j
R1PP RFPP
X1PP
X1PP
RFPPR1PP
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
Figure 159: Characteristic for phase-to-phase measuring
The fault loop reach with respect to each fault type may also be presented as in
figure 77. Note in particular the difference in definition regarding the (fault) resistive
reach for phase-to-phase faults and three-phase faults.
Section 6 1MRK505222-UUS C
Impedance protection
308
Technical reference manual
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