ABB RELION RET670, Руководство по установке и пусконаладке

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X1
R
X
(
Ω
/
phase)
50%
80%
1
2
3
4
5
6
7
8
9
10
11
80% of RLdFw
40% of RLdFw
0.5 x RFPP
12
en05000368.vsd
13
a
b
c
IEC05000368 V1 EN
Figure 52: Distance protection characteristic with test points for phase-to-
phase measurements
Table 20 is used in conjunction with figure 52 .
X1+XN
R
X
( Ω / loop)
50%
80%
1
2
3
4
5
6
7
8
9
10
11
80% of RLdFw
40% of RLdFw
RFPE
12
en05000369.vsd
13
a
c
b
alt. 80% of
RFPE (Load
encroachment)
IEC05000369 V1 EN
Figure 53: Distance protection characteristic with test points for phase-to-
earth measurements
Table 21 is used in conjunction with figure 53 .
Section 13
1MRK 504 088-UEN C
Verifying settings by secondary injection
118
Installation and commissioning manual