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Section 3
Configuration
ZA
QB1
QB1
QA1
REB670(B20 – X01) 1-Phase, 12 Bays, 2 Zones for Simple
Station Layout 12 AI
REB670(B21 – X01) 1-Phase, 12 Bays, 2 Zones for Simple
Station Layout 12 AI
REB670(B31 – X01) 1-Phase, 24 Bays, 2 Zones for Simple
Station Layout 24 AI
* With Just one CT in the Bus Section Bay
IEC13000224 V3 EN-US
Figure 9:
3.1.8
Description of 1 ph package B31
One-phase version of the IED with two low-impedance differential protection zones and
twenty-four CT inputs B31.
•
The IED is intended for busbar protection applications in big substations where dynamic
Zone Selection, quite large number of binary inputs and outputs and many CT inputs are
needed. The IED includes two differential zones and twenty-four CT inputs. Note that
binary inputs can be shared between phases by including the LDCM communication
module. This simplifies panel wiring and saves IO boards.
54
QB1
QB2
QA1
QB1
HW LOGIC
QA1
QA1
VERSION OF REB670
Configuration diagram for B21, configuration X01
REB670(B20-X01) /REB670(B21-X01) / REB670(B31-X01)
PHASE L3
ZB
REB670(B20-X01) /REB670(B21-X01) / REB670(B31-X01)
PHASE L2
REB670(B20-X01) /REB670(B21-X01) / REB670(B31-X01)
PHASE L1
QB1
AC LOGIC
QA1
87B
Id/I
MET
I
C MMXU
BUS PTRC
MET
I
87B
Id/I
C MMXU
BUS PTRC
87B
Id/I
MET
I
C MMXU
BUS PTRC
Other Functions available from the function library
MET
87B
BDC GAPC
C MSQI
7
DELTA
7V_78V
DELTAU
DELV SPVC
DEL SPVC
Control
63
S SCBR
S SIMG
MET
U
MET
V MSQI
V MMXU
Optional Functions
50BF
I>BF
ITHD ITHD
CCS RBRF
CHM MHAI
VTHD UTHD
VHM MHAI
NUMBER OF FEEDERS IN
NUMBER OF FEDERS IN
BOTH BUSBAR SECTIONS
BOTH BUSBAR SECTIONS
11*
11*
23*
DFR/SER DR
DRP RDRE
87B
Id/I
87B
Id/I
BZIS GGIO
BCZS PDIF
87B
Id/I
BZNS PDIF
87B
Id/I
BZNS PDIF
7I
DELTAI
Isqi
MET
P/Q
DELI SPVC
CV MMXN
MET
W/Varh
Control
ETP MMTR
Q CBAY
71
3
Control
S SIML
S XCBR
Usqi
MET
UN
VN MMXU
51
I>
79
5(0->1)
PH4S PTOC
SMB RREC
NUMBER OF REB670
REQUIRED BY THE SCHEME
3
3
3
IEC13000224-3-en.vsd
Busbar protection REB670
1MRK 505 370-UEN D
SEMOD129275-58 v8
Application manual
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