CN109110071A - A kind of design method of underwater immersion photovoltaic generating system - Google Patents
A kind of design method of underwater immersion photovoltaic generating system Download PDFInfo
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- CN109110071A CN109110071A CN201810954580.6A CN201810954580A CN109110071A CN 109110071 A CN109110071 A CN 109110071A CN 201810954580 A CN201810954580 A CN 201810954580A CN 109110071 A CN109110071 A CN 109110071A
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- 238000005260 corrosion Methods 0.000 claims abstract description 4
- 238000007667 floating Methods 0.000 claims description 14
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- 238000009434 installation Methods 0.000 claims description 5
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
- B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
- B63B43/14—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using outboard floating members
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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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4453—Floating structures carrying electric power plants for converting solar energy into electric energy
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
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- Structural Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of design methods of underwater immersion photovoltaic generating system, comprising the following steps: (1) carries out type selecting to solar components battery, determine the relative position of Miniature inverter and transformer；(2) comprehensively consider influence of the water to solar radiation, design solar components optimum depth submerged in water；(3) sinking device needed for the submergence of underwater immersion photovoltaic generating system is designed；(4) specification, the shape of sinking device are calculated according to required buoyancy, cable duct design requirement；(5) connection type between sinking device and sinking device, sinking device and bracket, bracket and photovoltaic module is designed；(6) according to the geographical conditions of local waters stormy waves, the design and arrangement and planning cable passage, maintenance channel of photovoltaic array are carried out；(7) fixed form of the system in water is designed；(8) the waterproof anti-corrosion design of system；(9) lightning protection structure of the photovoltaic system is designed.
Description
Technical field
The present invention relates to a kind of design methods of underwater immersion photovoltaic generating system, belong to technical field of photovoltaic power generation.
Background technique
Floatation type photovoltaic generating system has been had already appeared on the water surface at present, because the water surface is cheaper than land price, so its
Growth momentum is swift and violent, but with water surface photovoltaic is greatly developed, finding it, there are many problems, especially in environmental protection and water
It is prominent to produce cultivation field question.Such as floatation type photovoltaic generating system is to swim in the buoyancy tank on the water surface as buoyancy carrier,
But the buoyancy tank swum on the water surface occupies a large amount of water surface, reduces the contact area of the water surface and air, in water
Oxygen content and temperature, which distribute, all to be affected, and brings destructive disaster to the aquaculture in water；There are also floatation type photovoltaic electrics
The photovoltaic module surface stood is easy dust stratification, and dust accretions excessively will affect the photoelectric conversion efficiency of photovoltaic module.
The solution that this invention influences underwater immersion photovoltaic plant as minimum environment, because they can keep away
Exempt from or reduce environment influence.Thermal drift effect, cleaning problems can also be eliminated and improve efficiency simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of design methods of underwater immersion photovoltaic generating system, in existing floatation type
Photovoltaic generating system is technically optimized, thus reach reduce environment influence, eliminate thermal drift effect, cleaning problems and
Improve the target of generating efficiency.
The purpose of the present invention is what is reached by designing as follows: a kind of design side of underwater immersion photovoltaic generating system
Method, main packet following steps:
(1) type selecting is carried out to solar components battery, determines the relative position that Miniature inverter and transformer are placed；
(2) comprehensively consider influence of the water to solar radiation, design photovoltaic module optimum depth submerged in water；
(3) sinking device needed for the submergence of underwater immersion photovoltaic generating system is designed；
(4) specification, the shape of selected sinking device are calculated according to required buoyancy, cable duct design requirement；
(5) connection type between sinking device, between sinking device and bracket, bracket and photovoltaic module is designed；
(6) according to the geographical conditions of local waters stormy waves, carry out photovoltaic array design and arrangement and planning cable passage,
Maintenance channel；
(7) fixed form of underwater immersion photovoltaic generating system in water is designed；
(8) waterproof anti-corrosion design is carried out to underwater immersion photovoltaic generating system；
(9) lightning protection structure of underwater immersion photovoltaic generating system is designed.
Preferably, in the step (1) solar components battery type selecting, amorphous silicon thin-film solar cell should be selected；
When the sum of the increased cost of cable and the economic benefit of generated energy loss are greater than the device for placing inverter and transformer
When construction cost, inverter and transformer are placed on to the geometric center of photovoltaic array, otherwise inverter and transformer are placed
On bank.
