ABB REG670 Commissioning Manual page 143

1MRK 502 073-UEN A
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Commissioning manual
Testing functionality by secondary injection
11
X1Zx
10
40% of RLdFw
80% of RLdFw
IEC05000368 V4 EN-US
Figure 42: Distance protection characteristic with test points for phase-to-
phase measurements
Table 19: Test points for phase-to-phase loops L1-L2 (Ohm/Loop)
Test point Reach Set value
1 X X1
R 0
2 X X1
R R1
3 X 0.8 x X1
R 0.8 x R1
4 X 0.5 x X1
R 0.5 x R1
5 X 0.85 x RFPPZx x tan (ArgLd)
R 0.85 x RFPPZx
6 X RLdFw x tan (ArgLd)
R RLdFw
7 X 0
R RLdFw
8 X –0.2143 x RFPPZx/2
R 0.8 x RFPPZx/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
Table continues on next page
X
2
1
80%
3
50%
4
12
120°
a
5
6
R (Ohm/phase)
7 13
9
c
20°
8
0.5 x RFPPZx
IEC05000368-4-en.vsdx
set
set
set
set
+ RFPPZx/2
set
set
+ RFPPZx/2
set
set
set
Section 13
Comments
ArgLd = angle for the maximal load
transfer
Exact: 0.8 x RFPPZx/2 (ArgDir=20°)
Exact –0.5 x R1 x
set
tan(ArgNegRes=30°)
137