Quote:
Originally Posted by Chance
Shade concern is a great point, particularly as systems get larger in capacity.
If looking at 1,000 watts of nominal panel capacity, and you wire them all in parallel, the amount of current can get pretty high — like around 50 Amps.
In large systems some “experts” go with combination of series and parallel, which can reduce current significantly (normally in half), but then it risks losing a greater percentage of total installed capacity if some of the cells are shaded.
I’d assume that since you are looking at 5 panels (and odd number), that you must be planning on going with an all-parallel installation. In that case shade is bad, but not as critical.
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Not sure yet how to wire system and may add a 6th panel and split the system into two MPPT boxes. Decisions, decisions!