System-disconnection relay EU400 NA-protection
41
Subject to technical changes
Adjustment values VDE-AR-N 4110:2018-11, Medium Voltage Unit Protection
Pr 13+14
Acc. to 10.3.5.3 table 13, protection at the generating units
Funktion
AR
4110
Hager
Adjustment
range of the
protective relay
Default settings
Voltage increase protection
U>>
U¯ ¯
1,00
– 1,30 U
n
1,25 U
n
100 ms
Voltage decrease protection
U<
U_
0,10
– 1,00 U
n
0,80 U
n
1,0 s
Voltage decrease protection
U<<
U_ _
0,10
– 1,00 U
n
0,45 U
n
300 ms
Frequency increase protection
f>>
F¯ ¯
50,0
– 65,0 Hz
52,5 Hz
100 ms
Frequency increase protection
f>
F¯
50,0
– 65,0 Hz
51,5 Hz
5,0 s
Frequency decrease
protection
f<
F_
45,0
– 50,0 Hz
47,5 Hz
100 ms
Switching conditions
UFon
on
Adjustment values VSE: NA/EEA-NE-7 - CH 2020 A.2.2 IPE > 30 kVA und ≤
250 kVA (5)
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
-
-
Without
limited
dynamic grid
support
Blindleistungsregelung cosϕ
-
-
Distribution
System Operator
setpoint (default
cos
ϕ =1) )
Fernsteuerung
-
-
Distribution
System Operator
setpoint
Table 8: Protection
settings Example A2.2 PVA > 30 kVA and ≤ 250 kVA
