ZIEHL UFR1001E, Operating Instructions Manual

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UFR1001E 12420-0701-03 Page 36 / 36 www.ziehl.de
17. Adjustment values table VDE-AR-N 4105, Low Voltage Pr 1+2
Protective function
AR
4105
ZIEHL 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>
UM
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
18. Adjustment values table BDEW June 2008, acc 3.2.3.3-1,
Medium Voltage Pr 3-6
Function Adjustment range
of the protective
relay
Default settings
Voltage increase protection U>> 1.00
– 1.30 U
n
1.15 U
n
100 ms
Voltage increase protection U> 1.00
– 1.30 U
n
1.08 U
n
60 s
Voltage decrease protection U< 0.15
– 1.00 U
n
0.80 U
n
2.7 s
Voltage decrease protection U<< * 0.15
– 1.00 U
n
0.45 U
n
300 ms
Frequency increase protection f> 50.0
– 65.0 Hz
51.5Hz 100 ms
Frequency decrease protection f< 45.0
– 50.0 Hz
47.5Hz 100 ms
* Not enabled in as delivered condition