Description Of 3 Ph Package A31A - ABB REB670 Applications Manual

Section 3
Configuration
3.1.6
48

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
189 189
HW LOGIC
BKR BKR
152 152
VERSION OF REB670
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
Figure 4: Configuration diagram for A31A, configuration X00
ZB
189
REB670 ANSI(A20A-X00) / REB670 ANSI(A31A-X00)
189 189
AC LOGIC
BKR BKR
152 152
87B
BUT PTRC
87B
BUT PTRC
REB670 ANSI(A20A-X00) / REB670 ANSI(A31A-X00)
AC LOGIC
87B
BUT PTRC
87B
BUT PTRC
Other Functions in Library
87B
BDC GAPC
Optional Functions
51_67 4(3I>)
OC4 PTOC
NUMBER OF FEDERS IN
BOTH BUSBAR SECTIONS
6*
14*
1MRK 505 337-UUS -
DFR/SER DR MET I
DRP RDRE C MMXU
87B 3Id/I 87B 3Id/I
BZIT GGIO BCZT PDIF
3Id/I
87B 3Id/I
3Id/I
BZNT PDIF
DFR/SER DR MET I
DRP RDRE C MMXU
87B 3Id/I 87B 3Id/I
BZIT GGIO BCZT PDIF
3Id/I
87B 3Id/I
3Id/I
BZNT PDIF
50BF 3I>BF 79 5(0→1)
CC RBRF SMB RREC
NUMBER OF REB670
REQUIRED BY THE SCHEME
2
2
Application manual