|
|
Post by offgridgirl on Jul 25, 2016 9:51:00 GMT -8
I have to replace a damaged panel from a 2 panel array. 24v at array going down to 12v system. Until i replace the damaged panel is it harmful to my system to be running as is? The array is difficult to access so I was hoping to bring it down just at time of replacement 2nd question; do the panels need to match in watts?
Thanks for any input
|
|
|
|
Post by spiderbob on Jul 25, 2016 21:52:53 GMT -8
If you are wired in series for the 2 panels, and one is not working, then the other will not work. In parallel at least one would keep working if the other were to be out of commission. No the panels do not have to match in Watts. Can you just remove the one panel and wire the other in your designed manor?
|
|
|
|
Post by cosmicboss on Aug 17, 2016 5:14:35 GMT -8
Hi spiderbob,
What happens to the battery bank in this situation? I am sure that it was wired for 24v as well, wouldn't it?
Unless the bank will be rewired for 12, what would happen to the batteries if it isn't?
|
|
|
|
Post by spiderbob on Aug 17, 2016 6:31:56 GMT -8
The controller automatically sees what your batteries are. That is why you normally hook up the batteries first before the solar connections.
|
|
|
|
Post by cosmicboss on Aug 17, 2016 7:05:23 GMT -8
Correct, but what happens when you feed 12v to a 24v bank?
|
|
|
|
Post by jimmmy on Aug 17, 2016 9:36:22 GMT -8
a PWM controller doen't buck from 12v to 24v, there would be little to no charging
|
|
|
|
Post by spiderbob on Aug 18, 2016 6:53:48 GMT -8
It will drain the batteries a bit faster
|
|
|
|
Post by Admin on Aug 23, 2016 9:42:05 GMT -8
Hello Offgridgirl,
If you need to remove a panel from the array there could be different results depending on your battery bank voltage and also the controller you have. Typically there should be no issue though i would recommend calling our techs at 800-330-8678 so we could hear about your specific array and give you advice based on that.
As far as mixing wattage though, in theory you could but if the panels have a big difference in electrical values there could be some loss of wattage. When panels are connected together the lowest producing value is applied to the array.
-A.L.
|
|
