CN114508457A - Double-power-generation-mode generator set and offshore wind power system - Google Patents

Double-power-generation-mode generator set and offshore wind power system Download PDF

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Publication number
CN114508457A
CN114508457A CN202111615793.4A CN202111615793A CN114508457A CN 114508457 A CN114508457 A CN 114508457A CN 202111615793 A CN202111615793 A CN 202111615793A CN 114508457 A CN114508457 A CN 114508457A
Authority
CN
China
Prior art keywords
generator
wind
floating foundation
power
generator set
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.)
Withdrawn
Application number
CN202111615793.4A
Other languages
Chinese (zh)
Inventor
李新凯
刘鑫
叶昭良
廖猜猜
尹铁男
闫姝
孙曼杰
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Huaneng Clean Energy Research Institute
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Huaneng Clean Energy Research Institute
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 Huaneng Clean Energy Research Institute filed Critical Huaneng Clean Energy Research Institute
Priority to CN202111615793.4A priority Critical patent/CN114508457A/en
Publication of CN114508457A publication Critical patent/CN114508457A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • 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
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • F03D1/025—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors coaxially arranged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • 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
    • 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
    • B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • 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
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines

Abstract

The invention discloses a double-power-generation-mode generator set and an offshore wind power system. The double-power-generation-mode generator set comprises a floating foundation adopting a composite three-pile type supporting structure; an anchor chain for fixing the floating foundation; the wind driven generator is arranged at the top of the floating foundation; and the hydroelectric generator is arranged at the bottom of the floating foundation, a water wheel blade of the hydroelectric generator is a lifting force type water wheel blade, and after the floating foundation is fixed at a preset position by the anchor chain, the hydroelectric generator is positioned under the sea water, and the wind driven generator is positioned above the sea water. The double-power-generation-mode generator set can combine wind power generation and hydroelectric power generation, namely, the double-power-generation-mode generator set is used for generating power, so that the generator set can fully utilize ocean wind energy and hydraulic potential energy, the generated energy of the generator set is improved, the generating cost of unit kilowatt is reduced, and the price of offshore wind power is reduced.

