SMA SI 3.0-11 - Manual (Page 24)

5 Operation of the Sunny Island Inverter With the Sunny Remote Control SMA Solar Technology AG
24 SI30M-44M-60H-80H-BE-en-30 Operating Manual
Graphical representation of the energy flows
Figure 7: Energy flow diagram in standard mode (example)
Status of the stand-alone grid
Figure 8: Status of the stand-alone grid (example)
Position Symbol Designation Explanation
A Battery Battery symbol
B Direction of energy flow The battery is supplying the loads.
The battery is being charged.
C Generator Generator symbol
D Internal transfer relay The generator is disconnected from the stand-alone grid.
The stand-alone grid is synchronized with the generator.
The generator is supplying the loads and charging the battery.
E Direction of energy flow Loads are being supplied.
AC sources in the stand-alone grid are supplying more energy than
is being consumed by the stand-alone grid.
F Loads in the stand-alone
grid
Symbol for loads in the stand-alone grid
Position Designation Explanation
A Output power Output power of the Sunny Island inverter in kW
B Loads in the stand-alone
grid
Symbol for loads in the stand-alone grid