Hi,
I am at 60 degrees altitude. I have checked that sun elevation during summer is around 40-50 degrees. So I thought if I want to have some days with 90degree angle between sun rays and my panels then I have to tilt them 40 degrees. I got this by ( 180 minus sun angle 50, minus 90 to be perpendicular that leaves 40)
But this website says:
"Tilting the module to the incoming light reduces the module output."
What am I missing ?
I am at 60 degrees altitude. I have checked that sun elevation during summer is around 40-50 degrees. So I thought if I want to have some days with 90degree angle between sun rays and my panels then I have to tilt them 40 degrees. I got this by ( 180 minus sun angle 50, minus 90 to be perpendicular that leaves 40)
But this website says:
"Tilting the module to the incoming light reduces the module output."
What am I missing ?
Solar Radiation on a Tilted Surface | PVEducation
www.pveducation.org