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SUN RADIATION

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ATMOSPHERIC EFFECTS<br />

The major effects for photovoltaic applications<br />

are:<br />

a reduction in the power of solar radiation due<br />

to absorption, scattering, reflection in the<br />

atmosphere<br />

a change in the spectral content of the solar<br />

radiation due to greater absorption or scattering<br />

of some wavelengths<br />

local variation in the atmosphere (water vapour,<br />

clouds and pollution) which have additional effect<br />

on the incident power, spectrum and directional<br />

MAGISTER TEKNIK ELEKTRO

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