
System Operation
42
ESS Inverter User Manual
P
BAT
<
P
Load
P
BAT
≥ P
Load
BACKUP
BACKUP
c)
No PV Input
The inverter will first discharge the battery energy for home load consuming when no PV
input (such as in the evening or some cloudy or rainy days). If the demand is not met, the
loads will consume the grid energy.