[ Table 7-4 : ELA Mode ]
ELA Mode
Auto w/s
(Basic Mode)
ELA
PV
Battery
Grid
Load
Auto W/S Mode
PV Output
Grid Charge
Battery Discharge
Stand Alone
O
O
X
O
O
O
X
O
O
O
O
O
O
O
O
O
O : It enters when there is a battery fault.
X : Don’t care. One of the PV and the battery is in a steady state.
7.6 Operation Sequence
Grid
Charge
PV
Output
Stand
Alone
Battery
Discharge
Battery Voltage
emergency
No
PV Voltage
Battery fault
or No Battery
No
Grid
No
Grid
No
Grid
Message Description
I
38
