IEC15000434-3-en.vsd
R
jX
RLd
RFPEStart
X1Start
P2
P1
P3
P4
P8
P9
P10
P11
P 13
P14
P15
P16
P7
P5
P6
ArgLd
( )
)
( )
( )
)
( )
P12
LineAng
RFPEStart
X1Start
IEC15000434 V3 EN-US
Figure 21:
Proposed test points for phase-to-earth loop of quadrilateral characteristic in
compensated/high impedance earthed systems
Table 23:
Test points for phase-to-earth loop of quadrilateral characteristic for compensated/high impedance earthed
systems
Test point
R
X
Comment
P1
0
X1Start
P2
(
X1Start
/ tan(
LineAng
))
X1Start
P3
RFPEStart
0.8
∗
X1Start
P4
0.8
∗
RFPEStart
0.8
∗
RFPEStart
∗
tan(
ArgLd
)
If 2I0 <
I0MinOp
P5
RLd
0
If 2I0 <
I0MinOp
P6
RFPEStart
0
If
OpLoadEnch
= Off or 2I0
>
I0MinOp
P7
0
-
X1Start
P8
-(
X1Start
/ tan(
LineAng
))
-
X1Start
P9
-
RFPEStart
-0.8
∗
X1Start
P10
-0.8
∗
RFPEStart
-0.8
∗
RFPEStart
∗
tan(
ArgLd
)
If 2I0 <
I0MinOp
P11
-
RLd
0
If 2I0 <
I0MinOp
P12
-
RFPEStart
0
If
OpLoadEnch
= Off or 2I0
>
I0MinOp
P13
0.8
∗
RFPEStart
-0.8
∗
RFPEStart
∗
tan(
ArgLd
)
If 2I0 <
I0MinOp
Table continues on next page
Section 10
1MRK 506 377-UEN Rev. K
Testing functionality by secondary injection
88
Railway application RER670
Commissioning manual
© 2017 - 2021 Hitachi Power Grids. All rights reserved
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