CN116280049A - Floating type offshore power transmission device - Google Patents
Floating type offshore power transmission device Download PDFInfo
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- CN116280049A CN116280049A CN202310126282.9A CN202310126282A CN116280049A CN 116280049 A CN116280049 A CN 116280049A CN 202310126282 A CN202310126282 A CN 202310126282A CN 116280049 A CN116280049 A CN 116280049A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 124
- 238000007667 floating Methods 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000004873 anchoring Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 7
- 239000013535 sea water Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/24—Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a floating type offshore power transmission device, which comprises a power transmission tower structure and a floating support structure arranged below the power transmission tower structure; the floating support structure comprises a mooring positioning component and at least one upright post arranged below the power transmission tower structure; the upright post comprises a buoyancy tank and a ballast tank arranged below the buoyancy tank; one end of the mooring positioning component is connected with the upright post, and the other end of the mooring positioning component is arranged on the sea bottom; the buoyancy chamber is internally provided with a gas accommodating cavity, and the ballast chamber is internally provided with a liquid accommodating cavity; the power transmission tower structure is arranged above the sea surface under the floating force of the buoyancy cabin. According to the invention, at least one upright post is arranged below the power transmission tower structure, the upright post comprises the buoyancy cabin with the gas accommodating cavity, gas exists in the buoyancy cabin to generate buoyancy balanced with the gravity of the whole device, so that the floating support structure can float on the sea surface, the risk of contacting the sea bed due to the lowering of the sea surface is reduced, and meanwhile, the power transmission tower structure can be ensured to be always positioned above the sea surface under the floating force of the buoyancy cabin.
Description
Technical Field
The invention relates to the technical field of offshore power transmission, in particular to a floating offshore power transmission device.
Background
The offshore wind power resource is one of high-quality new energy resources, and has important significance for low-carbon transformation of electric power. At present, the offshore wind power industry in China is developing from offshore to deep open sea, and how to transmit the electric energy generated by the wind driven generator in the deep open sea scene back to the land power system is a problem which has to be considered. Submarine cables are the most commonly used mode for offshore power transmission at present, but the difficulty of laying and constructing submarine cables is high, and the technology is complex. Therefore, in a long-distance power transmission scheme in a deep open sea scene, a high-voltage alternating-current overhead power transmission mode with mature technology is more suitable.
In the prior art, a floating structure is generally arranged below a transmission tower to meet the construction requirement of the transmission tower on the sea, the existing floating structure is positioned at a position which is equal to a position fixed on sea water in a suspending manner, when the transmission tower is lifted up at sea level, the transmission tower can be immersed deeper and deeper, even completely submerged by the sea water, the transmission reliability is greatly influenced, when the transmission tower is lowered down at sea level, the whole floating structure can be lowered, and if the depth of the sea area is smaller, the floating structure can be in direct contact with the sea bed, so that the transmission tower is damaged due to acting force.
Disclosure of Invention
The invention provides a floating type offshore power transmission device, at least one upright post is arranged below a power transmission tower structure, the upright post comprises a buoyancy cabin with a gas accommodating cavity, gas exists in the buoyancy cabin to generate buoyancy balanced with the gravity of the whole device, a floating support structure is ensured to float on the sea surface, the risk of contacting the sea bed due to the lowering of the sea level is reduced, and meanwhile, the power transmission tower structure is ensured to be always positioned above the sea surface due to the buoyancy of the buoyancy cabin, so that the power transmission tower structure is prevented from being soaked in sea water.
In order to solve the technical problems, the embodiment of the invention provides a floating type offshore power transmission device, which comprises a power transmission tower structure and a floating support structure arranged below the power transmission tower structure;
the floating support structure comprises a mooring positioning component and at least one upright post arranged below the power transmission tower structure;
the upright post comprises a buoyancy cabin and a ballast cabin arranged below the buoyancy cabin;
one end of the mooring positioning component is connected with the upright post, and the other end of the mooring positioning component is arranged on the sea bottom;
the buoyancy chamber is internally provided with a gas accommodating cavity, and the ballast chamber is internally provided with a liquid accommodating cavity; the power transmission tower structure is arranged above the sea surface under the floating force of the buoyancy cabin.
