GB2598285A - Floating solar system - Google Patents
Floating solar system Download PDFInfo
- Publication number
- GB2598285A GB2598285A GB2010801.5A GB202010801A GB2598285A GB 2598285 A GB2598285 A GB 2598285A GB 202010801 A GB202010801 A GB 202010801A GB 2598285 A GB2598285 A GB 2598285A
- Authority
- GB
- United Kingdom
- Prior art keywords
- floating
- solar
- assembly according
- support frame
- circular platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000009360 aquaculture Methods 0.000 claims abstract description 4
- 244000144974 aquaculture Species 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003351 stiffener Substances 0.000 claims description 2
- 241000251468 Actinopterygii Species 0.000 abstract description 6
- 238000003491 array Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 3
- 241001474374 Blennius Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A floating solar system comprising a circular solar platform 104 which is rotatable relative to the direction of the sun and a support frame 105 using rollers 112. The system can be held in place using a fixed mooring system 106 or can be positioned on a barge having a weathervaning floating structure with single point mooring system. The system further comprises a dynamic conduit system which can conduct power away from the platform to the seabed. In some embodiments the solar platform can contain multiple arrays conjoined together and incorporate an aquaculture system such as a fish farm net (114, fig. 5) directly under the platform submerged in the water.
Description
FLOATING SOLAR SYSTEM
FIELD OF THE INVENTION
The present invention relates to a moored floating structure system with a rotatable solar panel platform. The floating structure may be a barge on a fixed mooring system. Alternatively, a weathervaning floating structure on a single point mooring system may be used. Further to this, the invention may relate to an electrical conduit system.
BACKGROUND OF THE INVENTION
Solar systems are used to convert the energy from the sun into electrical energy which goes on to be used for powering homes and commercial buildings.
Solar systems have initially been used onshore, however, the resources on land are becoming increasingly scarce. Solar systems are now being located on floating systems on inland lakes, reservoirs and canals.
In congested coastal areas and islands where there is no available land or inland waterways, the solar systems are now being used on floating structures in offshore ocean conditions.
Floating solar panel systems are generally mounted on barges. These are located in position using a multi leg mooring array.
Floating barges are not suitable for use during bad weather due to the wave motion, which may impact on the solar panels and supporting structures causing damage.
Personnel access onto the barge may also be difficult during bad weather. Personnel may also find it difficult working on the floating barges during bad weather due to the movement caused by the waves.
The electrical power generated by the floating solar device is transmitted using a dynamic electrical cable from the floating device to the export power cable system located on the lake bed or seabed. These cables may become damaged in operation, due to the movement of the mooring system, the environmental conditions and wear at the contact point with the lake bed or seabed.
In order to optimise power generating efficiency, the solar panels should be actuated to always face into the sun at the optimum angle.
However, using solar systems on floating structures comes with some significant challenges. Firstly, in order to maintain operational efficiency, the solar panels have to be continuously orientated to face the sun. Secondly, the floating system has to be able to operate in bad weather conditions, particularly if used in the ocean. Thirdly, the capital costs and the costs of maintaining and repairing the equipment during the operating lifetime are high.
For the above reasons, there remains a need to address or mitigate at least one or more of the aforementioned problems. A large change in the design and method of operation of floating solar devices is required to make the industry economically viable.
It is therefore an object of the present invention to provide a circular rotating solar panel platform that can be used on a floating structure. The platform will be automatically rotated to face the panels into the sun, at the optimum angle, to maximise the power generation 25 efficiency.
The rotating solar panel platform can be mounted on a floating barge on a fixed multi leg mooring system. The barge will be in a fixed orientation, the solar panel platform will rotate to face the sun.
Alternatively, the rotating solar panel platform can be mounted on a weathervaning floating structure located in position by a single point mooring system. The structure will be free to rotate about the mooring system, depending on the weather direction. The solar panel platform will rotate to face the sun.
The weathervaning structure will be fitted with a bow structure that provides protection to the rest of the structure from the wave action.
The floating structures will feature one or a plurality of circular rotating solar panel platforms.
The floating structures may be fitted with a dynamic conduit to protect the power transmission cable.
