[RE-wrenches] AC Coupling Fronius IG Plus 10.0 inverter

[Gary Willett]

Working on a proposal to add battery backup and a generator to an 
existing 10kW grid-tie system using the Fronius IG Plus 10.0 inverter.

Does anyone have any experience AC coupling this inverter to a Sunny 
Island 5048, or a Xantrex 6048? Is the Fronius capable of Frequency 
Shift control (FSC) that comes from the battery-connected inverter?

Any other suggested solutions is appreciated.

Gary Willett, PE
Icarus Solar Services LLC
<mailto:Gary at IcarusSolarServices.com>

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