CN212659890U - Offshore booster station and offshore wind farm - Google Patents
Offshore booster station and offshore wind farm Download PDFInfo
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- CN212659890U CN212659890U CN202021202939.3U CN202021202939U CN212659890U CN 212659890 U CN212659890 U CN 212659890U CN 202021202939 U CN202021202939 U CN 202021202939U CN 212659890 U CN212659890 U CN 212659890U
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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
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model relates to a wind power generation technical field, concretely relates to offshore booster station, offshore wind farm. An offshore booster station comprising: the wind power generation system comprises a first type of wind generation set and a plurality of boosting modules arranged on the first type of wind generation set. The utility model provides a marine booster station adopts the marine booster station of modularization, and the electrical equipment modularized design, the equipment that will realize different functions on the booster station, and then form a plurality of boost modules, install the boost module again on first type wind turbine generator system to wind turbine generator system is as the load-bearing platform of boost module, compares the design mode of single marine booster station in prior art, has saved the design of steel construction class platform. The wind turbine generator and the offshore booster station are integrally designed, so that the offshore installation space and the construction time are saved, the efficient utilization of resources is realized, and the construction cost of the offshore booster station is reduced.
Description
Technical Field
The utility model relates to a wind power generation technical field, concretely relates to offshore booster station, offshore wind farm.
Background
With the strong support of the country for new energy, the offshore wind power as a representative of new energy has also gained rapid development. At present, the installed capacity of offshore wind power in China accounts for 20% of the total installed capacity of offshore wind power in the world, and in the future, the accumulated installed capacity of offshore wind power tends to increase rapidly. As the installed capacity of offshore wind power becomes larger, the offshore distance of a wind power plant becomes farther and farther, and an offshore booster station is necessary.
However, with the further increase of the total installed capacity of a single offshore wind farm, a large offshore booster station begins to appear, a single offshore booster station platform adopts a plurality of main transformers and a plurality of return lines, and as more devices need to be accommodated, the size of the booster station is larger and larger, the weight of the booster station exceeds 1500 tons, the cost is high, the installation is complex, and the commercial process of the offshore wind farm is not facilitated.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art along with the increase of the total installed capacity of single marine wind farm, defect that single marine booster station is with high costs to a marine booster station, marine wind farm are provided.
In order to solve the above problem, the utility model provides a marine booster station includes: the wind power generation system comprises a first type of wind power generation set and a plurality of boosting modules arranged on the first type of wind power generation set.
Further, the first type of wind turbine generator set comprises a bearing foundation and a tower drum arranged on the bearing foundation, a carrying platform is arranged on the periphery of the tower drum, and the plurality of boosting modules are arranged on the carrying platform.
Further, the first type of wind generation set further comprises a booster and a switch cabinet arranged corresponding to the booster.
Further, the booster and the switch cabinet are both arranged in the tower.
Further, the first type of wind turbine generator further comprises a fan arranged at the end of the tower, and the booster is arranged in a cabin of the fan.
Further, the booster is a 35KV or 66KV booster.
Further, the boosting module comprises a main transformer, a main switch cabinet and a 220KV GIS.
Furthermore, plug terminals are arranged on the main transformer, the main switch cabinet and the 220KV GIS.
The utility model also provides an offshore wind farm, comprising at least one offshore booster station of any one of the above; and the second type wind generation sets are in communication connection with the offshore booster station.
Further, the second type of wind turbine generator is an offshore wind turbine generator without a boosting module.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a marine booster station adopts the marine booster station of modularization, and the electrical equipment modularized design, the equipment that will realize different functions on the booster station, and then form a plurality of boost modules, install the boost module again on first type wind turbine generator system to wind turbine generator system is as the load-bearing platform of boost module, compares the design mode of single marine booster station in prior art, has saved the design of steel construction class platform. The wind turbine generator and the offshore booster station are integrally designed, so that the offshore installation space and the construction time are saved, the efficient utilization of resources is realized, and the construction cost of the offshore booster station is reduced.
2. The utility model provides a marine booster station's first type wind turbine generator system is including accepting the basis and setting up the tower section of thick bamboo on accepting the basis, is provided with the microscope carrier in the periphery of a tower section of thick bamboo, and a plurality of boost module settings are on the microscope carrier. Firstly, the booster station and the wind turbine generator can share the bearing foundation, and the construction cost of the bearing foundation when the marine booster station is independently designed is saved. Simultaneously directly on the basis of current wind turbine generator system increase the microscope carrier on the tower section of thick bamboo periphery the size can to satisfy the installation of the module that steps up, utilized current structure, the change design is little, and the suitability is strong. The existing fan assembly can be properly transformed to be upgraded to the offshore booster station, the construction efficiency is further improved, the construction cost and the transformation cost are both low, and the method is suitable for commercial design.
3. The utility model provides a booster and the cubical switchboard of the first type wind turbine generator of marine booster station all set up in a tower section of thick bamboo, can play the effect of protection to booster and cubical switchboard, realize the rational utilization in space on the first type wind turbine generator simultaneously.
