Siemens SIPROTEC easy 7SJ45 Handbuch Seite 74

Manual 7SJ45
500
200
100
20
15.00
10
10.00
5
5.00
3
2
2.00
1
1.00
0.5
0.50
0.3
0.2
↑ ↑ ↑ ↑
0.1
D [s]
0.05
0.05 0.1 0.2
Figure 2-16 Reset time characteristic as per ANSI,
moderately inverse, (M INV)
æ
ç
t ---------------------------- -
=
ç
è
1 –
C53000-K1174-C001-7
0.3 0.5 0.9
I/Ip
ö
0.97 ÷
⋅ s [ ]
D
÷
2
( ⁄ )
ø
I I P
500
200
100
20
10
5
3
2
1
0.5
0.3
0.2
0.1
0.05
2 3
1.1
Figure 2-17 Pickup characteristic as per ANSI,
moderately inverse, (M INV)
æ
ç 0.0103
t ------------------------------------- -
=
ç
0.02
( ⁄ )
è
I I P
Technical Data
5 10 20
I/Ip
ö
÷
⋅ s [ ]
0.0228 D
+
÷
ø
1
–
15.00
10.00
5.00
2.00
1.00
0.50
↑ ↑ ↑ ↑
D [s]
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