CN116816603A - Offshore wind power system based on breakwater - Google Patents
Offshore wind power system based on breakwater Download PDFInfo
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- CN116816603A CN116816603A CN202310791713.3A CN202310791713A CN116816603A CN 116816603 A CN116816603 A CN 116816603A CN 202310791713 A CN202310791713 A CN 202310791713A CN 116816603 A CN116816603 A CN 116816603A
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- offshore wind
- breakwater
- wind power
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- 239000004575 stone Substances 0.000 claims abstract description 52
- 238000012512 characterization method Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- F03D9/20—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
- F03D9/257—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor the wind motor being part of a wind farm
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a breakwater-based offshore wind power system, which comprises: breakwater, harbor basin, first stone protection, second stone protection, a plurality of offshore wind turbines and cables; the harbor basin set up in the first side of first stone protection, the first side of breakwater set up in the second side of first stone protection, the first side of second stone protection set up in the second side of breakwater, a plurality of marine wind turbine sets up in the second side of second stone protection, every marine wind turbine set passes through the cable interconnect. The offshore wind turbine generator is arranged in the sea area outside the breakwater, and the range of the relatively safe sea area adjacent to the breakwater is fully utilized, so that the newly increased sea area required by the offshore wind power station is greatly reduced. Compared with the offshore wind power project with the same capacity, the offshore wind power system can reduce a large amount of sea-characterization area, save precious ocean resources, reduce the influence on the offshore navigation of the surrounding sea area and improve the navigation safety of ships.
Description
Technical Field
The invention relates to the field of offshore wind power, in particular to an offshore wind power system based on a breakwater.
Background
Offshore wind power refers to a power generation type in which wind power generation sets are arranged in open water areas in the ocean, and sites are located below average high tide lines of large tides for many years and can be divided into a near-sea wind power plant and an open-sea wind power plant according to water depths and offshore distances, and an inter-tidal zone wind power plant, a shallow sea wind power plant and a deep sea wind power plant. Offshore wind power has a higher wind speed and a more stable power output than land wind power and is therefore considered to be a more efficient and sustainable source of energy.
Since the offshore wind farm is located in an open water area, its arrangement is affected by many factors such as airlines (lines), anchor grounds, ports, protection areas, currents, military and bird migration, etc., especially with large-scale construction of offshore wind power, the arrangement of incremental sites is severely restricted by factors related to offshore traffic, and there is an urgent need for arrangement and construction of offshore wind power in some relatively safe areas.
Thus, there is a need for a special offshore wind power system based on which the problem of difficult offshore wind power deployment is solved.
Disclosure of Invention
The embodiment of the invention provides a breakwater-based offshore wind power system for solving the problem of difficult offshore wind power arrangement.
In order to solve the above problems, an embodiment of the present invention provides an offshore wind power system based on a breakwater, comprising: breakwater, harbor basin, first stone protection, second stone protection, a plurality of offshore wind turbines and cables;
the harbor basin is arranged on the first side of the first stone protection, the first side of the breakwater is arranged on the second side of the first stone protection, the first side of the second stone protection is arranged on the second side of the breakwater, a plurality of offshore wind turbines are arranged on the second side of the second stone protection, and each offshore wind turbine is connected with each other through the cable; the offshore wind turbine generator system and the second stone protector keep a preset distance.
As an improvement of the above, the cable is disposed above the second stone guard.
As an improvement of the above scheme, the method further comprises: a land centralized control center; the land centralized control center is connected with the plurality of offshore wind turbines through the cables respectively.
As an improvement of the above scheme, the arrangement method of each offshore wind turbine generator set includes:
determining the construction center coordinates and the fan sea-characterization area of each offshore wind turbine according to the physical parameters of each offshore wind turbine and the coast outside the second stone protection;
determining the construction distance between every two offshore wind turbines according to the physical parameters of each offshore wind turbine, the physical parameters of the second stone protector, the number of the offshore wind turbines and regional wind resource parameters;
and obtaining a fan arrangement scheme according to the construction center coordinates, the fan characteristic sea area and the construction distance between every two offshore wind turbines, so that a user can construct an offshore fan according to the fan arrangement scheme.