Description

Double-power-generation-mode generator set and offshore wind power system
Technical Field
The invention relates to the technical field of generator sets, in particular to a double-power-generation-mode generator set and an offshore wind power system.
Background
The existing floating wind turbine generator is high in manufacturing cost and low in generating capacity, so that the cost of unit kilowatt generating capacity of the floating wind turbine generator is high, and the price of offshore wind power is high.
Therefore, how to reduce the price of offshore wind power is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a dual-power-generation-mode generator set to reduce the price of offshore wind power.
In order to achieve the purpose, the invention provides the following technical scheme:
a dual generation mode generator set comprising;
the floating foundation adopts a composite three-pile type supporting structure;
an anchor chain for fixing the floating foundation;
the tower drum of the wind driven generator is detachably mounted on the floating foundation; and
the hydraulic generator is arranged at the bottom of the floating foundation, a water wheel blade of the hydraulic generator is a lifting force type water wheel blade, the hydraulic generator is positioned under the sea water after the floating foundation is fixed at a preset position by the anchor chain, and the wind driven generator is positioned above the sea water.
Preferably, in the above-described dual generation mode genset, the hydro generator is rotatably connected to the floating foundation.
Preferably, in the double power generation mode generator set, an installation shaft for installing the hydroelectric generator is arranged at the bottom of the floating foundation, and the hydroelectric generator is rotatably connected with the installation shaft through a bearing.
Preferably, in the above dual generation mode genset, the hydro generator is rotatable 0-360 ° about the axis of the mounting shaft.
Preferably, in above-mentioned two power generation mode generating set, the floating formula basis includes first pile foundation, second pile foundation and third pile foundation, first pile foundation the second pile foundation with the third pile foundation passes through truss structural connection and forms the floating formula basis that is the triangular pyramid structure.
Preferably, in the double power generation mode generator set, a supporting platform for installing the wind power generator is arranged at the top of the floating foundation, and the installation shaft is arranged at the bottom of the floating foundation.
Preferably, in the above-mentioned double power generation mode generator set, the wind turbine is a double-wind-wheel horizontal-axis wind turbine.
Preferably, in the above-mentioned dual power generation mode generator set, the dual wind wheel horizontal axis wind turbine is provided with a yaw system capable of aligning the wind wheel with the wind direction.
When the double-power-generation-mode generator set provided by the invention is used, the floating foundation adopting the composite three-pile type supporting structure is fixed at a preset position through the anchor chain, so that the double-power-generation-mode generator set has better stability, the wind driven generator is detachably connected with the floating foundation through the tower drum and is fixed on the floating foundation, the hydroelectric generator is arranged at the bottom of the floating foundation, after the floating foundation is fixed at the preset position through the anchor chain, the wind driven generator arranged at the top of the floating foundation is positioned above seawater, the hydroelectric generator arranged at the bottom of the floating foundation is positioned below the seawater, the wind driven generator absorbs wind energy to generate power, and the hydroelectric generator absorbs hydraulic potential energy to generate power, so that the double-power-generation-mode generator set can combine the wind power generation and the hydroelectric generation together, namely, the double-power-generation mode is adopted to generate power, the power generating set can fully utilize the wind energy and the hydraulic potential energy of the ocean, the generating capacity of the power generating set is improved, the generating cost of unit kilowatt is reduced, and the price of the offshore wind power is reduced; meanwhile, the water wheel blade of the hydroelectric generator adopts the lift force type blade, and the torque is generated by the lift force generated by the water flow bypassing the lift force type blade, so that the power generation is realized.
In addition, the invention also discloses an offshore wind power system which comprises the double-power-generation-mode generator set, so that all the technical effects of the double-power-generation-mode generator set are achieved, and the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dual-power-generation-mode generator set according to an embodiment of the present invention;
fig. 2 is a schematic front structural diagram of a dual-power-generation-mode generator set according to an embodiment of the present invention;
fig. 3 is a schematic side view of a dual-power-generation-mode generator set according to an embodiment of the present invention.
The system comprises a floating foundation 100, a first pile foundation 101, a second pile foundation 102, a third pile foundation 103, a truss structure 104, a supporting platform 105, an installation shaft 106, a wind driven generator 200 and a hydroelectric generator 300.
Detailed Description
In view of the above, the core of the present invention is to provide a dual-power generation mode generator set to reduce the price of offshore wind power.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, an embodiment of the invention discloses a dual power generation mode generator set, which includes a floating foundation 100, a chain, a wind power generator 200 and a water power generator 300.
