Siemens SIPROTEC easy 7SJ45, Manual

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Manual 7SJ45 Technical Data
C53000-K1174-C001-7 72
Figure 2-12 Reset time characteristic as per IEC Type B
(very inverse, V INV) Figure 2-13 Trip characteristic as per IEC Type B
(very inverse, V INV)
Very inverse /
(Type B)
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
43.2
1 I I
P
⁄ ( )
–
2
-----------------------------
è ø
ç ÷
ç ÷
æ ö
T
P
s
[ ] ⋅
=
Very inverse /
(Type B)
1.1
2 3 5 10 20
0.05
0.10
0.20
0.40
0.80
1.60
3.20
↑↑↑↑
← ← ← ← T
p
[s]
I/Ip
0.05
0.1
0.2
0.3
0.5
1
2
3
5
10
20
100
t[
s]
t
13.5
I I
P
⁄
1
–
--------------------
è ø
æ ö
T
P
s
[ ] ⋅
=