[RE-wrenches] Inverter isolation issue

Hello Wrenches, We are working on a system with three Sunny Boy inverters that feed into a system that is backed up by a generator. The inverters are isolated from the generator by relays that open when the generator is in the warm up stage, before connecting to the electrical system. What

Re: [RE-wrenches] AC Coupled (Again)

Although we have completed tons of grid-tie systems, and off-grid battery systems, this will be our first AC coupled system and there are still a few things we need to resolve.  We will be using a 4 kW Sunny Island on a ground-mounted array about 150 feet from home.  We are considering using a Xant