KR20220061539A - Apparatus for water floating solar power plant - Google Patents

Abstract

The present invention relates to a floating solar energy generation device. Particularly, the floating solar energy generation device according to one embodiment of the present invention comprises: a plurality of unit solar units which float on water, are consecutively arranged in at least one of a first direction and a second direction perpendicular to the first direction; an exterior frame which is coupled to the exterior of the plurality of unit solar units and defines an installation area of the plurality of unit solar units; an electric room which is disposed within the installation area, defined by the exterior frame, and generates converted electric power by receiving electric power generated by the plurality of unit solar units and converting the received electric power; a floating unit which connects one or more adjacent unit solar units among the plurality of unit solar units and the electric room; a cable unit, at least a part of which is disposed on the floating unit and one end of which is connected to the electric room; and a cable guide member which is provided between the electric room and the floating unit, in which a cable unit is accommodated, and which is provided to be bendable when the floating unit vertically moves according to changes in water level. According to the present invention, the floating solar energy generation device is capable of responding to external factors such as water level changes, thereby securing structural stability.

Description

Floating solar power plant {APPARATUS FOR WATER FLOATING SOLAR POWER PLANT}

The present invention relates to a floating photovoltaic device.

In general, photovoltaic panels manufactured for the purpose of photovoltaic power generation are installed on land or on water, or in various places such as the roof or roof of a building through a support in various places where a certain area can be secured. These solar panels are mainly installed in inexpensive forests or farmland due to their area-intensive nature, which causes damage to forests and landscapes. By doing so, a floating solar power generation device that generates electric power is in the spotlight.

Such a floating solar power generation device enables efficient use of the land, enables solar power generation without damaging the natural landscape or environment, and forms a shade on the water surface due to the shadow of the solar panel to prevent the generation of algae by blocking sunlight. There are side effects that can be suppressed.

On the other hand, the power generated by the solar panel must be transmitted to the electrical room to be converted from direct current to alternating current. Since most of these electrical rooms are located on land, a power transmission cable must be buried in the sea floor in order to transmit the electric power generated from the solar panel on the water to the electrical room on the land.

However, when the power transmission cable is buried in the seabed in this way, there is no concern that the power transmission cable is damaged by external factors such as water level change, so there is an advantage in that the structural stability of the floating solar power generation device is improved. There is a problem in that the installation cost required for landfilling increases.

Therefore, even if the power transmission cable is not buried in the seabed, as it can respond to external factors such as water level changes, research on floating photovoltaic power generation devices that secure structural stability and reduce installation costs is required.

Embodiments of the present invention have been devised to solve the problems of the prior art, and as the power transmission cable can respond to external factors such as water level change even if it is not buried in the seabed, structural stability is secured, and installation An object of the present invention is to provide a floating photovoltaic device with reduced cost.

According to an aspect of the present invention, a plurality of unit solar units are floated on the water and are continuously arranged in at least one of a first direction and a second direction perpendicular to the first direction; an outer frame fastened to the periphery of the plurality of unit photovoltaic units and defining installation areas of the plurality of unit photovoltaic units; an electrical room disposed in an installation area defined by the outer frame, receiving and converting power generated from a plurality of the unit solar units to generate converted power; a floating unit connecting one or more adjacent unit photovoltaic units among the plurality of photovoltaic units and the electrical room; a cable unit at least partly disposed on the floating unit and having one end connected to the electrical chamber; and a cable guide member provided between the electrical room and the floating unit, the cable unit being accommodated therein, and a cable guide member provided to be bendable when the floating unit moves up and down according to a change in water level. can be provided.

In addition, the apparatus further comprises a pivot unit provided between the electrical room and the cable guide member to pivotably connect the cable guide member to the electrical room, wherein the pivot unit includes at least one of vertical movement and left and right movement of the floating unit. may allow a pivotal movement of the cable guide member in response.

