ABB Relion REB500 Product Manual page 39

ABB
Distributed busbar protection REB500
Product version: 8.2
Table 33. Check zone criterion 87CZ (PDIF)
Function/ Parameter
Min. fault current pick-up setting (I
current detection
Stabilizing factor (k)
CT ratio per feeder
The check zone is used as an additional release criterion for busbar protection and operates zone-
independent.
*) For details about pickup accuracy see 1KHL020789-Aen-Verification-Pickup-Value
Recording facilities
Table 34. Event recorder
Event recorder
System events
Protection events
Test events
User activity events
Table 35. Disturbance recorder (RDRE)
Options analog channel
4 currents and
5 voltages
Standard
Extended
Number of disturbance records = total recording time / set recording period (max.40)
Buffer overflow behavior is first in first out.
Independent settings for pre-fault and post-fault period (min. setting 200 ms).
Format: COMTRADE 99
Table 36. Central disturbance recorder (RDRE)
Options analog channels
Standard
Extended
Recording of differential and restraint currents per phase (max. 4) and per buszone (max 32)
Number of disturbance records = total recording time / set recording period (max.40)
Buffer overflow behavior is first in first out.
Independent settings for pre-fault and post-fault period (min. setting 200 ms).
Format: COMTRADE 99
Range/ Value
) neutral 500 to 6000 A in steps of 200 A
kmin
0.0 to 0.9 in steps of 0.05
50 to 10 000/1 A,
50 to 10 000/5 A,
adjustable via HMI
Bay unit
100
-
f Recording period Sample rate selectable
n
50 Hz
60 Hz
X -
X -
Recording period (sample rate fixed)
X
X
4000 Hz 2000 Hz
4800 Hz 2400 Hz
1.5 s 3 s
20 s 20 s
1.5 s
20 s
1MRK 505 352-BEN
Issued: 2016-03-01
Revision: -
Accuracy
±5% of I at I < I
N kmin N
±5% of I at I > I
kmin kmin N
*)
-
-
Central unit
1000
2048
1000 Hz
1200 Hz
6 s
20 s
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