Settings - Siemens SIPROTEC 7SC80 Series Manual

Functions
2.1 General

2.1.3.3 Settings

Addresses which have an appended "A" can only be changed with DIGSI, under "Display Additional Settings".
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding sec-
ondary nominal current of the current transformer.
Addr. Parameter
201 CT Starpoint
202 Vnom PRIMARY
203 Vnom SECONDARY
204 CT PRIMARY
205 CT SECONDARY
206A Vph/Vdelta
209 PHASE SEQ.
210A TMin TRIP CMD
211A TMax CLOSE CMD
212 BkrClosed I MIN
213 VT Connect. 3ph
214 Rated Frequency
215 Distance Unit
217 Ignd-CT PRIM
218 Ignd-CT SEC
250A 50/51 2-ph prot
Holmgr. for Σi
280
325 Vnom sec Vx
330 Iph-prim nom
331 Iph-LPS prim
40
C Setting Options
towards Line
towards Busbar
0.10 .. 800.00 kV
34 .. 400 V
10 .. 50000 A
1A
5A
1.00 .. 3.00
A B C
A C B
0.01 .. 32.00 sec
0.01 .. 32.00 sec
1A 0.04 .. 1.00 A
5A 0.20 .. 5.00 A
Van, Vbn, Vcn
Vab, Vbc, VGnd
Vab, Vbc
50 Hz
60 Hz
km
Miles
1 .. 50000 A
1A
5A
OFF
ON
NO
YES
34 .. 230 V
10 .. 50000 A
10 .. 50000 A
Default Setting
towards Line CT Starpoint
20.00 kV Rated Primary Voltage
100 V Rated Secondary Voltage
(L-L)
400 A CT Rated Primary Current
1A CT Rated Secondary
Current
1.73 Matching ratio Phase-VT
To Open-Delta-VT
A B C Phase Sequence
0.15 sec Minimum TRIP Command
Duration
1.00 sec Maximum Close
Command Duration
0.04 A Closed Breaker Min.
Current Threshold
0.20 A
Van, Vbn, Vcn VT Connection, three-
phase
50 Hz Rated Frequency
km Distance measurement
unit
60 A Ignd-CT rated primary
current
1A Ignd-CT rated secondary
current
OFF 50, 51 Time Overcurrent
with 2ph. prot.
NO Holmgreen conn. (for fast
sum-i-monit.)
100 V Rated Secondary Voltage
Vx
400 A Primary nominal phase
current for prot.
400 A Rated primary phase
current LPS
SIPROTEC, 7SC80, Manual
E50417-G1140-C486-A1, Release date 12.2011
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