Technical Data
4.18 Additional Functions
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
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Fault Logging
Fault Recording
Statistics (Serial Protection Data Interface)
Switching Statistics
Real-Time Assignment and Backup Battery
Commissioning Aids
Clock
Capacity 8 fault records with up to 600°entries max. and up to 100 signals
as binary signal traces (markers)
maximum 8 fault records saved by buffer battery also through auxiliary voltage failure
Recording time 5 s per fault record, in total up to 18 s at 50 Hz
(max. 15 s at 60 Hz)
Scanning rate at 50 Hz
Scanning rate at 60 Hz
1 instantaneous value per 1.0 ms
1 instantaneous value per 0.83 ms
Availability of transmission for applications with protec-
tion data interface
Availability in %/min and %/h
Time delay of transmission Resolution 0.01 ms
Number of automatic reclosures
initiated by the device
Separately for 1st AR cycle
and for all further cycles
Total of interrupted currents separately for each breaker pole
Maximum interrupted current separately for each breaker pole
Resolution for operational events 1 ms
Resolution for fault events 1 ms
Buffer battery Type: 3 V/1 Ah, Type CR 1/2 AA
self-discharging time approx. 10 years
Operational measured values
Circuit breaker / switch test
Time synchronization DCF 77/IRIG-B signal (telegram format IRIG-B000)
Binary input
Communication
Operating modes of time synchronization
No. Operating mode Comments
1 Internal Internal synchronization using RTC (presetting)
2 IEC 60870-5-103 External synchronization using system interface (IEC 60870-5-103)
3 Time signal IRIG B External synchronization via IRIG B (telegram format IRIG-B000)
4 Time signal DCF 77 External synchronization using DCF 77
5 Pulse via binary input External synchronization with pulse via binary input