ABB REB500 - Configuration

Section 5 1MRK 505 350-UEN
Additional protection options
50 Technical Manual
Distributed busbar protection REB500
If the input “17610_PDF ext release” is not configured, the function is enabled by
default.
The breaker pole discrepancy protection does not intertrip the respective busbar
zone.
Figure 19 External plausibility check
Under certain conditions, the breaker at the remote end or possibly
some other breaker may be involved without a plausibility check.
5.5.2 Configuration
Breaker pole discrepancy protection settings:
Table 36 Setting parameters of the breaker pole discrepancy protection
Parameters Min. Max. Default Step Unit
PDF enabled
Disabled
Setting I
mset
0.1
2.0
0.2
0.1
I
N
Delay
100
10000
1500
100
ms
Discrepancy factor
D
pd
set
0.01
0.99
0.6
0.01
I
max
Where single-phase auto-reclosure is being applied on a line, the time delay of the
breaker pole discrepancy protection must be set longer than the total auto-reclosure
cycle time. The pick-up value is given by the maximum current multiplied by the
discrepancy factor.
L
1
L
2
L
3
CB CLOSE signal
L
1
L
2
L
3
CB OPEN signal
+
17610_PDF ext release