WO2024022564A1 - Plate-forme flottante pour l'agencement d'au moins un module photovoltaïque, installation photovoltaïque dotée d'une plate-forme flottante et installation photovoltaïque - Google Patents

Plate-forme flottante pour l'agencement d'au moins un module photovoltaïque, installation photovoltaïque dotée d'une plate-forme flottante et installation photovoltaïque Download PDF

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Publication number
WO2024022564A1
WO2024022564A1 PCT/DE2023/200152 DE2023200152W WO2024022564A1 WO 2024022564 A1 WO2024022564 A1 WO 2024022564A1 DE 2023200152 W DE2023200152 W DE 2023200152W WO 2024022564 A1 WO2024022564 A1 WO 2024022564A1
Authority
WO
WIPO (PCT)
Prior art keywords
buoyancy
buoyancy body
water surface
spring
transition
Prior art date
Application number
PCT/DE2023/200152
Other languages
German (de)
English (en)
Inventor
Gerhard J. Schlapmann
Original Assignee
Schlapmann Gerhard J
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE102022118499.4A external-priority patent/DE102022118499A1/de
Application filed by Schlapmann Gerhard J filed Critical Schlapmann Gerhard J
Publication of WO2024022564A1 publication Critical patent/WO2024022564A1/fr

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/70—Waterborne solar heat collector modules

Definitions

  • Photovoltaic module photovoltaic system with a
  • the invention relates to a swimming platform for arranging at least one photovoltaic module set up to generate electrical energy on a water surface, the swimming platform having a support device and a buoyancy device, the buoyancy device being connected to the support device by means of a connecting device, the support device on a in an operating position, the upper side facing away from the water surface has a receiving device for receiving a photovoltaic module or several photovoltaic modules and the buoyancy device is arranged on an underside of the support device facing the water surface in the operating position and is designed to be buoyant in such a way that when the buoyancy device is at least partially immersed, a static buoyancy occurs a direction of buoyancy relative to the water is generated and the swimming platform is buoyant. Furthermore, the invention relates to a photovoltaic system with such a swimming platform and a photovoltaic system with several swimming platforms.
  • Photovoltaic modules which are used to generate electrical energy from sunlight, are relatively large and require increased space. Furthermore, it is desirable Photovoltaic modules must be aligned directly with the sun, which is why mobility of the photovoltaic modules over the course of the day is desirable. In this context, similar to the case of wind turbines, arranging photovoltaic modules offshore or generally on water surfaces has been discussed.
  • US 2022/0224279 A1 discloses a so-called floating support structure.
  • Solar panels are mounted on floating bodies so that they can be placed on a water surface, for example.
  • Spring devices made of elastomer blocks for locally dampening impacts on the floating bodies are also disclosed.
  • WO 2022/135729 A1 discloses a floating structure with ellipsoidal buoyancy bodies, which are attached to a basic structure by means of stilt-like elements. An array of solar modules can be placed on the basic structure.
  • US 2019/0300123 A1 describes a multi-part buoyancy platform, with support elements mounted on floating bodies using swivel joints.
  • the object of the invention is to improve the state of the art.
  • the task is solved by a swimming platform for arranging at least one photovoltaic module set up to generate electrical energy on a water surface, the swimming platform has a carrying device and a buoyancy device, the buoyancy device being connected to the carrying device by means of a connecting device which has a carrying device on a top side facing away from the water surface in an operating position, a receiving device for holding a photovoltaic module or several photovoltaic modules and the buoyancy device is arranged on an underside of the support device facing the water surface in the operating position and is designed to be buoyant in such a way that when the drive device is at least partially immersed static buoyancy is generated in a buoyancy direction relative to the water and the swimming platform is buoyant, wherein the buoyancy device has a first buoyancy body and the connecting device has a first spring device, wherein a temporary buoyancy difference generated on a moving water surface is cushioned on the first buoyancy body by means of the first spring device so that the
  • the buoyancy device is designed such that the first buoyancy body, the second buoyancy body, the third buoyancy body, the fourth buoyancy body and/or the further buoyancy body are in the operating position has or have a submerged buoyancy area and an exposed buoyancy area, so that the respective buoyancy body is partially immersed in the water surface in the operating position, wherein the first buoyancy body, the second buoyancy body, the third buoyancy body, the fourth buoyancy body and / or the further buoyancy body has a first transition body volume , has or have a second transition body volume, a third transition body volume, a fourth transition body volume and / or a further transition body volume, the respective transition body volume piercing the water surface in the operating position and, in the area of the water surface, having a smaller cross section than a respective buoyancy cross section of the respective buoyancy body, Has a transition cross section so that a difference in buoyancy on the moving water surface is reduced.
