ABB REL670 Installation And Commissioning Manual page 98

90
Distance protection
X
(Ohm/phase)
1
30
30
10
2
⋅
X 1
3
ArgNegRes
9
0.2•RLdFw
0.8•RLdFw
0.5•RFFwPE
Figure 30: Phase selection characteristic for three phase faults.
2
3
90 deg
X1
4
ArgLd
5
6
8 ArgDir
7
11
en05000498.vsd
Chapter 11
Verifying settings by secondary
injection