j
R1PP
RFPP
X1PP
X1PP
RFPP
R1PP
RFPP
RFPP
RFPP
RFPP
R
X
(Ohm/phase)
(Ohm/phase)
en07000062.vsd
j
0
1
3
X PE X RVPE
XNRV
-
=
0
1
3
X PE X FWPE
XNFW
-
=
0
1
3
X PG X FWPG
XNFW
-
=
0
1
3
X PG X RVPG
XNRV
-
=
0
1
3
X PE X RVPE
XNRV
-
=
0
1
3
X PE X FWPE
XNFW
-
=
2
2
2
2
2
2
IEC07000062 V2 EN-US
Figure 124: Characteristic for phase-to-phase measuring
The fault loop reach with respect to each fault type may also be presented as in figure
particular the difference in definition regarding the (fault) resistive reach for phase-to-phase
faults and three-phase faults.
Section 7
1MRK 502 066-UUS B
Impedance protection
262
Technical manual
Summary of Contents for Relion 670 series
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