1 SOLAR Flashcards
1
Q
What is Air mass?
A
The path length which light takes through the atmosphere, normalised to the shortest possible path length. At an angle of Zenith from the vertical.
AM = 1 = path is vertically downwards.
2
Q
What is the Air mass at the top of the atmospheric layer?
A
0
Because the sunlight hasn’t yet gone through the atmospheric layer.
3
Q
G @ STC
A
1000 W/m2
4
Q
Air mass @ STC
A
1.5G
5
Q
Cell temp @ STC
A
25ºC
