CN110360055A - Mesolow air accumulation energy type offshore wind power system and its operation method - Google Patents
Mesolow air accumulation energy type offshore wind power system and its operation method Download PDFInfo
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- CN110360055A CN110360055A CN201910730122.9A CN201910730122A CN110360055A CN 110360055 A CN110360055 A CN 110360055A CN 201910730122 A CN201910730122 A CN 201910730122A CN 110360055 A CN110360055 A CN 110360055A
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- 238000009825 accumulation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 238000004146 energy storage Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000013535 sea water Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
-
- 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
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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
- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
-
- 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
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
-
- 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
- Y02E10/70—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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of mesolow air accumulation energy type offshore wind power system and its working methods, the system includes wind-driven generator, floatation type platform, fixed hawser, air turbine, air compressor, air compressor inlet/outlet pipeline, horizontal pipeline, underwater line, air bag, turbine inlet/outlet pipeline, shut-off valve and blower cable, by the way that air compressor and air turbine are arranged on raft, the technical solution of underwater gas storage air bag, it realizes and converts compressed gas energy for the dump energy that offshore wind farm generates, storage is into underwater air bag, when the electric energy that offshore wind farm generates is insufficient or can not produce electricl energy, air turbine acting is pushed with the compressed air in underwater air bag, electric energy is converted by air compression energy, electric energy is provided to power grid, make offshore wind farm unit itself that there is certain power regulation ability, it solves existing Offshore wind farm power swing is excessive and causes the problem of the impact to power grid；Cost is reduced using air bag simultaneously, and is not take up land space.
Description
Technical field
The present invention relates to the crossing domains of Oversea wind power generation and air energy storage technology, and in particular to a kind of mesolow air
Accumulation energy type offshore wind power system and its operation method.
Background technique
Offshore wind farm technology is a kind of advanced clean energy technology using wind energy on the sea, and wind energy on the sea has gross reserves
Greatly, the feature long using hourage, but influenced by marine fluctuations in wind speed, the power output of offshore wind farm is simultaneously unstable,
Therefore there are systematic impacts to power grid system for offshore wind farm.It is mismatched to solve offshore wind farm power output and power grid demand
Problem, marine wind electric field or power grid need to consider to be equipped with a certain proportion of hydroenergy storage station, air energy-accumulating power station or battery
Energy-accumulating power station.However, hydroenergy storage station needs that landform and water source is relied on to build；The energy density of air energy storage is low, so land
Gas storage volume needed for the gas energy storage power station of overhead is big, if too high using metal air accumulator cost, the general mine using exhaust gas is made
For the volume for storing air, therefore the construction of air energy-accumulating power station is there is also gas storage region is limited, and the pressure used when storage gas
When power reduces, turbine power output is unstable；Battery energy storage power station principle is simple, though not depending on landform, its technology itself is also
It is not mature enough, stable, not formed unified standard in industry, existing battery energy storage power station service life is shorter, construction cost is higher,
Severe accident easily occurs.If can be by compressed-air energy storage in conjunction with offshore wind farm unit, by compressed-air-storing in seawater
In, then the stability of offshore wind farm unit own power output can be improved, the output power of offshore wind farm unit is made to have one
Determine the regulating power of range, then can reduce impact of the offshore wind farm to power grid, reduces power grid to hydroenergy storage station, land sky
The construction and peak regulation demand of gas energy storage power station or battery energy storage power station.Currently, effective technical solution there is no to be able to achieve sea turn
Electrical power output carries out real-time power match and adjusting with power grid demand fluctuation.If a kind of technology can be developed, sea is realized
Upper Wind turbines itself have regulating power, utilize wind energy on the sea preferably.
Summary of the invention
The object of the invention is that providing a kind of mesolow air accumulation energy type Oversea wind to solve the above-mentioned problems
Electricity generation system and its operation method, the system have certain power regulation ability, can significantly reduce or eliminate existing sea turn
Electrical power fluctuates excessive and causes the impact to power grid.