In addition, the floating unit may include: a first floating unit connecting one or more unit solar units adjacent to each other in the first direction among the plurality of unit solar units and the electrical room; and a second floating part that connects one or more unit photovoltaic units adjacent in the second direction among a plurality of the solar units to the electrical room, and is coupled to the first floating part, wherein the first floating part and the The second floating part may be provided with a mounting frame on which the cable guide member can be seated.

In addition, the cable guide member may have one end coupled to the pivot unit, the other end coupled to the seating frame, and a plurality of unit links coupled to each other.

In addition, the pivot unit may include a connection bracket connected to the electrical room and through which the cable unit passes; a vertical coupling member fastened to the connection bracket; a horizontal coupling member, at least a portion of which is coupled through the vertical coupling member; a bearing set including a first bearing disposed outside the horizontal coupling member in the vertical coupling member and a second bearing coupled to an inner side of the first bearing to be relatively rotatably coupled; and an extension member having one end coupled to the bearing set and the other end disposed outside the horizontal coupling member coupled to the cable guide member.

In addition, the cable unit may include: a first power transmission cable, at least a portion of which is disposed on the first floating part, and transmits power generated from a plurality of the unit solar units to the electrical room; and a second power transmission cable, at least a portion of which is disposed on the second floating part and transmits the converted power converted in the electrical room to land.

In addition, the first floating portion, a first connection frame provided between the unit solar unit and the electrical room, the mounting frame is fastened to the upper side; a plurality of first coupling frames fastened to the first coupling frame in a direction perpendicular to the extending direction of the first coupling frame; And at least one first buoyancy body fastened to the lower side of the first connection frame; and a footrest member fastened to the first connection frame in a direction horizontal to an extension direction of the first connection frame.

In addition, the second floating portion may include: a second connection frame connected to the first connection frame and to which the seating frame is fastened at an upper side; a second coupling frame fastened to the second connection frame in a direction perpendicular to an extension direction of the second connection frame; And it may include at least one second buoyancy body fastened to the lower side of the second connection frame.

In addition, the electrical chamber, at least one fixing member fixed to the seabed; a base member fastened on the fixing member; at least one power conversion device installed on the base member; and a fence member installed along an edge of the base member, wherein the base member includes at least one of a first through part through which the first power transmission cable passes and a second through part through which the second power transmission cable passes. may include

Floating photovoltaic power generation device according to embodiments of the present invention has the effect of securing structural stability and reducing installation cost as it can respond to external factors such as water level changes even if the power transmission cable is not buried in the seabed there is.

1 is a plan view showing a state in which a plurality of floating photovoltaic power generation devices according to an embodiment of the present invention are provided and are floated on water.
FIG. 2 is a plan view illustrating a part of a unit solar unit and a mooring unit in the floating photovoltaic power generation device of FIG. 1 .
3 is an enlarged view of an enlarged portion A of FIG. 2 .
4 is an enlarged view of an enlarged portion B of FIG. 2 .
5 is a side view of the floating solar power device of FIG. 2 viewed from the first direction.
6 is a side view of the floating photovoltaic device of FIG. 2 viewed from the second direction.
7 is a view for explaining the internal structure of the pivot unit of the water photovoltaic device of FIG. 1 .

Hereinafter, specific embodiments for implementing the spirit of the present invention will be described in detail with reference to the drawings.

In addition, in the description of the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In addition, when it is mentioned that a certain component is 'connected' or 'coupled' to another component, it may be directly connected or coupled to the other component, but it should be understood that other components may exist in the middle.

The terminology used herein is only used to describe specific embodiments and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise.

In addition, in the present specification, the expressions of the upper side, the lower side, the side, etc. are described with reference to the drawings, and it is to be noted in advance that if the direction of the corresponding object is changed, it may be expressed differently. For the same reason, some components are exaggerated, omitted, or schematically illustrated in the accompanying drawings, and the size of each component does not fully reflect the actual size.