Preferably, it in the step (2), is closed according to the energy production of the submergence of photovoltaic module in water and PV module
When system is designed, it is ensured that the gain due to caused by lower temperature has been largely overcoming due to caused by radiation absorption
Small loss；When photovoltaic system is located on the fresh water bodies such as lake and reservoir, water depth is designed 5 between 15cm；
When photovoltaic system is located at saline waters, water depth will be lower than 5cm, and efficiency just will increase obviously.
Preferably, in the step (3), sinking device should be used to support solar components or bracket, be also used for being laid with
Cable and construction maintenance channel, the sinking device include dive under water box sinking device and float-type sinking device；
Box sinking device of diving under water refers to that the buoyancy carrier using caisson as immersion photovoltaic plant, caisson are in the water surface
In the water area set below, by the mounting bracket on support rod come installation photovoltaic component, it is used for the biggish region of stormy waves,
When wind scale is at 5 grades or more, 10 ~ 28m/s of wind speed, wave height belongs to the biggish region of stormy waves within 9m；
Float-type sinking device, which refers to, is mounted on the general frame with enough buoyancy floating drums for photovoltaic array in the following, floating drum is by light
Photovoltaic array surrounds, and since floating drum is swum on the water surface, is used for the lesser region of stormy waves；When wind scale is within 5 grades, wind speed is in 10m/
When within s, wave height belongs to the lesser region of stormy waves within 2m.
The shape of sinking device should be conducive to transport and installation；The material of sinking device should select high density polyethylene (HDPE).
Preferably, it in the step (4), is connected between sinking device using "-" type or T font, and even using elasticity
Connect device connection；
Preferably, in the step (5), when locality belongs to waters stormy waves lesser geographical conditions, vertical, arranged in rows photovoltaic group
Part string；When the biggish geographical conditions of local waters stormy waves, laterally, single arrangement photovoltaic module string；The width of the maintenance channel
For 20cm to 60cm；
Preferably, solid using piled anchor when system is located at shallow water area in the step (6)；When system is located at deepwater field, adopt
With the anchoring of multiple counterweights, the anchoring of dedicated anchor.
Preferably, in the step (8), the conductive materials such as conductive adhesive tape composition faraday cup is sticked in component backboard, so
The earthing pole for being accessed anchor system afterwards or having been buried in advance, as earthing or grounding means.
The utility model has the advantages that the design method of underwater immersion photovoltaic generating system provided by the invention has comprehensively considered photovoltaic hair
The features such as geographical environment, water depth locating for electric system, stormy waves factor and each component layout form, optimize and improve the water surface
Floatation type photovoltaic generating system proposes a set of more detailed complete design scheme.This method can be used to design a kind of underwater
Immersion photovoltaic generating system using maximization of economic benefit as target, while also being proposed from the angle estimator generating efficiency of science
The design of underwater fixed form, waterproof and anticorrosion arbor and lightning protection structure, reaches the influence for avoiding or reducing environment, simultaneously also
Thermal drift effect, cleaning problems can be eliminated and improved efficiency.
Detailed description of the invention
Fig. 1 is a kind of flow chart of underwater immersion photovoltaic generating system design method of the present invention；
Fig. 2 is box sinking device structure diagram of diving under water；
Fig. 3 is float-type formula sinking device structure diagram；
Fig. 4 is embodiment designing system schematic diagram.
The box sinking device of 1- diving；2- float-type sinking device；3- maintenance channel；4- steel strand wires；5- stake on the bank；6- light
Photovoltaic array；7- elastomeric connector；8- earthing pole；9- water surface curve.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments, be described below be only used for it is clearer
Ground illustrates design method of the invention, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, a kind of design method of underwater immersion photovoltaic generating system of the present invention, includes the following steps:
(1) type selecting is carried out to solar components battery, determines the relative position that Miniature inverter and transformer are placed；It should select non-
Polycrystal silicon film solar battery, because its own weight is a an important factor for can not ignore, and film for the system
The thickness of battery is only the 1/300 of crystal silicon battery, greatly reduces the consumption of raw material and it has preferably low light intensity
It adapts to；When Miniature inverter and transformer are located at the geometric center of photovoltaic array, the dosage of direct current cables is most saved, and is accessed same
The output voltage consistency of the photovoltaic module string of a photovoltaic combiner box is preferably also, therefore the generated energy of photovoltaic plant is higher than inverter
The mode on bank is placed in transformer；When Miniature inverter and transformer are placed in bank, without building sinking device for them,
But the dosage for considerably increasing direct current cables also reduces the generated energy of photovoltaic plant.
