CN207297237U - A kind of sea combined power generation device - Google Patents
A kind of sea combined power generation device Download PDFInfo
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- CN207297237U CN207297237U CN201721127516.8U CN201721127516U CN207297237U CN 207297237 U CN207297237 U CN 207297237U CN 201721127516 U CN201721127516 U CN 201721127516U CN 207297237 U CN207297237 U CN 207297237U
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- 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
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- 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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Abstract
A kind of sea combined power generation device, mainly includes Oversea wind power generation subsystem, marine tidal-current energy power generation sub-system, brace foundation system, electrical energy transportation system and control system.Wherein offshore wind power system selects more common trunnion axis pattern, and generator is mag-dynamo.Marine tidal-current energy power generation sub-system is to use to develop faster vertical axis pattern in recent years.Brace foundation system is single pile type foundation, and wind-power electricity generation subsystem shares a brace foundation stake with marine tidal-current energy power generation sub-system, supports the bottom of stake to go deep into seabed and fix.Control system plays the role of real-time communication and each subsystem work state of control.The electricity that electrical energy transportation system sends offshore wind generating and tidal current generator is delivered in power grid in the lump.The utility model fully excavates the marine resources of clean and effective, improves marine resources utilization rate, improves the Generation Rate of equipment, reduces construction, maintenance cost, prolongs the service life, and increases marine wind electric field economic benefit.
Description
Technical field
The utility model belongs to offshore wind farm and power generation with marine energy technical field, more particularly to a kind of marine cogeneration dress
Put.
Background technology
Over nearly more than 20 years, driven by fossil fuel energy crisis and environmental change pressure, renewable novel energy is complete
Ball is increasingly taken seriously.Implementing the development strategies such as marine resources development and regenerative resource, the exploitation of ocean energy in China
With using will be important component in China's future source of energy structure.China's offshore wind farm also begins to carry out large-scale project
During early period builds, offshore wind farm technology has started to find broad application, and future has very big development prospect.On the other hand in sea
Water channel between Wan Wankou, island has wide marine tidal-current energy development prospect and commercial value there is tide race movement.How
Various different spaces marine resources are fully efficiently utilized, construction, maintenance cost is reduced, is learnt from other's strong points to offset one's weaknesses using respective advantage, are improved
Generating capacity is problem urgently to be resolved hurrily at present.
Tidal current energy generating equipment is the device that trend kinetic energy is converted to electric energy, and horizontal shaft water-turbine is got over because of itself superiority
To be more valued by people.But there are many shortcomings for the perpendicular axis type tidal current energy generating equipment hydraulic turbine：First, startability is led to
It is often poor, it is necessary to assistant starting equipment, so that increasing design difficulty reduces energy utilization efficiency.On the other hand due to structure type
Determine, horizontal shaft water-turbine blade can be influenced be subject to cyclic load, accelerate power part aging, reduce making for blade and main shaft
Use the service life.And as a kind of ocean engineering, the seawater sealing problem of perpendicular axis type tidal current energy generating equipment generator is also subject to
People more and more pay close attention to.
The content of the invention
The shortcomings that in order to overcome the above-mentioned prior art, the purpose of this utility model is to provide a kind of marine cogeneration to fill
Put, make full use of marine resources space, share a set of brace foundation and electric energy transmission system, reduce development cost.Profit at the same time
Sent out with tidal current energy generating equipment is solved the characteristics of wind generator system itself nacelle design structure and wind-driven generator working characteristics
Motor seal and low torque are not easy the problem of self-starting.Influenced to reduce turbine blade be subject to cyclic load, design one
Kind flow apron new structure, and pass through the generating efficiency for ensureing marine tidal-current energy generating equipment equipped with yaw device.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of sea combined power generation device, including：
It is used for realization the Oversea wind power generation subsystem 1 of wind-power electricity generation；
It is used for realization the perpendicular axis type marine tidal-current energy power generation sub-system 2 of marine tidal-current energy power generation；
For the Oversea wind power generation subsystem 1 to be fixed on more than sea level and sends out the perpendicular axis type marine tidal-current energy
Electronic system 2 is fixed on the brace foundation system 3 of b.s.l.；
And for the Oversea wind power generation subsystem 1 and/or perpendicular axis type marine tidal-current energy power generation sub-system 2 to be sent out
Electricity be transported to electrical energy transportation system 4 in power grid.
