R1PG+RNFw
RFFwPG
XNFw
XNRv
RFFwPG
RFRvPG
RFFwPG
RFRvPG
RFRvPG
R
X
(Ohm/loop)
(Ohm/loop)
ANSI09000625-1-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
-
=
j
N
j
N
0
1
3
X PG
X FwPG
XNFw
-
=
1
1
X RvPG
XNRv
XNFw
X FwPG
=
×
0
1
3
R PG R PG
RNFw
-
=
ANSI09000625 V1 EN
Figure 89:
Characteristic for the phase-to-ground measuring loops, ohm/loop
domain
Section 6
1MRK505222-UUS C
Impedance protection
198
Technical reference manual
Summary of Contents for Relion 670 series
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