ABB Relion 670 Series REL670 - Page 120

Test point Reach Set value Comments
6 X RLdFw x tan (ArgLd)
R RLdFw
7 X RLdFw x tan (ArgLd)
R 0
8 X –0.2143 x RFPP/2 Exact: 0.8 x RFPP/2 (ArgDir=20°)
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
set
Exact –0.5 x R1
set
x
tan(ArgNegRes=30°)
R –0.23 x X1
set
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
R 0.5 x RFPP
Table 29 is used in conjunction with figure 26.
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
=
A
r
g
L
D
alt. 80% of
RFPE (Load
encroachment)
120°
20°
a
IEC05000369-3-en.vsd
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.
Section 10 1MRK 506 355-UEN A
Testing functionality by secondary injection
114 Line distance protection REL670 2.1 IEC
Commissioning manual