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Panourile solare sunt concepute din ce în ce mai mult despre integrarea lor arhitecturală. Placile solide reprezintă o soluție perfectă, deoarece constituie o gamă de ochelari tehnologici activi care au proprietatea de a genera energie electrică și pot fi utilizați atât în clădiri noi, cât și în renovări.
Integrarea arhitecturală a plăcilor fotovoltaice în construcții face posibilă crearea unor suprafețe vitrate care, pe lângă faptul că sunt o noutate estetică și funcțională, generează energie electrică, permițând autonomia electrică cu economiile de energie.
Solar Innova oferă produse și soluții adaptate nevoilor sectorului construcțiilor și încorporează designul în energia solară, oferind arhitecților și inginerilor posibilitatea de a uni instalația fotovoltaică cu estetica clădirii.
Panourile fotovoltaice ale Solar Innova pot fi instalate pe acoperișuri plate, înlocuind materialele convenționale.
Acest tip de soluții sunt perfecte pentru a fi utilizate în medii urbane menținând estetica și respectând valoarea istorică a mediului.
Placile noastre îndeplinesc toate cerințele de siguranță, atât flexibilitate, dublă izolare, fie rezistență ridicată la razele ultraviolete, durabilitate foarte lungă prin faptul că nu au elemente care se degradează în condițiile meteorologice și / sau mediului, din toate aceste motive. adecvat pentru utilizare în aplicații în exterior.
Materials
Solar Innova utilizează cele mai recente materiale pentru fabricarea modulelor fotovoltaice:
Glass
The front of the module contains a tempered solar glass with high transparency with high transmissivity, low reflectivity and low iron content.
The glass forms the front end of photovoltaic module and protects components housed within the laminate from the weather and mechanical stresses.
At the same time serves as carrier material in the lamination process.
A high transmittance increases the efficiency of the photovoltaic cells and thus has a direct influence on the potency and performance of the final module. A low iron content in the glass composition and an antireflection coating to reduce absorption of radiant energy.
Achieve excellent resistance against mechanical stress and temperature changes due to preload producer.
Top Encapsulant
EVA (Ethyl Vinyl Acetate)
The sheets of EVA (Ethyl Vinyl Acetate) are used to connect the solar cells through the lamination process with glass surface. This step provides the "encapsulated" solar module that is responsible for holding together the photovoltaic module and have a decisive bearing on life. The degree of chained EVA sheet after the lamination process is decisive for the quality indicator of the solar module.
An EVA sheet must guarantee insulation and protective effect throughout the life of the module. The films of poor quality can cause long-term discoloration, delamination or decomposition and, therefore, strongly impair the performance capability of the module in question. Solar Innova uses only high quality sheet of chains with a degree exceeding 85 %, thus providing long lasting protection of cells.
PVB (Polyvinyl Butyral)
The sheets of PVB (Polyvinyl Butyral) are used to connect the solar cells through the lamination process with glass surface. This step provides the "encapsulated" solar module that is responsible for holding together the photovoltaic module and have a decisive bearing on life. The degree of chained PVB sheet after the lamination process is decisive for the quality indicator of the solar module.
An PVB sheet must guarantee insulation and protective effect throughout the life of the module. The films of poor quality can cause long-term discoloration, delamination or decomposition and, therefore, strongly impair the performance capability of the module in question. Solar Innova uses only high quality sheet of chains with a degree exceeding 85 %, thus providing long lasting protection of cells.
The PVB used as encapsulant meets the highest security requirements against breakage resistance offering a break of more than 20 N/mm2.
Ribbon
Welding ribbon is specially designed for manufacturing solar panels product. It is used for electrical connections between solar photovoltaics.
It is made with a flat copper tape, coated with a thin layer of tin (414-600 microinches) on all sides. Tin copper confers protection against oxidation and provides a layer for easy welding.
The welding of the cells is performed by a combination of heat and pressure welding the longitudinal straps. The tape reaches the factory coils are placed in the automatic welding machines.
The solder coating on the ribbon interconnect provides 100% of that needed to form a reliable metallurgical bond at the top of the welding cells.
Cells
Solar cells directly convert sunlight into direct current electrical energy and the generator are of the module. The quality of cells directly influences the characteristics of a solar module is therefore essential silicon composition used.
Solar Innova cells used exclusively Innova highly efficient with minimal variations in the process of optimizing the production reproducibility of the separation of cells. Is a determining factor for the quality of the cell constant for stable profits. The high resistance multipliers and fill factors used cells provide a good source of energy radiation especially low.
Each cell is checked, and classified electrically calibrated prior to interconnection to optimize the behavior of the module.
Back Encapsulant
EVA (Ethyl Vinyl Acetate)
The sheets of EVA (Ethyl Vinyl Acetate) are used to connect the solar cells through the lamination process with glass surface. This step provides the "encapsulated" solar module that is responsible for holding together the photovoltaic module and have a decisive bearing on life. The degree of chained EVA sheet after the lamination process is decisive for the quality indicator of the solar module.