Wherein, the floating foundation 100 adopts a composite three-pile type supporting structure, and has better stability; the anchor chain is used for fixing the floating foundation 100; the wind driven generator 200 is arranged at the top of the floating foundation 100, and a tower of the wind driven generator 200 is detachably mounted on the floating foundation 100; the hydro generator 300 is disposed at the bottom of the floating foundation 100, the hydro blades of the hydro generator 300 are lift type hydro blades, and after the floating foundation 100 is fixed at a preset position by an anchor chain, the hydro generator 300 is located under sea water, and the wind power generator 200 is located above sea water.
When the double power generation mode generator set provided by the invention is used, the floating foundation 100 adopting the composite three-pile type supporting structure is fixed at a preset position through the anchor chain, so that the double power generation mode generator set has better stability, the wind driven generator 200 is fixed on the floating foundation 100 through the detachable connection of the tower drum and the floating foundation, the hydroelectric generator 300 is arranged at the bottom of the floating foundation 100, after the floating foundation 100 is fixed at the preset position through the anchor chain, the wind driven generator 200 arranged at the top of the floating foundation 100 is positioned above seawater, the hydroelectric generator 300 arranged at the bottom of the floating foundation 100 is positioned below the seawater, the offshore wind power generation is absorbed by the wind driven generator 200, the hydraulic potential energy is absorbed by the hydroelectric generator 300 for power generation, therefore, the double power generation mode generator set can combine the wind power generation and the hydroelectric power generation together, the double-power generation mode is adopted for power generation, so that the generator set can fully utilize the ocean wind energy and hydraulic potential energy, the generating capacity of the generator set is improved, the generating cost of unit kilowatt is reduced, and the price of the offshore wind power is reduced; meanwhile, the water wheel blade of the hydroelectric generator adopts the lift force type blade, and the torque is generated by the lift force generated by the water flow bypassing the lift force type blade, so that the power generation is realized.
It should be understood that the number and distribution of the anchor chains are not specifically limited, and the number and distribution are within the scope of the present invention as long as the number and distribution can meet the requirements of the application.
Moreover, the wind turbine 200 may be a horizontal axis wind turbine or a vertical axis wind turbine, a single wind turbine or a double wind turbine, and the like, and any type that can meet the use requirement is within the protection scope of the present invention; preferably, the wind power generator 200 provided by the invention is a double-wind-wheel horizontal-axis wind turbine, so that the residual wind energy of the front wind wheel can be absorbed by the rear wind wheel of the double-wind-wheel horizontal-axis wind turbine, the offshore wind energy can be fully utilized, the power generation amount of the double-power-generation-mode generator set can be increased, and the power generation cost per kilowatt can be further reduced.
Further, the hydroelectric generator 300 provided by the present invention is rotatably connected to the floating foundation 100, so that the water wheel of the hydroelectric generator 300 can rotate to align with the flow direction of the water flow, and obtain a large hydraulic potential energy, so as to further improve the power generation capacity of the dual power generation mode generator set, and simultaneously improve the application range of the dual power generation mode generator set.
It should be noted that, the hydroelectric generator 300 and the floating foundation 100 may be connected by a rotary joint, a hole shaft, or a hinge, and the like, and any connection method that can realize the rotary connection between the hydroelectric generator 300 and the floating foundation 100 is within the protection scope of the present invention; optionally, the embodiment of the present invention provides a specific connection manner.
As shown in fig. 1 to 3, the bottom of the floating foundation 100 is provided with a mounting shaft 106 for mounting the hydro generator 300, the hydro generator 300 is rotatably connected with the mounting shaft 106 through a bearing so as to support the hydro generator 300 through the bearing, so that the hydro generator 300 can rotate around the axis of the mounting shaft 106 at the outer circumference of the mounting shaft 106, and meanwhile, the friction between the mounting shaft 106 and the hydro generator 300 can be reduced through the bearing between the hydro generator 300 and the mounting shaft 106, thereby prolonging the service life of the dual power generation mode generator set.
It should be understood that the present invention does not specifically limit the rotation angle of the hydroelectric generator 300 around the axis of the mounting shaft 106, and the rotation angle is within the scope of the present invention as long as the rotation angle can meet the use requirement; preferably, the hydro-generator 300 provided by embodiments of the present invention is capable of rotating 0-360 about the mounting shaft 106 axis to facilitate increasing the applicability of the dual generation mode genset.
Furthermore, the floating foundation 100 provided by the present invention may have a cylindrical shape, a triangular pyramid shape, or a polygonal prism shape, and any shape that can meet the use requirement is within the scope of the present invention; preferably, embodiments of the present invention provide a specific floating foundation 100.
As shown in fig. 1 to 3, the floating foundation 100 includes a first pile foundation 101, a second pile foundation 102, and a third pile foundation 103, and the first pile foundation 101, the second pile foundation 102, and the third pile foundation 103 are connected by a truss structure 104 to form the floating foundation 100 having a triangular pyramid structure, so that the floating foundation 100 has good stability.
