What is a dual-glass module?
Dual-glass type modules (also called double glass or glass-glass) are made up of two glass surfaces, on the front and on the rear with a thickness of 2.0 mm each. Some manufacturers, in order to reduce the weight of the modules, have opted for a thickness of 1.6 mm. DualSun has chosen to stay with a thickness of 2.0 mm for reasons explained below.
What is a double glass (Dual Glass) solar panel?
A double glass (Dual Glass) solar panel is a glass-glass module structure where a glass layer is used on the back of the modules instead of the traditional polymer backsheet. Double glass solar panels were originally heavy and expensive, but the lighter polymer backing panels gained most of the market share.
What is the thickness of a glass module?
The thickness of the front glass generally used for this type of structure is 3.2 mm. Dual-glass type modules (also called double glass or glass-glass) are made up of two glass surfaces, on the front and on the rear with a thickness of 2.0 mm each.
Why are double glass modules symmetrical?
Mechanical constraints on cells: the fact that the structure of the double glass modules is symmetrical implies that the cells are located on a so-called neutral line, the upper part of the module being in compression during a downward mechanical load and the lower glass surface being in tension.
What are the advantages of glass-glass modules?
Glass-glass modules are characterized by their long service life and maximum reliability, as they have an extremely resistant module structure. This also enables long warranty periods. High load capacity, low degradation behaviour Glass-glass modules are characterized by their long service life and maximum reliability, as they…
How much does a dual sun module weigh?
For example, for a DualSun module with dimensions 1722 mm x 1134 mm, the weight in glass (2.8 mm) - backsheet configuration is 20.0 kg while it is 25.1 kg for bi-glass (2 x 2.0 mm), which corresponds to a weight increase of 25%.
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