Siemens SIPROTEC easy 7SJ45 - Page 75

Manual 7SJ45 Technical Data
C53000-K1174-C001-7 75
Figure 2-18 Reset time characteristic as per ANSI,
very inverse, (V INV)
Figure 2-19 Pickup characteristic as per ANSI,
very inverse, (V INV)
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
200
500
0.50
1.00
2.00
5.00
10.00
15.00
↑
↑↑
↑
D[s]
I/Ip
t[s]
t
4.32
1II
P
⁄()
2
–
-----------------------------
èø
ç÷
ç÷
æö
Ds[]⋅=
2 3 5 10 20
0.50
1.00
2.00
5.00
10.00
15.00
↑
↑↑
↑
D[s]
I/Ip
1.1
0.05
0.1
0.2
0.3
0.5
1
2
3
5
10
20
100
200
t[s]
500
t
3.922
II
P
⁄()
2
1–
-----------------------------
0.0982+
èø
ç÷
ç÷
æö
Ds[]⋅=