As an improvement of the above, the cable includes: submarine communication cables and submarine power cables.
From the above, the invention has the following beneficial effects:
the invention provides a breakwater-based offshore wind power system, which comprises: breakwater, harbor basin, first stone protection, second stone protection, a plurality of offshore wind turbines and cables; the harbor basin set up in the first side of first stone protection, the first side of breakwater set up in the second side of first stone protection, the first side of second stone protection set up in the second side of breakwater, a plurality of marine wind turbine sets up in the second side of second stone protection, every marine wind turbine set passes through the cable interconnect. By arranging the offshore wind turbine generator outside the breakwater of the harbor basin, wind energy generated in a non-harbor basin area of the breakwater can be utilized to generate power, so that the wind turbine generator is arranged in the direction of vertically leading wind direction, and the arrangement principle of the wind turbine generator is met. And because the offshore wind turbine is arranged on the outer side of the breakwater, when the offshore wind turbine rotates to face the harbor pool along with the wind direction, the interference to the sea surface of the harbor pool can be avoided, and the function of the harbor pool is maintained. Meanwhile, the offshore wind turbine generator is arranged in the sea area along the outer edge of the breakwater, the relatively safe sea area range of the breakwater and the sea characterization range of the breakwater are fully utilized, and therefore the newly increased sea characterization area required by the offshore wind power station is greatly reduced. Compared with the common offshore wind power project with the same capacity, the offshore wind power system can reduce a large amount of sea-characterization area, save precious ocean resources, reduce the influence on the offshore navigation of the surrounding sea area and improve the navigation safety of ships.
Furthermore, the offshore wind turbine system related by the invention does not need to carry out building transformation on the breakwater, does not have any influence on the structure of the breakwater, can be suitable for the breakwater which is not built in the design stage, can be suitable for the breakwater which is built, can carry out offshore wind turbine arrangement on the breakwater which is in different construction time points, greatly increases the arrangement flexibility of the offshore wind turbine system, and also ensures that the function of the breakwater is not influenced by an offshore wind turbine generator.
In the offshore wind turbine system, the arranged wind turbine generator is a certain distance away from the breakwater and the harbor, so that the interference to the function use in the harbor is avoided.
Further, the cable is arranged on the stone guard in the sea boundary for the breakwater, so that the convenience of laying, overhauling and maintaining of the submarine cable is improved, and the occupied area of the offshore wind turbine generator is reduced.
Drawings
FIG. 1 is a schematic diagram of a breakwater-based offshore wind power system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a breakwater-based offshore wind power system according to another embodiment of the present invention;
FIG. 3 is a plan view of a breakwater and offshore wind turbine provided in an embodiment of the invention;
FIG. 4 is a schematic diagram of sea area saved by an offshore wind turbine and cable according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of a breakwater-based offshore wind power system according to an embodiment of the present invention, including: breakwater 101, harbor basin 102, first stone 103, second stone 104, a number of offshore wind turbines 105 and cables 106;
the harbor basin is arranged on the first side of the first stone protection, the first side of the breakwater is arranged on the second side of the first stone protection, the first side of the second stone protection is arranged on the second side of the breakwater, a plurality of offshore wind turbines are arranged on the second side of the second stone protection, and each offshore wind turbine is connected with each other through the cable; the offshore wind turbine generator system and the second stone protector keep a preset distance.
In a specific embodiment, the breakwater comprises: a dike body and a box body structure; the embankment body is located above the sea surface, and the box body structure is located below the sea surface.
In a specific embodiment, please refer to fig. 2 for a better illustration of the structure of the offshore wind power system.
In a specific embodiment, whether a harbor basin and breakwater engineering is newly built or established, the functional sea scope conflicted with industry and traffic construction engineering is basically cleared due to the harbor basin construction requirement of the harbor basin and the nearby sea area, and the marine wind turbine generator is arranged in the scope, so that the confliction and coordination of sea sides related to peripheral benefits can be greatly reduced, the related planning of ocean functional regions and the like of the region is more met, and the compliance and rationality of the sea for the project are improved.
