ABB Relion 670 Series Commissioning Manual page 126

Section 11
Testing functionality by secondary injection
Test point
10
11
12
13
Table 30
40% of RLdFwd
80% of RLdFwd
encroachment)
ANSI05000369 V2 EN-US
Figure 34: Distance protection characteristic with test points for phase-to-ground
Table 31
Table 31:
Test point
1
2
3
Table continues on next page
120
Reach Set value
X 0.5 x X1
set
R –0.23 x X1
set
X 0.8 x X1
set
R –0.37 x X1
set
X 0.5 x X1
set
R 0.5 x R1
set
X 0
R 0.5 x RFPPZx
is used in conjunction with figure 33.
2
1
11
10
12
120°
a
9
8
alt. 80% of
RFPG
RFPG (Load
measurements
is used in conjunction with figure 34.
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
R 0.8 x (2 x R1
+RFPG
set
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Comments
Exact –0.5 x R1
Exact –0.5 x R1
80%
3
50%
4
5
6
7
13
20°
ANSI05000369-2-en.vsd
Comments
)/3
set
)/3
set
)/3
set
+ X0 )/3
set set
+ R0 )/3
set set
1MRK 506 371-UUS E
x tan(ArgNegRes=30°)
set
x tan(ArgNegRes=30°)
set
Line distance protection REL670
Commissioning manual