(2) comprehensively consider influence of the water to solar radiation, design solar components optimum depth submerged in water；According to
When the energy production relationship of the submergence of photovoltaic module in water and PV module is designed, it is ensured that since lower temperature draws
The gain risen has been largely overcoming the small loss due to caused by radiation absorption；When photovoltaic system is located at such as lake and water
On the fresh water bodies such as library, water depth is designed 5 between 15cm,；When photovoltaic system is located at saline waters, water depth is wanted
Lower than 5cm, efficiency just be will increase obviously.Specific submergence need to choose one piece of photovoltaic panel according to local temperature and water condition
Carry out test determination.
(3) pattern of sinking device needed for designing underwater immersion photovoltaic generating system submergence.Sinking device was both used for
Solar components or bracket are supported, be also used for being laid with cable and builds maintenance channel；Sinking device includes box sinking dress of diving under water
Set (such as Fig. 2) and float-type sinking device (such as Fig. 3).Box sinking device of diving under water refers to using caisson 1-1 as immersion
The buoyancy carrier of photovoltaic plant, caisson 1-1 are in the water area that the water surface or less is set, and pass through the peace on support rod 1-2
Dress bracket 1-3 carrys out installation photovoltaic component, is used for the biggish region of storm load；Float-type sinking device, which refers to, pacifies photovoltaic array
Mounted in the general frame 2-2 with enough buoyancy floating drum 2-1 in the following, floating drum 2-2 surrounds photovoltaic array.Because floating drum 2-1 floats
It floats on the surface, therefore is used for the lesser region of stormy waves.
Specification, the material of designed sinking device are calculated according to required buoyancy, cable duct design requirement.According to photovoltaic
The weight such as component, bracket, staff, cable calculate photovoltaic array required for buoyancy, and according to the quantity of sinking device come
Calculating each sinking device needs buoyancy to be offered, and the volume of each sinking device is designed according to buoyancy and engineering cost；Sink
The shape of device should be conducive to transport and installation；The material of sinking device should select high density polyethylene (HDPE), the uvioresistant of this material
Line and anticorrosive degree are relatively high, and to the less pollution of water body.
(4) connection side between sinking device and sinking device, sinking device and bracket, bracket and photovoltaic module is designed
Formula.In view of the influence of wave and wind-force, the connection between sinking device and sinking device uses non-rigid connection, but should make phase
The stabilization of photovoltaic module is not influenced on movement；In addition it is connected between sinking device using "-" type or T font, and adds elasticity
Connector 7 connects, and elastomeric connector 7 has the intensity and elasticity of setting, can make the mould of underwater immersion photovoltaic generating system
It will not damage, will not drift because of the influence of water flow or wind-force because of collision between block.Sinking device and bracket, bracket with
Rigid connection is preferably used between photovoltaic module, reduces relative motion.
(5) according to geographical conditions such as local waters stormy waves, carry out photovoltaic array design and arrangement and planning cable it is logical
Road, maintenance channel.When locality belongs to waters stormy waves small geographical conditions, vertical, arranged in rows photovoltaic module string；Local waters wind
When the geographical conditions that the wave is high, lateral, single arrangement photovoltaic module string；The array arrangement of component is particularly significant, in order to reduce to the greatest extent
Cable uses and reduces array scale, and electrical fitting is only used at each column solar battery string and Central Transmission channel.
Different from ground photovoltaic plant, underwater immersion photovoltaic generating system do not have ready-made ground can be used to be laid with cable passage and
Maintenance channel, therefore the quantity of cable passage and maintenance channel should be reduced under conditions of facilitating operation maintenance as far as possible, and is tieed up
Repairing channel and being designed as 20 to 60cm is advisable, and cable passage is with cable laying width requirement.
Judge whether to meet stress, meet the requirements, be to continue, otherwise return step (2).
