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To capture maximum solar energy, calories, the solar panel(s) must be perpendicular to the sun's rays for two reasons :
To capture maximum solar energy, calories, the solar panel(s) must be perpendicular to the sun's rays for two reasons :
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*By being perpendicular to the rays the energy density is higher, the more the angle increases, the more the "number" of rays captured will be reduced per unit area. In other words, the apparent surface of the panel, seen from the sun, is reduced with the angle.
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*the glass reflects the rays, if the rays arrive perpendicular to the glass, all enter the panel, the more the angle increases, the higher the proportion of reflected rays is.
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Solar panels are rarely mobile and their angle is therefore fixed to the installation. Solar power is much stronger in summer than in winter, not to mention the length of days. Solar energy is at least three times more important in summer than in winter (see tutorial [[energy in the home]]), so the panels are sized and oriented for the most critical period: winter.
Version actuelle datée du 3 juillet 2020 à 08:26
To capture maximum solar energy, calories, the solar panel(s) must be perpendicular to the sun's rays for two reasons :
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