Siemens siprotec 7SA6, Manual

Page: 713 / 876

Technical Data
10-45
7SA6 Manual
C53000-G1176-C156
Thermal measured values
Θ
L1
/
Θ
TRIP
;
Θ
L2
/
Θ
TRIP
;
Θ
L3
/
Θ
TRIP
;
Θ
/
Θ
TRIP
related to tripping temperature rise
Operational measured values
of synchro check
U
line
; U
sync
; U
diff
in kV primary
f
line
; f
sync
; f
diff
in Hz;
ϕ
diff
in °
Measured values of earth fault I
Ea
; I
Er
(active and reactive component
detection in non-earthed systems of earth fault current (residual current)
in A primary and mA secondary
Long–term mean value I
L1
dmd; I
L2
dmd; I
L3
dmd; I
1
dmd;
Pdmd; Pdmd Forw, Pdmd Rev;
Qdmd; QdmdForw; QdmdRev;
Sdmd
in primary values
Minimum and maximum values I
L1
; I
L2
; I
L3
; I
1
; I
L1
d; I
L2
d; I
L3
d; I
1
d;
U
L1–E
; U
L2–E
; U
L3–E
; U
1
;
U
L1–L2
; U
L2–L3
; U
L3–L1
;3U
0
;
PForw; PRev; QForw; QRev; S;
Pd; Qd; Sd;
cos
ϕ
Pos; cos
ϕ
Neg; f
in primary values
Remote measured values
for currents
I
L1
; I
L2
; I
L3
of remote end
ϕ
(I
L1
);
ϕ
(I
L2
);
ϕ
(I
L3
) (remote
versus local) in °
Remote measured values
for voltages
U
L1
; U
L2
; U
L3
of remote end
ϕ
(U
L1
);
ϕ
(U
L2
);
ϕ
(U
L3
) (remote
versus local) in°
Analog Outputs
(optional) Quantity max. 4 (dependent on order variant)
Possible measured values I
L2
; U
L2–L3
; |P|; |Q| in %
Possible fault values fault distance d in % or km/miles;
latest max. fault current
Range 0 mA to 22.5 mA
Output time for fault values 0.10 s to 180.00 s;
∞
(steps 0.01 s)
Operation Event
Log Buffer Capacity 200 records
Earth Fault
Detection Buffer
(Non-earthed
Systems) Capacity 8 earth faults with a total sum of max.
200 records
Fault Protocol
(Trip Log Buffer) Capacity 8 faults with a total sum of max.
600 records
Fault Recording Number of stored fault records max. 8