What are the components of a photovoltaic system?
Abstract:PVB also called polyvinyl butyral resin, chemical properties: density 1. 7 g/cm3. Refractive index 1. 488 (20 ℃). Bibulous rate is not greater than 4%. Softening temperature 60-65 ℃. Soluble in methanol, butyl alcohol, acetone, methyl ethyl ketone, ring already ketone, methylene chloride, chloroform
A complete photovoltaic system includes the following components:
1. Glass: Ultra white textured tempered glass with a thickness of 3.2mm, with a transmittance of over 91% within the wavelength range of solar cell spectral response (320-1100nm), resistant to ultraviolet radiation, and no decrease in transmittance. The components made of tempered glass can withstand the impact of ice hockey balls with a diameter of 25 millimeters at a speed of 23 meters per second.
2. EVA: Thickness is 0 A 5mm high-quality EVA film layer serves as a sealing agent for solar cells and a connecting agent between glass and TPT. It has high light transmittance and anti-aging ability.
Performance requirements for cured EVA film used for solar cell packaging:
The transmittance is greater than 90%; The crosslinking degree is greater than 65-85%; Peel strength (N/cm), glass/adhesive film greater than 30; TPT/adhesive film greater than 15; Temperature resistance: high temperature 85 ℃, low temperature -40 ℃.,
3. TPT: The back of a solar cell, with basic requirements such as aging resistance, corrosion resistance, UV radiation resistance, and breathability.
4. Frame: The aluminum alloy frame used has high strength and strong resistance to mechanical shock.
1. Glass: Ultra white textured tempered glass with a thickness of 3.2mm, with a transmittance of over 91% within the wavelength range of solar cell spectral response (320-1100nm), resistant to ultraviolet radiation, and no decrease in transmittance. The components made of tempered glass can withstand the impact of ice hockey balls with a diameter of 25 millimeters at a speed of 23 meters per second.
2. EVA: Thickness is 0 A 5mm high-quality EVA film layer serves as a sealing agent for solar cells and a connecting agent between glass and TPT. It has high light transmittance and anti-aging ability.
Performance requirements for cured EVA film used for solar cell packaging:
The transmittance is greater than 90%; The crosslinking degree is greater than 65-85%; Peel strength (N/cm), glass/adhesive film greater than 30; TPT/adhesive film greater than 15; Temperature resistance: high temperature 85 ℃, low temperature -40 ℃.,
3. TPT: The back of a solar cell, with basic requirements such as aging resistance, corrosion resistance, UV radiation resistance, and breathability.
4. Frame: The aluminum alloy frame used has high strength and strong resistance to mechanical shock.
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