Siemens SIPROTEC 7SA6 Manual page 714

Distance protection relay for all voltage levels
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Technical Data
Statistics
Real Time Clock
and Buffer Battery
10-46
Total storage period
Sampling rate at f
= 50 Hz
N
Sampling rate at f
= 60 Hz
N
Number of trip events caused by
7SA6
Number of automatic reclosures
initiated by the device
Total of interrupted currents
caused by 7SA6
Maximum interrupted current
Availability of the transmission
Delay time of transmission
Resolution for operational events
Resolution for fault events
Buffer battery
max. 5 s for each fault
approx. 15 s totally
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
availability in %/min and %/h
resolution 0.01 ms
1 ms
1 ms
3 V/1 Ah, type CR 1/2 AA
self-discharging time approx. 10 years
7SA6 Manual
C53000-G1176-C156

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