ABB Relion 670 Series Commissioning Manual page 134

Section 11
Testing functionality by secondary injection
Test point
12
13
Table 32
X1Zx+XNZx
IEC05000369 V4 EN-US
Figure 38: Distance protection characteristic with test points for phase-to-earth
Table 33
Table 33:
Test point
1
2
3
4
5
6
Table continues on next page
128
Reach Set value
X 0.5 x X1
set
R 0.5 x R1
set
X 0
R 0.5 x RFPPZx
is used in conjunction with figure 37.
X
2
1
11
10
12
120°
a
9
8
40% of RLdFw
80% of RLdFw
alt. 80% of
RFPEZx
RFPEZx (Load
encroachment)
measurements
is used in conjunction with figure 38.
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
X 0.5 x (2 x X1
R 0.5 x (2 x R1
RFPEZx
set
X 0.85 x RFPEZx
R 0.85 x RFPEZx
X RLdFw x tan(ArgLd
set
R RLdFw
set
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Comments
80%
3
50%
4
5
6
R (Ohm/loop)
7 13
20°
IEC05000369-4-en.vsdx
Comments
)/3
set
)/3
set
)/3
set
+ X0 )/3
set set
+ R0 )/3
set set
+ R0 )/3
set set
+R0 )/3 +
set set
x tan(ArgLd ) ArgLd = angle for the maximal load transfer
set set
)
Set
1MRK 504 165-UEN E
Transformer protection RET670
Commissioning manual