Description Of 1 Ph Package B20A - ABB Relion 670 Series Applications Manual

Section 3
Configuration
QB1
QB2
QA1
IEC16000257 V3 EN-US
Figure 7:
3.1.7

Description of 1 ph package B20A

One-phase version of the IED with two low-impedance differential protection zones and twelve CT inputs
B20.
• Due to three available binary input modules, the B20A is intended for applications without need for
dynamic Zone Selection such as substations with single busbar with or without bus-section breaker,
48
ZA
ZB
QB1
QB2
QB1
QA1
QB2
QB1
QB2
QA1
QA1
Other Functions available from the function library
MET Isqi
C MSQI
Control 63
S SCBR
S SIMG
Optional Functions
ITHD ITHD 79 5(0→1)
CHM MHAI SMB RREC
VERSION OF REB670
REB670(A31 – X03) 3-Phase, 8 Bays, 2 Zones for Double Busbar
Stations with Breaker Failure Protection and End Fault Protection 24AI
* With Just one CT in the Bus Section Bay
Configuration diagram for A31, configuration X03
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A31 X03
87B
BDC GAPC
87B
1
BDC GAPC
87B
BDC GAPC
87B
BDC GAPC
2
87B
BDC GAPC
87B
BDC GAPC
8
87B
BDC GAPC
MET I
C MMXU
51_67 4(3I>) 50BF 3I>BF
OC4 PTOC CC RBRF
MET I
C MMXU
51_67 4(3I>) 50BF 3I>BF
OC4 PTOC CC RBRF
87B 3Id/I
BCZT PDIF
51_67 4(3I>) 50BF 3I>BF
OC4 PTOC CC RBRF
MET I
C MMXU
MET P/Q 7I DELTAI 7V_78V DELTAU 7
CV MMXN
DELV SPVC DEL SPVC
DELI SPVC
71 3 MET U MET
Control
S SIML S XCBR V MMXU V MSQI
VTHD UTHD
VHM MHAI
NUMBER OF FEEDERS IN THE STATION
( EXCLUDING BUS COUPLER BAY)
1MRK 505 370-UUS Rev. K
REB670(A31-X03)
DFR/SER DR
DRP RDRE
2
87B 3Id/I
BZIT GGIO
8
1
87B 3Id/I
BUT PTRC
87B 3Id/I
BZNT PDIF
2
87B 3Id/I
BUT PTRC
87B 3Id/I
8
BZNT PDIF
87B 3Id/I
BUT PTRC
DELTA MET W/Varh Control
ETP MMTR Q CBAY
Usqi MET UN
VN MMXU
7*
IEC16000257-3-en.vsd
Busbar protection REB670
Application manual
SEMOD129275-40 v8