An EVA sheet must guarantee insulation and protective effect throughout the life of the module. The films of poor quality can cause long-term discoloration, delamination or decomposition and, therefore, strongly impair the performance capability of the module in question. Solar Innova uses only high quality sheet of chains with a degree exceeding 85 %, thus providing long lasting protection of cells.
PVB (Polyvinyl Butyral)
The sheets of PVB (Polyvinyl Butyral) are used to connect the solar cells through the lamination process with glass surface. This step provides the "encapsulated" solar module that is responsible for holding together the photovoltaic module and have a decisive bearing on life. The degree of chained PVB sheet after the lamination process is decisive for the quality indicator of the solar module.
An PVB sheet must guarantee insulation and protective effect throughout the life of the module. The films of poor quality can cause long-term discoloration, delamination or decomposition and, therefore, strongly impair the performance capability of the module in question. Solar Innova uses only high quality sheet of chains with a degree exceeding 85 %, thus providing long lasting protection of cells.
The PVB used as encapsulant meets the highest security requirements against breakage resistance offering a break of more than 20 N/mm2.
Glass
The back of the module contains a tempered solar glass with high transparency, low reflectivity and low iron content.
The glass forms the back end of photovoltaic module and protects components housed within the laminate from the weather and mechanical stresses.
At the same time serves as carrier material in the lamination process.
Achieve excellent resistance against mechanical stress and temperature changes due to preload producer.
Junction Box
The primary function is to transmit the energy produced in the module.
The junction box installed is made high temperature resistant plastics. The box is sealed and ready for the weather. Has a degree IP-65, which provides the insulation system against moisture, inclement weather, dirt and ultraviolet radiation. Inside are installed bypass diodes.
Bypass diodes protect the tensile modulus increased and consequently the so-called hot spot effects.
The modules are supplied with box and bypass diodes integrated.
In each module there is a single box for both terminals. Polarity must be observed in the connections to the proper functioning of the modules.
The junction box can be opened in case of failure, thereby facilitating an eventual replacement of damaged diodes. Covers of junction boxes have an indicative drawing. They open by inserting a screwdriver in the appropriate tab in the direction of the arrow, with light pressure on it to open. To close the lid, simply press it to closure. The lid has a flange attached to the junction box while handling the interior thereof. This flange must not be cut at all.
The junction boxes should not suffer any pressure when installing the module on a support structure. No element of it should touch the box.
The junction boxes are similar to modules with the same voltage rating. All connection boxes are provided with symmetrical cables of length 900 mm. With a connector positive (+) and a negative connector (-) with a working temperature range between - 40 ~ + 85° C.
Diodes
The shading of a cell can cause a reverse voltage on it. This cell thus consume power generated by the other in series, resulting in undesirable heating of the shaded cell. This effect, called hot spot will be greater the higher the radiation incident on the rest of the smaller cells and cell receiving that due to the shadow. In an extreme case the cell may be broken due to overheating.
The use of protective diodes or by-pass reduces the risk of heating of the shaded cells, limiting the current that can flow through them and thus preventing the breakage thereof.
All modules with a number of cells greater than or equal to 33 connected in series, manufactured by Solar Innova, are provided with protection diodes that are located at the junction boxes. In modules with fewer cells in series are not required the bypass diodes, as the hot spot effect does not reach the level of risk of rupture of the cells.
The replacement of bypass diodes should be performed only by a qualified competent photovoltaic after disconnecting the system module.
Cables
Our modules are fitted with flexible cables, symmetrical in length, with a diameter of copper section of 4 mm, weather resistant and have been specially designed and certified for use in our modules. Have high values of electrical safety and fire resistance. Its insulation to weathering and UV rays ensures longevity of the installation. Furthermore, the wide range of temperature allows its application even in extreme climatic areas, preventing heat aging and therefore allowing a long life in the photovoltaic system. They have a high strength and a very low contact resistance, all designed to obtain minimum voltage drop losses and allows them to continue operating even in unfavorable conditions.
All our photovoltaic modules are supplied with cable assemblies in the box with the following features:
Length: 900 mm.
Operating Temperature Range: - 40 ~ + 90° C.
Connectors
Our PV modules are equipped with connectors and sockets MC-T4 100 % compatible with the connectors and sockets used to connect electrical systems. Only MC-T4 connector or compatible and special solar cables may be used to lengthen the cables connected to the module. These must meet the electrical requirements of the Interconnection design.
All our photovoltaic modules are supplied with assembled connectors on cables with the following features:
Diameter: Ø 4 mm.
Maximum rated current: 30 A.
Maximum system voltage: 1000 V.
Plugged Protection level: IP-67.
Mounting: easy.
Locking system: Snap in.
Protection Class: II.
Operating Temperature Range: - 40 ~ + 90° C.