(6) fixed form of the system in water is designed.When system is located at shallow water area and closer offshore side, by steel strand wires
Or hawser is connected with spud pile on the bank；When system is located at deepwater field, anchored using the anchoring of multiple counterweights, dedicated anchor.First
Counterweight anchor block or dedicated anchor are placed in the bottom according to certain position, underwater immersion generation platform is preliminary by the position of anchor block
It is located in relative position, is fixed in place using anchor chain, is connected to anchor chain and anchor block finally by tension spring
Together.
(7) the waterproof anti-corrosion design of system.It is all electrical in component and array in underwater immersion electricity generation system
Original part requires to install waterproof construction in advance, and the lapping of cable uses polyurethane, all appliance contacts and connecting element
It is all encapsulated in the protective device of polyurethane composition, the electric elements for being exposed to outside use ocean grade silica gel sealing.
(8) lightning protection structure of the photovoltaic system is designed.The conductive materials such as conductive adhesive tape composition farad is sticked in component backboard
Cage, the faraday cup can replace arrester, then be accessed anchor system or the in advance earthing pole that has buried, as connecing
Ground device；Electric part can be using the metal shell of the equipment such as inverter as arrester, then in the week of these electrical equipments
The earthing pole for connecting conductive material access anchor system or having buried in advance is enclosed, as earthing or grounding means.
Embodiment: the underwater immersion photovoltaic generating system of 30kW is designed in lake.
Assuming that the photovoltaic system location photovoltaic utilizes hourage about 300 hours, it is known that this electricity generation system capacity is smaller,
Occupied area is also smaller simultaneously, if being placed among photovoltaic array, will lead to income less than cost, therefore inverter and transformer
It is mounted on lakeside on the bank.When designing best submergence, this lake is fresh water body, using 1cm as step value, is guaranteed due to compared with low temperature
Gain caused by spending is largely overcoming the small loss due to caused by radiation absorption, analyzes the pass of submergence and generated energy
System can obtain, and when submergence is when within 15cm, the energy value of PV module be increased, by choosing one piece of photovoltaic panel in this lake
Test experiments are carried out in pool, record generated energy can obtain the best submergence of water layer.
As shown in figure 4, when the pattern of design sinking device, choosing all smaller according to region stormy waves and load locating for this lake
Float-type sinking device 2 is selected, and floating drum 2-1 uses uvioresistant and the higher material of anticorrosive degree such as high density polyethylene (HDPE).
According to the size and weight for the photovoltaic module installed, while considering to carry out buoyancy calculations in the case that 2 workers work at the same time,
To calculate floating drum 2-1 volume according to buoyancy and engineering cost, and each floating drum 2-1 is distributed to, by light after floating drum 2-1 connection
Photovoltaic array 6 surrounds.The ground stormy waves is smaller, when photovoltaic module string is arranged, is vertically arranged using multiple rows of, and make to reduce cable
With with reduce array scale, electrical fitting is only used at each row's solar components string and centre gangway transmission, maintenance is logical
Road 3, which is designed as 20cm, to be advisable, and cable passage is with cable laying width requirement.Using elasticity between float-type sinking device 2
Connector 7 connects.Examine whether the system meets stress, meets the requirements at this time, if not satisfied, redesign submergence followed by
Continuous design；If satisfied, designing the fixed form of the system in water.The system is located at shallow water area and offshore side is closer, and steel is twisted
Line or hawser are connected with spud pile 5 on the bank, and the other end of steel strand wires or hawser 4 is connected on floating drum 2-1.In the system
All electrical components in component and array require to install waterproof construction in advance, and the lapping of cable uses polyurethane,
All appliance contacts and connecting element are all encapsulated in the protective device of polyurethane composition, and the electric elements for being exposed to outside use
Ocean grade silica gel sealing.When carrying out lightning protection structure design, the conductive materials such as conductive adhesive tape composition faraday is sticked in component backboard
Then cage is accessed the earthing pole 8 buried in advance on bank, as earthing or grounding means；Electric part is by the gold of the equipment such as inverter
Belong to shell as arrester, the earthing pole that conductive material access bank has been buried in advance is then connected around these electrical equipments
8, as earthing or grounding means.
