Hi powerbynature, and welcome.
Since you have been 'experimenting' tell me, your grid tie inverter how is it functioning at 300w i am very interested in how you wired it in.
Let me explain. Early next year i will be installing a 3kw PV system on 2 tracker arrays, but will not be grid tied. (The Tracker arrays are my design and the panels them selves hopefully will be film type).
I wish to use an inverter that will kick out sufficient power to run domestic circuits when the sun comes up. Now it would be nice to have some way of getting my PV inverter to sync with the normal mains, with out it feeding back into the mains.
Yes probably impossible, and therefore i will have to install more circuit switch over switches.
Keep trying things out.

Hi, I'm using a Mastervolt Soladin 600 inverter and the panels are connected in serial formation. The Soladin 600 is a UK one so it basically does everything for you. All I need to do is connected the panels (MC4 connectors) to the inverter and its done. The unit is G83 registered and will sync with the mains. Mains go off the inverter also shuts down so nothing really for me to do.
Basically as I'm not applying for the FIT it's just a way to reduce the electric I draw from the mains thus reducing my electric bills and hopefully by a good amount (good amount if I maybe add in a couple more panels).
I'm also monitoring everything, I bought one of those OWL monitoring systems so I can see the electric usage. Not done much testing though as I need another panel. The Soladin needs 45v to start up and I only have 2 100w panels at the moment (12v) so waiting on the third. Once I get that (hopefully Monday) I can do some real testing to see how good of a idea this whole thing is