  • the core idea of the invention is to provide a swimming platform in such a way that a wave-induced movement of a first buoyancy body, for example, can take place at least partially decoupled from the support device carrying the photovoltaic modules or a photovoltaic module, in that the first spring device has a corresponding force and path difference at least partially absorbs and compensates and in particular the respective transition volume also brings about a reduction in the force and path differences by means of the appropriately designed buoyancy bodies.
  • a swimming platform with a motion-calmed support device for at least one photovoltaic module is provided without complex stabilization devices, electronic compensation mechanisms or the like. This ensures that, on the one hand, there is sufficient residual buoyancy at all times to cushion even large wave events, for example.
  • a corresponding immersion-buoyancy ratio can be established via the geometry of the respective buoyancy body, so that, for example, a desired interaction behavior with the water takes place .
  • a respective spherical or essentially spherical buoyancy body has proven to be particularly advantageous here, the respective spherical or essentially spherical buoyancy body being designed and dimensioned such that the spherical or essentially spherical buoyancy body is in the Operating position is partially submerged and thus forms a submerged buoyancy area and an exposed buoyancy area.
  • the buoyancy body can in particular also be formed by a composition of vertical plates or the like.
  • a “swimming platform” is a technical device for launching onto a water surface of a body of water, for example a lake or a section of the sea, with the swimming platform then serving as a mounting surface or staging area.
  • the swimming platform has a “support device” and a “buoyancy device ", whereby the carrying device serves, for example, to accommodate a photovoltaic module on its surface, and the buoyancy device serves to generate sufficient buoyancy on the water surface so that the swimming platform remains buoyant.
  • a “photovoltaic module” is a technical device in particular for converting light, especially sunlight, into electrical energy. Such photovoltaic modules are also known as solar cells or solar panels.
  • the swimming platform in the context of this invention serves to arrange a or several photovoltaic modules on a corresponding “water surface”, i.e. on the boundary area of a body of water.
  • a “connecting device” is, for example, a mechanical connection between the carrying device and the Buoyancy device, wherein the connecting device can be part of a support frame or a framework.
  • An “operating position” is the position in which the swimming platform is arranged in normal operation, i.e. typically in such a way that the buoyancy device faces the water and the support device faces away from the water.
  • a “top side” is viewed in the direction of gravity , i.e. the side that faces away from the water.
  • a “receiving device” is then attached to this top side, for example a framework, a frame or a similar device, which contains one or more photovoltaic modules
  • a “bottom side” is therefore also to be viewed in the direction of gravity and refers to the side that faces the water surface.
  • “Swimmable” describes the property of the buoyancy device that its own weight, in particular its own weight together with the other dead weights of the components of the swimming platform, is less than the amount of water displaced by the buoyancy device, so that the swimming platform as a whole is buoyant.
  • the buoyancy device viewed in isolation, may be equipped with significantly more buoyancy than would be necessary to support its own weight on the water surface
  • the buoyancy generated by the buoyancy device on the water surface is a “static buoyancy” and is therefore naturally present even without a relative movement with respect to the water.
  • the “buoyancy direction” is the direction that acts against the direction of gravity towards the top of the swimming platform and thus the Counteracts the weight of the swimming platform in order to keep the swimming platform buoyant on the water surface.
  • water surface represents the contact area between the body of water and the atmosphere, whereby the “body of water” refers to the total amount of water, for example a lake or a sea or even an ocean. “Water” and “water body” can be used interchangeably.
