Feeder Terminal
REF 541, REF 543, REF 545.
1MRS750443-MBG
59
Fig. 12
An REF 54_ feeder terminal and an REA arc monitoring system (main single-line diagram presen-
tation) used for the protection, control, measurement and supervision functions of a utility/industrial
ring/meshed network cable feeder. The earthing of the supplying network can be of low or high
impedance type.
3I>
67
I
0
>
67N
49F
3
SYNC
25
f <
81U
3U <
27
3U >
59
CBFP
* /62
MCS
TCS
CBCM
000
R
E
0
I
Q
P
3I
3U
pf
f
EXFDR3
3I >
&
MF
REA 101
REF 54_