ABB RET670 Product Manual page 77

ABB
Transformer protection RET670
Pre-configured
Product version: 1.1
Table 63. Disturbance report DRPRDRE
Function
Pre-fault time
Post-fault time
Limit time
Maximum number of recordings
Time tagging resolution
Maximum number of analog inputs
Maximum number of binary inputs
Maximum number of phasors in the Trip
Value recorder per recording
Maximum number of indications in a
disturbance report
Maximum number of events in the Event
recording per recording
Maximum number of events in the Event
list
Maximum total recording time (3.4 s
recording time and maximum number of
channels, typical value)
Sampling rate
Recording bandwidth
Table 64. Event list
Function
Buffer capacity
Resolution
Accuracy
Range or value
(0.05–1.00) s
(0.1–10.0) s
(0.5–10.0) s
100
1 ms
30 + 10 (external +
internally derived)
96
30
96
150
1000, first in - first out
340 seconds (100
recordings) at 50 Hz, 280
seconds (80 recordings)
at 60 Hz
1 kHz at 50 Hz
1.2 kHz at 60 Hz
(5-300) Hz
Maximum number of events in
the list
1MRK 504 091-BEN B
Issued: June 2010
Accuracy
-
-
-
-
See table 85
-
-
-
-
-
-
-
-
-
Value
1000
1 ms
Depending on time
synchronizing
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