ABB Relion 670 Series Commissioning Manual page 131
Line distance protection
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Also See for Relion 670 Series:
- Technical manual (1432 pages) ,
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1MRK 506 371-UUS E
Table 33:
Test point
1
2
3
4
5
6
7
8
9
10
11
12
13
11.4.8.1
Measuring the operating limit of set values
Procedure:
Line distance protection REL670
Commissioning manual
Test points for phase-to-ground C-G (Ohm/Loop)
Reach
Value
X
(2 x X1
+X0
set
R
0
X
(2 x X1
+ X0
set
R
2 x R1
+ R0
set
X
0.8 x (2 x X1
set
R
0.8 x (2 x R1
set
+RFPGZx
set
X
0.5 x (2 x X1
set
R
0.5 x (2 x R1
set
RFPGZx
set
X
0.85 x RFPGZx
tan(LdAngle
R
0.85 x RFPGZx
X
RLdFwdset x tan(LdAngleSet)
R
RLdFwd
set
X
0
R
RLdFwd
set
X
–02143 x RLdFwd
R
0.8 x RLdFwd
X
–0.8 x RLdFwd
tan(ArgDir=20°)
R
0.8 x RLdFwd
X
0.17 x (2 x X1
R
-0.36 x (2 x X1
X
0.27 x (2 x X1
R
–0.57 x (2 x X1
X
0.5 x (2 x X1
set
R
0.5 x (2 x R1
set
X
0
R
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Comments
)/3
set
)/3
set
)/3
set
+ X0
)/3
set
+ R0
)/3
set
+ R0
)/3
set
+R0
)/3 +
set
x
LdAngle = angle for the maximal load transfer
set
)
set
Exact: 0.8 x RFPGZx x tan (ArgDir=20°)
set
set
x
set
set
+ X0
)
Exact: 0.5 x (2 x X1
set
set
+ X0
)
Exact: 0.5 x (2X1
set
set
+X0
)
Exact: 0.8 x (2 x X1
set
set
+ X0
)
Exact: 0.8 x (2X1
set
set
+ X0
)/3
set
+ R0
)/3
set
Testing functionality by secondary injection
X0
)/3
set
set
+ X0
)/(3 x tan(AgNegDir=30°)
set
set
+ X0
)/3
set
set
+ X0
)/(3 x tan(AgNegDir=30°)
set
set
GUID-24FEBCE7-3409-4204-AA15-A1E0A1605866 v3
Section 11
125
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