ABB Relion 670 Series Commissioning Manual page 136

Section 11
Testing functionality by secondary injection
Test point
10
11
12
13
Table is used in conjunction with figure .
(2 x X1set+X0set)/3
25% of RFPEZx
ANSI05000369 V3 EN-US
Figure 38:
Table is used in conjunction with figure .
Table 33:
Test point
1
2
3
Table continues on next page
130
Reach Set value
X 0.5 x X1
set
R –0.23 x X1
set
X 0.8 x X1
set
R –0.37 x X1
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
50% of RFPEZx
alt. 80% of
RFPG
RFPG (Load
encroachment)
Distance protection characteristic with test points for phase-to-ground measurements
Test points for phase-to-ground C-G (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
+RFPGZx
set
© 2017 - 2021 Hitachi Power Grids. All rights reserved
Comments
Exact –0.5 x R1
Exact –0.5 x R1
set
80%
3
50%
4
5
ArgLd
6
(Ω /loop)
R
7 13
ArgDir
ANSI05000369-3-en.vsdx
Comments
)/3
set
)/3
set
)/3
set
+ X0 )/3
set set
+ R0 )/3
set set
1MRK 504 165-UUS Rev. J
x tan(ArgNegRes=30°)
set
x tan(ArgNegRes=30°)
set
Transformer protection RET670
Commissioning manual