CN110277959A - A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating - Google Patents
A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating Download PDFInfo
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- CN110277959A CN110277959A CN201910590415.1A CN201910590415A CN110277959A CN 110277959 A CN110277959 A CN 110277959A CN 201910590415 A CN201910590415 A CN 201910590415A CN 110277959 A CN110277959 A CN 110277959A
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Classifications
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02E10/52—PV systems with concentrators
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- Photovoltaic Devices (AREA)
Abstract
A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating, the present invention relates to a kind of applications of reflectance coating.It solves the problem of existing photovoltaic power generation photoelectric conversion efficiency is low, and photovoltaic DC-to-AC converter service life is low and influences generated energy.Application of the reflectance coating in increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency, the reflectance coating are set to roofing basal layer or inverter cabinet surface.Reflectance coating of the invention can reduce by 5 DEG C~25 DEG C of roof surface temperature, to reduce photovoltaic power generation plate temperature, increase roofing photoelectric conversion efficiency, can increase roofing distributed photovoltaic photoelectric conversion efficiency 1%~6%.5 DEG C of inverter in-cabinet temperature or more can be reduced.Increase cabinet inner electronic equipment service life 2 years or more, increase by 0.3%~1.5% photovoltaic power generation quantity, reduces equipment fault.It radiates without opening the door, saves maintenance maintenance cost.The present invention is suitable for distributed photovoltaic power generation system.
Description
Technical field
The present invention relates to a kind of applications of reflectance coating.
Background technique
National Power Industry Statistics data in 2018 of National Energy Board's publication show, by 2018, grid-connected solar energy
174.63GW.Wherein, solar energy in 2018 is newly equipped with 44.38GW, falls 18% on a year-on-year basis, and centralization about 23GW is fallen on a year-on-year basis
31%, distribution about 20GW increase by 5% on a year-on-year basis.Distributed photovoltaic industry is in incrementally to increase.
Roofing distributed photovoltaic problems faced:
1, low efficiency, payoff period is long, such as the first year decaying 2.5% of polysilicon photovoltaic module, declines 0.7% year by year later.
2, when the temperature is excessively high, solar cell photoelectric conversion ratio reduces photovoltaic module, while reducing making for electronic component
Use the service life.
3, photovoltaic DC-to-AC converter is one of the core component in photovoltaic system, it is not only needed DC conversion into exchange
Electricity, also by whole system operating condition feed back to user its aging effects the normal work in entire power station, general machine
Skin temperature of generating heat after operation is between 45 DEG C~55 DEG C, and in summer ambient temperature up to 38 DEG C, inverter is in most cases
Skin temperature is at 60 DEG C or so.And the heat dissipation performance of inverter influences maximum to device lifetime.Inverter internal is powerful
Electronic component, is highly prone to the influence of operating temperature, and product generally requires to be 0 DEG C~55 DEG C.If inverter is mounted on inverter
In cabinet, cabinet body top should be mounted on.Component in inverter has specified operating temperature, if inverter heat dissipation performance
Poor, when inverter continues working, portion collects the heat of component in the cavity always, and temperature can be higher and higher.Temperature
Component performance and service life can be reduced by spending height, and machine is easy to appear failure.Inverter generates heat when working, and generates power loss,
Such as one inverter of 5kW, system thermal losses is about 75W~125W, influences photovoltaic system generated energy.
Summary of the invention
The invention solves existing photovoltaic power generation photoelectric conversion efficiency is low, photovoltaic DC-to-AC converter service life is low and influences power generation
The problem of amount, and a kind of application for increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating is provided.
A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating: reflectance coating is increasing room
Application in EDS maps formula photovoltaic generating system photoelectric conversion efficiency;
The reflectance coating is metallic reflective coating, dielectric reflectance coating, inter metal dielectric reflectance coating, aluminium foil thermal insulating coiled material, receives
It is rice air bag reflection film, TPO coiled material, energetic reflection film, nanofiber aerogel, nanoporous aerogel insulation felt, red
Outer stealthy cover or nano vacuum thermal insulation board.
The reflectance coating is laid with or is pasted on roofing basal layer;
The reflectance coating is laid with or is pasted on the inverter cabinet surface of roofing distributed photovoltaic power generation system.