Preferably, the floating support structure further comprises a support platform;
the supporting platform is arranged below the power transmission tower structure; at least one upright post is arranged at the bottom of the supporting platform.
As a preferable scheme, the bottom of the supporting platform is provided with a plurality of upright posts;
the mooring positioning component is connected to the bottom of the upright post;
the buoyancy cabin is arranged on one side, close to the supporting platform, in the upright post, and the ballast cabin is arranged on one side, close to the mooring positioning assembly, in the upright post.
Preferably, the bottom of the supporting platform is provided with one upright post;
the upright post further comprises a connecting part arranged between the buoyancy tank and the ballast tank;
the buoyancy cabin is arranged at the bottom of the supporting platform, one end of the connecting part is connected to the bottom of the buoyancy cabin, and the ballast cabin is connected to the other end of the connecting part;
one end of the mooring positioning component is connected to the outer wall of the connecting part.
Preferably, the floating support structure further comprises a plurality of stay bars and a water treading plate;
the supporting rods are connected among the upright posts;
the bottom of each upright post is provided with the water treading plate;
the mooring positioning assembly is connected to the bottom of the water treading plate.
Preferably, the mooring positioning assembly comprises a plurality of mooring lines and anchors;
one end of each mooring line is connected with the upright post, and the other end of each mooring line is connected with the anchoring piece; the anchoring member is arranged on the sea floor.
Preferably, the mooring line is connected between the column and the anchor by a catenary or taut mooring.
As a preferable scheme, the power transmission tower structure comprises a power transmission tower body, a ground wire cross arm for supporting an overhead ground wire and a plurality of wire cross arms for supporting a three-phase overhead power transmission line;
the ground wire cross arm is arranged at the top of the power transmission tower body;
the wire cross arms are arranged on the side wall of the power transmission tower body;
at least one upright post is arranged below the power transmission tower body.
As a preferable scheme, the power transmission tower body comprises a tower head part, a tower body part and a tower foot part;
the ground wire cross arm is arranged at the top of the tower head;
the wire cross arms are arranged on the same side of the side wall of the tower body part or are distributed on the side walls of the two opposite sides of the tower body part;
at least one upright post is arranged below the tower foot part.
Preferably, the upright post is cylindrical or square.
Compared with the prior art, the embodiment of the invention has the beneficial effects that at least one upright post is arranged below the power transmission tower structure, the upright post comprises the buoyancy cabin with the gas accommodating cavity, gas exists in the buoyancy cabin to generate buoyancy balanced with the gravity of the whole device, the floating support structure is ensured to float on the sea surface, the risk of contacting the sea bed due to the lowering of the sea level is reduced, and meanwhile, the power transmission tower structure is ensured to be always positioned above the sea surface due to the buoyancy of the buoyancy cabin, so that the power transmission tower structure is prevented from being soaked in the sea water.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a floating offshore power transmission device provided by the present invention;
FIG. 2 is a cross-sectional view of the post of FIG. 1;
fig. 3 is a schematic structural view of another preferred embodiment of the floating offshore power transfer device provided by the present invention;
fig. 4 is a schematic structural view of a floating offshore transmission device employing a tension mooring in an embodiment of the present invention;
fig. 5 is a schematic structural view of a floating offshore transmission device employing a multi-crossarm structure in an embodiment of the present invention;
wherein, 1, stand column; 101 buoyancy tanks; 102. a ballast tank; 103. a connection part; 2. a support platform; 3. a brace rod; 4. treading the water plate; 5. a mooring line; 6. an anchor; 7. a ground wire cross arm; 8. a wire cross arm; 9. a tower head; 10. a tower body part; 11. a tower foot.
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.
