R1PE+RNFw
RFFwPE
XNFw
XNRv
RFFwPE
RFRvPE
RFFwPE
RFRvPE
RFRvPE
R
X
(Ohm/loop)
(Ohm/loop)
IEC11000417-1-en.vsd
j
N
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 FwPE
XNFw
-
=
0
1
3
R PE R PE
RNFw
-
=
j
N
j
N
1
1
X RvPE
XNRv
XNFw
X FwPE
=
×
R1PE+RNRv
IEC11000417 V1 EN
Figure 95:
ZMFCPDIS Characteristic for phase-to-earth measuring loops, ohm/
loop domain
Section 7
1MRK502052-UEN B
Impedance protection
242
Technical manual
Summary of Contents for Relion REG670
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