ABB Relion 670 Series REL670 Commissioning Manual page 120

Section 10
Testing functionality by secondary injection
114
Test point Reach Set value
6 X RLdFw x tan (ArgLd)
R RLdFw
7 X RLdFw x tan (ArgLd)
R 0
8 X –0.2143 x RFPP/2
R 0.8 x RFPP/2
9 X –0.4 x RLdFw x tan(ArgDir=20°)
R 0.4 x RLdFw
10 X 0.5 x X1
R –0.23 x X1
11 X 0.8 x X1
R –0.37 x X1
12 X 0.5 x X1
R 0.5 x R1
13 X 0
R 0.5 x RFPP
Table 29 is used in conjunction with figure 26.
11
X1+XN
10
40% of RLdFw
80% of RLdFw
alt. 80% of
RFPE (Load
encroachment)
IEC05000369 V3 EN
Figure 27: Distance protection characteristic with test points for phase-to-earth
measurements
Table 30 is used in conjunction with figure 27.
set
set
set
set
set
set
X
2
1
80%
3
50%
4
12
5
120°
a
6
R (Ohm/loop)
7 13
9
20°
8
RFPE
IEC05000369-3-en.vsd
1MRK 506 355-UEN A
Comments
Exact: 0.8 x RFPP/2 (ArgDir=20°)
Exact –0.5 x R1 x
set
tan(ArgNegRes=30°)
Exact –0.5 x R1 x
set
tan(ArgNegRes=30°)
Line distance protection REL670 2.1 IEC
Commissioning manual