The beneficial effects of the present invention are:
Solar battery theoretical efficiency is determined by following formula:
Its value is dependent on the maximum value of open-circuit voltage Voc, short circuit current Isc and fill factor FF.The present invention can increase
The value of photovoltaic battery panel open-circuit voltage Voc, short circuit current Isc, to improve the photoelectric conversion efficiency of photovoltaic power generation.
Reflectance coating of the present invention has excellent reflecting properties, can effective reflected sunlight.Reflectivity 60%~
It between 95%, substantially include whole absorption bands of photovoltaic battery panel, these wave bands that roofing is reflected back are through the air
Moisture refraction forms the effective rays atmosphere of a 1.5m high in roofing, so that photovoltaic panel multiple reflections is absorbed effective rays, in turn
Increase the intensity of illumination of solar panel, increase the value of short circuit current Isc, promotes photovoltaic generating system photoelectric efficiency.
Ambient temperature increases the raising that will lead to photovoltaic battery temperature, and solar battery temperature is every to increase by 1 DEG C, short circuit
Electric current Isc is influenced less by temperature change, and open-circuit voltage Voc about reduces 5mV, and photoelectric conversion efficiency value can reduce 0.4%
~0.5%.Reflectance coating of the present invention can reduce by 5 DEG C~25 DEG C of roof surface temperature, to reduce photovoltaic power generation plate temperature
Degree increases roofing photoelectric conversion efficiency, can increase roofing distributed photovoltaic photoelectric conversion efficiency 1%~6%.
Photovoltaic DC-to-AC converter surface is laid with or pastes reflectance coating of the present invention, antiseptic and rustproof erosion.Reduce cabinet body surface temperature
Degree, reaching reduces in-cabinet temperature purpose, can reduce by 5 DEG C of in-cabinet temperature or more.Increase cabinet inner electronic equipment service life 2 years with
On, increase by 0.3%~1.5% photovoltaic power generation quantity, reduces equipment fault.It radiates without opening the door, saves maintenance maintenance cost.
The present invention is suitable for distributed photovoltaic power generation system.
Detailed description of the invention
Fig. 1 is that present invention increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating is layed in coagulation soil matrix
Structural schematic diagram between material or coiled material substrate roofing basal layer and photovoltaic power generation plate, wherein 1 indicates photovoltaic power generation plate, 2 are indicated
Photovoltaic bracket, 3 indicate roofing basal layer, and 4 indicate reflectance coating;
Fig. 2 is that present invention increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating is layed in metal base
Structural schematic diagram between roofing basal layer and photovoltaic power generation plate, wherein 1 expression photovoltaic power generation plate, 2 expression photovoltaic brackets, 3
Indicate roofing basal layer, 4 indicate reflectance coating;
Fig. 3 is that present invention increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating is pasted on roofing distribution
The structural schematic diagram on the inverter cabinet surface of formula photovoltaic generating system, wherein a indicates roofing distributed photovoltaic power generation system
Inverter cabinet surface, b indicate reflectance coating.
Specific embodiment
Specific embodiment 1: a kind of increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency of present embodiment is anti-
Penetrate the application of film: reflectance coating is increasing the application in roofing distributed photovoltaic power generation system photoelectric conversion efficiency.
Reflectance coating described in present embodiment with photovoltaic power generation is mating forms high sun luminous reflectance layer, effectively reflect
Sunlight.Roofing temperature is positively retained within the scope of photovoltaic generating system optimum working temperature, and facilitates more sunlight hairs
Solar panels are mapped to, photovoltaic efficiency is increased, extend roofing service life.
The beneficial effect of present embodiment is:
Solar battery theoretical efficiency is determined by following formula:
Its value is dependent on the maximum value of open-circuit voltage Voc, short circuit current Isc and fill factor FF.This specific embodiment party
Formula can increase the value of photovoltaic battery panel open-circuit voltage Voc, short circuit current Isc, to improve the photoelectric conversion effect of photovoltaic power generation
Rate.
Reflectance coating described in present embodiment has excellent reflecting properties, can effective reflected sunlight.Reflectivity exists
It substantially include whole absorption bands of photovoltaic battery panel between 60%~95%, these wave bands that roofing is reflected back pass through sky
Moisture refraction in gas forms the effective rays atmosphere of a 1.5m high in roofing, penetrates the absorption of photovoltaic panel multiple reflections effectively
Line, and then increase the intensity of illumination of solar panel, increase the value of short circuit current Isc, promotes photovoltaic generating system photoelectricity effect
Rate.
