20 12 what do you mean by the horizontal solar radiation intensity, scattering intensity and radiation intensity on all sides in mathematical modeling question b? How to calculate solar energy conversion? The data obtained by weather stations are all solar radiation on the horizontal plane, which needs to be converted into radiation on the inclined plane of photovoltaic array to calculate the power generation. For a photovoltaic array with a fixed inclination angle, the received solar radiation energy is related to the inclination angle, and the simple empirical formula for calculating the radiation amount is:

Rβ=S×[sin(α+β)/sinα]+D

Where: rβ-total solar radiation on the surface of inclined photovoltaic array.

S-direct solar radiation on the horizontal plane.

D —— the amount of scattered radiation

α-solar altitude angle at noon.

Inclination angle of β -photovoltaic array