ABB RET670 Product Manual page 40

Transformer protection RET670 ANSI
Pre-configured
Product version: 1.2
IED670
87B-TRIP
BI
BLOCK LV 51P
BI
BFI 3PH
BI
SUDDEN
BI
PRESSURE TRIP
OIL TEMP TRIP
BI
WIND TEMP TRIP
BI
OIL TEMP WARN
BI
WIND TEMP WARN
BI
OIL LOW
BI
GAS ALARM
BI
BO
BO
BO
BO
BO
BO
LTC IN MAN
BI
LTC IN AUTO
BI
LTC IN LOC.
BI
LTC RAISE
BO
LTC LOWER
BO
HV 50BF
BO
MV 50BF
BO
MAN SC OK
BO
LEGEND:
BI – BINARY INPUT
BO – BINARY OUTPUT
CC – CLOSE COIL
TC – TRIP COIL
TRM – CT, VT, INPUT
TRANSFORMER
MODULE
IRF
- +
ANSI05000259 V1 EN
Figure 19. Typical connection diagram for three winding transformer in a multi breaker arrangement. Note! Including
IO for control option.
40
BUS A
189-OPEN 189b
+
BI
189
189-CL 189a
+
BI
6289-OPEN 6289b
BI +
6289-CL 6289a
+
BI
TRM1:1-3
TRM1:4-6
TO MAIN 2
CLOSE
152
-
BO
CC
TRIP
152
-
BO
TC
152-OPEN 152b
+
BI
152-CL 152a
+
BI
152
152-SPR UNCH
+
BI
CLOSE
252
-
BO
CC
TRIP 252
-
BO
TC
252-OPEN 252b
BI +
252-CL 252a
+
BI
252
252-SPR UNCH
+
BI
TO BB PROT
689-OPEN 689b
+
BI
689-CL 689a
+
BI
6189-OPEN 6189b
+ 689
BI
6189-CL 6189a
+
BI
989-OPEN 989b
+
BI
989-CL 989a
BI +
TRM1:7
= TAP POS
TRM1:8
TRM2:7-9
TO BUS PROT
CLOSE
452
-
BO
CC
TRIP 452
-
BO
TC
452-OPEN 452b
+
BI
452-CL 452a
+
BI
452
452-SPR UNCH
+
BI
CLOSE
352
-
BO
CC
TRIP 352
-
BO
TC
352-OPEN 352b
+
BI
352-CL 352a
+
BI
352
352-SPR UNCH
+
BI
TO MAIN 2 RELAY
TRM2:1-3
TRM2:4-6
TRM1:11
TRM1:12
Res. for Bus 2
VT
1MRK 504 118-BUS A
TO SECOND BAY
6289
TO MAIN 2
152
252
6189
989
452
352
en05000259_ansi.vsd
ABB