Also, terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various components, but the components are not limited by these terms. These terms are used only for the purpose of distinguishing one component from another.

As used herein, the meaning of 'comprising' specifies a particular characteristic, region, integer, step, operation, element and/or component, and other specific characteristic, region, integer, step, operation, element, component, and/or group. It does not exclude the existence or addition of

Hereinafter, with reference to the drawings, it will be described a specific configuration of the floating photovoltaic device according to an embodiment of the present invention.

1 to 7, the floating photovoltaic device 1 according to an embodiment of the present invention includes a plurality of unit photovoltaic units 10, an outer frame 20, an electrical room 30, a floating unit ( 40 ), a cable unit 50 , a cable guide member 60 , a pivot unit 70 , and a mooring unit 80 .

The unit photovoltaic unit 10 may generate power by performing photovoltaic power generation while floating on water. To this end, the unit photovoltaic unit 10 may include a plurality of photovoltaic panels 11 , and the plurality of photovoltaic panels 11 may be divided into a plurality of groups and connected in series with each other. The power output from the plurality of groups divided in this way is merged in a separate connection panel (not shown), and the connection panel and the electrical room 30 are connected by a first transmission cable 51 of the cable unit 50 to be described later. can Accordingly, the combined power of the connection panel, for example, low-voltage DC power may be transmitted to the electrical room 30 to be converted into AC power and boosted to a high voltage.

In this case, a plurality of unit solar units 10 may be provided. In this case, the plurality of unit solar units 10 may be continuously arranged in at least one of a first direction and a second direction perpendicular to the first direction. Here, the 'first direction' refers to the y-axis direction of FIG. 1 , and the 'second direction' refers to the x-axis direction of FIG. 1 .

The outer frame 20 may be fastened to the periphery of the plurality of unit photovoltaic units 10 , and may define an installation area of the plurality of unit photovoltaic units 10 . To this end, the outer frame 20 may be disposed along the first direction or the second direction at the outer edge of the solar unit 10 .

On the other hand, the mooring unit 80 may be connected to the outer frame 20, whereby the water photovoltaic device 1 may be moored at a specific location on the water. However, in order to facilitate understanding of the drawings, a part of the solar unit 10 and the mooring unit 80 are omitted in FIG. 2 .

The electrical room 30 may serve to receive low-pressure DC power generated from the solar unit 10 and convert it into AC power, and boost the converted low-pressure AC power to a high voltage. To this end, the electrical room 30 is disposed within the installation area of the plurality of solar units 10 defined by the outer frame 20 to be floated on water, and to be connected to the plurality of solar units 10 . can

At this time, the electrical room 30 includes at least one fixing member 31 fixed to the seabed, a base member 32 fastened on the fixing member 30 , and at least one power conversion disposed on the base member 32 . device 33 and a fence member 34 installed along the edge of the base member 32 .

The fixing member 31 may support the base member 32 . To this end, the fixing member 31 may be provided as a pillar-shaped member extending in one direction. At least one fixing member 31 may be provided to stably support the base member 32 . In this case, one end of the fixing member 31 may be fixed to the sea floor, and the other end of the fixing member 31 may protrude out of the sea level. The base member 32 may be coupled to the other end of the protruding fixing member 31 as described above.

The base member 32 may have an installation space in which the power conversion device 33 may be installed. To this end, the base member 32 may be provided as a member having a rectangular plate shape. The fixing members 31 may be respectively coupled to the four corners of the base member 32 .

On the other hand, the base member 32 includes a first through-portion 321 through which the first power transmission cable 51 of the cable unit 50 to be described later passes and a second power transmission cable 52 of the cable unit 50 to be described later. A penetrating second through portion 322 may be provided. This will be discussed later.

