WO2023149726A1 - Système de production d'énergie photovoltaïque présentant un câble de transmission suspendu sous l'eau - Google Patents

Système de production d'énergie photovoltaïque présentant un câble de transmission suspendu sous l'eau Download PDF

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Publication number
WO2023149726A1
WO2023149726A1 PCT/KR2023/001506 KR2023001506W WO2023149726A1 WO 2023149726 A1 WO2023149726 A1 WO 2023149726A1 KR 2023001506 W KR2023001506 W KR 2023001506W WO 2023149726 A1 WO2023149726 A1 WO 2023149726A1
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WO
WIPO (PCT)
Prior art keywords
power generation
photovoltaic power
floating
transmission cable
water
Prior art date
Application number
PCT/KR2023/001506
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English (en)
Korean (ko)
Inventor
이종목
원창섭
김동찬
강명길
김성대
Original Assignee
스코트라 주식회사
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Publication date
Application filed by 스코트라 주식회사 filed Critical 스코트라 주식회사
Publication of WO2023149726A1 publication Critical patent/WO2023149726A1/fr

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    • 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
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/12—Installations of electric cables or lines in or on the ground or water supported on or from floats, e.g. in water
    • 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
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • 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

Definitions

  • the present invention relates to a floating photovoltaic power generation system, which provides a resting place for birds in the vicinity of a floating photovoltaic power generation unit in which solar panels are installed while preventing damage to transmission cables caused by rough obstacles on the water surface or on the water surface. It relates to a solar power generation system that can safely protect a floating photovoltaic power generation unit from being damaged by suppressing the access of birds in an environmentally friendly way.
  • a solar power generation system installed on land generates an enormous amount of heat in the process of generating electricity by receiving sunlight, and a large amount of energy is transmitted from the land on which the solar power generation system is installed, so that the solar panel It had a problem that degraded the performance and caused a failure.
  • the floating photovoltaic power generation system includes a floating photovoltaic power generation unit 10 composed of a solar panel for generating electricity by photovoltaic power and a support for supporting the solar panel to be positioned on the surface of the water by buoyancy, the floating photovoltaic A mooring rope that connects the power generation unit 10 and the underwater ground to support the floating photovoltaic power generation unit 10 so that it does not float away, and underwater from the floating photovoltaic power generation unit 10 to transmit electricity generated from the solar panel to land It consists of a transmission cable (EC) that is draped to the ground and then connected to the power grid on land along the water surface.
  • EC transmission cable
  • an object of the present invention is to prevent damage to transmission cables due to rough obstacles present on the underwater surface or on the water surface, while near the floating photovoltaic power generation unit.
  • the floating photovoltaic power generation system includes a floating photovoltaic power generation unit having a solar panel and generating electricity by photovoltaic power generation while floating on the water; a power transmission cable connected from the solar panel to a land power grid in order to transmit electricity generated by the solar panel to land; An intermediate support unit floating on the water at a point between the water photovoltaic power generation unit and the land; And connected from the solar panel to the land, but in a state of being mounted via the intermediate support unit floating on the water, other parts are connected in a floating state by being draped in the water, supporting the transmission cable to float in the water without sinking Suspension cable; characterized in its technical configuration to include.
  • the intermediate support unit includes a frame assembly, a float that floats the frame assembly on the water surface, and a tray installed in a form crossing the upper surface of the frame assembly and guiding the transmission cable and the suspension cable through the inside. It may be characterized by including.
  • a plurality of cable holders are mounted on the suspension cable at a distance along its longitudinal direction to support the transmission cable draped in water from above.
  • suspension cables are provided side by side in pairs, and the cable holder is mounted in a V shape with both ends fastened to the pair of suspension cables to support the transmission cable.
  • both ends of the tray may be formed in a curved shape bent toward the water surface to prevent bending of the suspension cable and transmission cable.
  • a plurality of rollers are installed along the longitudinal direction of the tray inside the tray so that the suspension cable and transmission cable for the intermediate support unit can be smoothly transported.
  • suspension cable and transmission cable may be characterized in that they can be transported along the tray.
  • the intermediate support unit may be characterized in that it is movable in the forward and backward directions along the suspension cable and the transmission cable.
