ABB SPAJ 141 C - Page 50

18
PAINOS
PAINOS
13
4
5
6
7
89102
20
I/I>
0.05
0.1
0.2
0.3
0.4
0.6
0.8
1.0
k
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
6
7
8
9
10
20
30
40
70
60
50
t/s
12
3
4
5
678910
2 0 I/I>
0.05
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
k
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
6
7
8
9
10
20
70
60
50
40
30
t/s
Fig. 3. Inverse-time characteristics of the low-set overcurrent unit in relay module SPCJ 4D24
a) Extremely inverse b) Very inverse