Solar panel shading
With 1,280 watts of solar I don't worry to much about getting enough solar. This time of the year with the days getting shorter and we're in the national forest boondocking catching light shadows fro...
Forum Discussion
CA Traveler wrote:
Solar Panel Bypass Panel Example
Three 60 cell 30V panels with 3 bypass diodes in each panel. Each panel can be viewed as composed of 3 subpanels each with a bypass diode. As shown below the output would consist of 20+30+20 = 70V at the given amps. The amps depend upon the given light conditions.
Assuming 8A the output would be 8*70 = 560W for the serial panels. For parallel connected panels the output would be 8*30 = 240W.
With shadows on 7 of the 9 subpanels there would be 8*20 = 160W available for charging with serial panels.Click For Full-Size Image.
Unfortunately an antenna can take out all three strings and the panel produces nothing. Only part of a string needs shade for it to drop out. Of course the other three panels in series can push on through.
