ABB REF 610 Technical Reference Manual page 47

1MRS 755535
Feeder Protection Relay
Technical Reference Manual - ANSI Version
Table 4.1.4.10-1 Setting values
Setting Description
τ
Time constant of element 49
Alarm level of element 49
49 Alarm
CBFAIL Operate time of CBFAIL
79 Number of AR shots
Arc50P Current limit Arc51P of element ARC 0.50...35.0 x
Arc50N Current limit Arc51N of element ARC 5.0...400%
REF 610
Setting range Default setting
1...200 min 1 min
50...100% 49 trip 95% 49 trip
0.10...60.0 s 0.10 s
0 = AR is not in use 0
1 = shot 1
2 = shot 1 and 2
3 = shot 1, 2 and 3
2.50 x
I (CT)
n
20.0%
I (CT)
n
I (CT)
n
I (CT)
n
47