Can you post a schematic? Sent from my iPhone
> On Jun 29, 2018, at 6:12 PM, Matt Hoppes <[email protected]> > wrote: > > I’m currently about halfway through troubleshooting a solar site and had to > quit for the day. > > I have a site with five 100 amp hour batteries. It is a 12 V site and I have > three of the batteries on to wire leads going to the charge controller and > two of the batteries on a wire lead going to the charge controller. > > I have been seeing something weird for the past three months where during the > day on a sunny day we never hit and plateau at about 12.5 12.7 V like we used > to. > > Instead it will get up to about 12.2 or 12.3 and then do this weird saw tooth > pattern. Today when I was at the site I disconnected the secondary battery > group of three batteries and things went up to 12.5 V and plateaued. > > When I reconnected the three batteries it went down to 12.2 and started doing > the weird saw tooth pattern. > > What do those of you who have worked with solar before think? Might this > indicate a bad cell or battery? Or some kind of an issue with not enough > voltage or amps being pushed into the battery strings? Or something else? > > I should also mention that normally this site is able to maintain itself, but > in its current state it maintains a very steady decay until the batteries are > finally drained and I’ve had to boost it once with a charger. > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- AF mailing list [email protected] http://af.afmug.com/mailman/listinfo/af_af.afmug.com