The Oversea wind power generation subsystem 1 mainly includes blade 1-1, shaft 1-2, gear-box 1-3, one 1-4 of generator
With cabin 1-5；Wherein shaft 1-2, gear-box 1-3 and one 1-4 of generator are installed in cabin 1-5；Shaft 1-2 both ends connect leaf
Piece 1-1 and gear-box 1-3, gear-box 1-3 are connected with one 1-4 of generator, turn of wind energy on the sea powered belt movable vane piece 1-1 during work
It is dynamic, the rotating mechanical energy of blade 1-1 is transferred to by one 1-4 front ends rotation axis of generator by shaft 1-2 and gear-box 1-3, from
And driving one 1-4 of generator to generate electricity, institute's electricity is outwards conveyed by cable 4-3.
The perpendicular axis type marine tidal-current energy power generation sub-system 2 includes impeller 2-1, babinet 2-2, two 2-3 of generator and connection leaf
Take turns the shaft 2-4 of 2-1 and two 2-3 of generator；The babinet 2-2 is made of upper and lower, left and right, four flow aprons, and forward and backward two
Face is imported and exported for trend, is placed under water, shaft 2-4 is inside brace foundation 3 to Oversea wind power generation subsystem 1；Generator
Two 2-3 are installed in the cabin 1-5 of Oversea wind power generation subsystem 1, make two 2-3 working statuses of generator from exterior ocean ring
Border influences, and two 2-3 institute's electricities of generator are outwards conveyed by cable 4-3.
The impeller 2-1 is quaterfoil vertical-type, i.e. the rotation axis of impeller is vertical with water (flow) direction.
The one 1-4 output terminals of generator increase a power circuit being connected with two 2-3 of generator, pass through relay 1-
6 switching electric current conveying circuits at any time, to give two 2-3 of generator to provide instantaneous input current at any time.
The top of perpendicular axis type marine tidal-current energy power generation sub-system 2 is equipped with the direction of tide for the information for being used for obtaining trend flow direction
Sensor 2-5, top be equipped be used for obtain be provided with tidal current speed the sensor 2-6, shaft 2-4 of tidal current speed information for
Obtain and be provided with wheel speed the sensor 2-7, the babinet 2-2 of impeller 2-1 rotating speeds for changing the inclined of babinet 2-2 directions
Navigate device 2-8.
The brace foundation system 3 is single pile formula foundation structure, is fixed on sea bed.
The electrical energy transportation system 4 includes inverter 4-1, transformer 4-2 and cable 4-3, and wherein cable 4-3 is by the sea
The electric power that upper wind-force power generation sub-system 1 and perpendicular axis type marine tidal-current energy power generation sub-system 2 export is sent to the inverter 4-1 being attached thereto
Front end, inverter 4-1 and transformer 4-2 carry out electric current integration processing, and are delivered to power grid on the bank in the lump by submarine cable.
The utility model further includes：For controlling the control system 5 of cogeneration operation working status,
The control system 5 includes control unit 5-1, industrial personal computer 5-2, fast router 5-3, offshore wind turbine control on the bank
Block 5-4, marine tidal-current energy control card 5-5, environmental Kuznets Curves card 5-6, transformer switch control card 5-7 and relevant parameter sensor.
