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14
Adjustment values according to VDE and BDEW
14.1 VDE-AR-N 4105:2011, Section 6.5.2, Low Voltage
– Pr1.01 + Pr1.07
Protective function
AR
4105
in * Un
in % Un
Adjustment
value
Tripping time
Delay alarm on
OFF-delay
Delay alarm off
Voltage decrease protection
U <
0,8 * Un
80 % Un
184 V
100 ms
60 s
Voltage increase protection
(10-minutes mean value)
U >
1,1 * Un 110 % Un
253 V
100 ms
60 s
Voltage increase protection
U >> 1,15 * Un 115 % Un
264 V
100 ms
60 s
Frequency decrease
protection
f <
47,5 Hz
100 ms
60 s
Frequency increase protection
f >
51,5 Hz
100 ms
60 s
Switching conditions after alarms
triggered
14.2 BDEW June 2008, acc. 3.2.3.3-1, Medium Voltage
– Pr1.03 … Pr1.06
Funktion
BDEW
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 <
0,10
– 1,00 U
n
0,80 U
n
2,7 s
Voltage decrease protection *
U <<
0,10
– 1,00 U
n
0,45 U
n
300 ms
Frequency increase protection
f >
50,0
– 65,0 Hz
51,5 Hz
100 ms
Frequency decrease protection
f <
45,0
– 50,0 Hz
47,5 Hz
100 ms
Switching conditions after alarms
triggered
•
* Not enabled in as delivered condition
•
Reset time "Delay alarm off" for all limit values set ex works: 60 s
14.3 VDE-AR-N 4105:2018-11 Low Voltage, acc. 6. table 2
– Pr1.02
Adjustment values for converters
Protective function
AR-N
4105
in * Un
in % Un
Adjustment
value
Tripping time
Delay alarm on
OFF-delay
Delay alarm off
Voltage increase protection
U >> 1,25 * Un 125 % Un
287 V
100 ms
60 s
Voltage increase protection
(10-minutes mean value)
U >
1,1 * Un 110 % Un
253 V
100 ms
60 s
Voltage decrease protection
U <
0,8 * Un
80 % Un
184 V
3,0 s
60 s
Voltage decrease protection
U << 0,45 * Un 45 % Un
103 V
300 ms
60 s
Frequency increase protection
f >
51,5 Hz
100 ms
60 s
Frequency decrease protection
f <
47,5 Hz
100 ms
60 s
Switching conditions after alarms
triggered