  • the buoyancy device has a "first buoyancy body", i.e. a partial area, a partial body or a body effective for buoyancy, whereby the buoyancy device itself can have additional means, for example for arranging the buoyancy body.
  • the first buoyancy body acts like that buoyancy device described above relative to the water and represents a subunit of the buoyancy device.
  • the buoyancy device has a second buoyancy body, a third buoyancy body, a fourth buoyancy body and / or a further buoyancy body and the connecting device has a second spring device, a third spring device, a fourth spring device and / or a further spring device, wherein a temporary buoyancy difference generated on a moving water surface on the second buoyancy body, on the third buoyancy body, on the fourth buoyancy body and / or on the further buoyancy body by means of the second spring device, by means of the third spring device, by means of the fourth spring device and/or is cushioned by means of the further spring device, so that the supporting device remains at least partially fixed in place relative to the water surface by means of the respective cushioning.
  • the respective spring device has a respective spring unit and/or a respective damping unit, with the damping unit making it possible to dampen the respective cushioning against vibrations.
  • This configuration makes it possible to use the damping unit to correspondingly dampen vibrations induced by waves, for example, i.e. periodically repeated changes in height of the water surface that act on the swimming platform.
  • the respective “spring unit” takes on the task of increasing the force when the deflection increases, with a damping unit exerting forces that are opposite to the movement depending on the speed, so that in particular one High speed of movement, for example high-frequency waves on the water surface, can or can be compensated for, for example by the inertia of the swimming platform, with long-wave events being absorbed by appropriately adjusted damping properties, for example by the spring device.
  • the function of the path-dependent increase in force and the damping can also be realized together, for example by a suitable material with elastic and at the same time damping properties.
  • the respective spring device has a spiral spring, a gas pressure spring, an elastomer spring, a strand spring and/or a leaf spring.
  • a “strand spring” is a strand-shaped spring device formed, for example, from an elastomer, which has resilient properties analogous to the function of a standard household rubber band, but, for example, on a larger scale and adapted for technical use.
  • such a strand spring can usually be used as a Elastomer selected material and / or, for example, by twisting, twisting and / or braiding individual strands of the strand spring also have damping properties.
  • the respective spring device can also have a liquid damper, a friction damper or an electromagnetic damper.
  • a liquid damper can also be realized, for example, by water from the water body, if, for example, the water that is already below the water surface is guided through appropriate gaps and/or through appropriate throttle devices in order to achieve speed-dependent damping. This means that no additional medium is required.
  • An “immersed buoyancy area” is the area which is arranged below the water surface in the operating position and generates buoyancy, with an “exposed buoyancy area” being arranged above the water surface and only generates additional buoyancy when the respective buoyancy body is submerged further .
  • the first buoyancy body, the second buoyancy body, the third buoyancy body, the fourth buoyancy body and / or the further buoyancy body has a first transition body volume, a second transition body volume, a third transition body volume, a fourth transition body volume and / or a further transition body volume, wherein the respective transition body volume penetrates the water surface in the operating position and in the area of the water surface has a transition cross section that is reduced by more than 50%, 60%, 70%, 80%, in particular by more than 90%, compared to a respective buoyancy cross section of the respective buoyancy body so that a difference in buoyancy on the moving water surface is reduced.
  • a "transitional body volume” is, for example, a body that is deliberately designed to be slim compared to the rest of the buoyancy body, which generates a significantly lower additional buoyancy in relation to the respective buoyancy body when the buoyancy body is further submerged under water.
  • the respective buoyancy body for example a spherical or essentially spherical buoyancy body
  • a guide device for example a guide rod assigned to the respective buoyancy body
  • This configuration is particularly advantageous in connection with a strand spring, but can also be designed to be connected to other spring devices.
  • the first buoyancy body, the second buoyancy body, the third buoyancy body, the fourth buoyancy body and / or the further buoyancy body and / or the respective one is or are Transition body volume is designed to be completely closed with a buoyancy body wall, the buoyancy body wall having in particular a filling, in particular a foam.