4. The utility model provides a main transformer among marine booster station is provided with plug terminal on main switch cabinet and the 220KV GIS, when each module of stepping up connects, can realize main transformer through the simple grafting of plug terminal, the electric intercommunication between main switch cabinet and the 220KV GIS, easy operation is convenient, has improved the efficiency of equipment and the convenience of later maintenance.
5. The utility model also provides an offshore wind farm, marine booster station in the aforesaid adopts the marine booster station in the aforesaid, with its and the integrated design of wind turbine generator system, marine booster station can directly set up in the place that a plurality of second type wind turbine generators formed, has shortened the distance of marine booster station to second type wind turbine generator system, has reduced the use amount of marine cable between the two, and then has reduced the construction cost of marine wind farm.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an offshore booster station according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an offshore wind farm in embodiment 2 provided by the present invention.
Description of reference numerals:
1-a first type wind turbine; 11-carrying foundation; 12-a tower drum; 13-a stage; 14-a voltage booster; 15-a switch cabinet; 16-a fan;
2-a boost module; 21-a main transformer; 22-main switchgear; 23-220 KV GIS;
3-a second type wind turbine;
4-a cable;
5-an onshore booster station;
a-offshore booster station.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, the offshore booster station provided for this embodiment includes a first type wind turbine generator 1 and a plurality of booster modules 2 disposed on the first type wind turbine generator 1.
The existing offshore booster station and the wind turbine generators are separately arranged, and the wind turbine generators are connected to the offshore booster station through sea cables to realize voltage processing.
In this embodiment, the existing offshore booster station is firstly designed in a modular manner, specifically, the electrical equipment of the existing offshore booster station is divided into different areas according to functions, and is designed in a standardized manner, and the existing offshore booster station mainly includes a booster module 2, wherein the booster module 2 includes a main transformer 21 and is mainly responsible for boosting 35KV or 66KV to 220 KV. The main switch cabinet 22 is provided corresponding to the main transformer 21, and is disposed at 220KVGIS on the high-voltage side.
Each boosting module 2 is pre-produced in a factory, each boosting module is directly assembled and molded in the factory, cables are connected among different boosting modules for debugging, and the debugged boosting modules 2 are directly transported to the sea for splicing.
In order to further improve the assembly efficiency and the convenience of the later maintenance, the main transformer 21, the main switch cabinets 22 and the 220KV GIS are provided with plug terminals, and the plug terminals are electrically connected with each other through the matching plug of the terminals.
Of course, in other embodiments, the above-mentioned connection manner may also adopt a wireless connection to achieve communication between each other.
The offshore booster station of course also comprises ventilation modules, fire extinguishing modules, reactor modules, etc., which are not listed here.
Therefore, the offshore booster station in the embodiment adopts the modularized offshore booster station, electrical equipment with different functions is modularly designed and assembled on the booster station, a plurality of booster modules 2 are further formed, the booster modules 2 are installed on the first-class wind turbine generator set 1, the wind turbine generator set is used as a bearing platform of the booster modules 2, and compared with the design mode of a single offshore booster station in the prior art, the design of a steel structure platform is saved. The wind turbine generator and the offshore booster station are integrally designed, so that the offshore installation space and the construction time are saved, the efficient utilization of resources is realized, and the construction cost of the offshore booster station is reduced.
In addition, the first-type wind turbine generator 1 in the embodiment is formed by improving on the basis of a traditional wind turbine generator, so that the boosting modules 2 are conveniently installed.
As shown in fig. 1, the first type of wind turbine generator 1 includes a receiving foundation 11, and the receiving foundation 11 is a single pile foundation for installation of an original wind turbine generator, and may be a multi-pile foundation. The construction and installation of the single-pile foundation or the multi-pile foundation is the same as the installation of the existing wind turbine generator set, and the construction and installation are not explained herein. In this embodiment, a tower 12 on a receiving base 11 is provided, a stage 13 is mounted on the outer periphery of the tower 12, and the booster module 2 is mounted on the stage 13. The carrier 13 is a steel structure platform arranged around the tower 12, and a corresponding mounting station is designed on the carrier to mount the booster module 2. The design firstly ensures that the booster station and the wind turbine generator can share the bearing foundation 11, and saves the construction cost of bearing the foundation 11 when the marine booster station is independently designed. The size of the carrying platform on the periphery of the tower barrel 12 is directly increased on the basis of the existing wind generating set, so that the boosting module 2 is mounted, the existing structure is utilized, the modification design is small, the applicability is high, the existing fan assembly can be properly modified, the offshore boosting station can be upgraded, the construction efficiency is further improved, the construction cost and the modification cost are both low, and the offshore boosting station is suitable for commercial design.
The carrier 13 shown in fig. 1 is a single-layer carrier, and multiple layers of carriers can be arranged along the height direction of the tower 12 according to the requirement of actual generated power, so as to implement installation of more booster modules 2.
In other embodiments, the boost module 2 may be directly mounted on the outer circumferential wall of the tower 12 by increasing the strength of the tower 12, such as increasing the thickness and the diameter of the tower.