The present invention through the following technical solutions to achieve the above objectives:
Mesolow air accumulation energy type offshore wind power system, including wind-driven generator 1, floatation type platform 2, fixed hawser
3, air turbine 4, air compressor inlet line 5, air compressor 6, air compressor outlet line 7, horizontal pipeline 8, water
Underground pipelines 9, air bag 10, turbine inlet line 11, turbine outlet line 12, air compressor outlet line shut-off valve 13, turbine
Inlet line shut-off valve 14 and blower cable 15, wherein wind-driven generator 1 is fixed on floatation type platform 2, floatation type platform 2
Hawser 3 is fixed by one or several and is fixed on a certain sea area, and one end of blower cable 15 is fixed on floatation type platform 2, empty
Gas turbine 4 and air compressor 6 are fixed on floatation type platform 2, air compressor inlet line 5 and air compressor outlet
Line 7 is connected with the inlet and outlet of air compressor 6 respectively, and air compressor outlet line shut-off valve 13 is located at air compressor
On outlet line 7, turbine inlet line 11 and turbine outlet line 12 are connected with the inlet and outlet of air turbine 4 respectively, thoroughly
Flat inlet line shut-off valve 14 is located in turbine inlet line 11, one end of air compressor outlet line 7 and turbine inlet tube
One end of line 11 is connected with one end of horizontal pipeline 8, and the other end of horizontal pipeline 8 is connected to underwater line 9, underwater line
9 are connected with the air bag 10 being fixed under seawater.
The air compressor inlet line 5 and turbine outlet line 12 are directly communicated with air.
The number of the air bag 10 is more than or equal to 1, and when the number of air bag 10 is greater than 1, connects each other between air bag 10
It is logical；The air bag 10 is fixed at a certain depth of water within 0 to 100 meter.
One end that the fixed hawser 3 is contacted with seabed is ship anchor structure or piling structure, pile sinking structure.
The electric energy that wind-driven generator 1 exports can be transmitted to power grid by blower cable 15 or be provided for air compressor 6 dynamic
Power, the electric energy that air turbine 4 exports can be transmitted to power grid by blower cable 15.
The operation method of the mesolow air accumulation energy type offshore wind power system, the mesolow air accumulation energy type
There are three processes for the course of work of offshore wind power system, respectively directly surf the Internet stage, energy storage stage and exoergic stage, institute
Stating the direct online stage refers to that the output power of mesolow air accumulation energy type offshore wind power system is power grid requirements
When 90% to 110%, air compressor outlet line shut-off valve 13 and turbine inlet line shut-off valve 14 are in close state, wind
The electric energy that power generator 1 exports all passes through blower cable 15 and is transmitted to power grid；The energy storage stage refers to that mesolow air stores up
When the output power of energy type offshore wind power system is 110% or more of power grid requirements, air compressor outlet line is closed
Disconnected valve 13 is in the open state, and turbine inlet line shut-off valve 14 is in close state, the electrical power that wind-driven generator 1 exports point
For two parts electrical power, first part is the electrical power equal with power grid requirements, and second part is to have more power grid requirements
Part electrical power, wherein first part's electrical power is transmitted to power grid by blower cable 15, and second part electrical power drives air
Compressor 6 converts electrical energy into compressed gas energy to air work, is stored in air bag 10；The exoergic stage refer in it is low
When the output power of air accumulation energy type offshore wind power system being pressed to be 90% or less power grid requirements, air compressor outlet
Pipeline shut-off valve 13 is in close state, and turbine inlet line shut-off valve 14 is in the open state, in underwater air bag 10
Compressed air pushes air turbine 4 to do work, and converts electric energy for air compression energy, the electric energy that air turbine 4 exports passes through blower
Cable 15, which is transmitted to the electric energy that power grid or air turbine 4 are exported with wind-driven generator 1 and all passes through blower cable 15, to be transmitted to
Power grid.
The beneficial effects of the present invention are:
Currently, there is not yet can be used for solving the mature technology side of offshore wind farm online electrical power fluctuation problems of too
Case.The invention proposes the high mesolow air accumulation energy type offshore wind power system of a kind of low cost, operability, the present invention
By air compressor and air turbine, water that the mesolow power grade of low cost is arranged on Wind turbines raft at sea
The technical solution of lower gas storage air bag may be implemented by air compressor to store the dump energy that offshore wind farm generates to compression
It in air, stores into underwater gas storage air bag, when the electric energy that offshore wind farm generates is insufficient or can not produce electricl energy, with underwater storage
Compressed air in gas air bag pushes air turbine acting, converts electric energy for air compression energy, provides electric energy to power grid, passes through
Such scheme realizes that offshore wind farm unit itself has certain power regulation ability, can significantly reduce or eliminate existing sea turn
Electrical power fluctuates excessive and causes the impact to power grid.The present invention is replaced expensive using the underwater air bag scheme of lower cost
Metal tank, reduce costs and do not benefit from the limitation of land space, have the characteristics that the service life is long, flexibility is high.