The power conversion device 33 may be installed on the base member 32 , and may include at least one. In this case, the power conversion device 33 may include an inverter for converting power from direct current to alternating current and a transformer for adjusting voltage. In this way, the power converted into AC in the power conversion device 33 and the voltage is increased may be transmitted to the substation 2 on land through the second power transmission cable 52 of the cable unit 50 to be described later.

On the other hand, the electrical room 30 may be floating and mooring dependent on the unit solar unit (10). Here, "dependently floating and mooring" means that the electric room 30 does not include a separate floating and mooring facility, and the unit solar unit 10 is floated and moored in a state connected to the unit photovoltaic unit 10 . It means floating and mooring by riding on the members to make it happen.

In this embodiment, a case in which the electrical room 30 is connected to one or more adjacent unit photovoltaic units 10 among a plurality of unit photovoltaic units 10 and floats and moored dependently on the water will be described as an example, The spirit of the present invention is not necessarily limited thereto. For example, it is also possible that the electrical room 30 is connected to a separate electrical room mooring unit and floated and moored independently of the unit solar unit 10 . In addition, it is also possible that the electrical room 30 is connected to the unit photovoltaic unit 10 and at the same time a facility for floating and mooring the electrical room 30 by itself is additionally provided in the electrical room 30 .

The floating unit 40 may connect one or more adjacent unit photovoltaic units 10 among the plurality of unit photovoltaic units 10 and the electrical room 30 . In addition, the floating unit 40 may support the cable unit 50 on the sea level to protect the cable unit 50 from the influence of seawater.

In this case, the floating unit 40 includes a first floating unit 41 and a plurality of units connecting one or more unit solar units 10 adjacent to each other in the first direction among the plurality of unit solar units 10 and the electrical room 30 . A second floating part 42 coupled to the first floating part 41 and connecting one or more unit solar units 10 and the electrical room 30 adjacent to each other in the second direction among the unit solar units 10 of may include

The first floating part 41 is a first part of a cable unit 50 to be described later between one or more unit photovoltaic units 10 adjacent in the first direction among the plurality of unit photovoltaic units 10 and the electrical room 30 . The power transmission cable 51 may be supported.

To this end, the first floating part 41 is provided between the unit photovoltaic unit 10 and the electrical room 30, the first connection frame 411 to which the seating frame 43 is fastened on the upper side, the first connection frame A plurality of first coupling frames 412 coupled to the first coupling frame 411 in a direction perpendicular to the extending direction of the 411, at least one first buoyancy body coupled to the lower side of the first coupling frame 411 It may include a footrest member 414 coupled to the first connection frame 411 in a direction horizontal to the extension direction of the 413 and the first connection frame 411 .

At this time, the first power transmission cable 51 of the cable unit 50 to be described later may be disposed and supported on the plurality of first coupling frames 412 , and the first coupling frame on the plurality of first coupling frames 412 . The first power transmission cable 51 may be disposed in a direction substantially horizontal to the direction in which the 412 extends.

Meanwhile, the footrest member 414 may be fastened to the first coupling frame 412 through a separate fastening means 4141 . The footrest member 414 is provided so that the operator can step on it and move it, and as a member that enables the movement of the operator or the maintenance work of the first power transmission cable 51 , the extension direction of the first connection frame 411 and the substantially can be arranged in a horizontal direction.

The second floating part 42 is a second part of a cable unit 50 to be described later between one or more unit photovoltaic units 10 adjacent in the second direction among the plurality of unit photovoltaic units 10 and the electrical room 30 . The power transmission cable 52 may be supported.

To this end, the second floating part 42 is coupled to the first connection frame 411 , and the second connection frame 421 to which the seating frame 43 is fastened on the upper side, and the extending direction of the second connection frame 421 . and a second coupling frame 422 coupled to the second coupling frame 421 in a direction perpendicular to and at least one second buoyancy body 423 coupled to the lower side of the second coupling frame 421 . .