The control unit 5-1 on the bank, is connected, there is provided remote control commands with industrial personal computer 5-2；
The industrial personal computer 5-2, is connected with the 4th input/output of fast router 5-3, and receive information simultaneously provides control and refers to
Order；
The fast router 5-3, realizes communication function, its first input/output connects with offshore wind turbine control card 5-4
Connect, the second input/output connection is connected with marine tidal-current energy control card 5-5, and the 3rd input/output is connected with environmental Kuznets Curves card 5-6；
The offshore wind turbine control card 5-4, receive Oversea wind power generation subsystem 1 contains wind speed, generator speed, work(
The parameter information of rate is simultaneously reacted according to control strategy algorithm；
The marine tidal-current energy control card 5-5, receive perpendicular axis type marine tidal-current energy power generation sub-system 2 containing direction of tide, flow velocity,
The parameter information of blade rotational speed is simultaneously reacted according to control strategy algorithm；
The environmental Kuznets Curves card 5-6, is connected with transformer switch control card 5-7, receives surrounding enviroment information, and combine control
The start and stop of transformer 4-2 processed；
The offshore wind turbine control card 5-4 adjusts the operation of wind turbine according to wind speed, generator speed, power parameter information
Pattern, in optimal operational condition, to obtain highest capture rate, stable output power；Offshore wind turbine control card 5-4 connects at the same time
Environmental information in cabin 1-5 is received, monitors the working environment state in cabin 1-5；
The marine tidal-current energy control card 5-5 is contrasted with desired value according to direction of tide information, adjusts perpendicular axis type trend
The position of energy power generation sub-system babinet 2-2, makes more trends flow in impeller 2-1, so as to obtain the energy of maximum；Work as trend
Flow velocity is not zero and wheel speed when being zero, and the 1-6 actions of control relay, make the electric current that one 1-4 of generator is produced export to hair
Two 2-3 of motor, provides instantaneous starting electric current for it, is allowed to rotate；
When the environmental information that the environmental Kuznets Curves card 5-6 is received is determined as bad environments, then sending instruction drives transformer
Control card 5-7 action is closed, realizes the shutdown of whole system to be protected.
Compared with prior art, the beneficial effects of the utility model are：
Compared with prior art, the utility model employs a kind of new design structure, has driftage function, high-absorbility
Marine tidal-current energy conversion equipment, and employ sea-borne wind power generation apparatus and tidal current energy generating equipment combined generating system, have
Advantages below：
(1) sea-borne wind power generation apparatus and tidal current energy generating equipment as a set of overall power generator common support basis and
Electric energy changes conveying equipment, reduces fixed equipment input, reduces cost.Make full use of ocean different spaces energy resource shape at the same time
Formula, improves marine usage rate, improves installed capacity and the generated energy of unit area, increases economic benefit, and it is comprehensive to improve marine energy sources
Close exploitation ability.
(2) generator of marine tidal-current energy power generation sub-system is installed in wind generating set engine room, rationally utilizes device structure
Space, reduces marine tidal-current energy generator side seal difficulty, improves device security.
(3) wind-power electricity generation subsystem generator provides starting current for marine tidal-current energy power generation sub-system motor, fully rationally sharp
With existing electric energy, reduce ancillary equipment and use, reduce purchase and sale maintenance cost, improve tidal current energy generating equipment startability, improve
Startability, improves generated energy.
(4) new, high-absorbility marine tidal-current energy electrification structure form is compared with traditional marine tidal-current energy forms of electricity generation：Equipped with it is upper,
Under, it is left and right be furnished with deflector, accelerate trend flowing, improve trend S. E. A..Load fluctuation is reduced to hydraulic turbine leaf at the same time
Piece influences, and improves component service life, reduces maintenance cost.
(5) new, high-absorbility marine tidal-current energy electrification structure form is compared with traditional marine tidal-current energy forms of electricity generation：With yaw
Function, can adjust marine tidal-current energy power plant arrangement tank inlet direction, so as to improve the generating efficiency of equipment.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the utility model tidal current energy generating equipment schematic diagram.
Fig. 3 is the control system schematic diagram of the utility model combined power generation device.
Embodiment
Describe the embodiment of the utility model in detail with reference to the accompanying drawings and examples.
