Panel wiring

11 Posts
Sep 2, 2010 09:16 pm
Panel wiring

I have 6 Evergreen 200 watt panels running into a Outback MX60 controller after a 70 ft. run, using 1/0 cable. I am switching from 12V to 24V. My question is is it better for me to connect all 6 panels in series, or break them up into strings (ex. 3 sets of 2, or 2 sets of 3 panels) into a combiner box. Either way I will be using the step down feature in the controller. Thanks
578 Posts
Sep 3, 2010 11:00 am
Re: Panel wiring

I did not check for voltage drop or for current, but 6 in series may be too much voltage depending on your climate.  i would think that 2 strings of 3 in series would be the best bet.  double check on current calculations and voltage drop of safety and performance respectively.


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11 Posts
Sep 8, 2010 07:11 pm
Re: Panel wiring

James, Thanks for your reply. I Kind of figured that it would be safer using 2 strings. I came up with 2.5 percent voltage drop, but don't quite understand the current calculations??? Could you explain  Thanks

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