System-disconnection relay EU400 NA-protection
39
Subject to technical changes
Adjustment values table VDE-AR-N 4105:2011, Low Voltage Pr 1+7
Protective function
AR
4105
Hager in * Un
in % Un
Adjustment
value
Tripping
time
dAL
OFF-delay
time
doF
Voltage decrease protection
U<
U_
0.8 * Un 80 % Un
184 V
100 ms
60 s
Voltage increase protection
(10-minutes mean value)
U>
UՈ
1.1 * Un 110% Un
253V
100 ms
60 s
Voltage increase protection
U>>
U¯
1.15 *
Un
115% Un
264V
100 ms
60 s
Frequency decrease
protection
f<
F_
47.5Hz
100 ms
60 s
Frequency increase protection
f>
F¯
51.5Hz
100 ms
60 s
Switching conditions
UFon
off
Adjustment values table BDEW June 2008, acc 3.2.3.3-1,
Medium Voltage Pr 3-6
Function
BDEW
Hager
Adjustment
range of the
protective relay
Default settings
Voltage increase protection
U>>
U¯ ¯
1.00
– 1.30 U
n
1.15 U
n
100 ms
Voltage increase protection
U>
U¯
1.00
– 1.30 U
n
1.08 U
n
60 s
Voltage decrease protection
U<
U_
0.10
– 1.00 U
n
0.80 U
n
2.7 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
51.5Hz
100 ms
Frequency decrease protection
f<
F_
45.0
– 50.0 Hz
47.5Hz
100 ms
Switching conditions
UFon
off
* Not enabled in as delivered condition