Referring to the drawings 1, the utility model sea combined power generation device, mainly includes Oversea wind power generation subsystem 1, vertical
Shaft type marine tidal-current energy power generation sub-system 2, brace foundation system 3, electrical energy transportation system 4, control system 5 five are most of.Oversea wind
Power generation sub-system 1 and perpendicular axis type marine tidal-current energy power generation sub-system 2 are fixed on both sides above and below sea level by brace foundation system 3,
Brace foundation system 3 is single pile formula base form.Electrical energy transportation system 4 sends offshore wind generating and tidal current generator
Electricity is transported in power grid in the lump after electrical equipment is changed.
Specifically, Oversea wind power generation subsystem 1 selects more common trunnion axis pattern, mainly include blade 1-1,
Shaft 1-2, gear-box 1-3, five parts of generator one 1-4 and cabin 1-5.Wherein shaft 1-2, gear-box 1-3, one 1- of generator
4 are placed in inside cabin 1-5, and blade 1-1 is connected with each component in cabin by shaft 1-2, transmit rotating mechanical energy to hair
One 1-4 front ends of motor, one 1-4 of generator is connected with cable 4-3 carries out electrical energy transportation.One 1-4 of generator generates electricity for Permanent magnet DC
Machine.
Referring to the drawings 2, perpendicular axis type marine tidal-current energy power generation sub-system 2 uses develops faster vertical axis pattern in recent years, main
To include impeller 2-1, babinet 2-2, tetra- parts of generator two 2-3 and shaft 2-4.Babinet 2-2 is by four pieces of upper and lower, left and right water conservancy diversion
Plate forms, and forward and backward two sides is imported and exported for trend, and shaft 2-4 upper and lower ends are connected with two 2-3 of impeller 2-1 and generator, and through branch
Support basic system 3.Two 2-3 of generator is installed in the cabin 1-5 of Oversea wind power generation subsystem 1, and is repeatedly kicked into cable 4-3 phases
Row electrical energy transportation.Two 2-3 of generator is mag-dynamo.
Further, one 1-4 output terminals of generator increase by one is connected power circuit with two 2-3 of generator, passes through relay
Device 1-6 switches electrical energy transportation circuit at any time.Brace foundation system 3 is single pile formula foundation structure, is fixed on seabed.Inverter 4-1
Integrated and handled with the transformer 4-2 electric energy sent to sea-borne wind power generation apparatus and tidal current energy generating equipment, pass through electricity
Electricity is transported on power grid by cable 4-3.
Further, perpendicular axis type marine tidal-current energy power generation sub-system 2 is equipped with direction of tide sensor 2-5, tidal current speed passes
Sensor 2-6, wheel speed sensor 2-7, for receiving relevant parameter information.Have the function of to make the yaw of body pivot to fill at the same time
Put 2-8.
With reference to Fig. 3, control system 5 contains control unit 5-1, industrial personal computer 5-2, fast router 5-3, sea turn on the bank
Machine control card 5-4, marine tidal-current energy control card 5-5, environmental Kuznets Curves card 5-6, transformer switch control card 5-7.Offshore wind turbine control card
5-4 is connected with the first input/output of fast router 5-3, the second input/output and marine tidal-current energy control of fast router 5-3
Fabrication 5-5 connections, the 3rd input/output of fast router 5-3 are connected with environmental Kuznets Curves card 5-6, and environmental Kuznets Curves card 5-6 is with becoming
The 5-7 connections of depressor switch control card, the 4th input/output of fast router 5-3 are connected with industrial personal computer 5-2, industrial personal computer 5-2 and
Control unit 5-1 connections on the bank.