  • an inspection box housing installed so that the tray passes therein is provided, and a part of the tray is opened so that the suspension cable and transmission cable are exposed in the inspection box housing, so that the suspension cable and transmission cable are exposed in the inspection box housing. It may be characterized in that it enables inspection and repair of damaged parts while transferring.
  • the frame assembly is provided with an open area that is opened vertically, and a vegetation base material is installed below the open area, but is installed at a height so as to absorb moisture while at least a part of the lower part is submerged in water, so that the vegetation base material cannot be removed. It may be characterized in that aquatic plants can grow.
  • the vegetation substrate may be characterized in that it is manufactured by connecting a mat made of a water-absorbing material into a cylindrical shape and connecting cylindrical units in a mattress shape.
  • the moisture-absorbing mat may be characterized in that it is made of coconut shell material.
  • a perch for birds is installed in a form crossing the open area of the frame assembly from the upper side so that a number of birds can sit on it.
  • the transmission cable does not sink to the underwater ground by the suspension cable mounted via the intermediate support unit floating on the water, but floats in the water, and is free from rough obstacles present on the underwater ground or on the underwater ground. damage to the transmission cable due to
  • the present invention provides a resting place for birds by a complex configuration in which aquatic plants are grown on the intermediate support unit located near the floating photovoltaic power generation unit and a perch for birds is installed, thereby preventing birds from approaching the floating photovoltaic power generation unit It is possible to effectively prevent damage to the water photovoltaic power generation unit caused by algae.
  • the present invention can create a beautiful natural scenery with the feeling of an artificial island in which a green environment is created due to aquatic plants growing in the intermediate support unit, purifies water quality, and especially promotes the breeding of nutrients (phosphorus and nitrogen) during the summer season.
  • a suppressive side effect can also be expected.
  • FIG. 1 is a configuration diagram of a floating photovoltaic power generation system according to the prior art
  • FIG. 2 is an overall configuration diagram of a floating photovoltaic power generation system according to an embodiment of the present invention
  • Figure 3 is a perspective view of an intermediate support unit in the floating photovoltaic power generation system according to an embodiment of the present invention
  • Figure 4 is a plan view of the intermediate support unit in the floating photovoltaic power generation system according to an embodiment of the present invention
  • Figure 5 is a side view of the intermediate support unit in the floating photovoltaic power generation system according to an embodiment of the present invention
  • Figure 6 is a front view of the intermediate support unit in the floating photovoltaic power generation system according to an embodiment of the present invention
  • FIG. 7 is a reference view for explaining a tray, a vegetation base material, and a perch for birds provided in an intermediate support unit in a floating photovoltaic power generation system according to an embodiment of the present invention.
  • FIG. 8 is a reference view showing aquatic plants growing from the vegetation base material of the intermediate support unit in the water photovoltaic power generation system according to an embodiment of the present invention.
  • intermediate support unit 110 frame assembly
  • roller 140 inspection box housing
  • suspension cable 171 cable holder
  • EC transmission cable 200: floating photovoltaic power generation unit
  • first and second may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.
  • all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in this application, they are not interpreted in an ideal or excessively formal meaning. .
  • Figure 2 is an overall configuration diagram of a floating photovoltaic power generation system according to an embodiment of the present invention
  • Figure 3 is a perspective view of an intermediate support unit in the floating photovoltaic power generation system according to an embodiment of the present invention
  • Figure 4 is a view of the present invention It is a plan view of the intermediate support unit in the water photovoltaic power generation system according to the embodiment
  • Figure 5 is a side view of the intermediate support unit in the water photovoltaic power generation system according to the embodiment of the present invention
  • Figure 6 is according to the embodiment of the present invention It is a front view of the intermediate support unit in the floating photovoltaic system.
  • the floating photovoltaic power generation system consists of a floating photovoltaic power generation unit 200, a power transmission cable (EC), an intermediate support unit 100, and a suspension cable as main components, , Effectively suppressing the access of birds in an eco-friendly way to provide a resting place for birds near the floating photovoltaic power generation unit (200) while preventing the transmission cable (EC) from being damaged by rough obstacles existing on the underwater ground or underwater ground By doing so, the floating photovoltaic power generation unit 200 is configured to be safely protected without being damaged.
