ABB Relion 670 Series Technical Reference Manual page 467

1MRK505222-UUS C
7.8.5
Table 221: CCRBRF (50BF) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IBase 1 - 99999
FunctionMode Current
Contact
Current&Contact
BuTripMode 2 out of 4
1 out of 3
1 out of 4
RetripMode Retrip Off
CB Pos Check
No CBPos Check
Pickup_PH 5 - 200
Pickup_N 2 - 200
t1 0.000 - 60.000
t2 0.000 - 60.000
t2MPh 0.000 - 60.000
tPulse 0.000 - 60.000
Table 222: CCRBRF (50BF) Group settings (advanced)
Name Values (Range)
Pickup_BlkCont 5 - 200
t3 0.000 - 60.000
tCBAlarm 0.000 - 60.000
7.8.6
Technical reference manual
Setting parameters
Unit Step
- -
A 1
- -
- -
- -
%IB 1
%IB 1
s 0.001
s 0.001
s 0.001
s 0.001
Unit Step
%IB 1
s 0.001
s 0.001
Technical data
Table 223: CCRBRF (50BF) technical data
Function
Operate phase current
Reset ratio, phase current
Operate residual current
Table continues on next page
Default
Disabled
3000
Current
1 out of 3
Retrip Off
10
10
0.000
0.150
0.150
0.200
Default
20
0.030
5.000
Range or value
lBase
(5-200)% of
> 95%
lBase
(2-200)% of
Current protection
Description
Disable/Enable Operation
Base current
Detection principle for back-up trip
Back-up trip mode
Operation mode of re-trip logic
Phase current pickup in % of IBase
Operate residual current level in % of IBase
Time delay of re-trip
Time delay of back-up trip
Time delay of back-up trip at multi-phase
pickup
Trip pulse duration
Description
Current for blocking of CB contact operation
in % of IBase
Additional time delay to 27P2TDLY for a
second back-up trip
Time delay for CB faulty signal
Accuracy
± 1.0% of I at I £ I
n
± 1.0% of I at I > I
-
± 1.0% of I at I £ I
n
± 1.0% of I at I > I
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