Referring to fig. 1 to 5, an embodiment of the present invention provides a floating offshore power transmission device, including a power transmission tower structure and a floating support structure disposed below the power transmission tower structure;
the floating support structure comprises a mooring positioning component and at least one upright post 1 arranged below the power transmission tower structure;
the upright 1 comprises a buoyancy tank 101 and a ballast tank 102 arranged below the buoyancy tank 101;
one end of the mooring positioning component is connected with the upright post 1, and the other end of the mooring positioning component is arranged on the sea bottom;
the buoyancy tank 101 is provided with a gas accommodating cavity, and the ballast tank 102 is provided with a liquid accommodating cavity; the transmission tower structure is arranged above the sea surface under the floating force of the buoyancy chamber 101.
It is worth to say that, the power transmission tower structure of this embodiment adopts overhead transmission mode in order to solve the long distance power transmission's of offshore wind farm problem under the deep open sea scene, and compared with submarine cable transmission mode, this embodiment can show the reduction in construction degree of difficulty.
Specifically, the floating type offshore power transmission device provided by the embodiment comprises a power transmission tower structure and a floating support structure arranged below the power transmission tower structure, wherein the power transmission tower structure is used for realizing offshore overhead power transmission, and the floating support structure is used for ensuring that the power transmission tower structure is always above a sea level, so that power transmission reliability is ensured.
Further, the floating support structure comprises a mooring positioning assembly and at least one column 1 arranged below the transmission tower structure, the column 1 comprising a buoyancy compartment 101 with a gas receiving cavity and a ballast compartment 102 with a liquid receiving cavity. By filling gas into the gas accommodating cavity of the buoyancy chamber 101 to generate buoyancy balanced with the gravity of the whole device, the floating support structure can be ensured to float on the sea surface, and the power transmission tower structure can be ensured to be positioned above the sea surface. By filling the liquid-containing chamber of ballast tank 102 with a liquid, such as sea water, the center of gravity of the floating support structure can be adjusted to ensure that the overall structure of the device remains stable against capsizing. One end of the mooring positioning component is connected with the upright post 1, and the other end of the mooring positioning component is arranged on the sea bottom, so that the positioning function of the whole device can be achieved.
Preferably, the floating support structure further comprises a support platform 2;
the supporting platform 2 is arranged below the power transmission tower structure; at least one upright 1 is arranged at the bottom of the supporting platform 2.
It is worth to be noted that, the floating support structure in this embodiment further includes a support platform 2, and the support platform 2 is disposed below the power transmission tower structure, so that the installation stability of the power transmission tower structure can be effectively improved, and thus the reliability of power transmission can be improved.
As a preferable scheme, the bottom of the supporting platform 2 is provided with a plurality of upright posts 1;
the mooring positioning component is connected to the bottom of the upright 1;
the buoyancy tank 101 is arranged on one side, close to the supporting platform 2, of the upright column 1, and the ballast tank 102 is arranged on one side, close to the mooring positioning component, of the upright column 1.
It should be noted that, the floating support structure in this embodiment adopts a semi-submersible floating structure, and a plurality of columns 1 are disposed at the bottom of the support platform 2, as shown in fig. 1. Each column 1 has a hollow interior and can be divided into a buoyancy tank 101 for providing buoyancy to the floating support structure and a ballast tank 102 for ballast, as shown in fig. 2.
As one of the preferred embodiments, the cross section of the supporting platform 2 is rectangular, then four upright posts 1 are arranged at the bottom of the supporting platform 2, and the four upright posts 1 are respectively close to four end points at the bottom of the supporting platform 2, so that the stability of the floating supporting structure can be improved, and the reliability of power transmission can be improved.
Preferably, the bottom of the supporting platform 2 is provided with one upright 1;
the column 1 further comprises a connection 103 between the buoyancy tank 101 and the ballast tank 102;
the buoyancy tank 101 is arranged at the bottom of the support platform 2, one end of the connecting part 103 is connected to the bottom of the buoyancy tank 101, and the ballast tank 102 is connected to the other end of the connecting part 103;
one end of the mooring positioning member is connected to the outer wall of the connecting portion 103.
