Siemens SIPROTEC 7SK80 User Manual

Functions
2.12 Breaker Failure Protection 50BF
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
204
2.12.3 Settings
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding sec-
ondary nominal current of the current transformer.
2.12.4 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

Siemens SIPROTEC 7SK80 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SK80
Category	Protection Device
Language	English