As an improvement of the above, the cable is disposed above the second stone guard.
In a specific embodiment, the offshore wind turbines are arranged close to the outside of the breakwater estuary, avoiding the breakwater foundation and its stone protection maintenance structure. And arranging a current collection submarine cable between the offshore wind turbines by utilizing the area between the breakwater foundation and the offshore wind turbines. Because the offshore wind turbines are in close proximity to land, the cables between the offshore wind turbines also serve as the outgoing submarine cables. Because the stone protection belongs to the sea area of the breakwater, the cable does not need to increase the sea area newly, and the sea-harnessing cost of the whole cable is saved.
It will be appreciated that the construction of the harbor and breakwater forms a natural barrier and reminder for the voyage of surrounding vessels, and also has a fixed course and range for vessels entering the harbor, forcing the vessels entering the harbor to be unable to navigate as freely as when voyage in open sea, and instead requiring a reduced voyage speed, entering a given channel and thus stopping at the dock in the harbor (see fig. 3 for a specific design distribution). The offshore wind turbine generator is arranged close to the outer side of the breakwater, and the arrangement scheme fully utilizes the relatively safe and independent sea area formed by constructing a harbor pool and the breakwater: 1) For a non-harbor ship, the navigation of the ship is inevitably far away from the region due to the existence of a harbor pool and a breakwater; 2) The ship entering and exiting the harbor basin is positioned on the inner side of the breakwater, and the navigation speed is reduced, the warning is improved and the ship sails in a fixed channel because of the requirement of entering the harbor basin. Thus, the offshore wind power arranged in this way has a significantly reduced impact on offshore navigation.
As an improvement of the above scheme, the method further comprises: a land-based centralized control center 107; the land centralized control center is connected with the plurality of offshore wind turbines through the cables respectively.
As an improvement of the above scheme, the arrangement method of each offshore wind turbine generator set includes:
determining the construction center coordinates and the fan sea-characterization area of each offshore wind turbine according to the physical parameters of each offshore wind turbine and the coast outside the second stone protection;
determining the construction distance between every two offshore wind turbines according to the physical parameters of each offshore wind turbine, the physical parameters of the second stone protector, the number of the offshore wind turbines and regional wind resource parameters;
and obtaining a fan arrangement scheme according to the construction center coordinates, the fan characteristic sea area and the construction distance between every two offshore wind turbines, so that a user can construct an offshore fan according to the fan arrangement scheme.
In a specific embodiment, the offshore wind turbine generator is arranged along the outer side of the breakwater, so that the dominant wind direction and the generated wind energy in the area can be fully utilized, the arrangement of the wind turbines perpendicular to the dominant wind direction is facilitated, and the wind turbine generator meets the wind turbine arrangement principle. The fans which are arranged in a single row perpendicular to the dominant wind power can be arranged by utilizing the length of the breakwater to the maximum extent, so that wake flow loss between the fans is effectively reduced, and the power generation efficiency of the fans is improved.
In a specific embodiment, according to the sea calculation principle and specification, the sea wind power is arranged close to the outer side of the breakwater structure, so that the sea weight area of the fan foundation can be reduced by about half. The submarine cable arranged on the protecting stone structure at the bottom of the breakwater is basically completely positioned in the sea area of the breakwater, and does not need to increase any sea area for the seabed. The offshore wind power arranged by the scheme is close to the harbor pool, so that a newly built offshore booster station is basically not needed, and the sea occupation of the booster station is reduced. According to the offshore wind power project arranged by the scheme, the occupation of ocean resources is greatly reduced, and the principles of gathering and saving the sea are truly realized.