It should be understood that the present invention is not limited to the specific structural form of the truss structure 104, and in practical applications, the specific form of the truss structure 104 may be adaptively adjusted according to the mechanical performance requirement of the floating foundation 100, and the truss structure 104 that can meet the use requirement is within the scope of the present invention.
In addition, a supporting platform 105 for installing the wind power generator 200 is provided on the top of the floating foundation 100, so that the wind power generator 200 is installed on the supporting platform 105, and offshore wind energy is absorbed and generated by the wind power generator 200; the installation shaft 106 is provided at the bottom of the floating foundation 100 so that the hydro-generator 300 is installed at the installation shaft 106, and the hydro-generator 300 absorbs the hydraulic potential energy in the sea and generates electricity.
It should be understood that the wind turbine 200 may be disposed on the supporting platform 105 of the floating foundation 100 by bolting, riveting, or clamping, and the like, and any type that can meet the use requirement is within the scope of the present invention; similarly, the mounting shaft 106 may be directly welded to the floating foundation 100, or may be disposed at the bottom of the floating foundation 100 by means of screw connection, snap connection, or riveting, and any connection type that can meet the use requirement is within the scope of the present invention.
In addition, the specific number and distribution form of the wind power generator 200 and the hydroelectric power generator 300 are not limited, and the number and distribution form can meet the use requirement and are all within the protection scope of the present invention; alternatively, the number of the wind power generators 200 and the number of the water power generators 300 provided by the embodiment of the invention are respectively one.
Furthermore, the double-wind-wheel horizontal-shaft wind turbine is provided with a yaw system capable of enabling the wind wheel to align with the wind direction, so that the wind wheel of the double-wind-wheel horizontal-shaft wind turbine can align with the wind direction quickly and stably, more wind energy can be captured, the generating capacity of the double-power-generation-mode generator set is further improved, the generating cost of kilowatt is reduced, and the price of offshore wind power is reduced.
In addition, the invention also discloses an offshore wind power system which comprises the double-power-generation-mode generator set, so that all the technical effects of the double-power-generation-mode generator set are achieved, and the description is omitted.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A double-power-generation-mode generator set is characterized by comprising;
the floating foundation adopts a composite three-pile type supporting structure;
an anchor chain for fixing the floating foundation;
the tower drum of the wind driven generator is detachably mounted on the floating foundation; and
the hydraulic generator is arranged at the bottom of the floating foundation, a water wheel blade of the hydraulic generator is a lifting force type water wheel blade, the hydraulic generator is positioned under the sea water after the floating foundation is fixed at a preset position by the anchor chain, and the wind driven generator is positioned above the sea water.
2. A dual generation mode generator set according to claim 1, wherein the hydro generator is in rotational connection with the floating foundation.
3. The dual power generation mode generator set of claim 1, wherein the bottom of the floating foundation is provided with a mounting shaft for mounting the hydro-generator, and the hydro-generator is rotatably connected with the mounting shaft through a bearing.
4. A dual generation mode generator set according to claim 3, wherein the hydro generator is rotatable about the axis of the mounting shaft by 0-360 °.
5. A dual generation mode genset as claimed in claim 3 wherein the floating foundation comprises a first pile foundation, a second pile foundation and a third pile foundation connected by a truss structure to form a floating foundation in a triangular pyramid configuration.
6. A dual generation mode generator set according to claim 1, wherein the floating foundation is provided with a support platform on top for mounting the wind turbine, the mounting shaft being provided on the bottom of the floating foundation.
7. A dual generation mode wind generating set according to claim 1 wherein the wind generator is a dual wind wheel horizontal axis wind turbine.
8. A dual power generation mode generator set according to claim 7, wherein the dual wind wheel horizontal axis wind turbine is provided with a yaw system capable of aligning the wind wheels with the wind direction.
9. An offshore wind power system comprising a dual generation mode generator set according to any of claims 1 to 8.
CN202111615793.4A 2021-12-27 2021-12-27 Double-power-generation-mode generator set and offshore wind power system Withdrawn CN114508457A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111615793.4A CN114508457A (en) 2021-12-27 2021-12-27 Double-power-generation-mode generator set and offshore wind power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111615793.4A CN114508457A (en) 2021-12-27 2021-12-27 Double-power-generation-mode generator set and offshore wind power system

Publications (1)

Publication Number Publication Date
CN114508457A true CN114508457A (en) 2022-05-17

Family

ID=81548563

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111615793.4A Withdrawn CN114508457A (en) 2021-12-27 2021-12-27 Double-power-generation-mode generator set and offshore wind power system

Country Status (1)

Country Link
CN (1) CN114508457A (en)

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