Solar Modules

Photovoltaic solar panels use solar cells to convert light from the sun straight into electricity. At Inventive Solar Solutions, we carry and stock most of the top brands, including Sharp Solar, Kyocera Solar, BP Solar, Evergreen Solar, Solar World, Kaneka, Uni-Solar, Suntech, Sanyo, Day4 and OEM Solar modules.

The 3 most typical sorts of solar modules are Mono crystalline, Polycrystalline, and Amorphous :

Mono crystalline solar modules - made of a single large crystal, cut from ingots. It is the most efficient but also the most costly. It is rather better in low light conditions.

Polycrystalline solar modules - cast blocks of silicon that may contain many little crystals is the most common type now. Slightly less efficient than single crystal, but once set into a frame with 35 or so other cells, the actual difference in watts per square foot is not much. Amorphous solar modules ( also called thin film ) - the silicon is spread at once on enormous plates or flexible laminates. They're cheaper to produce, but frequently much less efficient, that means bigger panels for a similar power. Uni-Solar is one example. The differences between the two solar modules - crystalline and amorphous- actually show up in their sunlight-to-electricity conversion efficiencies and power densities. Crystal-like modules need less space than thin-film modules for the same amount of powerthin-film is less efficient in the conversion of daylight to electricity.

Single- and multi crystal-like solar modules have typical conversion efficiencies between 12% and 17%. But thin-film technologies can have half that, ranging from 6% to 8%. Thin film modules take up about 2x as much space to generate an equivalent quantity of energy compared to crystal-like modules.

Besides power density, there are 2 significant differences in performance between solar modules crystal-like and thin-film technologies. The first is impact of cell temperature on power production. The second's initial module power stabilisation.

All PV solar modules experience a decrease in power with a rise in cell temperature. As an example, at 100F, our sample crystalline module will produce approximately 6% less power than its STC rating. This effect is less expounded for thin-film PV technologiesour example a-Si thin-film module would produce only 2 percent less power. While you can reduce cell temperature by allowing acceptable air movement around any module, PV cells sitting out in the sun will still get hotso thin-film a-Si modules might be a good selection for warm climates, especially if there's plenty of room for the bigger array.

Amorphous silicon solar modules take 6 to twelve months to reach their stable, rated output, whereas crystal-like modules stabilize straight away. So a-Si solar modules will show 20% to 25 percent higher-than-rated production initially. While that sounds a bit like a bonus, this primary extra output must be considered in system design ( for picking wire sizes, charge controllers, and inverters ). For instance, if the final design indicates a 15 A circuit, the opening extra output might require accommodating 20 A. After this stabilisation, thin-film solar modules degrade at similar rates to crystal-like, about 0.5% to 1.0% each year.

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