Ambient temperature increases the raising that will lead to photovoltaic battery temperature, and solar battery temperature is every to increase by 1 DEG C, short circuit
Electric current Isc is influenced less by temperature change, and open-circuit voltage Voc about reduces 5mV, and photoelectric conversion efficiency value can reduce 0.4%
~0.5%.Reflectance coating of the present invention can reduce by 5 DEG C~25 DEG C of roof surface temperature, to reduce photovoltaic power generation plate temperature
Degree increases roofing photoelectric conversion efficiency, can increase roofing distributed photovoltaic photoelectric conversion efficiency 1%~6%.
Photovoltaic DC-to-AC converter surface is laid with or pastes reflectance coating of the present invention, antiseptic and rustproof erosion.Reduce cabinet body surface temperature
Degree, reaching reduces in-cabinet temperature purpose, can reduce by 5 DEG C of in-cabinet temperature or more.Increase cabinet inner electronic equipment service life 2 years with
On, increase by 0.3%~1.5% photovoltaic power generation quantity, reduces equipment fault.It radiates without opening the door, saves maintenance maintenance cost.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the reflectance coating is that metal is anti-
Penetrate film, dielectric reflectance coating, inter metal dielectric reflectance coating, aluminium foil thermal insulating coiled material, nanometer air bag reflection film, TPO coiled material, high energy
Reflectance coating, nanofiber aerogel, nanoporous aerogel insulation felt, infrared stealth cover or nano vacuum thermal insulation board.
It is other same as the specific embodiment one.
Reflectance coating described in present embodiment is the reflectance coating of reflected sunlight;The reflectance coating is commercially available finished product.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the reflectance coating is laid with
Or it is pasted on roofing basal layer.It is other the same as one or two specific embodiments.
Reflectance coating is laid with or is pasted on roofing basal layer, specially roofing basal layer and photovoltaic power generation plate in present embodiment
Between.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: the reflectance coating
It is laid with or is pasted on the inverter cabinet surface of roofing distributed photovoltaic power generation system.Other and specific embodiment one to three
One of it is identical.
Specific embodiment 5: present embodiment is unlike specific embodiment three or four: stickup is using finished product
Adhesive.It is other identical as specific embodiment three or four.
Specific embodiment 6: present embodiment is unlike specific embodiment three or four: the roofing basis
Layer is concrete substrate, coiled material substrate or metal base.It is other identical as specific embodiment three or four.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment 1:
A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating: reflectance coating is increasing room
Application in EDS maps formula photovoltaic generating system photoelectric conversion efficiency.
Reflectance coating described in the present embodiment be aluminium foil thermal insulating coiled material, by aluminium foil veneer+polyethylene film+fibrous braid+
Metal deposit is laminated by hot melt adhesive, has the function of heat-insulation and heat-preservation, waterproof, moisture-proof.The sunshine of aluminium foil thermal insulating coiled material is inhaled
Yield (solar radiation absorbility factor) is extremely low (0.07), has brilliant heat preservation and insulation, can reflect away 93% or more
Radiant heat.
It is illustrated in conjunction with Fig. 1, the present embodiment reflectance coating is layed between roofing basal layer and photovoltaic power generation plate, increases room
EDS maps formula photovoltaic generating system efficiency, method particularly includes: reflectance coating 4, photovoltaic power generation plate 1 are laid on roofing basal layer 3
3 upper surface of roofing basal layer that surface is equipped with reflectance coating 4 is set to by photovoltaic bracket 2;
The photovoltaic power generation plate 1 is in 45 degree of angles with roofing basal layer 3;
The roofing basal layer 3 is concrete substrate.
Reflectance coating described in the present embodiment is aluminium foil thermal insulating coiled material, applies the roofing distributed photovoltaic hair in concrete substrate
In electric system, installed capacity 18kw, average daily generation is 80kWh before constructing, and construction front roof temperature is 58 DEG C, construction
Daily generation is 83kWh afterwards, and roofing temperature is 42 DEG C after construction, and roof surface temperature reduces 16 DEG C, and photovoltaic power generation quantity increases
3.7%.
Embodiment 2:
A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating: reflectance coating is increasing room
Application in EDS maps formula photovoltaic generating system photoelectric conversion efficiency.