It should be noted that, in this embodiment, the floating support structure adopts a single-column 1 floating structure, a column 1 is disposed at the bottom of the support platform 2, as shown in fig. 3, the column 1 further includes a connection portion 103 disposed between the buoyancy tank 101 and the ballast tank 102, the buoyancy tank 101 is disposed at the upper portion of the column 1 and is disposed at the bottom of the support platform 2, and plays a supporting role on the support platform 2 and the transmission tower structure, and gas exists in the buoyancy tank 101, whose water displacement is greater than the total weight of the whole floating support structure and other responsible components, so that the floating support structure can float on the sea surface, and the ballast tank 102 is disposed at the lower portion of the column 1, so as to adjust the gravity center for the floating support structure, so that the whole structure of the device remains stable and does not topple.
As an alternative embodiment, the connecting portion 103 located in the middle of the column 1 has one end rigidly connected to the buoyancy tank 101 and the other end rigidly connected to the ballast tank 102.
As one preferred embodiment, the upright 1 is disposed at the center of the bottom of the supporting platform 2, that is, the supporting platform 2 and the upright 1 are coaxially disposed, so that stability of the floating supporting structure can be improved, and further, reliability of power transmission can be improved.
Preferably, the floating support structure further comprises a plurality of stay bars 3 and a water treading plate 4;
the stay bars 3 are connected among the upright posts 1;
the bottom of each upright post 1 is provided with the water treading plate 4;
the mooring locating member is connected to the bottom of the water treading plate 4.
It should be noted that, in this embodiment, the stability of the floating support structure can be further improved by connecting the stay bars 3 between the plurality of columns 1, and in addition, the number of the stay bars 3 connected between the different columns 1 may be one or more, which is not particularly limited herein.
Further, by providing the water treading plate 4 at the bottom of each upright 1, heave movement of the floating support structure in the sea can be reduced to some extent, and thus the power transmission reliability can be improved.
Preferably, the mooring positioning assembly comprises a plurality of mooring lines 5 and anchors 6;
one end of each mooring line 5 is connected with the upright 1, and the other end of each mooring line 5 is connected with the anchor 6; the anchor 6 is arranged on the sea floor.
Specifically, since the anchor 6 is fixedly disposed on the sea floor, and one end of the mooring line 5 connected to the anchor 6 is connected to the column 1, the floating support structure can be prevented from deviating from a preset position by the cooperation of the plurality of mooring lines 5 and the anchor 6, thereby functioning as a positioning, and at the same time, the mooring line 5 can provide a restoring force by its own weight.
Preferably, the mooring lines 5 are connected between the columns 1 and the anchors 6 by means of catenary mooring or tension mooring.
It is worth noting that the mooring lines 5 of the present embodiment are connected between the columns 1 and the anchors 6 by different mooring means for deepwater sea areas of different depths. As shown in fig. 1, 3 and 5, the mooring line 5 adopts a catenary mooring mode, and the catenary mooring structure is usually a steel chain (also called an anchor chain) structure and is formed by connecting a plurality of links, so that the mooring line is suitable for a deepwater sea area below 1000 m; as shown in fig. 4, the mooring line 5 adopts a tension mooring mode, the tension mooring structure is generally composed of steel cables at the upper end and the lower end and a synthetic fiber cable in the middle, and elastic elongation of the mooring line 5 provides restoring force, so that compared with a catenary mooring mode, the tension mooring mode has better effect of reducing the longitudinal, transverse and heave of the floating support structure, occupies smaller space on the seabed, and is suitable for a deepwater sea area of more than 1000 m.
It should be noted that vertical, horizontal and heave are motions in all directions and up and down directions of the offshore floating structure due to the combined influence of various acting forces.
