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
is used in conjunction with figure
.
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
is used in conjunction with figure
.
Section 13
1MRK 504 088-UEN C
Verifying settings by secondary injection
118
Installation and commissioning manual
Summary of Contents for RELION RET670
Page 1: ...Relion 670 series Transformer protection RET670 Installation and commissioning manual...
Page 2: ......
Page 16: ...10...
Page 24: ...18...
Page 26: ...20...
Page 28: ...22...
Page 82: ...76...
Page 88: ...82...
Page 94: ...88...
Page 104: ...98...
Page 110: ...104...
Page 210: ...204...
Page 230: ...224...
Page 239: ...233...