Micom P634 - Disconnecting Transformer Ends

*2
*3
*4
[ *2 ]
0
1
2
3
0: No swap
1: A-B swapped
2: B-C swapped
3: C-A swapped
[ *1 ]
0
1
2
3
0: No swap
1: A-B swapped
2: B-C swapped
3: C-A swapped
[ *4 ]
0
1
2
3
0: No swap
1: A-B swapped
2: B-C swapped
3: C-A swapped
[ *3 ]
0
1
2
3
0: No swap
1: A-B swapped
2: B-C swapped
3: C-A swapped
64Z8002A
*1
MAIN:
Phase reversal a PSx
010 201
010 200
010 202
010 203
MAIN:
Phase reversal b PSx
010 205
010 204
010 206
010 207
MAIN:
Phase reversal c PSx
010 209
010 208
010 210
010 211
MAIN:
Phase reversal d PSx
010 213
010 212
010 214
010 215
MAIN:
Phase reversal activ
[ 036 220 ]
Parameter
set 1
set 2
set 3
set 4
Parameter
set 1
set 2
set 3
set 4
Parameter
set 1
set 2
set 3
set 4
Parameter
set 1
set 2
set 3
set 4
≥1
Fig. 3-41: Phase reversal function of the P634
3.12.3 Disconnecting Transformer Ends
With the P634, individual transformer ends can be disconnected when specific
protections are applied or for test purposes.
Up to two ends can be disconnected simultaneously with the P634.
If more ends are simultaneously disconnected from the measurement than is
permitted, the SFMON: Unsuff. No. of ends alarm is issued and the device is
blocked.
P634
3 Operation
3-68 P634/EN M/R-42-A // P634‑311‑653