What is the solar photovoltaic glass standard? Introduction of solar photovoltaic glass
Release time：
2023-07-13
Glass is widely used in modern times and has always been a product with large market demand. By using specific processing methods, we can not only make the characteristics of glass fully play, but also make up for its defects, no longer subject to the natural properties of glass. For example, laminated glass can not only heat insulation, and fragments will not splash hurt, safe and reliable. Next, we will introduce the standard of solar photovoltaic glass and its functions and characteristics.
What is the 1. solar photovoltaic glass standard
Photovoltaic glass, using low iron tempered suede glass (also known as white glass). At present, the common specification with a thickness of 3.2mm ± 0.3mm is widely used in photovoltaic industry. Tempering performance conforms to the national standard: GB9963-88 mm, or the impact resistance of the packaged module reaches the performance index specified in the national standard GB9535-88 ground silicon solar cell module environmental test method; In general, the light transmittance should be higher than 90%; In the wavelength range of solar cell spectral response (320-1100nm), the light transmittance is above 91%, high reflectivity for infrared light greater than 1200 nm. This glass can withstand the radiation of the sun's ultraviolet rays at the same time, and the light transmittance does not decrease. The glass passes or conforms to the national standard GB/T9963-1998 and GB2828-87.
Introduction of 2. solar photovoltaic glass
Solar photovoltaic glass is a kind of special glass that can generate electricity from solar radiation by laminating solar cells, and has related current extraction devices and cables. It is composed of low-iron glass, solar cells, film, back glass, special metal wire, the solar cell through the film sealed in a piece of low-iron glass and a piece of back glass in the middle, is a novel building with high-tech glass products. The low-iron glass is used to cover the solar cell, which can ensure high sunlight transmittance. The tempered low-iron glass also has stronger wind pressure resistance and the ability to withstand large changes in temperature difference between day and night. Widely used in building curtain wall, photovoltaic roof, shading, solar power generation system and many other fields. The installation form can be open frame, hidden frame or with various profiles of curtain wall for installation.
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