Siemens SIPROTEC easy 7SJ45 Manual page 72

Manual 7SJ45
500
3.20
100
1.60
0.80
20
0.40
10
0.20
5
0.10
3
0.05
2
1
0.5
0.3
0.2
↑ ↑ ↑ ↑
0.1 T [s]
p
0.05
0.05 0.1
Figure 2-12 Reset time characteristic as per IEC Type B
(very inverse, V INV)
Very inverse /
(Type B)
C53000-K1174-C001-7
0.2 0.3 0.5
I/Ip
æ ö
ç ÷
43.2
⋅ s [ ]
t ---------------------------- - T
=
ç ÷
P
2
( ⁄ )
è ø
1 I I
–
P
100
20
10
5
3
2
1
0.5
0.3
0.2
0.1
0.05
1.1
0.9
Figure 2-13
Very inverse /
(Type B)
2 3 5
I/Ip
Trip characteristic as per IEC Type B
(very inverse, V INV)
æ
13.5
t --------------------
=
è
⁄
I I P
Technical Data
3.20
1.60
0.80
0.40
0.20
0.10
↑ ↑ ↑ ↑
10 20
← ← ← ←
T [s]
0.05
p
ö T
⋅ s [ ]
ø
P
1
–
72