Serial vs Parallel Solar Panel Shading
I was asked if a post in another thread if this "Serial is actually better for shading (than parallel) if that is a concern for you." was a typo. It is not a typo but panel shading is not always under...
Forum Discussion
CA Traveler:
Please explain how the 30V/8A panel with one section shaded(becomes 20V/8A) and delivers 160W when in series but 0W when in parallel.
How is partly shaded 30V/8A panel, now 20V/8A different from 4x9=36 cell 12V nominal panel that has full output at 20V/8A with Vmp around 18.5V? As long as the output voltage from the panel is higher than about 16V the panel will charge 12V batteries standing alone, wired in parallel or series.
Please explain how the 30V/8A panel with one section shaded(becomes 20V/8A) and delivers 160W when in series but 0W when in parallel.
How is partly shaded 30V/8A panel, now 20V/8A different from 4x9=36 cell 12V nominal panel that has full output at 20V/8A with Vmp around 18.5V? As long as the output voltage from the panel is higher than about 16V the panel will charge 12V batteries standing alone, wired in parallel or series.