As a preferable scheme, the power transmission tower structure comprises a power transmission tower body, a ground wire cross arm 7 for supporting an overhead ground wire and a plurality of wire cross arms 8 for supporting a three-phase overhead power transmission line;
the ground wire cross arm 7 is arranged at the top of the power transmission tower body;
the wire cross arms 8 are arranged on the side wall of the power transmission tower body;
at least one upright post 1 is arranged below the power transmission tower body.
It should be noted that the cross arm is an important support on the transmission tower for supporting the overhead transmission line, and includes a ground wire cross arm 7 and a wire cross arm 8, wherein the wire cross arm 8 is used for supporting the overhead transmission line, and the ground wire cross arm 7 is used for supporting the overhead ground wire (lightning conductor). Overhead transmission conductors are conductors in the power system that conduct current, connecting power stations, substations, load points in different areas, and transporting or exchanging electrical energy. The overhead ground wire (lightning conductor) is a lightning-induced conductor installed to protect equipment from lightning strike, and is supported by the ground cross arm 7.
In this embodiment, the wire cross arm 8 is used to support a three-phase overhead transmission line, that is, in this embodiment, three-phase ac overhead transmission is used to perform offshore transmission. The overhead transmission mode comprises direct current overhead transmission and alternating current overhead transmission, wherein the direct current overhead transmission mode is used for transmitting direct current, two transmission lines are generally used for transmitting positive and negative poles, the alternating current overhead transmission mode is used for transmitting alternating current, and three transmission lines are generally used for transmitting three. Compared with a direct-current overhead transmission mode, the alternating-current overhead transmission mode has the advantages of more flexible grid structure, more convenient power distribution, mature application, complete equipment, economy in general, and the like, and is more suitable for offshore long-distance transmission.
As a preferable scheme, the power transmission tower body comprises a tower head 9, a tower body 10 and a tower foot 11;
the ground wire cross arm 7 is arranged at the top of the tower head 9;
the wire cross arms 8 are arranged on the same side of the side wall of the tower body 10 or are distributed on the side walls of the two opposite sides of the tower body 10;
at least one upright 1 is arranged below the tower foot 11.
Specifically, as shown in fig. 1, 3 and 4, the power transmission tower body includes a tower head 9, a tower body 10 and a tower foot 11, the ground wire cross arm 7 is disposed at the top of the tower head 9, and the two wire cross arms 8 are respectively disposed on side walls of two opposite sides of the tower body 10, so that the power transmission tower structure is a "dry" tower structure, and may also be an "up" tower structure, a "door" tower structure, a "V" tower structure, etc., according to actual power transmission requirements, and the embodiment is not limited herein. In addition, the plurality of wire cross arms 8 can be disposed not only on the side walls of the opposite sides of the tower body 10, but also on the side walls of the tower body 10 on the same side. In addition, the number of the wire cross arms 8 is not particularly limited, and the same-tower multi-loop technology can be realized by adopting a multi-cross arm structure, as shown in fig. 5, so that the space of a power transmission corridor is saved, the power transmission cost is reduced, and the power transmission reliability is improved.
Preferably, the upright 1 has a cylindrical shape or a square column shape.
According to the floating type offshore power transmission device provided by the embodiment of the invention, at least one upright post is arranged below the power transmission tower structure, the upright post comprises the buoyancy cabin with the gas accommodating cavity, gas exists in the buoyancy cabin to generate buoyancy balanced with the gravity of the whole device, the floating support structure is ensured to float on the sea surface, the risk of contacting the sea bed due to the lowering of the sea level is reduced, and meanwhile, the power transmission tower structure is ensured to be always positioned above the sea surface due to the buoyancy of the buoyancy cabin, so that the power transmission tower structure is prevented from being soaked in sea water.