The cable unit 50 may transmit power generated by the plurality of solar units 10 to the electrical room 30 . To this end, the cable unit 50 may be connected between the plurality of solar units 10 and the electrical room (30).

At this time, at least a part of the cable unit 50 may be disposed on the floating unit 40 and supported by the floating unit 40 . Specifically, at least a portion of the cable unit 50 is disposed on the first floating part 41 , and a first transmission cable ( 51) and at least a portion of the second power transmission cable 52 disposed on the second floating part 42 and transmitting the converted power converted in the electrical room 30 to land.

In this case, the first power transmission cable 51 passes through the first through part 321 provided in the base member 32 to connect between the first floating part 41 and the electrical room 30, and the second power transmission The cable 52 may pass through the second penetrating portion 322 provided in the base member 32 to connect the second floating portion 42 and the electrical chamber 30 . Accordingly, the installation space of the cable unit 50 can be significantly reduced compared to the prior art.

On the other hand, as the height of the floating unit 40 on which the cable unit 50 is disposed changes due to the tide, there is a risk that the cable unit 50 disposed on the floating unit 40 may be damaged by such a water level change. there is. To prevent this, the cable unit 50 may be accommodated in the cable guide member 60 .

The cable guide member 60 includes the cable unit 50 therein, and is provided to be bendable when the floating unit 40 rises and falls according to a change in water level, thereby protecting the cable unit 50 . To this end, the cable guide member 60 may be provided between the electrical chamber 30 and the floating unit 40 .

In this case, one end of the cable guide member 60 may be coupled to the pivot unit 70 via the fixing bracket 61 . Also, the other end of the cable guide member 60 may be coupled to the seating frame 43 .

Meanwhile, the cable guide member 60 may have a structure in which a plurality of unit links 62 are coupled to each other via a connection pin 63 . Accordingly, the unit links 62 adjacent to the connection pin 63 may be rotated. At this time, each unit link 62 has an open shape at both ends so that when a plurality of unit links 62 are coupled to each other, an accommodation space in which the cable unit 50 can be accommodated may be provided.

As described above, when the cable guide member 60 has a link structure and the floating unit 40 moves up and down, it can be bent or unfolded, thereby preventing damage to the cable unit 50 provided in the cable guide member 60 . can be prevented

The pivot unit 70 may prevent damage to the cable guide member 60 by pivoting the cable guide member 60 in response to at least one of a vertical movement and a left and right movement of the floating unit 40 by waves, currents, wind, etc. can To this end, the pivot unit 70 may pivotably connect the cable guide member 60 to the electrical chamber 30 . To this end, the pivot unit 70 may be provided between the electrical chamber 30 and the cable guide member 60 .

The pivot unit 70 is connected to the electrical room 30, a connection bracket 71 through which the cable unit 50 passes, a vertical coupling member 72 fastened to the connection bracket, and at least a portion of the vertical coupling member 72 Relative rotation on the inside of the first bearing 741 and the first bearing 741 disposed on the outside of the horizontal coupling member 73 inside the horizontal coupling member 73 coupled through the vertical coupling member 72 A bearing set 74 including a second bearing 742 that is possibly coupled and one end coupled to the bearing set 74, the other end disposed outside the horizontal coupling member 73 is a cable guide member 60 ) may include an extension member 75 coupled to.

The connection bracket 71 may be fastened to the bottom surface of the base member 32 , and the vertical coupling member 72 may be fastened to the bottom surface of the connection bracket 71 via the coupling bracket 721 . At this time, a through hole 711 through which the cable unit 50 passes may be formed in the connection bracket 71 . The cable unit 50 passing through the through hole 711 may be accommodated in the cable guide member 60 .

Meanwhile, the bottom surface of the connection bracket 71 may be spaced apart from the fixing bracket 61 to which one end of the cable guide member 60 is connected by a predetermined distance. Accordingly, even if the cable guide member 60 is moved in the vertical direction by the rotation of the bearing set 74 , it does not interfere with the connection bracket 71 , thereby preventing damage to the cable guide member 60 .

