Description Of 3 Ph Package A31A - ABB Relion 670 Series Applications Manual

1MRK 505 370-UUS Rev. K
3.1.6

Description of 3 ph package A31A

Three-phase version of the IED with two low-impedance differential protection zones and eight three-
phase CT inputs A31A. The version is intended for applications on smaller busbars, with up to two zones
and eight CT inputs.
ZA
189
BKR
152
REB670 ANSI(A20A – X00) 3-Phase, 4 Bays, 2 Zones for
Simple Station Layout 12 AI
REB670 ANSI(A31A – X00) 3-Phase, 8 Bays, 2 Zones for
Simple Station Layout 24 AI
* With Just one CT in the Bus Section Bay
GUID-5084E3E1-F0EE-457E-96AC-AB8AA3994ADA V1 EN-US
Figure 4:
Busbar protection REB670
Application manual
189
189
BKR
152
189 189
HW LOGIC
BKR
BKR
152 152
VERSION OF REB670
Configuration diagram for A31A, configuration X00
© 2017 - 2021 Hitachi Power Grids. All rights reserved
ZB
REB670 ANSI(A20A-X00) / REB670 ANSI(A31A-X00)
189
AC LOGIC
BKR
152
87B 3Id/I
BUT PTRC
87B 3Id/I
BUT PTRC
REB670 ANSI(A20A-X00) / REB670 ANSI(A31A-X00)
AC LOGIC
87B 3Id/I
BUT PTRC
87B 3Id/I
BUT PTRC
Other Functions in Library
87B
BDC GAPC
Optional Functions
51_67 4(3I>) 50BF 3I>BF
OC4 PTOC CC RBRF
NUMBER OF FEDERS IN
BOTH BUSBAR SECTIONS
6*
14*
DFR/SER DR MET I
DRP RDRE C MMXU
87B 3Id/I 87B 3Id/I
BZIT GGIO BCZT PDIF
87B 3Id/I
BZNT PDIF
DFR/SER DR MET I
DRP RDRE C MMXU
87B 3Id/I 87B 3Id/I
BZIT GGIO BCZT PDIF
87B 3Id/I
BZNT PDIF
79 5(0→1)
SMB RREC
NUMBER OF REB670
REQUIRED BY THE SCHEME
2
2
Section 3
Configuration
SEMOD129275-22 v9
45