  • the respective buoyancy body can be designed to be intrinsically safe, for example by filling it with foam, water penetration is no longer possible in the event of a leak in the buoyancy body wall.
  • the support device In order to prevent damage to the support device in heavy seas or, for example, when strong waves form, and to keep the difference in buoyancy as low as possible, the support device has a lattice structure, the lattice structure being designed to be permeable in particular along the direction of buoyancy. This also makes it possible, for example, for water that is surging on the support device, for example on a platform, to drain back towards the water surface quickly and without the introduction of excessive additional forces through the support device.
  • the task is solved by a photovoltaic system with a swimming platform according to one of the previously mentioned embodiments and a photovoltaic module or several photovoltaic modules.
  • Such a photovoltaic system uses the swimming platform and the quasi-stationary attachment of the photovoltaic module or the Photovoltaic modules to convert solar energy into electrical energy particularly efficiently.
  • the task is solved by a photovoltaic system of this type, the photovoltaic system having at least two swimming platforms according to the previously described embodiments.
  • Such a photovoltaic system can, for example, have several photovoltaic modules on different swimming platforms, the swimming platforms being connected, for example, with ropes, chains or similar means and, for example, being centrally anchored.
  • an anchoring can advantageously be applied, in particular on the platform itself, for example on the supporting device, so that the respective buoyancy bodies can act freely relative to the anchoring and the swimming platforms j each remains as stationary as possible on the water surface.
  • Such a photovoltaic system is characterized by a particularly high level of efficiency.
  • Figure 1 is a schematic representation of a
  • FIG. 1 is a schematic representation of part of an alternative solar platform with alternative floating bodies
  • FIG. 3 is a schematic representation of an alternative floating body for the solar system of Figure 2
  • Figure 4 shows a schematic representation of part of an alternative solar platform with an alternative suspension, as well
  • Figure 5 is a schematic representation of part of a further alternative
  • a solar platform 101 has a grid frame 103, which is arranged on an upper side 102 of the solar platform 101.
  • the grid frame 103 is designed to be permeable along a buoyancy axis 191 (not shown in detail).
  • the buoyancy axis 191 runs orthogonally to a water surface 181 on which the solar platform 101 floats.
  • the grid frame 103 is stabilized by means of a frame 105, the frame 105 being arranged in the direction of a bottom 104.
  • the frame 105 rests on shock absorbers 111, the shock absorbers having a respective cylinder 113 and a respective piston 115.
  • the shock absorbers 111 have a spring and a damper (not shown in detail). The When the water surface 181 is calm, shock absorbers 111 are in a starting position 117, i.e. in a rest position.
  • Each shock absorber 111 connects the frame 105 and thus the grid frame 103 with a respective buoyancy body 121, 122 and 123.
  • the respective buoyancy body 121, 122 and 123 floats on the water surface 181, with a diving area 124 below the water surface 181 and a free area 125 are arranged above the water surface.
  • the volume of the buoyancy bodies 121, 122 and 123 in the respective diving area 124 displaces water and thus provides the static buoyancy for the platform 101.
  • the buoyancy bodies 121, 122 and 123 are provided with a closed plastic shell and filled with a plastic foam.
  • a solar panel 151 and a solar panel 153 are arranged on the grid frame 103, with a support 152 and a support 154 each serving to set up the solar panels 151 and 153 obliquely or vertically relative to the surface of the grid frame 103, so that the best possible incidence of sunlight on the respective solar panel is possible.
  • the other electrical components required to operate the solar panels are not described in detail here.
  • the resulting wave formation causes a change in the respective diving area 124 and the free area 125, with a respective Buoyancy of the respective buoyancy body 121, 122 and 123 is changed independently of one another.
  • This change in buoyancy is absorbed by the respective shock absorbers 111, so that although the respective buoyancy bodies 121, 122 and 123 locally at least partially follow the wave movement, the grid frame 103 with the frame 105 remains essentially stationary and immovable.
  • the solar panels 151 and 153 are aligned relatively statically with respect to the sun required to generate electrical energy, even when there are waves, and can supply electricity efficiently.
