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Functions
2.16 Breaker Failure Protection 50BF
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
283
2.16.3
Settings
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding sec-
ondary nominal current of the current transformer.
2.16.4
Information List
Addr.
Parameter
C
Setting Options
Default Setting
Comments
7001
FCT 50BF
OFF
ON
OFF
50BF Breaker Failure Pro-
tection
7004
Chk BRK CONTACT
OFF
ON
OFF
Check Breaker contacts
7005
TRIP-Timer
0.06 .. 60.00 sec;
∞
0.25 sec
TRIP-Timer
7006
50BF PICKUP
1A
0.05 .. 20.00 A
0.10 A
50BF Pickup current
threshold
5A
0.25 .. 100.00 A
0.50 A
7007
50BF PICKUP IE>
1A
0.05 .. 20.00 A
0.10 A
50BF Pickup earth current
threshold
5A
0.25 .. 100.00 A
0.50 A
No.
Information
Type of In-
formation
Comments
1403
>BLOCK 50BF
SP
>BLOCK 50BF
1431
>50BF ext SRC
SP
>50BF initiated externally
1451
50BF OFF
OUT
50BF is switched OFF
1452
50BF BLOCK
OUT
50BF is BLOCKED
1453
50BF ACTIVE
OUT
50BF is ACTIVE
1456
50BF int Pickup
OUT
50BF (internal) PICKUP
1457
50BF ext Pickup
OUT
50BF (external) PICKUP
1471
50BF TRIP
OUT
50BF TRIP
1480
50BF int TRIP
OUT
50BF (internal) TRIP
1481
50BF ext TRIP
OUT
50BF (external) TRIP
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