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Section 10
Testing functionality by secondary injection
102
Table
24
is used in conjunction with figure 21.
Table 23:
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 RFPP x tan (ArgRLd)
R
0.85 x RFPP
6
X
RLdFw x tan (ArgLd)
R
RLdFw
7
X
RLdFw x tan (ArgLd)
R
0
8
X
–0.2143 x RFPP/2
R
0.8 x RFPP/2
9
X
–0.4 x RLdFw x tan(ArgDir)
R
0.4 x RLdFw
10
X
0.5 x X1
R
–0.23 x X1
11
X
0.8 x X1
R
–0.37 x X1
12
X
0.5 x X1
R
0.5 x R1
13
X
0
R
0.5 x RFPP
Table 24:
Test points for phase-to-earth L3-E (Ohm/Loop)
Test point
Reach
Value
1
X
(2 x X1
R
0
2
X
(2 x X1
R
2 x R1
3
X
0.8 x (2 x X1
R
0.8 x (2 x R1
Table continues on next page
set
set
set
set
+ RFPP/2
set
set
+ RFPP/2
set
set
set
set
set
set
set
+X0
)/3
set
set
+ X0
)/3
set
set
+ R0
)/3
set
set
+ X0
)/3
set
set
+ R0
)/3 +RFPE
set
set
1MRK 506 355-UEN A
Comments
ArgRLd = angle for the maximal load
transfer
Exact: 0.8 x RFPP/2 (ArgDir)
Exact –0.5 x R1
x
set
tan(ArgNegRes-90)
Exact –0.5 x R1
x
set
tan(ArgNegRes-90)
Only used when
OperationLdCmp
setting is 0 (Off)
Comments
set
Line distance protection REL670 2.1 IEC
Commissioning manual
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