ABB REG670 Commissioning Manual page 147

1MRK 502 073-UEN Rev. J
Test point
8
9
10
11
12
13
Table is used in conjunction with figure .
(2 x X1set+X0set)/3
IEC05000369 V5 EN-US
Figure 49:
Table is used in conjunction with figure .
Table 26:
Test point
1
2
3
Table continues on next page
Generator protection REG670
Commissioning manual
Reach Set value
X –0.2143 x RFPPZx/2
R 0.8 x RFPPZx/2
X –0.4 x RLdFw x tan(ArgDir=20°)
R 0.4 x RLdFw
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 RFPPZx
X
2
1
11
10
12
9
8
25% of RFPEZx
50% of RFPEZx
alt. 80% of
RFPEZx
RFPEZx (Load
encroachment)
Distance protection characteristic with test points for phase-to-earth measurements
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
+RFPEZx
set
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Comments
Exact: 0.8 x RFPPZx/2 (ArgDir=20°)
Exact –0.5 x R1
Exact –0.5 x R1
80%
3
50%
4
5
6
R (Ohm/loop)
7
13
ArgDir
IEC05000369-5-en.vsdx
Comments
)/3
set
)/3
set
)/3
set
+ X0 )/3
set set
+ R0 )/3
set set
Section 13
Testing functionality by secondary injection
x tan(ArgNegRes=30°)
set
x tan(ArgNegRes=30°)
set
141