Reflectance coating described in the present embodiment is nanometer air bag reflection film, is double-layer structure, and internal layer bubble chamber film is variable to be classified as:
The materials such as the XPE of EPE foam, fire retardant performance, IXPE foam;Cooperate that surface layer lamination, single layer lamination be compound, double-deck leaching again
Properties of product, this is a kind of environment protection type heat insulating thermal insulation material, which light is easily installed;The material structure is aluminium foil
And polyethylene, it is process through special mechanical, it is tasteless nontoxic;Heat exchange pattern has radiation, conduction, three kinds of convection current, its appearance
Previous glass fibre and foaming kind material are not only solved to human body bring sense of discomfort and the harm of environment bring etc., and
And the ultraviolet light for penetrating metal, concrete, timber and common heat-barrier material and entrance room can be stopped.This heat-barrier material
The combination of, thermal property reflective by aluminum foil material and polythene material, make it not only and have good insulation, heat reflection, every
Heat, antiradiation function, but also can be played very in building construction using upper (roof, wall, floor) by the characteristic of the material
Good moisture-proof, heat preservation, energy-conserving action.90% or more thermal energy can be reflected away.
The film of nanometer air bag reflection described in present embodiment is bought from Hebei Zheng Teng thermal insulation material Co., Ltd;Trade name
Claim: novel double-layer nanometer air bag reflection film bubble chamber film.
It is illustrated in conjunction with Fig. 1, the present embodiment reflectance coating is layed between roofing basal layer and photovoltaic power generation plate, increases room
EDS maps formula photovoltaic generating system efficiency, method particularly includes: reflectance coating 4, photovoltaic power generation plate 1 are laid on roofing basal layer 3
3 upper surface of roofing basal layer that surface is equipped with reflectance coating 4 is set to by photovoltaic bracket 2;
The photovoltaic power generation plate 1 and roofing basal layer 3 is in 35 degree of angles;
The roofing basal layer 3 is coiled material substrate.
Reflectance coating described in the present embodiment is nanometer air bag reflection film, is applied on prepared roofing distributed photovoltaic power generation,
Installed capacity is 18kw, and average daily generation is 85kWh before constructing, and construction front roof temperature is 52 DEG C, daily generation after construction
For 87kWh, roofing temperature is 33 DEG C after construction, and roof surface temperature reduces 19 DEG C, and photovoltaic power generation quantity increases by 2.3%.
Embodiment 3:
A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating: reflectance coating is increasing room
Application in EDS maps formula photovoltaic generating system photoelectric conversion efficiency.
Reflectance coating described in the present embodiment is TPO coiled material, i.e. thermoplastic polyolefin waterproof roll, is using advanced
EP rubbers and the combined thermoplastic polyolefin of polypropylene (TPO) synthetic resin are base-material by polymerization technique, are added anti-
Oxygen agent, anti-aging agent, new type waterproof coiled material made of softening agent, internal reinforcing material can be made of polyester fiber grid cloth and is made
Enhancement type water-proof coiled material belongs to synthetic polymeric waterproofing material class waterproof product;With anti-aging, tensile strength is high, elongation
Greatly, moist roofing can construct, it is exposed without protective layer, the Comprehensive Characteristics such as easy for construction, pollution-free, be very suitable for as light
The waterproof layer of type energy-saving roof and large-sized workshop and environment protection architecture;Suitable for building exposed or non-exposed formula roof waterproof layer,
And easily-deformable building underground waterproof.It is particularly suitable for light section steel structure roofing, cooperates reasonable hierarchical Design and qualified construction
Quality not only reaches and mitigates roofing weight, but also has splendid energy-saving effect.
It is illustrated in conjunction with Fig. 2, reflectance coating is layed between roofing basal layer and photovoltaic power generation plate in the present embodiment, is increased
Roofing distributed photovoltaic power generation system effectiveness, method particularly includes: reflectance coating 4, photovoltaic power generation plate are laid on roofing basal layer 3
1 is set to 3 upper surface of roofing basal layer that surface is equipped with reflectance coating 4 by photovoltaic bracket 2;
The photovoltaic power generation plate 1 is arranged in parallel with roofing basal layer 3;
The roofing basal layer 3 is color steel plate metal base.
Reflectance coating described in the present embodiment is TPO coiled material, is applied on metal Roof distributed photovoltaic power generation, installed capacity
For 18kw, average daily generation is 88kWh before constructing, and construction front roof temperature is 58 DEG C, and daily generation is 90kWh after construction,
Front roof temperature of constructing is 45 DEG C, and roof surface temperature reduces 13 DEG C, and photovoltaic power generation quantity increases by 2.3%.
