Siemens SIPROTEC easy 7SJ45 - Page 73

Manual 7SJ45 Technical Data
C53000-K1174-C001-7 73
Figure 2-14 Reset time characteristic as per IEC Type C
(extremely inverse, E INV)
Figure 2-15 Trip characteristic as per IEC Type V
(extremely inverse, E INV)
Extremely inverse /
(Type C)
0.05 0.1 0.2 0.3 0.5
0.9
0.05
0.1
0.2
0.3
0.5
1
2
3
5
10
20
100
500
0.05
0.10
0.20
0.40
0.80
1.60
3.20
↑
↑↑
↑
T
p
[s]
I/Ip
t[s]
t
58.2
1II
P
⁄()
2
–
-----------------------------
èø
ç÷
ç÷
æö
T
P
s[]⋅=
Extremely inverse /
(Type C)
2 3 5 10 20
0.05 0.10 0.20
0.40
0.80
1.60
3.20
↑
↑↑
↑
←
←←
←
T
p
[s]
I/Ip
1.1
0.05
0.1
0.2
0.3
0.5
1
2
3
5
10
20
100
t[s]
t
80
II
P
⁄()
2
1–
-----------------------------
èø
ç÷
ç÷
æö
T
P
s[]⋅=