Running 24v and 12v Solar in parallel???
Just curious what would happen if one was to run two systems, side by side (i.e; in parallel)... 12v/pwm and 24v/mppt? In particular, how would the two charge controllers handle things? Would t...
Forum Discussion
BFL said,
"Comparison of what? You can see what each controller is doing for its output amps. Both will be at the same battery voltage at output."
That's essentially my concern... would either controller operate at a different voltage, if on it's own? Indeed, they would combine amps, and match volts, but would it take the same voltage to maintain the pwm's amps to bank, as it would to maintain the mppt's amps to bank, if operating individually? I'm thinking, no, it would not. So I suspect that would skew the data, especially with two such mismatched systems, (either 500w or 250w mppt vs 280w pwm). And yes, I could pro-rate the numbers to compare, but it's the original numbers I'm concerned about.
"Comparison of what? You can see what each controller is doing for its output amps. Both will be at the same battery voltage at output."
That's essentially my concern... would either controller operate at a different voltage, if on it's own? Indeed, they would combine amps, and match volts, but would it take the same voltage to maintain the pwm's amps to bank, as it would to maintain the mppt's amps to bank, if operating individually? I'm thinking, no, it would not. So I suspect that would skew the data, especially with two such mismatched systems, (either 500w or 250w mppt vs 280w pwm). And yes, I could pro-rate the numbers to compare, but it's the original numbers I'm concerned about.
