ABB REF 610 Technical Reference Manual page 62

REF 610
62
Feeder Protection Relay
Technical Reference Manual - ANSI Version
Fig. 4.1.4.11.-1 Relative sensitivity of lens sensors
Table 4.1.4.11-6 Auto-reclose function
Feature
Number of shots
CB Closing time
Pickup delay of element 51P
Pickup delay of element 51N
Reset time
Cutout time
Open time of shot 1
Open time of shot 2
Open time of shot 3
Operate time accuracy
Table 4.1.4.11-7 CBFAIL
Feature
Set operate time
Phase-current threshold for
external triggering of the CBFAIL
• pick-up/drop-off
ArcSensitREF610_a
Value
0...3
0.1...10 s
0...300 s
0...300 s
3...300 s
0.1...300 s
0.1...300 s
0.1...300 s
0.1...300 s
±2% of the set time
and ±25 ms
Value
0.10...60.0 s
0.08/0.04 x
I (CT)
n
1MRS 755535