#
Description
4-8
Standard configurations, analog and binary I/O options
Standard configuration descriptions in short:
A
= Three-phase transformer differential protection for two-winding transform -
ers, numerical restricted earth-fault protection for the high-voltage (HV) side,
CB control and optional RTD/mA inputs
B
= Three-phase transformer differential protection for two-winding transform -
ers, numerical restricted earth-fault protection for the low-voltage (LV) side, CB
control, optional RTD/mA inputs
C
= Three-phase transformer differential protection for two-winding transform -
ers, high-impedance based restricted earth-fault protection for the high-voltage
(HV) side, optional RTD/mA inputs
D
= Three-phase transformer differential protection for two-winding transform -
ers, high-impedance based restricted earth-fault protection for the low-voltage
(LV) side, CB control and optional RTD/mA inputs
E
= Three-phase transformer differential protection for two-winding transform -
ers, numerical restricted earth-fault protection for the high-voltage (HV) side,
phase-voltage based protection and measurement functions
F
= Three-phase transformer differential protection for two-winding transform -
ers, numerical restricted earth-fault protection for the low-voltage (LV) side,
phase-voltage based protection and measurement functions and CB control
G
= Three-phase transformer differential protection for two-winding transform -
ers, high-impedance based restricted earth-fault protection for the high-voltage
(HV) side, phase-voltage based protection and measurement functions and CB
control
H
= Three-phase transformer differential protection for two-winding transform -
ers, high-impedance based restricted earth-fault protection for the low-voltage
(LV) side, phase-voltage based protection and measurement functions and CB
control
Std. conf.
I/O options
A
7I (Io 1/5 A) + 8 BI +10 BO
ABABA
A
7I (Io 1/5 A) + 14 BI + 13 BO
ABABB
A
7I (Io 1/5 A) + 6 RTD + 2 mA + 8 BI + 10 BO
ABGBA
B
7I (Io 1/5 A) + 8 BI +10 BO
BBABA
B
7I (Io 1/5 A) + 14 BI + 13 BO
BBABB
B
7I (Io 1/5 A) + 6 RTD + 2 mA + 8 BI + 10 BO
BBGBA
C
7I (Io 1/5 A) + 8 BI +10 BO
CBABA
C
7I (Io 1/5 A) + 14 BI + 13 BO
CBABB
C
7I (Io 1/5 A) + 6 RTD + 2 mA + 8 BI + 10 BO
CBGBA
D
7I (Io 1/5 A) + 8 BI +10 BO
DBABA
D
7I (Io 1/5 A) + 14 BI + 13 BO
DBABB
D
7I (Io 1/5 A) + 6 RTD + 2 mA + 8 BI + 10 BO
DBGBA
E
7I (Io 1/5 A) + 5U + 12 BI + 10 BO
EBCAD
F
7I (Io 1/5 A) + 5U + 12 BI + 10 BO
FBCAD
G
7I (Io 1/5 A) + 5U + 12 BI + 10 BO
GBCAD
H
7I (Io 1/5 A) + 5U + 12 BI + 10 BO
HBCAD
The standard configuration determines the I/O hardware and available options.
The example below shows standard configuration “A” with chosen options.
H B T
A B G B A
B C C 1 B B N 1 X E
GUID-CC2E3ED2-0950-4B81-89B9-E481F9160AEA V3 EN
Transformer Protection and Control
1MRS756891 F
RET615
Product version: 4.0
ABB
53
Summary of Contents for RET615
Page 1: ...Relion 615 series Transformer Protection and Control RET615 Product Guide...
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