However, you would need a SolarEdge inverter modified for standalone use or a second inverter just for backup.
The other problem is that to function as a hybrid system the GTI would have to be optionally connected directly to the grid, the opposite of what a transfer switch normally enforces.
This is one reason that a typical AC coupled hybrid inverter has an internal transfer switch which can essentially be bypassed during GTI mode operation and activated before going into standalone generation mode.
PS: For normal GTI-only installations which also include generator backup the GTI must be hard connected on the POCO side of the generator transfer switch rather than the load side of that switch.
The other problem is that to function as a hybrid system the GTI would have to be optionally connected directly to the grid, the opposite of what a transfer switch normally enforces.
This is one reason that a typical AC coupled hybrid inverter has an internal transfer switch which can essentially be bypassed during GTI mode operation and activated before going into standalone generation mode.
PS: For normal GTI-only installations which also include generator backup the GTI must be hard connected on the POCO side of the generator transfer switch rather than the load side of that switch.
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