bodies
WO2019224535A1 (en) * 2018-05-22 2019-11-28 Floating Energy Systems Limited Wind turbine & method for installing a wind turbine
CN111441916A (en) * 2020-05-13 2020-07-24 北京三力新能科技有限公司 Horizontal shaft offshore wind generating set tower

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108715215A (en) * 2018-05-14 2018-10-30 重庆大学 A kind of four column semi-submersible type blower foundation of double floating bodies
WO2019224535A1 (en) * 2018-05-22 2019-11-28 Floating Energy Systems Limited Wind turbine & method for installing a wind turbine
CN111441916A (en) * 2020-05-13 2020-07-24 北京三力新能科技有限公司 Horizontal shaft offshore wind generating set tower

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