The operation principle of the utility model is：
The blade 1-1 of offshore wind power system 1 blows lower rotation in sea wind, produces rotating mechanical energy.And pass through shaft
1-2 and gear-box 1-3 transfers its energy to one 1-4 of generator and drives its operating power generation.Control system can detect in operational process
Parameters information, and sending instruction makes wind power generating set be in optimum Working.At the same time, undersea can produce trend
Flowing, when trend flows through the impeller 2-1 of perpendicular axis type marine tidal-current energy power generation sub-system 2, impeller 2-1, which is rotated, produces rotating machinery
Can, two 2-3 of generator is transferred its energy to by shaft 2-4, two 2-3 of generator operatings is driven, mechanical energy is converted into electric energy
Output.When control system 5 receive tidal current speed be not zero and impeller not rotate (rotating speed zero) when, can send control letter
Number, relay 1-6 is acted, one 1-4 of the generator electric energy moments produced are exported to two 2-3 of generator, are provided instantaneously for it
Starting current, is allowed to rotate.At the same time when the trend flow direction that direction of tide sensor 2-5 is detected in real time has partially with babinet 2-2 entrances
During angle, control system 5 can go out to send instructions to allow yaw device 2-8 to work, and babinet 2-2 is deflected until being flowed to trend parallel
Untill, improve generated output.
The control strategy of Oversea wind power generation and marine tidal-current energy combined power generation device is as follows：Each Control card elects FPGA as
Real-time option board card, controlling cycle is short, the control process for signal input is completed in 4-10ms, calculating and exporting.Offshore wind turbine
Control card 5-4 receives wind speed, generator speed, power when parameter information, can adjust the operational mode of wind turbine, ensures wind turbine
In optimal operational condition.When marine tidal-current energy control card 5-5 receives the information of direction of tide sensor 2-5, meeting basis has surveyed tide
Stream flows to the position of information adjustment babinet 2-2, so as to obtain the energy of maximum, improves generating efficiency.And work as and detect trend
Flow velocity is not zero and wheel speed can act relay 1-6 when being zero, the electric energy that one 1-4 of generator is produced is exported to hair
Two 2-3 of motor, there is provided meet the electric current of two 2-3 entry conditions of generator.Environmental Kuznets Curves card 5-6 is connected reception with multiple sensors
The information of surrounding enviroment is simultaneously reacted.Instruction is sent when environment is extremely severe acts transformer switch control card 5-7, real
The shutdown and startup of existing whole system are with protective device.Fast router 5-3 passes through procotol and each control card and work
Control machine 2 and on the bank Central Control Room communicate, and complete the transmission of data and the transmission of control command.
The utility model fully excavates the marine resources of clean and effective, improves marine resources utilization rate, improves the hair of equipment
Electric rate, reduces construction, maintenance cost, prolongs the service life, and increases marine wind electric field economic benefit.
Claims (9)
- A kind of 1. sea combined power generation device, it is characterised in that including：It is used for realization the Oversea wind power generation subsystem (1) of wind-power electricity generation；It is used for realization the perpendicular axis type marine tidal-current energy power generation sub-system (2) of marine tidal-current energy power generation；For the Oversea wind power generation subsystem (1) to be fixed on more than sea level and the perpendicular axis type marine tidal-current energy generates electricity Subsystem (2) is fixed on the brace foundation system (3) of b.s.l.；And for the Oversea wind power generation subsystem (1) and/or perpendicular axis type marine tidal-current energy power generation sub-system (2) to be sent out Electricity be transported to electrical energy transportation system (4) in power grid.
- 2. marine combined power generation device according to claim 1, it is characterised in that the Oversea wind power generation subsystem (1) Mainly include blade (1-1), shaft (1-2), gear-box (1-3), generator one (1-4) and cabin (1-5)；Wherein shaft (1- 2), gear-box (1-3) and generator one (1-4) are installed in cabin (1-5)；Shaft (1-2) both ends connection blade (1-1) and tooth Roller box (1-3), gear-box (1-3) are connected with generator one (1-4), and wind energy on the sea powered belt movable vane piece (1-1) turns during work It is dynamic, the rotating mechanical energy of blade (1-1) is transferred to by generator one (1-4) front end by shaft (1-2) and gear-box (1-3) and is revolved Shaft, so as to drive generator one (1-4) to generate electricity, institute's electricity is outwards conveyed by cable (4-3).
