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ABB REF 545 Product Guide

ABB REF 545
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Feeder Terminal REF 541, REF 543, REF 545.
1MRS750443-MBG
54
Application
examples
Fig. 7 Protection, control, measurement and supervision functions of a utility infeeder, implemented with
REF 54_ feeder terminals, an REA arc monitoring system and SPACOM differential relay and volt
-
age regulator (main single-line diagram presentation). The neutral point of the MV network sup-
plied by the infeeder is isolated.
M M
MF
MF
q
q
p>
3I > 50/51
CBFP
* /62
MCS
R
CBCM
TCS
000
0
I
I
0
>
50N/51N
R
000
U
90V
3
D
I >
87T
CBFP * /62
R
000
MCS
R
Q
P
E
CBCM
TCS
000
0
I
3I
3U
EXINFDR1
3U > 59
U
3I >
50/51
51B
CBFP * /62
3I >
&
REF 54_
SPAU 341
SPAD 346C
REF 54_
3I~harm
3U~harm
REA 101

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ABB REF 545 Specifications

General IconGeneral
BrandABB
ModelREF 545
CategoryTouch terminals
LanguageEnglish

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