Siemens siprotec 7SA6 User Manual page 667

Analog Outputs
(optional)
Operation Event
Log Buffer
Earth Fault
Detection Buffer
(Non-earthed
Systems)
Fault Protocol
(Trip Log Buffer)
Fault Recording
Statistics
Real Time Clock
and Buffer Battery
7SA6 Manual
C53000-G1176-C133-1
Long–term mean value
Minimum and maximum values
Quantity
Possible measured values
Possible fault values
Range
Output time for fault values
Capacity
Capacity
Capacity
Number of stored fault records
Total storage period
Sampling rate at f = 50 Hz
N
Sampling rate at f = 60 Hz
N
Number of trip events caused by
7SA6
Total of interrupted currents
caused by 7SA6
Resolution for operational events
Resolution for fault events
Buffer battery
I dmd; I dmd; I dmd; I
L1 L2 L3
Pdmd; Pdmd Forw, Pdmd Rev;
Qdmd; QdmdForw; QdmdRev;
Sdmd
in primary values
I ; I ; I ; I ; I d; I d; I
L1 L2 L3 1 L1 L2
U ; U ; U ; U
L1–E L2–E L3–E
U ; U ; U ;3U
L1–L2 L2–L3 L3–L1
PForw; PRev; QForw; QRev; S;
Pd; Qd; Sd;
cos ϕ Pos; cos ϕ Neg; f
in primary values
max. 4 (dependent on order variant)
I ; U ; |P|; |Q| in %
L2 L2–L3
fault distance d in % or km/miles;
latest max. fault current
0 mA to 22.5 mA
0.10 s to 30.00 s; ∞
200 records
8 earth faults with a total sum of max.
200 records
8 faults with a total sum of max.
600 records
max. 8
max. 5 s for each fault
approx. 15 s totally
1 ms
0.83 ms
pole segregated
pole segregated
1 ms
1 ms
3 V/1 Ah, type CR 1/2 AA
self-discharging time approx. 10 years
Technical Data
dmd;
1
d; I d;
L3 1
;
1
;
0
(steps 0.01 s)
10-39