Afci - Huawei SUN2000-2KTL-L1 User Manual

SUN2000-(2KTL-6KTL)-L1
User Manual
Table 7-4 Description of the grid charge parameter
Parameter
Charge from
grid
----End

7.2.2 AFCI

Function
If PV modules or cables are incorrectly connected or damaged, electric arcs may
be generated, which may cause fire. Huawei solar inverters provide arc detection
meets the requirement of UL 1699B-2018, ensuring the user safety and property.
Issue 03 (2020-07-20)
Description
● 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 cutoff SOC, the system
stops charging batteries from the
power grid.
● To set the discharge cutoff capacity,
choose Maintenance > Add/Delete
device > Battery > End-of-
discharge capacity on the home
screen. The value range is 12%–
20%, as shown in
● 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.
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7 Man-Machine Interaction
Figure 7-16.
Value Range
● Disable
● Enable
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