  • the water photovoltaic power generation unit 200 is composed of a plurality of solar panels and a frame assembly and a float for supporting them on water, as is generally known to generate electricity on water.
  • the intermediate support unit 100 serves to mount the suspension cable 170 and the transmission cable (EC) so that they do not sink while floating on the water at a point between the floating photovoltaic power generation unit 200 and the land. To this end, the intermediate support unit 100 is installed in a form crossing the frame assembly 110, the float 120 for floating the frame assembly 110 on the water, and the upper surface of the frame assembly 110, and the transmission cable (EC) and a tray 130 for guiding the suspension cable 170 through the inside.
  • both ends of the tray 130 are formed in a curved shape bent toward the water surface as shown in FIGS. 3 and 5 to prevent sudden bending of the suspension cable 170 and transmission cable EC.
  • a plurality of rollers 131 are installed along the longitudinal direction of the tray 130. According to the configuration in which the plurality of rollers 131 are installed, the suspension cable 170 and the transmission cable EC mounted while penetrating the tray 130 can be easily transported in the forward and backward directions if necessary. The transfer of the suspension cable 170 and the transmission cable EC is performed at the time of initial installation and when inspection and maintenance are required in the middle of use.
  • the intermediate support unit 100 can be easily moved in the forward and backward directions along the suspension cable 170 and the transmission cable EC. As such, moving the intermediate support unit 100 forward and backward is necessary when correcting the position of the intermediate support unit 100 to an optimal position between the water photovoltaic power generation unit 200 and the land.
  • a check box housing 140 is provided so that a tray 130 passes therein, and a suspension cable 170 and a transmission cable are installed in the check box housing 140.
  • (EC) is installed in a state in which a part of the tray 130 is opened so that it is exposed. According to this configuration, it is possible to inspect and repair damaged parts while transporting the suspension cable 170 and the transmission cable EC within the inspection box housing 140.
  • the inspection box housing 140 can be utilized as a warehouse or junction box for storing tools and the like. It is preferable that the roof of the check box housing 140 is formed in a slightly convex shape at the center so that moisture does not accumulate and flows down.
  • the frame assembly 110 of the intermediate support unit 100 is provided with an open area that is open vertically, and a vegetation substrate 150 is installed below the open area.
  • the vegetation base material 150 is installed at a height capable of absorbing moisture in a state in which a lower part is submerged in water. This allows aquatic plants to grow abundantly from the vegetation base material 150 as shown in FIG. 8 .
  • a green environment is created on the surface of the water, making it possible to create a beautiful natural scenery with the feeling of an artificial island, and to attract birds naturally.
  • the vegetation base material 150 is manufactured by rolling a mat made of a moisture-absorbing material made of coconut shell into a cylindrical unit to form a cylindrical unit, and then connecting them in a mattress shape.
  • a perch 160 for birds is installed on the intermediate support unit 100 in a form crossing the open area of the frame assembly 110 from the upper side.
  • One of the bird perches 160 is supported by a pair of support pillars 161 spaced apart from each other.
  • a plurality of perches 160 for birds are installed in the intermediate support unit 100 so that a large number of birds can sit on them. In this way, aquatic plants grow in the intermediate support unit 100 to adjust a beautiful green environment, and even install a plurality of perches 160 for birds to perform the function of a habitat where a large number of birds can stay or live.
  • the suspension cable 170 is connected from the floating photovoltaic power generation unit 200 in which the solar panel is installed to the land, but other parts are connected to the land via the intermediate support unit 100 floating on the water surface. It is draped in water and connected in a floating state. In this state, the suspension cable 170 supports the transmission cable EC so that it does not sink and floats in the water via the cable holder 170a.
  • the plurality of cable holders 170a are spaced apart from each other along the length direction of the suspension cable 170 so that the transmission cable EC suspended in water can be supported by the suspension cable 170 from above.
  • two suspension cables 170 are provided side by side, and the cable holder 170a is mounted in a V-shape with both ends fastened to the pair of suspension cables 170 to stabilize one transmission cable EC.
  • the transmission cables (EC) are not bundled together as a lump in close contact with the suspension cables (170), but are hung at a distance from the lower side of the suspension cables (170) by the cable holders (170a). Therefore, while flexible relative displacement is allowed between the transmission cable EC and the suspension cable 170, even if one of the transmission cable EC and the suspension cable 170 is momentarily displaced, no impact or damage is applied to the other one.

