System-disconnection relay EU400 NA-protection
42
Subject to technical changes
Adjustment values VSE: NA/EEA-NE-7 - CH 2020 A.2.3 IPE > 250 kVA (1)
Funktion
VSE:
NA/EEA
-NE-7
- CH
2020
Hager
Adjustment
range of the
protective
relay
in the external IR
protection relay
in the inverter
Voltage increase protection
U>>
U¯ ¯
1,00
– 1,30 Un 1,20 Un ≤ 100 ms 1,20 Un ≤ 100 ms
Voltage increase protection
(10min moving average)
U>
U¯
1,00
– 1,30 Un 1,10 Un ≤ 100 ms
1,10
–
1,15 Un
≤ 100 ms
Voltage decrease protection
U<
U_
0,10
– 1,00 Un
0,8 Un
1,5 s
0,8 Un
1,5 s
Voltage decrease protection
U<<
U_ _
0,10
– 1,00 Un 0,45 Un 300 ms 0,45 Un 300 ms
Frequency increase
protection
f>
F¯
50,0
– 65,0 Hz
51,5 Hz
≤ 100 ms 51,5 Hz ≤ 100 ms
Frequency decrease
protection
f<
F_
45,0
– 50,0 Hz
47,5 Hz
≤ 100 ms 47,5 Hz ≤ 100 ms
Inselnetzerkennung
Active if available
Active within 5 s
FRT-Funktionalität
-
-
Active Compliance
with typical CAI
type 2 u(t) curve
Blindstromeinspeisung bei FRT
-
-
With
dynamic grid
support with
reactive power
injection
Blindleistungsregelung cosϕ
-
-
Distribution
System Operator
setpoint (default
cos
ϕ =1) )
Fernsteuerung
-
-
Distribution
System Operator
setpoint
Table 9: Example of protection settings for a photovoltaic system A2.3 > 250 kVA