Other unspecified parts are the prior art, and all of above parameter can be by consulting handbook or calculating
It obtains.The present invention is not strictly limited to above-described embodiment.The foregoing is merely the particular embodiment of the present invention, are not used to
The limitation present invention.Any modification, equivalent replacement and improvement for being made all within the spirits and principles of the present invention etc., all in this hair
Within bright protection scope.
Claims (8)
1. a kind of design method of underwater immersion photovoltaic generating system, which is characterized in that it is mainly comprised the steps that
Type selecting is carried out to solar components battery, determines the relative position that Miniature inverter and transformer are placed；
Comprehensively consider influence of the water to solar radiation, design photovoltaic module optimum depth submerged in water；
Sinking device needed for the submergence of underwater immersion photovoltaic generating system is designed；According to required buoyancy, cable
Ditch design requirement calculates specification, the shape of selected sinking device；
It designs between sinking device, the connection type between sinking device and bracket, bracket and photovoltaic module；
According to geographical conditions, the design and arrangement and planning cable passage, maintenance channel of photovoltaic array are carried out；
Design the fixed form of underwater immersion photovoltaic generating system in water；
The waterproof anti-corrosion design of underwater immersion photovoltaic generating system；
Design the lightning protection structure of underwater immersion photovoltaic generating system.
2. a kind of underwater immersion photovoltaic generating system according to claim 1, it is characterised in that: in the step (1)
The type selecting of solar components battery should select amorphous silicon thin-film solar cell；When the increased cost of cable and generated energy are lost
The sum of economic benefit when being greater than the construction cost of the device for placing inverter and transformer, inverter and transformer are put
The geometric center in photovoltaic array is set, otherwise inverter and transformer are placed on bank.
3. a kind of design method of underwater immersion photovoltaic generating system according to claim 1, it is characterised in that: described
In step (2), when system is located on fresh water body, water depth is designed 5 between 15cm；When system is located at saline waters
When, water depth will be lower than 5cm.
4. a kind of design method of underwater immersion photovoltaic generating system according to claim 1, it is characterised in that: described
In step (3), the sinking device includes dive under water box sinking device and float-type sinking device；
Box sinking device of diving under water refers to that the buoyancy carrier using caisson as immersion photovoltaic plant, caisson are in the water surface
In the water area set below, by the mounting bracket on support rod come installation photovoltaic component, it is used for the biggish region of stormy waves,
When wind scale is at 5 grades or more, 10 ~ 28m/s of wind speed, wave height belongs to the biggish region of stormy waves within 9m；
Float-type sinking device, which refers to, is mounted on the general frame with enough buoyancy floating drums for photovoltaic array in the following, floating drum is by light
Photovoltaic array surrounds, and since floating drum is swum on the water surface, is used for the lesser region of stormy waves；When wind scale is within 5 grades, wind speed is in 10m/
When within s, wave height belongs to the lesser region of stormy waves within 2m.
5. a kind of design method of underwater immersion photovoltaic generating system according to claim 1, it is characterised in that: described
It in step (4), is connected between sinking device using "-" type or T font, and is connected using elastomeric connector.
6. a kind of design method of underwater immersion photovoltaic generating system according to claim 1, it is characterised in that: described
In step (5), when locality belongs to waters stormy waves lesser geographical conditions, vertical, arranged in rows photovoltaic module string, when wind scale is 5
Within grade, for wind speed when within 10m/s, wave height belongs to the lesser region of stormy waves within 2m；Local waters stormy waves is biggishly
When manage bar part, lateral, single arrangement photovoltaic module string, when wind scale is at 5 grades or more, 10 ~ 28m/s of wind speed, wave is high within 9m,
Belong to the biggish region of stormy waves；The width of the maintenance channel is 20cm to 60cm.
7. a kind of design method of underwater immersion photovoltaic generating system according to claim 1, it is characterised in that: described
It is solid using piled anchor when system is located at the waters for having bank in step (6)；When system is located at the waters without bank, matched using multiple
Weight anchor is consolidated, dedicated anchor anchors.
8. a kind of design method of underwater immersion photovoltaic generating system according to claim 1, it is characterised in that: described
Lightning protection structure in step (8) is as follows: sticking conductive adhesive tape in component backboard, is then accessed anchor system or buried in advance
Good earthing pole, as earthing or grounding means.
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