Further, the first type wind turbine generator 1 in the present embodiment further includes a booster 14 and a switch cabinet 15 provided in correspondence with the booster 14. Wherein the booster 14 and the switch cabinet 15 are both disposed within the tower 12. The booster 14 is typically a 35KV or 66KV booster, and a 66KV booster is used in the present embodiment.
The first type of wind turbine 1 further comprises a wind turbine 16 arranged at the end of the tower 12, and in other embodiments the booster 14 is arranged in the nacelle of the wind turbine 16, so that the design can make more reasonable use of the inner space of the first type of wind turbine.
Example 2
As shown in fig. 2, the offshore wind farm provided for this embodiment includes: two offshore booster stations a in the above embodiment 1; and a plurality of second type wind power generation sets 3 which are in communication connection with the offshore booster station A.
The embodiment provides a 500MW offshore wind power implementation project, which needs to be provided with two offshore booster stations A. During implementation, two second-type wind turbines are selected for special design and transformed into the first-type wind turbine 1, and the offshore booster station and the wind turbines share the carrying foundation and the carrying platform. The capacity of each offshore booster station A is 250MW, a 35kV or 66kV switch cabinet is configured on each offshore booster station A, 35kV or 66kV is boosted to be a 220kV main transformer, and a 220kV GIS is configured on a high-voltage side. The second type of wind generation sets 3 form a line network through cables 4 and are connected with the offshore booster station A. During working, the second type wind turbine generator 3 is boosted to 35kV or 66kV from low voltage, wherein each 35kV or 66kV cable is connected with a plurality of 6 MW-10 MW wind turbine generators, is connected to a 35kV or 66kV switch cabinet of the offshore boosting station through a plurality of 35kV or 66kV cables, is boosted to 220kV through an offshore main transformer 21, and is conveyed to the onshore boosting station 5 through a 220kV conveying line. Thereby completing the entire boosting process. Wherein the second type wind turbine generator 3 is an offshore wind turbine generator without a boost module, so as to save the reconstruction cost.
Therefore, in the embodiment, the offshore booster station and the wind turbine generator are integrally designed, the offshore booster station can be directly arranged in a field formed by the second wind turbine generators, the distance from the offshore booster station to the second wind turbine generators is shortened, the using amount of offshore cables between the offshore booster station and the second wind turbine generators is reduced, and the construction cost of an offshore wind farm is further reduced.
Of course, in other embodiments, the number of the above-mentioned offshore booster stations may also be one, three, etc., which may be self-adjusted according to the power generated.
Of course, in some other embodiments, all of the second type wind turbines 3 may be replaced by the first type wind turbine 1, so as to facilitate unified management of the components.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. An offshore booster station, comprising: the wind power generation system comprises a first type of wind generation set (1) and a plurality of boosting modules (2) arranged on the first type of wind generation set (1);
the first type of wind turbine generator set (1) comprises a bearing foundation (11) and a tower drum (12) arranged on the bearing foundation (11), a carrying platform (13) is arranged on the periphery of the tower drum (12), and the plurality of boosting modules (2) are arranged on the carrying platform (13).
2. Offshore booster station according to claim 1, characterized in that the first type of wind turbine (1) further comprises a booster (14) and a switchgear cabinet (15) arranged in correspondence of the booster (14).
3. Offshore booster station according to claim 2, characterized in that the booster (14) and the switchgear cabinet (15) are both arranged within the tower (12).
4. Offshore booster station according to claim 2, characterized in that the wind turbine of the first type (1) further comprises a wind turbine (16) arranged at the end of the tower (12), the booster (14) being arranged inside the nacelle of the wind turbine (16).
5. Offshore booster station according to any of the claims 2-4, characterized in that the booster (14) is a 35KV or 66KV booster.
6. Marine booster station according to claim 5, characterized in that the booster module (2) comprises a main transformer (21), a main switchgear cabinet (22) and a 220KV GIS (23).
7. Offshore booster station according to claim 6, characterized in that plug-in terminals are provided on the main transformer (21), the main switchgear cabinet (22) and the 220KV GIS (23).
8. An offshore wind farm, comprising:
at least one offshore booster station according to any one of claims 1 to 7;
and a plurality of second type wind power generation sets (3) which are in communication connection with the offshore booster station.
9. Offshore wind farm according to claim 8, characterized in that said second type of wind turbines (3) are offshore wind turbines not provided with a booster module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202939.3U CN212659890U (en) | 2020-06-24 | 2020-06-24 | Offshore booster station and offshore wind farm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202939.3U CN212659890U (en) | 2020-06-24 | 2020-06-24 | Offshore booster station and offshore wind farm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212659890U true CN212659890U (en) | 2021-03-05 |
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ID=74759578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021202939.3U Active CN212659890U (en) | 2020-06-24 | 2020-06-24 | Offshore booster station and offshore wind farm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212659890U (en) |
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2020
- 2020-06-24 CN CN202021202939.3U patent/CN212659890U/en active Active
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