Feeder Terminal REF 542plus
1MRS756269
Typical connection dia-
grams (cont´d)
19
The Fig. 12 shows a possible connection dia-
gram for a generic incoming feeder with syn-
chrocheck function on the busbar.
Channels 1-3 are used for current sensing and
channels 4-6 are used for phase to earth volt-
age measurements and protection of the
incoming feeder. Channel 7 is used for the
residual current for earth-fault protection and
channel 8 is used for the busbar phase-to-
phase voltage to perform the synchrocheck.
A051284
Fig. 12 Incoming feeder with synchrocheck capability.
TI/L1
TI/L2
TI/L3
L1
11 (1A)
24 (1A)
22 (1A)
10 (1A)
7 (5A)
20 (5A)
18 (5A)
6 (5A)
21
23
5
17
19
1
3
18
8
4
14
2
L2
L3
S1
S1
S1
S2
S2
S2
AI1
X80
AI4
AI2
AI5
AI3
AI6
AI8
AI7
TV1/L1
A
A
A
N
N
N
TV2/L2
TV3/L3
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