Drake, Chris Freitas wrote an article on this topic in SP1.1, ³Form 12S Metering for Grid-Tied Systems w/ Battery Backup.² Here¹s a link to the article and a wiring diagram:
http://solarprofessional.com/article/?file=SP1_1_pg16_QandA_3&search= David Brearley, Senior Technical Editor SolarPro magazine On 8/10/10 7:57 AM, "Drake Chamberlin" <drake.chamber...@redwoodalliance.org> wrote: > Hi Alex, > > The one meter hook up always seems confusing to me. I'm still confused. Do > we have the AC IN at both the bottom left and top right? To me it seems that > the AC OUT from the inverter would go to the upper left and the protected > loads panel would be fed from the bottom left. > > I've never used this method, but would like to use it instead of the two meter > method. > > Thanks, > > Drake > > > At 12:19 AM 8/10/2010, you wrote: >> When metering for production here in Washington State, we use both sides in a >> 12s 120volt meterbase with fifth jaw. top right inverter ac in, bottom right >> ac from grid. top left from battery back up, bottom left from inverter ac >> in, fifth jaw neutral. >> >> this set up allows grid tied selling and battery saved energy selling to be >> metered while subtracting energy used to charge batteries and subtracting any >> power needed to run the inverter. >> >> hope this helps. >> >> contact me off list if you need the diagram (in office) >> >>
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