About How to distinguish photovoltaic panels a and b
There’s a lot of confusion between different grade solar cells. Any deviation is often graded as B, however a correct classification is complicated because there are dozens of different solar cell defects that can occur. This post is a first attempt to design a classification (A, B, C, D) of solar cells, and is a summary of a more in.
Grade A cellsare simply without any visible defects, and the electrical data are in spec. The specifications of the cells can be measured with cell testing equipment. The perfect grade A cell may still have a slight bendof tiny color.
Grade B cells have visible but tiny defects, and the electrical data are in spec. The following visible defects are common: 1. Slight bendof 2.0mm – 2.5mm 2. Color deviation, Visible yellow area takes more than 1/4 area of total on.
A Grade D solar cell is broken and can not be cut in smaller cells. There’s not much you can do with these. .
A Grade C solar cell has visible defects, and the electrical data are off-spec. All solar cells with defects worse than Grade B can be classified as Grade C. Or A solar cell can be graded as C when the partly broken cell which could be.Ultimately, it comes down to this: Grade A solar panels have no visual defects and meet performance standards. Grade B solar panels have some visible defects but meet performance standards.
Ultimately, it comes down to this: Grade A solar panels have no visual defects and meet performance standards. Grade B solar panels have some visible defects but meet performance standards.
Here we will give you a brief introduction below:Grade A modules: Grade A cells are the highest quality cells that can be used in modules;Grade B modules: Grade B cells are slightly lower than Grade A, and they are complete cells whose components can be downgraded for use;Grade C modules: Grade C cells are seriously poor in appearance and have missing corners.
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