azrving
Nov 19, 2015Explorer
Blue Sky 3024il
I added 520 watts of solar and a Bogart 30 amp system to my rig. It works well but a new problem has happened. It's now common for people to ask how we can have all these lights going and a big tv and...

pnichols wrote:Salvo wrote:
sine 35 degrees = 0.57
7.4A * 0.57 = 4.2 A (btw, I just posted a current plot with same 4.2A measured with my new A/D.)
Sal .... I'm curious. Why the straight cosine multiplication for derating of solar energy versis panel angle????
Does the collection rate of the Sun's energy degrade directly/linearly with angle? I'd be a bit surprised if it was that simple ... but maybe it is. :h