Ips Check (For Italy Cei0-21 Grid Code Only) - Huawei SUN600-5KTL-L0 User Manual

SUN600-(5KTL, 6KTL)-L0
User Manual

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 Inverter. During the self-
check, the Inverter 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).
Procedure
Step 1 On the home screen, choose Maintenance > IPS test to access the IPS test screen.
Step 2 Tap Start to start an IPS test. The Inverter detects 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), and minimum underfrequency (81.S1), and minimum underfrequency
(81.S2).
Figure 7-11 IPS test
Table 7-3 IPS test type
IPS Test Type
Maximum voltage
over 10 min
(59.S1)
Issue 04 (2023-02-17)
Description
The default maximum voltage over 10 min protection
threshold is 253 V (1.10 Vn), and the default protection
time threshold is 3s.
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