The floating structures can also be used for aquaculture purposes
SUMMARY OF THE INVENTION
According to a first aspect of the present invention, there is provided a rotating solar assembly comprising: a support frame, a circular platform with integrated horizontal support rollers, and a plurality of solar panels, each with its own vertical angle adjustment system: wherein the circular platform is mounted within the support frame: wherein the circular platform can be rotated on the integrated rollers, within the support frame to face the solar panels into the sun.
The solar panels angle can be vertically adjusted to be positioned at the optimum angle relative to the sun.
The circular platform can be rotated to position the solar panels at the optimum angle relative to the sun.
The integrated horizontal support rollers on the circular platform can be powered by electrical or hydraulic systems, in order to controllably rotate the circular platform on the support frame.
The electrical power from the rotating circular platform can be transferred to the support frame by a cable management system According to a second aspect of the present invention, there is provided a rotating solar assembly comprising: a support frame, a circular platform with integrated buoyancy tank, and a plurality of solar panels, each with its own vertical angle adjustment system: wherein the support frame can be located over water and the floating circular platform is mounted within the support frame and floating on the water: wherein the support frame is fitted with a plurality of vertical rollers: wherein the circular platform can be rotated within the support frame to face the solar panels into the sun.
The solar panels can be vertically adjusted to be positioned at the optimum angle relative to the sun.
The circular platform can be rotated to position the solar panels at the optimum angle relative to the sun.
The integrated vertical support rollers on the support frame can be powered by electrical, hydraulic or winch systems, in order to controllably rotate the floating circular platform on the support frame.
The electrical power from the rotating circular platform can be transferred to the support frame by a cable management system.
According to a third aspect of the present invention, there is provided a floating solar barge structure assembly comprising: a support frame and circular platform, according to the first and second aspects above, a floating barge structure and a multi-leg mooring system: wherein the floating barge structure and mooring system can be located on water: wherein the circular platform can be rotated in the support frame.
A plurality of floating solar barge structures can be configured into one assembly and located in position with one multi-leg mooring system.
The solar panels and the circular platforms and be actuated to optimise the position relative to the sun.
A dynamic electrical cable assembly will enable the electrical power to be transmitted from the floating structure, down through the water column, and then through an export cable to land.
Alternatively, a dynamic conduit can be used to house the electrical cable assembly to provide additional protection. The dynamic conduit would be used to transmit the power from the floating structure, down through the water column, and then through an export cable to land The dynamic conduit could be filled with inhibitor fluid to further protect the electrical cable assembly.
The dynamic conduit could also house hydraulic, control and fluid transport conduits.
According to a fourth aspect of the present invention, there is provided a floating solar weathervaning structure assembly comprising: a support frame and circular platform, according to the first and second aspects above, a floating weathervaning structure and a single point mooring system: wherein the floating weathervaning structure and single point mooring system can be located on water: wherein the floating structure can freely rotate about the single point mooring system: wherein the circular platform can be rotated in the support frame.
A plurality of rotating solar assemblies can be installed on the floating weathervaning structure.
The solar panels and the circular platforms and be actuated to optimise the position relative to the sun.
The floating structure will be configured so that the main structure is positioned astern of the mooring point on the bow, the main structure will always rotate to weathervane about the mooring point, depending on the weather direction.
The bow of the floating structure will be arranged to face into the prevailing waves and will be configured to direct the wave motion to the sides and underneath the floating structure. The bow structure will accommodate the majority of the wave loadings, in order to protect the rest of the floating structure.
A series of water vents will be provided on the underside of the bow structure to dissipate the wave energy from the underside of the bow structure.
The single point mooring system will be attached at the bow of the floating structure.
The floating structure will freely rotate about the single point mooring system.
A dynamic electrical cable assembly will enable the electrical power to be transmitted from the floating structure, down through the water column, and then through an export cable to land.
Alternatively, a dynamic conduit can be used to house the electrical cable assembly to provide additional protection. The dynamic conduit would be used to transmit the power from the floating structure, down through the water column, and then through an export cable to land.
The dynamic conduit could be filled with inhibitor fluid to further protect the electrical cable assembly.
The dynamic conduit could also house hydraulic, control and fluid transport conduits.
Personnel access will be provided on the stern of the floating structure.
The solar floating structure may be used in combination with other undisclosed systems, such as floating wind energy, floating tidal stream energy and floating wave energy.
Any of the previously described inventions may also be coupled with aquaculture systems such as fish nets, mussel ropes, seaweed systems.
