Feeder protection and control / Feeder protection
1MDB07221-YN
REF601 / REJ601
Product version: 2.2FP2
Issued: 2017-05-09
Revision: A
17
ABB
Table 31.
Negative sequence overcurrent protection, I2> / 46
Parameter
Value (Range)
Start value, ‘I2>”
0.1…1.5 x In, in steps of 0.01
Operate delay time, ‘tI2>’
0.04… 300 s, in steps of 0.1
Block the negative phase sequence protection
0 = No, 1 = Yes
Operation accuracy
± 5.0% of set value
Operation time accuracy
3% of set value or ± 30ms
Reset ratio
0.98
Table 32.
Circuit breaker failure protection, 3I/IoBF / 51BF/51NBF
Parameter
Value (Range)
Operating phase current, ‘ICBFP’
0.2…2.0 x In, in steps of 0.1
Operating neutral current, ‘IoCBFP’
0.1…2.0 x In, in steps of 0.1
Time delay for retrip, ‘tretrip’
0.06…0.5 s, in steps of 0.01
Time delay for backup protection, ‘tbackup’
0.06…0.5 s, in steps of 0.01
Block the circuit breaker failure protection
0 = No, 1 = Yes
Operation accuracy
± 10.0% of set value for ICBFP <= 0.5 x In
± 5.0% of set value for ICBFP > 0.5 x In
Operation time accuracy
3% of set value or ± 30ms
Reset ratio
0.98
Table 33.
Autoreclosing, O -> I / 79
Parameter
Value (Range)
Auto reclose initialization mode, ‘AR start mode’
1 = Trip, 2 = Gen. start and trip
Type of CB ready signal available, ‘CB ready’
1 = OCO, 2 = CO
Number of Auto reclose shots, ‘Shot’ (0 = Auto-reclose not in use)
0…4
Activate t
0.1…5 s, in steps of 0.1
Auto reclose pulse time, ‘Pulse tp’
0.2…20 s, in steps of 0.1
Dead time for first auto reclose shot, ‘Cycle t1’
0.2…300 s, in steps of 0.01
Dead time for second auto reclose shot, ‘Cycle t2’
0.2…300 s, in steps of 0.01
Dead time for third auto reclose shot, ‘Cycle t3’
0.2…300 s, in steps of 0.01
Dead time for fourth auto reclose shot, ‘Cycle t4’
0.2…300 s, in steps of 0.01
Reclaim time, ‘Reclaim tr’
1…300 s, in steps of 1
Auto reclosure block time, ‘Block tb’
1…300 s, in steps of 1
Operation time accuracy
3% of set value or ± 30ms