- 3. marine combined power generation device according to claim 1, it is characterised in that the perpendicular axis type marine tidal-current energy power generation subsystem System (2) includes turn of impeller (2-1), babinet (2-2), generator two (2-3) and connection impeller (2-1) and generator two (2-3) Axis (2-4)；The babinet (2-2) is made of upper and lower, left and right, four flow aprons, and forward and backward two sides is imported and exported for trend, puts In underwater, shaft (2-4) is internal to Oversea wind power generation subsystem (1) through brace foundation (3)；Generator two (2-3) is installed At sea in the cabin (1-5) of wind-power electricity generation subsystem (1), make (2-3) working status of generator two from exterior marine environment Influence, generator two (2-3) institute's electricity is outwards conveyed by cable (4-3).
- 4. marine combined power generation device according to claim 3, it is characterised in that the impeller (2-1) is vertical for quaterfoil The rotation axis of type, i.e. impeller is vertical with water (flow) direction.
- 5. the marine combined power generation device according to Claims 2 or 3, it is characterised in that generator one (1-4) output terminal Increase a power circuit being connected with generator two (2-3), by relay (1-6) switching electric current conveying circuit at any time, with At any time instantaneous input current is provided to generator two (2-3).
- 6. marine combined power generation device according to claim 3, it is characterised in that the perpendicular axis type marine tidal-current energy power generation subsystem The direction of tide sensor (2-5) for the information for being used for obtaining trend flow direction is equipped with above system (2), top, which is equipped with, to be used for obtaining trend The tidal current speed sensor (2-6) of flow rate information, the impeller for obtaining impeller (2-1) rotating speed is provided with shaft (2-4) and is turned Fast sensor (2-7), the interior yaw device (2-8) being provided with for changing babinet (2-2) direction of the babinet (2-2).
- 7. marine combined power generation device according to claim 1, it is characterised in that the brace foundation system (3) is single pile Formula foundation structure, is fixed on sea bed.
- 8. marine combined power generation device according to claim 1, it is characterised in that the electrical energy transportation system (4) includes inverse Become device (4-1), transformer (4-2) and cable (4-3), wherein cable (4-3) by the Oversea wind power generation subsystem (1) and hangs down The electric power of diacytic type marine tidal-current energy power generation sub-system (2) output is sent to inverter (4-1) front end being attached thereto, inverter (4-1) Integration processing is carried out to electric current with transformer (4-2), and is delivered to power grid on the bank in the lump by submarine cable.
- 9. marine combined power generation device according to claim 1, it is characterised in that further include：For controlling cogeneration to transport The control system (5) of row working status,The control system (5) includes control unit (5-1), industrial personal computer (5-2), fast router (5-3), offshore wind turbine on the bank Control card (5-4), marine tidal-current energy control card (5-5), environmental Kuznets Curves card (5-6), transformer switch control card (5-7) and corresponding ginseng Number sensor.
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| CN201721127516.8U CN207297237U (en) | 2017-09-04 | 2017-09-04 | A kind of sea combined power generation device |
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| CN201721127516.8U CN207297237U (en) | 2017-09-04 | 2017-09-04 | A kind of sea combined power generation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542626A (en) * | 2017-09-04 | 2018-01-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of offshore wind farm and perpendicular axis type marine tidal-current energy combined power generation device |
| CN111828255A (en) * | 2019-04-16 | 2020-10-27 | 中国矿业大学(北京) | Weak wind collection power generation technology and device |
-
2017
- 2017-09-04 CN CN201721127516.8U patent/CN207297237U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542626A (en) * | 2017-09-04 | 2018-01-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of offshore wind farm and perpendicular axis type marine tidal-current energy combined power generation device |
| CN107542626B (en) * | 2017-09-04 | 2024-01-09 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power and vertical shaft type tidal current energy combined power generation device |
| CN111828255A (en) * | 2019-04-16 | 2020-10-27 | 中国矿业大学(北京) | Weak wind collection power generation technology and device |
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