ABB Relion 670 series - Page 532

PID-3562-OUTPUTSIGNALS v5
Table 257: CCRBRF (50BF) Output signals
Name Type Description
TRBU BOOLEAN Back-up trip by breaker failure protection function
TRBU2 BOOLEAN Second back-up trip by breaker failure protection function
TRRET BOOLEAN Retrip by breaker failure protection function
TRRET_A BOOLEAN Retrip by breaker failure protection function phase A
TRRET_B BOOLEAN Retrip by breaker failure protection function phase B
TRRET_C BOOLEAN Retrip by breaker failure protection function phase C
CBALARM BOOLEAN Alarm for faulty circuit breaker
8.8.5 Settings
PID-3562-SETTINGS v5
Table 258: CCRBRF (50BF) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Disabled/Enabled
FunctionMode Current
Contact
Current/Contact
- - Current Detection for trip based on Current/
Contact/Current&Contact
BuTripMode 2 out of 4
1 out of 3
1 out of 4
- - 1 out of 3 Back-up trip modes: 2 out of 4 or 1 out of 3
or 1 out of 4
RetripMode Retrip Off
CB Pos Check
No CBPos Check
- - Retrip Off Oper mode of re-trip logic: OFF/CB Pos
Check/No CB Pos Check
Pickup_PH 5 - 200 %IB 1 10 Phase current pickup in % of IBase
Pickup_N 2 - 200 %IB 1 10 Operate residual current level in % of IBase
t1 0.000 - 60.000 s 0.001 0.000 Time delay of re-trip
t2 0.000 - 60.000 s 0.001 0.150 Time delay of back-up trip
t2MPh 0.000 - 60.000 s 0.001 0.150 Time delay of back-up trip at multi-phase
pickup
tPulse 0.000 - 60.000 s 0.001 0.200 Trip pulse duration
Table 259: CCRBRF (50BF) Group settings (advanced)
Name Values (Range) Unit Step Default Description
Pickup_BlkCont 5 - 200 %IB 1 20 I> in % of IBase block operation using
Function Mode Contact
t3 0.000 - 60.000 s 0.001 0.030 Additional time delay to 27P2TDLY for a
second back-up trip
tCBAlarm 0.000 - 60.000 s 0.001 5.000 Time delay for alarm when faulty circuit
breaker indicated
Section 8 1MRK 502 066-UUS B
Current protection
526
Technical manual