Scientific Study Comparing Our Amorphous Thin Film panel!
Scientific Study Comparing Our Amorphous Thin Film panel! Proves Earth Cares Peel and Stick Product to Be Superior to anything on the market in the world. See Example #2
Heat Degradation – All solar panels actually loose efficacy when heated, which does seem quite unintuitive given that it is a device for gathering and converting sunlight into power. Conventional solar panels work by absorbing photons of light in the visible spectrum. Infrared light, with a wavelength longer than visible light, is absorbed by the physical material of the panels and converted into heat energy, not usable electricity. It
should also be noted that the absorption of Infrared light can heat an object well beyond the ambient air temperature. Therefore, even though the air temperature is only 85°F, the panel temperature can be substantially
higher.
Each technology has a temperature coefficient which can be used to calculate the percent degradation as the panels are heated to excess. What this all means is that for every temperature degree increase over 25°C, a solar
panel’s overall output will decrease at a certain linear percentage.
Example 1: a Monocrystalline panel has a temperature coefficient of 0.47%/°C
If the panel is heated to 93°C (200°F) this would be 68° above 25°C.
68°C x 0.47%/°C = 31.96%
If the panel had an output of 18V @ 5.56A or 100W, we could now expect the
panel to produce 32% less power, thereby giving the panel an output of 68W
Example 2: an Amorphous Thin Film panel has a temperature coefficient of
0.19%/°C We now heat the panel to 93°C as before.
68°C x 0.19%/°C = 12.92%
If the panel had an output of 15.4V @ 6.5A or 100W, we could now expect the
panel to produce 13% less power, thereby giving the panel an output of 87W
Example 3: a Polycrystalline panel has a temperature coefficient of 0.50%/°C
If the panel is heated to 93°C (200°F) this would be 68° above 25°C.
68°C x 0.50%/°C = 34%
If the panel had an output of 18V @ 5.56A or 100W, we could now expect the
panel to produce 34% less power, thereby giving the panel an output of 66W
Example 4: a CIGS panel has a temperature coefficient of 0.45%/°C If the
panel is heated to 93°C (200°F) this would be 68° above 25°C.
68°C x 0.45%/°C = 30.6%
If the panel had an output of 18V @ 5.56A or 100W, we could now expect the
panel to produce 30.6% less power, thereby giving the panel an output of
69.4W
When considering the effects of temperature upon the electrical output of a
solar module, it is critical that you consider the core technology at the
heart of each solar panel.
Click on the links below to read some very informative documents.
http://peelandsticksolarenergy.com/pdf_docs/Hotclimateperformancecomparison.pdf
http://peelandsticksolarenergy.com/pdf_docs/CSUTransient.pdf
http://peelandsticksolarenergy.com/pdf_docs/TransientEffectPaper.pdf
http://peelandsticksolarenergy.com/pdf_docs/Amorphousandsinglecrystalsilicon.pdf
