Siemens SIPROTEC easy 7SJ45, Manual

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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
1 I I
P
⁄ ( )
2
–
-----------------------------
è ø
ç ÷
ç ÷
æ ö
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
I I
P
⁄ ( )
2
1 –
-----------------------------
è ø
ç ÷
ç ÷
æ ö
T
P
s
[ ] ⋅
=