Detailed description of the invention
Fig. 1 is the schematic diagram of mesolow air accumulation energy type offshore wind power system of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, mesolow air accumulation energy type offshore wind power system, including wind-driven generator 1, floatation type platform
2, fixed hawser 3, air turbine 4, air compressor inlet line 5, air compressor 6, air compressor outlet line 7, water
Flat pipeline 8, underwater line 9, air bag 10, turbine inlet line 11, turbine outlet line 12, the shutdown of air compressor outlet line
Valve 13, turbine inlet line shut-off valve 14 and blower cable 15, wherein wind-driven generator 1 is fixed on floatation type platform 2, floating
Formula platform 2 fixes hawser 3 by one or several and is fixed on a certain sea area, and it is flat that one end of blower cable 15 is fixed on floatation type
Platform 2, air turbine 4 and air compressor 6 are fixed on floatation type platform 2, air compressor inlet line 5 and air compressor
Outlet line 7 is connected with the inlet and outlet of air compressor 6 respectively, and air compressor outlet line shut-off valve 13 is located at air
On compressor outlet pipeline 7, turbine inlet line 11 and turbine outlet line 12 respectively with the inlet and outlet phase of air turbine 4
Even, turbine inlet line shut-off valve 14 is located in turbine inlet line 11, one end of air compressor outlet line 7 and turbine into
One end of mouth pipeline 11 is connected with one end of horizontal pipeline 8, and the other end of horizontal pipeline 8 is connected to underwater line 9, under water
Pipeline 9 is connected with the air bag 10 being fixed under seawater.
As the preferred embodiment of the present invention, the air compressor inlet line 5 and turbine outlet line 12 with
Air directly communicates.
As the preferred embodiment of the present invention, the number of the air bag 10 is more than or equal to 1, and when the number of air bag 10 is big
When 1, it is connected to each other between air bag 10；The air bag 10 is fixed at a certain depth of water within 0 to 100 meter.
As the preferred embodiment of the present invention, one end that the fixed hawser 3 is contacted with seabed is ship anchor structure or beats
Pilework, pile sinking structure.
As the preferred embodiment of the present invention, the electric energy that wind-driven generator 1 exports can be transmitted to by blower cable 15
Power grid provides power for air compressor 6, and the electric energy that air turbine 4 exports can be transmitted to power grid by blower cable 15.
The operation method of the mesolow air accumulation energy type offshore wind power system, the mesolow air accumulation energy type
Mainly there are three the stages for the course of work of offshore wind power system, respectively directly surf the Internet stage, energy storage stage and exoergic rank
Section, the direct online stage refer to that the output power of mesolow air accumulation energy type offshore wind power system is power grid requirements
90% to 110% when, air compressor outlet line shut-off valve 13 and turbine inlet line shut-off valve 14 are in close state,
The electric energy that wind-driven generator 1 exports all passes through blower cable 15 and is transmitted to power grid；The energy storage stage refers to mesolow air
When the output power of accumulation energy type offshore wind power system is 110% or more of power grid requirements, air compressor outlet line
Shut-off valve 13 is in the open state, and turbine inlet line shut-off valve 14 is in close state, the electrical power that wind-driven generator 1 exports
It is divided into two parts electrical power, first part is the electrical power equal with power grid requirements, and second part is to have more power grid requirements
Part electrical power, wherein first part's electrical power is transmitted to power grid by blower cable 15, and second part electrical power drives empty
Air compressor 6 converts electrical energy into compressed gas energy to air work, is stored in air bag 10；During the exoergic stage refers to
When the output power of low-pressure air accumulation energy type offshore wind power system is 90% or less power grid requirements, air compressor goes out
Mouth pipeline shut-off valve 13 is in close state, and turbine inlet line shut-off valve 14 is in the open state, in underwater air bag 10
Compressed air push air turbine 4 to do work, convert electric energy for air compression energy, the electric energy that air turbine 4 exports passes through wind
Electric cable 15 is transmitted to power grid or air turbine 4 and the electric energy of the output of wind-driven generator 1 all passes through the transmission of blower cable 15
To power grid.
Claims (6)
1. mesolow air accumulation energy type offshore wind power system, it is characterised in that: flat including wind-driven generator (1), floatation type
Platform (2), fixed hawser (3), air turbine (4), air compressor inlet line (5), air compressor (6), air compressor
Outlet line (7), horizontal pipeline (8), underwater line (9), air bag (10), turbine inlet line (11), turbine outlet line
(12), air compressor outlet line shut-off valve (13), turbine inlet line shut-off valve (14) and blower cable (15), wherein
Wind-driven generator (1) is fixed on floatation type platform (2), and floatation type platform (2) fixes hawser (3) admittedly by one or several
It is scheduled on a certain sea area, one end of blower cable (15) is fixed on floatation type platform (2), air turbine (4) and air compressor (6)
Be fixed on floatation type platform (2), air compressor inlet line (5) and air compressor outlet line (7) respectively with air
The inlet and outlet of compressor (6) is connected, and air compressor outlet line shut-off valve (13) is located at air compressor outlet line
(7) on, turbine inlet line (11) and turbine outlet line (12) are connected with the inlet and outlet of air turbine (4) respectively, thoroughly
Flat inlet line shut-off valve (14) is located on turbine inlet line (11), one end of air compressor outlet line (7) and turbine
One end of inlet line (11) is connected with one end of horizontal pipeline (8), the other end and underwater line of horizontal pipeline (8)
(9) it is connected to, underwater line (9) is connected with the air bag (10) being fixed under seawater.
