Few years back, the main source of energy was wood, coal, and biomass, and renewable energy was secondary. Today, the energy sources are replaced by renewable energy, such as solar energy. Solar energy is green and free energy which comes from the sun rays at free of cost. Solar PV module converts energy into electrical energy throughout the day. In this post, you’ll know about the main components of solar plates.

Solar cells:

Solar cells are the main components of solar panels. Thousands of cells come together to create a solar panel. These cells are roped together to form solar panels which comprises soldering, encapsulating, mounting them on a metal frame, testing etc. The effectiveness of a solar panel is directly proportional to that of solar cells. The price & effectiveness of solar cells influence the overall performance of the solar panel. Over the last decade solar cell efficiencies have improved significantly.

Solar glass:

Solar glass is the second most critical component of a solar panel. It’s the outer most layer on the solar panel and need to be shiny and sturdy for improved performance of the panel. The primary function of solar glass is to safeguard the solar cells from unfavourable weather, dust and dirt. It’s suggested to employ tempered glass with 3mm-4mm thickness.

EVA:

The Ethylene Vinyl Acetate (EVA) is a highly transparent layer employed to condense the cell. It gives laminated coating on top of the cells to hold them together. It must be sturdy and tolerant to endure extreme humidity and temperature.

Backsheet:

Backsheet is the rear-most layer of the panel offering both mechanical protection & electrical insulation. It’s basically a shielding layer.

Aluminium frame:

The aluminium frame is also an important component as it gives structural strength to the panel. It’s advised to make use of a frame made from strong yet lightweight material. It must be stiff & capable of withstanding extreme conditions like high wind & external forces.

Interconnector:

Interconnect aids solar panels attach with each other. These must be extremely weather resistant and should allow secure connections.

As a solar panel system incurs a big investment, it’s suggested to invest in the best quality. Buyer need to be aware of the different parts comprised in the making of a solar panel, and their functions so that they’re not misled into purchasing sub-standard components.

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