Hitachi RER670 Commissioning Manual page 83

1MRK 506 377-UEN Rev. L
Quadrilateral characteristic
Change setting parameter CharStartZ< to Quadrilateral and set OpLoadEnch to On. Also, Set
X1Start, REOverRLStart, XEOverXLStart, LineAng, ArgLd, RFPEStart and RFPPStart to default
values. Set RLd such that it is lower than RFPEStart/RFPPStart.
Phase-to-earth fault
Test points that are to be considered for measurement accuracy of set reactive reach are shown in
Figure 15

X1Start (1+XEOverXLStart)
IEC15000431 V2 EN-US
Figure 15:
Table 17:
Test point
P1
P2
P3
P4
P5
P6
P7
Table continues on next page
Railway application RER670
Commissioning manual
and Table 17.
jX(Ohm/loop)
RFPEStart
P16
P15
P12 P11
P10
P9
Proposed test points for phase-to-earth loop of quadrilateral characteristic in
solidly earthed system
Test points for phase-to-earth loop of quadrilateral characteristic in solidly earthed system
R
0
((X1Start ∗
(1+XEOverXLStart))/
tan(LineAng))
RFPEStart
0.8 ∗ RFPEStart
RLd
RFPEStart
0
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P1
P2
RFPEStart
P4
P5
RLd RLd
P13
P8 P7
X
X1Start ∗
(1+XEOverXLStart)
X1Start ∗
(1+XEOverXLStart)
0.8 ∗ X1Start ∗
(1+XEOverXLStart)
0.8 ∗ RFPEStart ∗
tan(ArgLd)
0
0
-X1Start ∗
(1+XEOverXLStart)
Testing functionality by secondary injection
GUID-CFCC6746-559E-4521-AC30-66465A8E8D03 v1
GUID-AE99E2DB-5537-4B43-938F-3AC9DBB9669A v3
P3
P6
R(Ohm/loop)

X1Start (1+XEOverXLStart)
P14
IEC15000431-2-en.vsdx
Comment
If 2I0 < I0MinOp
If 2I0 < I0MinOp
If OpLoadEnch = Off or 2I0
> I0MinOp
Section 10
77