  • the technical arrangements for processing and forwarding the generated electrical power are not shown in detail here.
  • a solar platform 201 (shown as a section with a buoyancy body in FIG. 2) has a grid frame 203 analogous to the previous example. Likewise, a solar panel 251 with a support 252 is placed on the grid frame 203.
  • a rocker arm 207 serves to movably connect a buoyancy body 221 to the grid frame 203, namely by means of joints 222 and 223.
  • the rocker arm 207 is cushioned relative to the grid frame 203 by means of a shock absorber 211, the shock absorbers 211 being a combined spring-oil damper.
  • the function of the buoyancy body 221 is analogous to the buoyancy body 121, 122 or 123 from the previous example.
  • An alternative buoyancy body 321 which could be arranged, for example, on the solar platform 201 at the joint 222, has a joint 322 that is compatible with the joint 222.
  • the buoyancy body 321 has a buoyancy body volume 326 and a transition body volume 327.
  • the transition body volume 327 is significantly slimmer in the direction of the joint 322 and has a smaller cross section than the buoyancy body volume 326. If the buoyancy body 321 is now used on the solar platform 201, a diving area 323 is formed, which completely encompasses the buoyancy body volume 326 and partially extends into the transition body volume 327.
  • a corresponding free area 325 analogous to the previous example, is formed in the area of the transition body volume 327.
  • a cross section of the transition body volume 327 viewed at a section 391 has, for example, only 10% of a cross section along a section 392 through the buoyancy body volume 326. Consequently, a corresponding wave movement, namely a change in the water surface 181, will only cause small differences in buoyancy at the transition body volume 227, so that, for example, the shock absorber 211 can be designed to be lighter and smaller and the swimming platform 201 lies significantly calmer in the water than without this configuration.
  • a suspension 401 is part of an alternative solar platform (not fully shown) and in particular has a modified mechanism for damping of, for example, waves on the water surface 181.
  • a frame 405, for example, carries corresponding solar modules (not shown) and has a guide 407 aligned along a buoyancy axis 491.
  • the guide 407 serves to axially guide a guide rod 413, at the lower end of which a buoyancy body 421 in the shape of a ball is firmly attached.
  • the buoyancy body 421 forms a diving area 424 and a free area 425 compared to the water surface 181, analogous to the previous example.
  • Above the frame 405, the guide rod 413 is accommodated on a spring device 411.
  • the guide rod 413 has a head piece 415 on which hooks 417 are arranged.
  • Hooks 418 are arranged on the frame 405, with respective elastomer strands 419 being arranged between the hooks 417 and the hooks 418.
  • the frame 405 "hangs" as it were below the head piece 415 in the spring device 411.
  • the elastomer strands 419 take on both a resilient function and a slight damping function, so that in the event of a wave movement on the water surface 181 and a corresponding change in buoyancy on the buoyancy body 421, analogous to In the examples described above, the wave movement is cushioned and simultaneously dampened, so that the frame 405 and thus a solar platform formed with it remains as stationary as possible relative to the water surface 181.
  • an alternative suspension 501 is designed with a frame 505, with one Spring device 511 is arranged below the water surface 181.
  • a guide rod 513 extends from the frame 505 to below the water surface 181.
  • a spherical buoyancy body 521 is slidably received on the guide rod 513 by means of a guide bore 507.
  • the guide hole is shown here as an example.
  • a sliding guide for example made of a plastic or a corrosion-resistant metal, can be used in the guide bore, which, for example, uses the water present below the water surface 181 as a lubricant or slip improver. This enables particularly smooth guidance within the guide hole.
  • the buoyancy body 521 is arranged floating on the water surface 181, so that a diving area 524 and a free area 525 are formed, analogous to the previous examples.
  • the buoyancy body 521 has hooks 518, and a head piece 515 at a lower end of the guide rod 513 has hooks 517.
  • Respective elastomer strands 519 are arranged between the hooks 517 and 518, which arrange the frame 505 and a solar platform formed therewith (not completely shown) above the water surface 181 in a resilient and damped manner.
  • the buoyancy body 521 now slides along the guide rod 513 so that the wave movement is compensated for in the best possible way.