Further optional features disclosed in relation to each aspect of the invention correspond to further optional features of each other aspect of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
Non-limiting example embodiments the present invention will now be described with reference to the accompanying drawings in which: Figure 1 shows an embodiment of the current invention, depicting the floating barge fitted with one rotating solar assembly, located in place with a multi leg mooring system.
Figure 2 shows a cross section of the barge assembly, showing the vertical angle of the solar panels on the circular platform.
Figure 3 is an isometric view of the circular platform in the support frame, driven by vertical rollers.
Figure 4 similar to Figure 3; showing the option to drive the circular platform using horizontal rollers.
Figure 5 shows an embodiment of the current invention, depicting a configuration of four floating solar systems, located in place with a multi leg mooring system. The option for integrated fish farm nets is also included in this view.
Figure 6 shows an embodiment of the current invention, depicting the weathervaning floating structure fitted with two rotating solar assemblies, located in place with a single point mooring system.
Figure 7 shows a view of the floating structure frame.
Figure 8 shows a plan view of the weathervaning structure operating in a wave regime.
Figure 9 shows an embodiment of the current invention, depicting the floating weathervaning structure fitted with four rotating solar assemblies. The option for integrated fish farm nets is also included in this view.
Figure 10 shows an embodiment of the current invention, depicting the single point mooring system in the submerged position, with the weathervaning floating structure located adjacent.
Figure 11 shows views of the top and bottom of the dynamic conduit.
DETAILED DESCRIPTION
A description of the figures is given below.
Figure 1 shows the seabed 101, sea surface 102 and the floating solar system 100.
The rotating solar assembly 103 comprises of the circular platform 104 mounted in the support frame 105.
The rotating solar assembly 103 is located on the floating barge 108 and held in position by a plurality of mooring lines 106.
A dynamic electrical cable 107 is connected between the floating barge 108 and the seabed 101. The dynamic electrical cable 107 on the seabed may be connected to the national grid network via subsea cables.
The floating solar system 100 is maintained in position on the sea surface 102 by the plurality of mooring lines 106.
Figure 2 shows an embodiment of the present invention, showing a cross sectional view of the circular platform 104 with an integrated buoyancy tank 109.
A plurality of solar panels 110 are mounted in an array on the circular platform 104.
The solar panels 110 can be vertically adjusted relative to the position of the sun 111.
The support frame 105 is mounted on the floating barge structure 108 which is located in position by the mooring lines 106.
The floating circular platform 104 with integrated buoyancy tank 109 can be rotated relative to the support frame 105 and floating structure 108 in order to be orientated relative to the position of the sun 111.
Figure 3 shows an embodiment of the present invention, showing the array of solar panels 110 mounted on the circular platform 104.
The floating circular platform 104 with integrated buoyancy tank 109 can be rotated relative to the support frame 105 and floating structure 108.
The floating circular platform 104 can be rotated relative to the support frame 105 by a plurality of vertical rollers 112.
Alternative means can be used to rotate the circular platform 104 relative to the support frame 105, such as wire rope winches, electric motor or hydraulic systems Figure 4 shows an embodiment of the present invention, showing the array of solar panels mounted on the circular platform 104.
The circular platform 104 can be rotated relative to the support frame 105 and floating structure 108.
The circular platform 104 can be rotated relative to the support frame 105 by a plurality of horizontal rollers 113 The horizontal support rollers 113 on the support frame can be powered by electrical or hydraulic systems, in order to controllably rotate the circular platform 104 on the support frame 105.
Figure 5 shows a plurality of floating solar systems 100 connected as one assembly and located in position by a plurality of mooring lines 106.
Each floating solar system 100 is shown fitted with a fish farm net 114.
Figure 6 shows the seabed 101, sea surface 102 and the floating weathervaning system 200.
The floating weathervaning system 200 is equipped with two rotating solar assemblies 100.
The floating weathervaning system 200 is maintained in position by a single point mooring system 300.
A plurality of mooring lines 301 are used in the single point mooring system 300.
A dynamic electrical conduit 302 is integrated into the single point mooring 300. The dynamic electrical conduit 302 on the seabed may be connected to the national grid network via subsea cables.
The mooring lines 301 and dynamic electrical conduit 302 are terminated in a turret assembly 303 located on the bow section 201 of the floating weathervaning system 200.
The floating weathervaning system 200 rotates about the single point mooring system 300.
