91
Distance protection
Chapter 11
Verifying settings by secondary
injection
Table 17:
Test points for phase-earth loop L3-E (Ohm/loop)
Test point
Value
Comments
1
R=0
2
R=RIPE
3
4
5
R=
RLdFw
6
X=0
R=
RLdFw
7
R=0.8·RLdFw
X=-0.386·
RLdFw
]
[
2
X
1 XN
3
X
=
⋅
+
]
[
2
X
1 XN
3
X
=
⋅
+
]
[
2
X
0.85
1
3
X
XN
=
⋅
⋅
+
]
2
1
R
0.85
1 XN
)
tan(60 )
3
X
RFFwPE
⎡
=
⋅
⋅
+
⋅
+
⎣
°
]
[
X
0.981
1
XN
X
≈
⋅
+
R
0.567 ( 1
XNL)
X L
RFFwPE
≈
⋅
+
+
3
X
2
RFFwPE
= ⋅
3
R
3
2
RFFwPE
= ⋅
⋅
X
tan(
)
RLdFw
ArgLd
=
⋅
X
1.732
RFFwPE
≈
⋅
X
0.8
tan(
)
RLdFw
ArgLd
= −
⋅
⋅
Содержание RELION REL670
Страница 8: ...Contents ...
Страница 54: ...46 Checking the optical connections Chapter 6 Checking the external optical and electrical connections ...
Страница 72: ...64 About this chapter Chapter 9 Establishing connection and verifying the LON communication ...
Страница 78: ...70 Downloading settings and configuration from a PC Chapter 10 Configuring the IED and changing settings ...
Страница 174: ...166 Remote communication Chapter 11 Verifying settings by secondary injection ...
Страница 190: ...182 Maintenance Chapter 13 Fault tracing and repair ...
Страница 198: ...190 Glossary Chapter 14 Glossary ...