2. mesolow air accumulation energy type offshore wind power system according to claim 1, it is characterised in that: the air
Compressor inlet pipeline (5) and turbine outlet line (12) are directly communicated with air.
3. mesolow air accumulation energy type offshore wind power system according to claim 1, it is characterised in that: the air bag
(10) number is more than or equal to 1, and when the number of air bag (10) is greater than 1, air bag is connected to each other between (10)；The air bag
(10) it is fixed at a certain depth of water within 0 to 100 meter.
4. mesolow air accumulation energy type offshore wind power system according to claim 1, it is characterised in that: the fixation
One end that hawser (3) is contacted with seabed is ship anchor structure or piling structure, pile sinking structure.
5. mesolow air accumulation energy type offshore wind power system according to claim 1, it is characterised in that: wind-power electricity generation
The electric energy of machine (1) output is transmitted to power grid by blower cable (15) or provides power, air turbine for air compressor (6)
(4) electric energy exported is transmitted to power grid by blower cable (15).
6. the operation method of mesolow air accumulation energy type offshore wind power system described in any one of claim 1 to 5, special
Sign is: the course of work of the mesolow air accumulation energy type offshore wind power system there are three the stage, respectively directly on
Net stage, energy storage stage and exoergic stage, the direct online stage refer to mesolow air accumulation energy type Oversea wind power generation system
When the output power of system is the 90% to 110% of power grid requirements, air compressor outlet line shut-off valve (13) and turbine into
Mouth pipeline shut-off valve (14) is in close state, and the electric energy of wind-driven generator (1) output all passes through blower cable (15) transmission
To power grid；The energy storage stage refers to that the output power of mesolow air accumulation energy type offshore wind power system is power grid requirements
110% or more when, air compressor outlet line shut-off valve (13) is in the open state, turbine inlet line shut-off valve (14)
It is in close state, the electrical power of wind-driven generator (1) output is divided into two parts electrical power, and first part is and power grid requirements
Equal electrical power, second part are the part electrical power for having more power grid requirements, and wherein first part's electrical power passes through blower
Cable (15) is transmitted to power grid, and second part electrical power band engine-driven air compressor (6) converts electrical energy into compression to air work
Gas energy is stored in air bag (10)；The exoergic stage refers to the defeated of mesolow air accumulation energy type offshore wind power system
When power is 90% or less power grid requirements out, air compressor outlet line shut-off valve (13) is in close state, turbine
Inlet line shut-off valve (14) is in the open state, pushes air turbine (4) to do with the compressed air in underwater air bag (10)
Air compression energy is converted electric energy by function, and the electric energy of air turbine (4) output is transmitted to power grid by blower cable (15), or
Person's air turbine (4) and the electric energy of wind-driven generator (1) output all pass through blower cable (15) and are transmitted to power grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910730122.9A CN110360055A (en) | 2019-08-08 | 2019-08-08 | Mesolow air accumulation energy type offshore wind power system and its operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730122.9A CN110360055A (en) | 2019-08-08 | 2019-08-08 | Mesolow air accumulation energy type offshore wind power system and its operation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657067A (en) * | 2019-11-14 | 2020-01-07 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN111498036A (en) * | 2020-05-28 | 2020-08-07 | 华能灌云清洁能源发电有限责任公司 | Offshore floating wind turbine generator with energy storage device and electric energy consumption method |
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| CN107893735A (en) * | 2017-11-07 | 2018-04-10 | 西安交通大学 | A kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy |
| US9951753B1 (en) * | 2016-05-19 | 2018-04-24 | The United States Of America As Represented By The Secretary Of The Navy | Systems and methods for offshore electrical energy generation |
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| CN110657067B (en) * | 2019-11-14 | 2024-03-15 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN111498036A (en) * | 2020-05-28 | 2020-08-07 | 华能灌云清洁能源发电有限责任公司 | Offshore floating wind turbine generator with energy storage device and electric energy consumption method |
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