
System Operation
ESS
Inverter User Manual
45
2
1
1 2
is the sequence of PV energy transmission.
BACKUP
5.1.4
Off Grid Mode
When the power grid is cut off, the system automatically switches to Off Grid mode.
Under off-grid mode, only critical loads are supplied to ensure that important loads continue to
work without power failure.
Under this mode, the inverter can’t work without the battery.
a)
Wealthy PV power
When PV energy is wealthy, the PV power will be first consumed by critical load, then charge
the battery.