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Abstract

La présente invention se rapporte à un système de génération d'énergie photovoltaïque présentant un câble de transmission suspendu sous l'eau, le câble de transmission étant empêché d'être endommagé par le fond marin ou des obstacles rugueux existant sur le fond marin, et l'approche des oiseaux est supprimée d'une manière écologique en fournissant un refuge à des oiseaux à proximité d'une unité de génération d'énergie photovoltaïque en mer, protégeant ainsi l'unité de génération d'énergie photovoltaïque en mer de manière sûre contre un endommagement. Le système comprend : une unité de génération d'énergie photovoltaïque en mer présentant une plaque de cellule solaire de façon à produire de l'électricité par génération d'énergie photovoltaïque tout en flottant sur l'eau ; un câble de transmission connecté de la plaque de cellule solaire à un réseau électrique terrestre pour transmettre de l'électricité générée par la plaque de cellule solaire à un emplacement terrestre ; une unité de support intermédiaire flottant sur l'eau au niveau d'un point entre l'unité de génération d'énergie photovoltaïque en mer et l'emplacement terrestre ; et un câble suspendu connecté de la plaque de cellule solaire à l'emplacement terrestre et tenu par l'intermédiaire de l'unité de support intermédiaire flottant sur l'eau de telle sorte que d'autres parties sont accrochées et suspendues sous l'eau, permettant ainsi de supporter le câble de transmission de façon à être suspendu sous l'eau sans couler.
PCT/KR2023/001506 2022-02-04 2023-02-02 Système de production d'énergie photovoltaïque présentant un câble de transmission suspendu sous l'eau WO2023149726A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0015053 2022-02-04
KR1020220015053A KR20230118426A (ko) 2022-02-04 2022-02-04 송전케이블을 수중에서 현수하는 태양광 발전시스템

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117117767A (zh) * 2023-10-18 2023-11-24 江苏乾艺远景新能源科技有限公司 用于光储充的电力输送结构

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Publication number Priority date Publication date Assignee Title
US20090133732A1 (en) * 2007-11-26 2009-05-28 Chih-Yu Hsia Floating solar power collectors and application means
KR101595912B1 (ko) * 2015-10-20 2016-02-19 주식회사 리온텍 수상 태양광 발전용 부력구조물
KR101642386B1 (ko) * 2015-12-07 2016-07-26 운지파워텍(주) 수상태양광발전시스템
KR101915140B1 (ko) * 2018-01-16 2018-11-06 임용택 원격조정이 가능한 수질정화 및 수상 태양 발전시스템
KR20200027150A (ko) * 2018-09-04 2020-03-12 엘에스전선 주식회사 수상 태양광용 전력 케이블

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101241452B1 (ko) 2012-10-10 2013-03-27 한국수자원공사 송전 케이블의 단선 방지 구조를 갖는 수상 태양광 발전장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090133732A1 (en) * 2007-11-26 2009-05-28 Chih-Yu Hsia Floating solar power collectors and application means
KR101595912B1 (ko) * 2015-10-20 2016-02-19 주식회사 리온텍 수상 태양광 발전용 부력구조물
KR101642386B1 (ko) * 2015-12-07 2016-07-26 운지파워텍(주) 수상태양광발전시스템
KR101915140B1 (ko) * 2018-01-16 2018-11-06 임용택 원격조정이 가능한 수질정화 및 수상 태양 발전시스템
KR20200027150A (ko) * 2018-09-04 2020-03-12 엘에스전선 주식회사 수상 태양광용 전력 케이블

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117117767A (zh) * 2023-10-18 2023-11-24 江苏乾艺远景新能源科技有限公司 用于光储充的电力输送结构
CN117117767B (zh) * 2023-10-18 2023-12-26 江苏乾艺远景新能源科技有限公司 用于光储充的电力输送结构

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