Table 7-4 Description of the grid charge parameter
Parameter Description Value Range
Charge from
grid
● After Charge from grid is enabled:
– When the battery capacity is 2%
lower than the End-of-
discharge capacity, the system
forcibly charges batteries from
the power grid. The charging
power is limited to 1 kW. When
the battery capacity is 2% higher
than End-of-discharge capacity,
the system stops charging
batteries from the power grid.
– Except the Maximum self-
consumption control mode, if
the PV power is less than the
preset charge power, the system
charges batteries from the power
grid. The charge power is limited
to 2 kW. When the battery
capacity is higher than Grid
charge cuto SOC, the system
stops charging batteries from the
power grid.
● To set the discharge cuto capacity,
choose Maintenance > Add/Delete
device > Battery > End-of-
discharge capacity on the home
screen. The value range is 12%–
20%, as shown in
Figure 7-16.
● If Charge from grid function is
disabled by default, comply with
the grid charge requirements
stipulated in local laws and
regulations when this function is
enabled.
● Disable
● Enable
----End
7.2.2 AFCI
Function
If PV modules or cables are not properly connected or damaged, electric arcs may
occur, which may cause re. Huawei SUN2000s provide unique arc detection in
compliance with UL 1699B-2018 to ensure the safety of users' lives and property.
SUN2000-(2KTL-6KTL)-L1
User Manual 7 Man-Machine Interaction
Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd. 75
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