ABB REL670 Installation And Commissioning Manual page 100

Test point Value
8
= ⋅
X 0.2 RLdFw
= ⋅
R 0.2 RLdFw
9
2
= ⋅
X 0.2
3
2
= ⋅
R 0.2
3
10
2
= ⋅
X 0.85
2
= ⋅
R 0.85
3
11
2
= ⋅
X 0.2
3
=
R 0.2
3 tan(60 )
12 X=0
R= RFFwPE
92
Distance protection
⋅
tan( ArgLd )
[
]
⋅ +
X 1 XN
[
]
⋅ + ⋅
X 1 XN tan( AngNegDir
[
]
⋅ +
X 1 XN
3
[ ]
⋅ + ⋅
X 1 XN tan( ArgNegDir
[
]
⋅ +
X 1 XN
[
2 ]
⋅ +
X 1 XN
⋅ °
The table showing test points for phase to earth loops is used together with
Comments
≈
X 0.346 RLdFw
≈
X 0.231
≈
R 0.108
− °
90 )
≈
X 0.981
≈
R 0.458
−
90)
≈
X 0.231
≈
R 0.133
Note! This test points is proposed to be used instead of
point 4, 5 and 6 when shaped load characteristic is not
activated (OperationLdCmd=OFF)
Verifying settings by secondary
⋅
[
]
⋅ +
X set 1 XN
[
]
⋅ +
X 1 XN
[
]
⋅ +
X 1 XN
[
]
⋅ +
X 1 XN
[
]
⋅ +
X 1 XN
[
]
⋅ +
X 1 XN
figure
Chapter 11
injection
28.