ABB REF 610 - Page 30

q
1000
100000
10000
t/s
100
10
1
0
1
1
10
5
10
15
25
40
60
90
t[min]
I/I
1.05
A040313
Fig. 5.1.4.4.-1 Trip curves when no prior load
30
REF 610REF 610
Feeder Protection Relay
Technical Reference Manual
1MRS755310