SMA SUNNY ISLAND 8.0H - Page 137

SMA Solar Technology AG 10 External Energy Sources in the Off-Grid System
Installation Manual SI80H-60H-OffGrid-IA-en-11 137
You open the switch-
disconnector between the
generator and the off-grid
inverter.
The off-grid inverter opens the internal transfer
relay.
Open, the
stand-alone grid is
not connected to
the generator.
The off-grid inverter continues to supply to the
stand-alone grid without interruption.
The generator management starts the minimum
stop time.
The minimum stop time is
running.
The off-grid inverter does not detect if you restart
the generator.
The generator management cannot request the
generator. The signal generator is not active.
You stop the generator. ‒
The minimum stop time
ends.
The generator management can request the
generator.
The off-grid inverter detects a generator start.
Event or state Result Internal transfer
relay