Embodiment 4:
A kind of application increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating: reflectance coating is increasing room
Application in EDS maps formula photovoltaic generating system photoelectric conversion efficiency.
Reflectance coating described in the present embodiment is nanofiber aerogel, and aeroge has excellent heat-proof quality, room
Under warm environment, thermal conductivity is about 0.036W/m.K, and the aerogel of 200 μ m-thicks is covered on 300 DEG C of heat source, aeroge
Surface temperature is only 220 DEG C, and the temperature difference has reached 80 DEG C.It is compound with phase-change material polyethylene glycol and carry out silicic acid anhydride, it prepares
Aeroge/phase transformation laminated film out, the phase transformation laminated film: (1) enthalpy of phase change is up to 179.1J/g;(2) infrared emittance and more
Ring of numbers border Background matching;(3) there is ultralow infrared transmittivity in 3 μm of -15 μm of infrared bands.Under outdoor environment (such as illumination),
It is covered without thermal objects with the laminated film, it can be achieved that infrared stealth.To persistent fever object (such as engine), propose
The composite structure that aerogel heat-proof layer is superimposed with phase transformation laminated film: this aerogel has excellent heat-proof quality, according to
Temperature difference between target and environment selects the aerogel layer of the suitable number of plies or thickness, can be reduced to temperature and environment
The infrared light of Temperature Matching, high-temperature targets transmitting can not penetrate.Realize heat insulation and heat control purpose.
Nanofiber aerogel described in present embodiment is bought from Chinese Academy of Sciences's Suzhou nanotechnology and nanometer
Bionics fiber institute.
It is illustrated in conjunction with Fig. 3, the present embodiment reflectance coating is pasted on the inverter machine of roofing distributed photovoltaic power generation system
On cabinet surface, increase roofing distributed photovoltaic power generation system effectiveness, method particularly includes: in roofing distributed photovoltaic power generation system
Inverter cabinet surface a on paste reflectance coating b;
The stickup is using finished product adhesive.
The inverter cabinet surface a of the roofing distributed photovoltaic power generation system is stainless steel material.
Reflectance coating described in the present embodiment is nanofiber aerogel, is applied in roofing distributed photovoltaic power generation system
Inverter cabinet surface on, power 18kW, construct before inverter hull-skin temperature be 50 DEG C, interior of equipment cabinet temperature be 52
Degree Celsius, daily generation 81kWh, inverter hull-skin temperature is 38 DEG C after construction, and interior of equipment cabinet temperature is 48 degrees Celsius,
Cabinet surface reduces by 12 degree, and interior of equipment cabinet temperature reduces by 4 DEG C, daily generation 80kWh, increases photovoltaic power generation quantity 1.2%.
Claims (6)
1. a kind of application for increasing roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating, it is characterised in that reflectance coating
Increasing the application in roofing distributed photovoltaic power generation system photoelectric conversion efficiency.
2. a kind of increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating according to claim 1 is answered
With, it is characterised in that the reflectance coating is metallic reflective coating, dielectric reflectance coating, inter metal dielectric reflectance coating, aluminium foil heat-insulation rolling
Material, nanometer air bag reflection film, TPO coiled material, energetic reflection film, nanofiber aerogel, nanoporous aerogel insulation felt,
Infrared stealth cover or nano vacuum thermal insulation board.
3. a kind of increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating according to claim 1 is answered
With, it is characterised in that the reflectance coating is laid with or is pasted on roofing basal layer.
4. a kind of increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating according to claim 1 is answered
With, it is characterised in that the reflectance coating is laid with or is pasted on the inverter cabinet surface of roofing distributed photovoltaic power generation system.
5. a kind of increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating according to claim 3 or 4
Application, it is characterised in that stickup is using finished product adhesive.
6. a kind of increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflectance coating according to claim 3 or 4
Application, it is characterised in that the roofing basal layer be concrete substrate, coiled material substrate or metal base.
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Cited By (1)
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CN110768613A (en) * | 2019-12-27 | 2020-02-07 | 宁波瑞凌新能源科技有限公司 | Photovoltaic system and method for improving photoelectric conversion efficiency of photovoltaic system |
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CN206993053U (en) * | 2017-05-17 | 2018-02-09 | 广东爱康太阳能科技有限公司 | A kind of double side photovoltaic battery device installed in one-storey house roof |
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