The vertical coupling member 72 may be vertically extended downwardly from the bottom surface of the coupling bracket 721 . In this case, the vertical coupling member 72 may include a coupling portion 722 to which the first bearing 741 may be coupled, and the coupling portion 722 may have a groove shape. In this case, a support member 7411 for supporting the first bearing 741 may be provided between the inner surface of the coupling part 722 and the first bearing 741 .

The horizontal coupling member 73 is a member connecting the bearing set 74 and the cable guide member 60 , and at least a part thereof may protrude from the vertical coupling member 72 . The extension member 75 may be coupled to the outer surface of the horizontal coupling member 73 protruding from the vertical coupling member 72 . A fixing bracket 61 of the cable guide member 60 may be coupled to an end of the extension member 75 .

In this case, as an example of the bearing set 74 , the first bearing 741 may be provided as a concave spherical bearing, and the second bearing 742 may be provided as a convex spherical bearing. Accordingly, according to the flow of the floating unit 40 , the second bearing 742 is rotated with respect to the first bearing 741 , so that the cable guide member 60 connected to the second bearing 742 moves in the vertical or horizontal direction. can be

The mooring unit 80 is connected to the outer frame 20 through a separate connection means (not shown) so that the water-based photovoltaic device 1 can be stably moored at a specific location on the water.

In the water-based photovoltaic device 1 having the above-described configuration, the electric room 30 is located on the water adjacent to the plurality of unit photovoltaic units 10, and the power of the unit photovoltaic unit 10 is transferred to the electric room 30 ), the first power transmission cable 51 and the second power transmission cable 52 for transmitting the converted power converted in the electrical room 30 to the substation 2 on land is a unit solar unit 10 and the electrical room 30 ), the length of the transmission cable may be shortened and the number of transmission cables may be reduced compared to the conventional method in which the transmission cable is buried in the seabed. Accordingly, there is an effect that the construction period and cost for installing the power transmission cable can be effectively shortened compared to the related art.

In addition, since the first power transmission cable 51 and the second power transmission cable 52 are installed on water rather than underwater, there is an effect that cable wiring work and cable maintenance work are easy.

In addition, when the floating unit 40 is moved up and down according to a change in the water level, the cable guide member 60 is bent or unfolded, and when the floating unit 40 is moved left and right by external factors such as waves, the pivot unit ( As the pivot movement of the cable guide member 60 is allowed by the 70), the cable guide member 60 and the cable unit 50 accommodated in the cable guide member 60 can be prevented from being damaged. Accordingly, there is an effect that the structural stability of the floating photovoltaic device 1 is secured even if the power transmission cable is not buried in the seabed as in the prior art.

Although the embodiments of the present invention have been described as specific embodiments, these are merely examples, and the present invention is not limited thereto, and should be construed as having the widest scope according to the basic idea disclosed in the present specification. A person skilled in the art may implement a pattern of a shape not specified by combining/substituting the disclosed embodiments, but this also does not depart from the scope of the present invention. In addition, those skilled in the art can easily change or modify the disclosed embodiments based on the present specification, and it is clear that such changes or modifications also fall within the scope of the present invention.

1: Floating Solar Power Plant 2: Substation
10: unit solar unit 11: solar panel
20: outer frame 30: electrical room
31: fixing member 32: base member
33: power conversion device 34: fence member
40: floating unit 41: first floating part
42: second floating part 50: cable unit
51: first power transmission cable 52: second power transmission cable
60: cable guide member 61: fixing bracket
62: unit link 63: connecting pin
70: pivot unit 71: connection bracket
72: vertical coupling member 73: horizontal coupling member
74: bearing set 75: extension member
80: mooring unit 321: first penetration
322: second through portion 411: first connection frame
412: first coupling frame 413: first buoyancy body
414: scaffold member 711: through hole
721: coupling bracket 722: coupling part
741: first bearing 742: second bearing
4141: fastening means 7411: support member