Figure 7 shows the floating weathervaning system 200 which comprises of a bow section 201, main hull section 202 and a stern section 203.
The bow section 201 is fitted with a front flare profile 204 to prevent the waves from moving over the bow section 201.
The bow section 201 is fitted with a turret assembly 303 that interfaces to the single point mooring system 300.
The bow section 201 is fitted with a plurality of water vent ducts 205. These will enable the water underneath the bow structure 201 to move upwards and then out of the back of the structure. These vents will act to dissipate the wave energy.
The main hull section 202 will house the rotating solar assemblies 100.
The stern section 203 is fitted with a personnel access interface 206.
During operation, the floating weathervaning system 200 will rotate about the single point mooring system 300 therefore the area behind the stern section 203 will always be in the lee of the weather.
Personnel will be able to more safely access the stern section 203 via the personnel access interface 206 as it will be in sheltered waters.
Figure 8 shows a plan view of the floating weathervaning system 200 positioned heading into a set of prevailing waves 400.
During operation, the waves impact the front of the bow section 201 and the water is directed outwards 401 to either side of the floating structure.
The outward movement 401 of the water will continue 402 as the water moves past the main hull section 202.
The wave impact on the bow section 201 may also cause the water to move upwards onto the front flare profile 204.
The wave impact on the bow section 201 may also cause the water to move downwards underneath the structure. The energy in this water will be dissipated by the water vent ducts 205.
The area 403 in the lee of the stern section 203 will have considerably reduced wave motion.
Figure 9 shows a floating weathervaning system 400 which comprises of a bow section 401, main hull section 402 and a stern section 403.
The floating weathervaning system 400 can be equipped with a plurality of rotating solar assemblies 100, in this example four assemblies are shown.
Each floating solar system 100 is shown fitted with a fish farm net 114.
Figure 10 shows the seabed 101, sea surface 102 and the floating weathervaning system 200.
The floating weathervaning system 200 is shown positioned adjacent to the single point mooring system 300.
The single point mooring system 300 is shown in the disconnected submerged position below the sea surface.
The surface buoy 307 is connected to the main connection buoy assembly 305 by a pennant line 306.
During the installation operation, the floating weathervaning system 200 would be moved into position above the main connection assembly buoy 305.
The surface buoy 307 would then be disconnected and the pennant line 306 pulled into the turret assembly 303 located on the bow section 201 of the floating weathervaning system 200.
A plurality of mooring lines 301 are used in the single point mooring system 300.
The single point mooring system 300 can be fitted with a dynamic conduit 304 and a seabed umbilical 311.
Figure 11 shows views of the top and bottom sections of the dynamic conduits 304.
In the top view, on the left, the dynamic conduit 304 is shown attached to the underside of the main connection buoy assembly 305.
The view shows the dynamic conduit 304 partially removed to show the internal cable assembly 308.
The bottom view, on the right, shows the dynamic conduit 304 partially removed to show the internal cable assembly 308.
The dynamic conduit 304 is attached to the seabed umbilical 311 by a connection 309 A bend stiffener 310 is provided between the connection 309 and the seabed umbilical 311.
The dynamic conduit 304 can be filled with inhibitor fluid to protect the internal cable assembly 308.
Claims (2)
- CLAIMS1. A rotating solar assembly comprising: a circular platform housing an array of solar panels and a support frame.
