25
Fig. 8. RXIDG-type inverse-time characteristics of the low-set overcurrent unit in module
SPCJ 4D24
0.6
0.7
0.8
0.9
1.0
k
1
2
3
5
7
8 9 10
20
I/I>
6
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
7
8
10
20
30
40
50
60
70
t/s
30
40
6
9
0.05
4
0.1
0.2
0.4 0.5
0.3