  • Additional damping can also be formed, for example, by dimensioning a gap or a passage between the guide rod 513 and the guide bore 507 so that at the same time Liquid damper is formed.
  • the advantage of the suspension 501 is that the elastomer strands 519 are arranged completely below the water surface 181 and are therefore also arranged, for example, safely against ice or fragments of ice at lower temperatures.
  • Two elastomer strands 419, 519 are shown as examples for both the suspension 401 and the suspension 501, with a number of two to four
  • Elastomer strands have proven to be particularly advantageous.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

La présente invention concerne une plate-forme flottante pour l'agencement, sur une surface d'eau, d'au moins un module photovoltaïque conçu pour produire de l'énergie électrique, la plate-forme flottante comportant un dispositif de support et un dispositif de flottaison, le dispositif de flottaison étant relié au dispositif de support au moyen d'un dispositif de liaison et le dispositif de flottaison étant disposé sur un côté inférieur du dispositif de support, tourné vers la surface de l'eau dans la position de fonctionnement, le dispositif de flottaison comprenant un premier corps de flottaison et le dispositif de liaison comprenant un premier dispositif de ressort. Le premier dispositif de ressort amortit au niveau du premier corps de flottaison une différence de flottaison temporaire produite sur une surface d'eau en mouvement de sorte que le dispositif de support reste au moins en partie fixe par rapport à la surface d'eau au moyen de l'amortissement. L'invention concerne également une installation photovoltaïque comprenant une plate-forme flottante ou plusieurs plates-formes flottantes.
PCT/DE2023/200152 2022-07-25 2023-07-19 Plate-forme flottante pour l'agencement d'au moins un module photovoltaïque, installation photovoltaïque dotée d'une plate-forme flottante et installation photovoltaïque WO2024022564A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102022118499.4 2022-07-25
DE102022118499.4A DE102022118499A1 (de) 2022-07-25 2022-07-25 Schwimmplattform zum Anordnen zumindest eines Photovoltaikmoduls, Photovoltaikanlage mit einer Schwimmplattform sowie Photovoltaikanlage
DE102022123960.8 2022-09-19
DE102022123960 2022-09-19

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Publication Number Publication Date
WO2024022564A1 true WO2024022564A1 (fr) 2024-02-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105245169A (zh) * 2015-11-03 2016-01-13 无锡同春新能源科技有限公司 两排水面漂浮太阳能电站之间的智能安全连接装置
CH709864A2 (de) * 2014-07-11 2016-01-15 Novaton Erneuerbare En Ag Solarenergiegewinnungssystem.
CN108616236A (zh) * 2018-07-03 2018-10-02 贵州大秦光伏农业科技有限公司 一种水上光伏发电系统
US20190300123A1 (en) 2018-03-30 2019-10-03 Kenneth Edward Ruddy Method to form a reconfigurable multihull multiplatform floating vessel
WO2022135729A1 (fr) 2020-12-23 2022-06-30 Solarduck Holding B.V. Structure flottante ayant des éléments flottants ellipsoïdaux
US20220224279A1 (en) 2019-05-07 2022-07-14 Robert Zimmermann Floating carrier device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709864A2 (de) * 2014-07-11 2016-01-15 Novaton Erneuerbare En Ag Solarenergiegewinnungssystem.
CN105245169A (zh) * 2015-11-03 2016-01-13 无锡同春新能源科技有限公司 两排水面漂浮太阳能电站之间的智能安全连接装置
US20190300123A1 (en) 2018-03-30 2019-10-03 Kenneth Edward Ruddy Method to form a reconfigurable multihull multiplatform floating vessel
CN108616236A (zh) * 2018-07-03 2018-10-02 贵州大秦光伏农业科技有限公司 一种水上光伏发电系统
US20220224279A1 (en) 2019-05-07 2022-07-14 Robert Zimmermann Floating carrier device
WO2022135729A1 (fr) 2020-12-23 2022-06-30 Solarduck Holding B.V. Structure flottante ayant des éléments flottants ellipsoïdaux

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