In addition, the three-phase alternating current overhead transmission mode is adopted, so that the problems of high transmission cost, high transmission submarine cable laying construction difficulty, complex technology and the like of the traditional submarine cable are solved, the alternating current overhead transmission mode which is better in applicability, more mature in technology, lower in cost and simpler in maintenance is adopted, the offshore transmission cost can be greatly reduced, and the offshore transmission efficiency 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 (10)
1. The floating type offshore power transmission device is characterized by comprising a power transmission tower structure and a floating support structure arranged below the power transmission tower structure;
the floating support structure comprises a mooring positioning component and at least one upright post arranged below the power transmission tower structure;
the upright post comprises a buoyancy cabin and a ballast cabin arranged below the buoyancy cabin;
one end of the mooring positioning component is connected with the upright post, and the other end of the mooring positioning component is arranged on the sea bottom;
the buoyancy chamber is internally provided with a gas accommodating cavity, and the ballast chamber is internally provided with a liquid accommodating cavity; the power transmission tower structure is arranged above the sea surface under the floating force of the buoyancy cabin.
2. The floating offshore power transfer device of claim 1, wherein the floating support structure further comprises a support platform;
the supporting platform is arranged below the power transmission tower structure; at least one upright post is arranged at the bottom of the supporting platform.
3. The floating offshore power transmission device of claim 2, wherein the bottom of the support platform is provided with a plurality of upright posts;
the mooring positioning component is connected to the bottom of the upright post;
the buoyancy cabin is arranged on one side, close to the supporting platform, in the upright post, and the ballast cabin is arranged on one side, close to the mooring positioning assembly, in the upright post.
4. The floating offshore power transfer device of claim 2 wherein the bottom of the support platform is provided with one of the posts;
the upright post further comprises a connecting part arranged between the buoyancy tank and the ballast tank;
the buoyancy cabin is arranged at the bottom of the supporting platform, one end of the connecting part is connected to the bottom of the buoyancy cabin, and the ballast cabin is connected to the other end of the connecting part;
one end of the mooring positioning component is connected to the outer wall of the connecting part.
5. A floating offshore power transfer device as claimed in claim 3, wherein the floating support structure further comprises a plurality of struts and a water treading plate;
the supporting rods are connected among the upright posts;
the bottom of each upright post is provided with the water treading plate;
the mooring positioning assembly is connected to the bottom of the water treading plate.
6. A floating offshore power transfer device as claimed in any one of claims 1 to 5, wherein the mooring locator assembly comprises a plurality of mooring lines and anchors;
one end of each mooring line is connected with the upright post, and the other end of each mooring line is connected with the anchoring piece; the anchoring member is arranged on the sea floor.
7. The floating offshore power transfer apparatus of claim 6 wherein the mooring line is connected between the column and the anchor by catenary mooring or taut mooring.
8. The floating offshore power transmission device of claim 1 wherein the power transmission tower structure comprises a power transmission tower body, a ground wire cross arm for supporting an overhead ground wire, and a plurality of wire cross arms for supporting a three-phase overhead power transmission line;
the ground wire cross arm is arranged at the top of the power transmission tower body;
the wire cross arms are arranged on the side wall of the power transmission tower body;
at least one upright post is arranged below the power transmission tower body.
9. The floating offshore power transfer device of claim 8 wherein the power transfer tower comprises a tower head, a tower body and a tower foot;
the ground wire cross arm is arranged at the top of the tower head;
the wire cross arms are arranged on the same side of the side wall of the tower body part or are distributed on the side walls of the two opposite sides of the tower body part;
at least one upright post is arranged below the tower foot part.
10. The floating offshore power transfer device of claim 1 wherein the upright is cylindrical or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310126282.9A CN116280049A (en) | 2023-02-16 | 2023-02-16 | Floating type offshore power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310126282.9A CN116280049A (en) | 2023-02-16 | 2023-02-16 | Floating type offshore power transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116280049A true CN116280049A (en) | 2023-06-23 |
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ID=86780677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310126282.9A Pending CN116280049A (en) | 2023-02-16 | 2023-02-16 | Floating type offshore power transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116280049A (en) |
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2023
- 2023-02-16 CN CN202310126282.9A patent/CN116280049A/en active Pending
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