generates the AFCI alarm, tap Alarm management, and tap Clear on the
right of the DC arc fault alarm to clear the alarm.
Figure 7-15 Alarm management
● Method 2: FusionSolar Smart PV Management System
Log in to the FusionSolar Smart PV Management System using a non-owner
account, choose Maintenance > Alarm Management, select the DC arc fault
alarm, and click Clear to clear the alarm.
Figure 7-16 Clearing alarms
Switch to the owner account with PV plant management rights. On the home
page, click the PV plant name to go to the PV plant page, and click OK as
prompted to clear the alarm.
7.2.3 IPS Check (for Italy CEI0-21 Grid Code Only)
Function
The Italy CEI0-21 grid code requires an IPS check for the SUN2000. During the
self-check, the SUN2000 checks the protection threshold and protection time of
the maximum voltage over 10 min (59.S1), maximum overvoltage (59.S2),
minimum undervoltage (27.S1), minimum undervoltage (27.S2), maximum
overfrequency (81.S1), maximum overfrequency (81.S2), minimum
underfrequency (81.S), and minimum underfrequency (81.S2).
SUN2000-(2KTL-6KTL)-L1
User Manual 7 Man-Machine Interaction
Issue 10 (2023-02-13) Copyright © Huawei Technologies Co., Ltd. 84
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