Back Sheet Of Solar Panel

Kpe back sheet kpk back sheet pet back sh.

Back sheet of solar panel.

I ll show you a picture. A solar panel backsheet is the white plastic at the back of a solar panel. Companies involved in backsheet production a key sourcing item for solar panel manufacturers. A solar backsheet is the last layer at the bottom of the solar pv panel and is typically made of a polymer or a combination of polymers.

The backsheet is typically a laminate of different polymer materials. This in turn ensures loss free energy generation for the solar panel. In order to accomplish this the solar panel material must be a robust construction typically a three layer laminate and have high dielectric properties. Pet back sheet copper back contact backshe.

The back sheets are not peeling up at the edges of the cracks and i thus far can not detect any decrease in current output. In traditional solar panel manufacturing a pvf pet pvf t p t back sheet is used in layer with an eva encapsulant for protecting and encapsulating the back side of the solar panel. To insulate and protect the user from shock and provide the most reliable and efficient electrical conductivity possible. Why do we need a solar backsheet in a pv panel.

The solar backsheet should be able to resist active environmental elements such as moisture temperature changes chemical substances and physical damages for years on end. Tpt back sheet bbf back sheet kpk back sh. The primary function of the pv backsheet material is to offer protection to the solar module s various components throughout its lifetime. From my understanding the back sheet serves four major functions.

They say one of them s worth a thousand words although i m such a succinct writer it s more like 240. A quality solar backsheet must protect against. Tpt back sheet tpe back sheet pet back sh. While the solar cells themselves are black monocrystalline solar panels have a variety of colors for their back sheets and frames.

The pv back sheet is designed to protect the inner components of the module specifically the photovoltaic cells and electrical components from external stresses as well as act as an electrical insulator. The panel s backsheet serves the same function that wire insulation serves in household wiring. A poor quality solar backsheet can cause system degradation unwanted maintenance and replacements related to additional costs. The pv backsheet is on the outermost layer of the pv module.

84 backsheet manufacturers are listed below. The layers are co laminated with the front sheet that also includes an eva layered over glass sheet. Reflect sunlight back to the pv cells to increase power output.