ABB RET670 Commissioning Manual page 91

1MRK 504 154-UUS B
Test point
10
11
12
13
Table 17
40% of RLdFwd
80% of RLdFwd
RFPG (Load
encroachment)
ANSI05000369 V2 EN-US
Figure 15:
Table 18
Table 18:
Test point
1
2
3
Table continues on next page
Commissioning manual
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 RFPP
is used in conjunction with figure 14.
2
1
80%
11
50%
10
12
120°
a
9
8
alt. 80% of
RFPG
Distance protection characteristic with test points for phase-to-ground
measurements
is used in conjunction with figure 15.
Test points for phase-to-earth L3-E (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
+RFPE
set
Comments
Exact –0.5 x R1
Exact –0.5 x R1
Only used when RLdFw > 0.5 x RFPP
3
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
Testing functionality by secondary injection
x tan(ArgNegRes=30°)
set
x tan(ArgNegRes=30°)
set
Section 10
85