Test point
Reach
Set value
Comments
11
X
0.8 x X1
set
Exact –0.5 x R1
set
x
tan(ArgNegRes=30°)
R
–0.37 x X1
set
12
X
0.5 x X1
set
R
0.5 x R1
set
13
X
0
Only used when
OperationLdCmp
setting is 0 (Off)
R
0.5 x RFPP
is used in conjunction with
.
X1+XN
X
R (Ohm/loop)
50%
80%
1
2
3
4
5
6
7
8
9
10
11
80% of RLdFw
40% of RLdFw
RFPE
12
13
c
b =
Ar
gLD
alt. 80% of
RFPE (Load
encroachment)
120°
20°
a
IEC05000369-3-en.vsd
IEC05000369 V3 EN
Figure 32:
Distance protection characteristic with test points for phase-to-earth
measurements
.
Table 13:
Test points for phase-to-earth L3-E (Ohm/Loop)
Test point
Reach
Value
Comments
1
X
(2 x X1
set
+X0
set
)/3
R
0
2
X
(2 x X1
set
+ X0
set
)/3
R
2 x R1
set
+ R0
set
)/3
3
X
0.8 x (2 x X1
set
+ X0
set
)/3
R
0.8 x (2 x R1
set
+ R0
set
)/3 +RFPE
set
4
X
0.5 x (2 x X1
set
+ R0
set
)/3
R
0.5 x (2 x R1
set
+R0
set
)/3 + RFPE
set
Table continues on next page
Section 12
1MRK502053-UEN B
Testing functionality by secondary injection
112
Generator protection REG670 2.0 IEC
Commissioning manual
Summary of Contents for REG670 2.0 IEC
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