Sealed
PV modules require the use of silicone sealant high quality for bonding and sealing of junction boxes of photovoltaic modules.
Silicone has excellent adhesion to most substrates used in the manufacture of photovoltaic modules and does not lose its flexibility in a wide temperature range so it offers perfect protection against the ingress of water into the laminate.
Fabricated with high efficiency. No chemical reactions with EVA material and PVF film protector ensures the chemical stability.
The silicone is applied in the grooves of the frame and the edge of the laminate so as to prevent any infiltration of gas or liquid that can erode the module. At the same time, elasticity serves as a protection against possible mechanical impacts during installation or handling.
Labels
This document describes data sheet and nameplate information for non-concentrating photovoltaic modules. The intent is to provide minimum information required to configure a safe and optimal system with photovoltaic modules. In this context, data sheet information is a technical description separate from the photovoltaic module. The nameplate is a sign in durable construction in the photovoltaic module.
This document is used for identification and traceability at each stage of the production process as part of quality control.
Producere
Fiecare modul fotovoltaic consta dintr-un set de celule solare interconectate electric, incapsulate impreuna cu alte materiale care fac totul rezistent la conditiile atmosferice, cu un design robust si usor de instalat. Principalele etape ale procesului de fabricație sunt prezentate pe scurt in cele ce urmeaza:
3.- Interconectarea celulară
Celulele de sudare este una dintre etapele esențiale ale procesului de fabricație a unui modul solar.
Sudarea celulelor solare în lanțuri de celule (siruri de caractere) se realizează prin conectarea fața frontală a unei celule cu partea din spate a celulei următoare prin intermediul unor benzi de metal care colectează și conduc electricitatea prin șirul sau lanțul de celule fotovoltaice.
Aparate de sudura cu celule solare Innova sudura permite celulelor diferite tipuri și dimensiuni (înălțime, grosime, numărul barelor de distribuție, monocristalin sau siliciu policristalin).
4.- Dispoziție
În partea frontală, sticla călită este plasat evitand deteriorarea celulelor fotoelectrice.
După folia de protecție cu care este poziționat frontal EVA de celule vor fi încapsulate.
Este secvențial continuă să plaseze toate șirurile care părăsesc același spațiu între fiecare dintre ele. Odată ce plasate toate aceste siruri de caractere sunt sudate între ele.
Această importanță pas câștiguri atunci când este automatizat pentru a limita tensiunile asupra celulelor și sudurile șir de caractere pentru a maximiza productivitatea și pentru a reduce rata de rupere modul.
Ulterior, următoarele foaia de protecție EVA cu care partea din spate a celulelor incapsulate sunt plasate.
În partea spate, sticla călită este plasat evitand deteriorarea celulelor fotoelectrice.
6.- Laminare / Copt
Sandwich-ul a fost introdus într-o autoclavă (cuptor la cald), închis ermetic, la o temperatură de 145-150º Celsius si o presiune intre 10.5-11.5 bari pe parcursul a două etape de două ore, pentru a forma o unitate de robust pentru meteorologice, pentru a sigila diferitele straturi ale modulului prin presiune și temperatură.
Odată copt este procedat la taie excesul de material (EVA sau PVB) la marginile laminatului.
11.- Testul Flash
Echipamentul de testare flash este un control esențial al calității într-o linie de fabricație a modulelor solare.
Toate modulele sunt introduse într-un simulator solar pentru a le testa printr-un voltmetru cu care se verifică dacă curba curent-tensiune este corectă.
Testul de flash este un test pentru a măsura performanța unui modul solar fotovoltaic și este o metodă standard prin care să asigurăm funcționalitatea fiecărui modul. În timpul acestui test modulele fotovoltaice sunt expuse la un flash de lumină (1 ms la 30 ms), lumina (100 mW per cm2) prin arc de xenon lumina lămpii. Spectrul luminos al acestei lămpi este cât mai aproape posibil spectrul solar.
Pentru a se asigura acuratețea măsurării, Solar Innova foloseste un modul de poziționare plan și perfect orientat spre Flash de iluminat este uniform pe întreaga suprafață a modulului.
Datele sunt colectate de către un calculator și sunt comparate cu datele dintr-un modul fotovoltaic într-un laborator de referință calibrat.
Rezultatele testului sunt comparate tehnicile foi flash și module de date sunt încorporate în rapoartele de încercare și imprimate pe etichete caietul de sarcini.
12.- Etichetarea
După efectuarea măsurătorilor fiecare modul este etichetat pe partea din spate, cu o etichetă adezivă în mod clar vizibil și de neșters în cazul în care modelul de date al producătorului și datele tehnice ale fiecărui modul sunt reflectate, toate în conformitate cu EN 50380:2003, informațiile extrase din fișele de date și plăci indicatoare pentru modulele fotovoltaice.
Modulele sunt etichetate pe partea din spate cu un cod de bare care conține un număr de urmărit până la data de fabricație pentru seria de identificare.
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