Rockwell Automation 865 Differential Protection Relay - Manual (Page 180)

10-10 Technical
Data
865-UM001A-EN-P – July 2009
Table 10.25 –Arc protection stage ArcI 0 > (50AR), option (cont.)
Inaccuracy:
- Starting
10% of the set value
- Operating time ±5 ms
- Delayed ARC light ±10 ms
Table 10.26 – Arc protection stage ArcI 02 > (50AR), option
Setting range 0.5 - 10.0 x I
n
Arc sensor connection S1, S2, S1/S2, BI, S1/BI, S2/BI, S1/S2/BI
- Operating time (Light only) 13 ms
- Operating time (4xIset + light) 17ms
- Operating time (BIN) 10 ms
- BO operating time <3 ms
Reset time <95 ms
Reset time (Delayed ARC L) <120 ms
Reset time (BO) <80 ms
Reset ratio 0.90
Inaccuracy:
- Starting
10% of the set value
- Operating time ±5 ms
- Delayed ARC light ±10 ms
Supporting Functions Disturbance Recorder (DR)
The operation of disturbance recorder depends on the following settings.
The recording time and the number of records depend on the time setting
and the number of selected channels.
Table 10.27 – Disturbance recorder (DR)
Mode of recording: Saturated / Overflow
Sample rate:
- Waveform recording
- Trend curve recording
32/cycle, 16/cycle, 8/cycle
10, 20, 200 ms
1, 5, 10, 15, 30 s
1 min
Recording time (one record)
0.1 s – 12 000 min
(must be shorter than MAX time)
Pre-trigger rate 0 – 100%
Number of selected channels 0 – 12