55
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
t/s
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
12345789
10 20
I/I>
6
0.5
0.6
0.7
0.8
0.9
1.0
k
30 40
0.40.30.20.10.05
A051411
Fig. 5.1.4.9.-9 RD-type inverse-time characteristic
5.1.4.10. Settings
There are two alternative setting groups available, setting groups 1 and 2. Either of
these setting groups can be used as the actual settings, one at a time. Both groups
have their related registers. By switching between the setting groups, a whole group
of settings can be changed at the same time. This can be done in any of the
following ways:
*
Via the HMI
*
Entering SPA parameter V150 via serial communication
*
Via a digital input
Feeder Protection Relay
Technical Reference Manual
REF 610REF 610
1MRS755310