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Parameter
Setting Description
Remarks
Battery
backflow
protection
● Enable: After the reverse power of
the battery at the grid-connection
point is detected (the battery feeds
power to the grid while discharging),
the system issues a command to put
the battery in standby mode to
eliminate the reverse power. When
the battery needs to be discharged,
the command is issued to enable the
battery running.
● Disable: After detecting the reverse
power of the battery at the grid-
connection point, the reverse power
is eliminated by reducing the battery
power output. The battery standby
command is not delivered.
This parameter is
displayed only
when the
Japanese grid code
is selected.
Preferred use of
surplus PV
power
● Charge: When the generated PV
energy is greater than the loads,
excess PV energy is used to charge
the batteries. After the maximum
charge power is reached or the
batteries are fully charged, the excess
PV energy is fed to the grid.
● Fed to grid: When the generated PV
energy is greater than the loads, the
excess PV energy is preferentially fed
to the grid. When the maximum
output power of the inverter/Smart
PCS is reached, the excess energy is
used to charge the batteries. This
setting is applicable to the scenario
where the FIT is higher than the
electricity price. Batteries are used
only for power backup.
-
Maximum
power for
charging
batteries from
grid
Set the maximum power of the grid
during battery charging.
-
Maximum grid
power during
battery
discharge
Control the maximum target grid power
when the grid-connection point has zero
power.
-
Adjustment
deadband
Allowed fluctuation of the target grid
power for the grid-connection point
-
SmartLogger3000
User Manual
6 WebUI Operations
Issue 10 (2022-08-20)
Copyright © Huawei Technologies Co., Ltd.
192