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Fault Recording
Number of stored fault records
Storage time
Sampling rate at f
= 50 Hz
N
Sampling rate at f
= 60 Hz
N
Statistical Counters
Number of trip events caused by the device
Trips
Number of automatic reclosures initiated by the
device
Total of interrupted currents
Maximum interrupted current
Real Time Clock and Buffer Battery
Resolution for operational messages
Resolution for fault messages
Back-up battery
SIPROTEC, 7VK61, Manual
C53000-G1176-C159-3, Release date 05.2009
Max. 8
Max. 5 s for each fault
Approx. 15 s in total
1 ms
0.83 ms
Pole segregated
Separate for 1-pole and 3-pole AR;
separate for 1st AR cycle
and for all further cyles
Pole segregated
Pole segregated
1 ms
1 ms
Type: 3 V/1 Ah, Type CR 1/2 AA
Self-discharging time approx. 10 years
Technical Data
4.9 Auxiliary Functions
261
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