In a specific embodiment, please refer to fig. 4, as shown in fig. 4, the gray-hatched area is the sea-level area of the fan according to the present invention, and the thick black circle center in the circle is the construction center coordinate according to the present invention: the diameter of the fan is 10m, and after the fan is expanded by 50 according to the standard sea-characteristic range, the sea-characteristic range is a circle of 55 m. The sea-characterizing range of the breakwater is 50m on each side of the central line, and it can be seen that a 55m fan circle is overlapped with one side close to the breakwater, and the sea-characterizing range is the sea-characterizing range for the breakwater, and the fan is not required to be newly increased, and only the area of a shadow area is required to be newly increased. The area is reduced by about half. According to the standard submarine cable sea-characterization range of 10m on both sides, after the submarine cable is arranged on a protecting stone, the sea-characterization range of the submarine cable is completely within the sea range for the breakwater, no new sea is needed, and almost 0 new sea is needed.
As an improvement of the above, the cable includes: submarine communication cables and submarine power cables.
In one embodiment, the type and functionality of large estuaries serve the needs of different industries and infrastructure construction. There are many harbors built in various kinds of power plants, petrochemical projects, industrial parks and transportation hubs. The offshore wind power is arranged outside the breakwater to directly provide clean green energy for the project, so that the electricity demand of the project is partially or completely solved, and the project is consumed in situ. The offshore wind power is arranged on the breakwater of the harbor basin of the coastal power plant, the green energy can be bound with stable thermal power or nuclear power for delivery, the influence of wind energy on the load of a power grid is reduced, the grid-connected stability of the offshore wind power is improved, and the green and safe clean energy is realized.
The embodiment comprises the following steps: breakwater, harbor basin, first stone protection, second stone protection, a plurality of offshore wind turbines and cables; the harbor basin set up in the first side of first stone protection, the first side of breakwater set up in the second side of first stone protection, the first side of second stone protection set up in the second side of breakwater, a plurality of marine wind turbine sets up in the second side of second stone protection, every marine wind turbine set passes through the cable interconnect. The sea area of the offshore wind farm is greatly reduced. Compared with the common offshore wind power project with the same capacity, the arrangement scheme can reduce the sea-haracterizing area by 80 percent, and save precious ocean resources. Meanwhile, the sea-related range of the offshore wind farm is greatly reduced. Based on the general standard that the sea-related range of 10 kilowatt installed capacity is not more than 16 square kilometers specified by the industry, the arrangement scheme can reduce the sea-related area by about 90 percent, and greatly reduces the influence on the surrounding marine environment. The embodiment is beneficial to combining port load distributed power supply or binding with thermal power for delivery, and the stability of the offshore wind power integrated into a power grid is improved.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (5)
1. An offshore wind power system based on a breakwater, comprising: breakwater, harbor basin, first stone protection, second stone protection, a plurality of offshore wind turbines and cables;
the harbor basin is arranged on the first side of the first stone protection, the first side of the breakwater is arranged on the second side of the first stone protection, the first side of the second stone protection is arranged on the second side of the breakwater, a plurality of offshore wind turbines are arranged on the second side of the second stone protection, and each offshore wind turbine is connected with each other through the cable; the offshore wind turbine generator system and the second stone protector keep a preset distance.
2. The breakwater-based offshore wind power system of claim 1, wherein the cable is disposed above the second bead.
3. The breakwater-based offshore wind power system of claim 1, further comprising: a land centralized control center; the land centralized control center is connected with the plurality of offshore wind turbines through the cables respectively.
4. The breakwater-based offshore wind power system according to claim 1, wherein the arrangement method of each of the offshore wind turbines comprises:
determining the construction center coordinates and the fan sea-characterization area of each offshore wind turbine according to the physical parameters of each offshore wind turbine and the coast outside the second stone protection;
determining the construction distance between every two offshore wind turbines according to the physical parameters of each offshore wind turbine, the physical parameters of the second stone protector, the number of the offshore wind turbines and regional wind resource parameters;
and obtaining a fan arrangement scheme according to the construction center coordinates, the fan characteristic sea area and the construction distance between every two offshore wind turbines, so that a user can construct an offshore fan according to the fan arrangement scheme.
5. The breakwater-based offshore wind power system of claim 1, wherein the cable comprises: submarine communication cables and submarine power cables.
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