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1MRK 506 377-UEN Rev. L
X1Start 2
X1Start 2
IEC20000527 V1 EN-US
Figure 22:
Table 24:
Test point
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
Table continues on next page
Railway application RER670
Commissioning manual
( )
( )
)
jX
RFPEStart 2
P16
P15
P12
P11
P10
P9
P8
Proposed test points for phase-to-phase fault in compensated and high
impedance earthed systems
Test points for phase-to-phase fault in compensated and high impedance earthed systems
R
0
((X1Start/2) /
tan(LineAng))
RFPEStart/2
0.8 ∗ RFPEStart/2
RLd
RFPEStart/2
0
- ((X1Start/2) /
tan(LineAng))
- RFPEStart/2
- 0.8 ∗ RFPEStart/2
- RLd
- RFPEStart/2
0.8 ∗ RFPEStart/2
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P1
P2
RFPEStart 2
P3
LineAng
P4
ArgLd
P5
P6
R
RLd
P13
X1Start 2
X1Start 2
P14
P7
IEC20000527-1-en.vsd
X
X1Start/2
X1Start/2
0.8 * X1Start/2
0.8 ∗ (RFPEStart/2) ∗
tan(ArgLd)
0
0
- X1Start/2
- X1Start/2
- 0.8 * X1Start/2
- 0.8 ∗ (RFPEStart/2) ∗
tan(ArgLd)
0
0
- 0.8 ∗ (RFPEStart/2) ∗
tan(ArgLd)
Testing functionality by secondary injection
( )
( )
)
Comment
If 2I0 < I0MinOp
If 2I0 < I0MinOp
If OpLoadEnch = Off
If 2I0 < I0MinOp
If 2I0 < I0MinOp
If OpLoadEnch = Off
If 2I0 < I0MinOp
Section 10
89
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