Compact current relay and
protection assemblies
RXHL 401 and
RAHL 401
1MRK 509 062-BEN
Page 8
Figure 6: RI inverse time characteristic
Figure 7: Logarithmic inverse time (IDG) characteristic
99000247.vsd
1
2
3
4
5
7
10
20
I/I>
k=
1,1
0,05
0,1
0,3
0,5
0,7
0,9
20
10
1
0,1
S
0,5
2
1
3
5
10
40 I/I>
20
4
7
6
5
2
1
S
4
3
MinT=
2,0
1,0
k= 1,0
4,0
99000983.vsd
I
N
/I
N>
