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Functions
2.10 Monitoring Functions
Note
The setting under address 5310 BLOCK PROT. has no effect on the flexible protection functions. A separate
blocking can be selected for that purpose.
The function may be disabled in address 5301 FUSE FAIL MON., e.g. when performing asymmetrical tests.
2.10.1.8 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
5201
VT BROKEN WIRE
Σ V>
5202
5203
Vph-ph max<
5204
Vph-ph min<
5205
Vph-ph max-min>
5206
I min>
5208
T DELAY ALARM
5301
FUSE FAIL MON.
5302
FUSE FAIL 3Vo
5303
FUSE FAIL RESID
5308A
FFM Idiff (3ph)
5310
BLOCK PROT.
8101
MEASURE. SUPERV
8102
BALANCE V-LIMIT
8103
BAL. FACTOR V
8104
BALANCE I LIMIT
176
C
Setting Options
ON
OFF
1.0 .. 100.0 V
1.0 .. 100.0 V
1.0 .. 100.0 V
10.0 .. 200.0 V
1A
0.04 .. 1.00 A
5A
0.20 .. 5.00 A
0.00 .. 32.00 sec
OFF
Solid grounded
Coil.gnd./isol.
10 .. 100 V
1A
0.10 .. 1.00 A
5A
0.50 .. 5.00 A
1A
0.05 .. 1.00 A
5A
0.25 .. 5.00 A
NO
YES
OFF
ON
10 .. 100 V
0.58 .. 0.90
1A
0.10 .. 1.00 A
5A
0.50 .. 5.00 A
Default Setting
OFF
VT broken wire supervi-
sion
8.0 V
Threshold voltage sum
16.0 V
Maximum phase to phase
voltage
16.0 V
Minimum phase to phase
voltage
16.0 V
Symmetry phase to phase
voltages
0.04 A
Minimum line current
0.20 A
1.25 sec
Alarm delay time
OFF
Fuse Fail Monitor
30 V
Zero Sequence Voltage
0.10 A
Residual Current
0.50 A
0.10 A
Differential Current
Threshold (3phase)
0.50 A
YES
Block protection by FFM
ON
Measurement Supervision
50 V
Voltage Threshold for
Balance Monitoring
0.75
Balance Factor for Voltage
Monitor
0.50 A
Current Threshold for
Balance Monitoring
2.50 A
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
Comments
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