Description Of 3 Ph Package A20A - ABB Relion 670 Series Applications Manual

Section 3
Configuration
disconnector/breaker supervision is available. This configuration is available for only three REB670
variants (that is A31, B21 and B31).
In order to use X03 configuration, optional breaker failure and overcurrent functions must be ordered.
3.1.5

Description of 3 ph package A20A

Three-phase version of the IED with two low-impedance differential protection zones and four three-
phase CT inputs A20A. The version is intended for simpler applications such as T-connections, meshed
corners, and so on.
ZA
QB1
QA1
IEC16000254 V2 EN-US
Figure 3:
44
QB1
QB1 QB1 QB1
QA1 QA1 QA1
VERSION OF REB670
REB670(A20 – X01) 3-Phase, 4 Bays, 2 Zones for Simple Station
Layout 12 AI
REB670(A31 – X01) 3-Phase, 8 Bays, 2 Zones for Simple Station
Layout 24 AI
Configuration diagram for A20, configuration X01
© 2017 - 2021 Hitachi Power Grids. All rights reserved
ZB
REB670(A20-X01) / REB670(A31-X01)
MET I
C MMXU
MET I
C MMXU
Other Functions available from the function library
87B MET Isqi
BDC GAPC C MSQI
7
7V_78V DELTA
DELTAU
DEL SPVC
DELV SPVC
Control 63
S SCBR S SIMG
MET U MET Usqi
V MMXU V MSQI
Optional Functions
50BF 3I>BF ITHD ITHD 51_67 4(3I>)
CC RBRF CHM MHAI
VTHD UTHD
VHM MHAI
NUMBER OF FEEDERS IN BOTH
BUSBAR SECTIONS
1MRK 505 370-UUS Rev. K
DFR/SER DR
DRP RDRE
87B 3Id/I 87B 3Id/I
BZIT GGIO BCZT PDIF
87B 3Id/I
87B 3Id/I
BZNT PDIF BUT PTRC
87B 3Id/I 87B 3Id/I
BZNT PDIF BUT PTRC
MET P/Q 7I DELTAI
CV MMXN DELI SPVC
MET Control
W/Varh
ETP MMTR Q CBAY
71 3 Control
S SIML S XCBR
MET UN
VN MMXU
79
5(0→1)
OC4 PTOC SMB RREC
4
8
IEC16000254-2-en.vsd
Busbar protection REB670
Application manual
SEMOD129275-4 v8