- 2. A rotating solar assembly according to claim 1, wherein the vertical angle of the solar panels on the circular platform can be adjusted to suit the position of the sun.A rotating solar assembly according to claim 1, wherein the orientation of the circular platform relative to the support frame can be adjusted to suit the position of the sun.A rotating solar assembly according to claim 1, wherein circular platform is mounted on the support frame using horizontal rollers 5. A rotating solar assembly according to claim 1 and 4, wherein the horizontal rollers can be used to orientate the circular platform on the support frame A rotating solar assembly according to claim 1, wherein circular platform is fitted with buoyancy to make it neutrally buoyant in water.7. A rotating solar assembly according to claim 1 and 6, wherein vertical rollers are mounted on the support frame.8. A rotating solar assembly according to claim 1, 6 and 7, wherein the vertical rollers can be used to orientate the circular platform on the support frame, when the circular frame buoyancy is positioned in water.A floating solar assembly comprising: A rotating solar assembly according to the preceding claims; wherein the rotating solar assembly is mounted on a floating barge structure.10. A floating solar assembly according to claim 9, wherein the floating barge structure is located in position by a multi leg mooring system.11. A floating solar assembly according to claim 9 and 10, wherein a dynamic umbilical or dynamic conduit provides power transmission capability between the floating barge structure and the lake bed or seabed.12. A floating solar unit comprising: A plurality of floating solar assemblies according to claim 9; Wherein the floating solar unit is located in position by a multi leg mooring system; wherein a dynamic umbilical or dynamic conduit provides power transmission capability between the floating solar unit and the lake bed or seabed.13. A weathervaning floating solar unit comprising: A weathervaning floating structure; A plurality of floating solar assemblies according to claim 9; Wherein the weathervaning floating structure is located in position by a single point mooring system; wherein a dynamic umbilical or dynamic conduit within the single point mooring, provides power transmission capability between the floating solar unit and the lake bed or seabed.14. A weathervaning floating solar unit according to claim 13, wherein the structure incorporates a bow section with a flare, to divert the waves to the sides of the floating structure.15. A weathervaning floating solar unit according to claim 13, wherein vents are provided on the underside of the bow section to dissipate the wave energy.16. A dynamic conduit assembly comprising: A conduit structure housing an electrical power umbilical and control and fluid transmission lines; A connection interface to the single point mooring system; A connection interface to the seabed umbilical.17. A dynamic conduit assembly according to claim 16 wherein the conduit is filled with inhibited fluid.18. A dynamic conduit assembly according to claim 16 wherein the seabed umbilical is fitted with a bend stiffener.19. An assembly according to any claims 9, 12 and 13 wherein the assembly further comprises an aquaculture system integrated into the floating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2010801.5A GB2598285A (en) | 2020-07-14 | 2020-07-14 | Floating solar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2010801.5A GB2598285A (en) | 2020-07-14 | 2020-07-14 | Floating solar system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202010801D0 GB202010801D0 (en) | 2020-08-26 |
| GB2598285A true GB2598285A (en) | 2022-03-02 |
Family
ID=72140042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2010801.5A Withdrawn GB2598285A (en) | 2020-07-14 | 2020-07-14 | Floating solar system |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2598285A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140135312A (en) * | 2013-05-15 | 2014-11-26 | 주식회사 금성이앤씨 | Floating type solar power generation system and a rotating unit |
| JP2016007874A (en) * | 2014-06-23 | 2016-01-18 | 川崎重工業株式会社 | Floating solar power generation system |
| WO2017023536A1 (en) * | 2015-08-03 | 2017-02-09 | 4CSOLAR, Inc. | Floating solar panel array with one-axis tracking system |
| WO2018134779A2 (en) * | 2017-01-20 | 2018-07-26 | Solarisfloat, Lta. | Mooring system for a photovoltaic floating platform |
| CN207937877U (en) * | 2018-01-05 | 2018-10-02 | 浙江精工能源科技集团有限公司 | Floating type photovoltaic solar Bearings tracking system waterborne |
| WO2019027282A1 (en) * | 2017-08-03 | 2019-02-07 | 주식회사 비케이에너지 | Device for mooring and rotating water-floating photovoltaic power generation system |
-
2020
- 2020-07-14 GB GB2010801.5A patent/GB2598285A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140135312A (en) * | 2013-05-15 | 2014-11-26 | 주식회사 금성이앤씨 | Floating type solar power generation system and a rotating unit |
| JP2016007874A (en) * | 2014-06-23 | 2016-01-18 | 川崎重工業株式会社 | Floating solar power generation system |
| WO2017023536A1 (en) * | 2015-08-03 | 2017-02-09 | 4CSOLAR, Inc. | Floating solar panel array with one-axis tracking system |
| WO2018134779A2 (en) * | 2017-01-20 | 2018-07-26 | Solarisfloat, Lta. | Mooring system for a photovoltaic floating platform |
| WO2019027282A1 (en) * | 2017-08-03 | 2019-02-07 | 주식회사 비케이에너지 | Device for mooring and rotating water-floating photovoltaic power generation system |
| CN207937877U (en) * | 2018-01-05 | 2018-10-02 | 浙江精工能源科技集团有限公司 | Floating type photovoltaic solar Bearings tracking system waterborne |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202010801D0 (en) | 2020-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |