ABB RET670 Product Manual page 68

Transformer protection RET670 ANSI
Pre-configured
Product version: 1.2
Table 50. 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 Sequence of events
Maximum total recording time (3.4 s recording time and
maximum number of channels, typical value)
Sampling rate
Recording bandwidth
Table 51. Event list
Function
Buffer capacity
Resolution
Accuracy
Table 52. Indications
Function
Buffer capacity Maximum number of indications presented for single
disturbance
Maximum number of recorded disturbances
68
Range or value
(0.05–9.90) s
(0.1–10.0) s
(0.5–10.0) s
100, first in - first out
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 504 118-BUS A
Accuracy
-
-
-
-
See table 74
-
-
-
-
-
-
-
-
-
Value
1000
1 ms
Depending on time synchronizing
Value
96
100
ABB