Mixing panels in series

16 Posts
May 22, 2012 12:05 am
Mixing panels in series

I know that in a series circuit that the curent throught the circuit will always be the same through through all connected panels. What happens in the case of putting the following panels in series, what will the output current be?

Panel #1 100W
Vmp 35 v
Imp 3A

Panel #2 200W
Vmp 35v
Imp 6A

I know the output voltage would be 70 V. But what would the output current be?

How would a grid tied inverter handle determining the Max Power Point.

Thanks for your response
 
12 Posts
Jun 25, 2012 07:40 pm
Re: Mixing panels in series

Based on my past measurements, you'll be limited to the current produced by the panel that is producing the least amount of current. In your case, it's probably the 3A panel, but it would also vary if one of them is in shade.

From what I've read, MPPT charge controllers require identical panels to work efficiently.
 

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