Claims (9)

a plurality of unit solar units floating on water and continuously arranged in at least one of a first direction and a second direction perpendicular to the first direction;
an outer frame fastened to the periphery of the plurality of unit photovoltaic units and defining installation areas of the plurality of unit photovoltaic units;
an electrical room disposed within an installation area defined by the outer frame, receiving and converting power generated from a plurality of the unit solar units to generate converted power;
a floating unit connecting one or more adjacent unit photovoltaic units among the plurality of photovoltaic units and the electrical room;
a cable unit at least partly disposed on the floating unit and having one end connected to the electrical chamber; and
and a cable guide member provided between the electrical room and the floating unit, the cable unit being accommodated therein, and bent when the floating unit is moved up and down according to a change in water level;
Floating solar power plant. According to claim 1,
Further comprising a pivot unit provided between the electrical room and the cable guide member to pivotably connect the cable guide member to the electrical room,
The pivot unit is
allowing a pivotal movement of the cable guide member in response to at least one of a vertical movement and a left and right movement of the floating unit;
Floating solar power plant. 3. The method of claim 2,
The floating unit is
a first floating part connecting one or more unit photovoltaic units adjacent in the first direction among the plurality of unit photovoltaic units to the electrical room; and
and a second floating part that connects one or more unit solar units adjacent in the second direction among a plurality of the solar units to the electrical room, and is coupled to the first floating part,
The first floating part and the second floating part are provided with a seating frame on which the cable guide member can be seated,
Floating solar power plant. 4. The method of claim 3,
The cable guide member,
One end is coupled to the pivot unit, the other end is coupled to the seating frame, and a plurality of unit links are coupled to each other,
Floating solar power plant. 4. The method of claim 3,
The pivot unit is
a connection bracket connected to the electrical room and through which the cable unit passes;
a vertical coupling member fastened to the connection bracket;
a horizontal coupling member, at least a portion of which is coupled through the vertical coupling member;
a bearing set including a first bearing disposed outside the horizontal coupling member within the vertical coupling member and a second bearing coupled to an inner side of the first bearing to be relatively rotatably coupled; and
an extension member having one end coupled to the bearing set and the other end disposed outside the horizontal coupling member coupled to the cable guide member,
Floating solar power plant. 4. The method of claim 3,
The cable unit is
a first power transmission cable, at least a portion of which is disposed on the first floating part and transmits power generated from a plurality of the unit solar units to the electrical room; and
At least a portion of which is disposed on the second floating part, and includes a second power transmission cable for transmitting the converted power converted in the electrical room to land,
Floating solar power plant. 7. The method of claim 6,
The first floating part,
a first connection frame provided between the unit solar unit and the electrical room and to which the seating frame is fastened on the upper side;
a plurality of first coupling frames fastened to the first coupling frame in a direction perpendicular to the extending direction of the first coupling frame;
at least one first buoyancy body fastened to the lower side of the first connection frame; and
Comprising a footrest member fastened to the first connection frame in a direction horizontal to the extending direction of the first connection frame,
Floating solar power plant. 8. The method of claim 7,
The second floating part,
a second connection frame connected to the first connection frame and to which the seating frame is fastened to an upper side;
a second coupling frame fastened to the second connection frame in a direction perpendicular to an extension direction of the second connection frame; and
Containing at least one second buoyancy body fastened to the lower side of the second connection frame,
Floating solar power plant. 7. The method of claim 6,
The electrical room is
at least one fixing member fixed to the seabed;
a base member fastened on the fixing member;
at least one power conversion device installed on the base member; and
It includes a fence member installed along the edge of the base member,
The base member is
Comprising at least one of a first through-portion through which the first power transmission cable passes and a second through-part through which the second power transmission cable passes,
Floating solar power plant.

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