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CT
CT
Combi
Sensor
Merging
Unit
Merging
Unit
Ethernet Switch
Combi
Sensor
Conventional VT
IEC/UCA 61850-9-2LE
IEC/UCA 61850-9-2LE
IEC/UCA 61850-9-2LE
Splitter
Electrical-to-
Optical Converter
1PPS
1PPS
1PPS
110 V
1 A
Station Wide
GPS Clock
IEC080000723enOriginal.vsd
Preprocessing blocks
SMAI
Application
MU1
MU2
1 A
TRM module
Preprocessing blocks
SMAI
IED
Access Point
IEC08000072 V3 EN-US
Figure 261:
Example of signal path for sampled analogue values from MU and
conventional CT/VT
The function has the following alarm signals:
•
MUDATA:
•
Ok[0]
indicates that the merging unit samples are received from the
merging unit and are accepted.
•
ERROR[1]
indicates that the merging unit samples are generated by
internal substitution.
•
SYNCH:
•
OK[0]
indicates
1MRK 505 384-UEN A
Section 14
Station communication
Breaker protection REQ650 2.2 IEC
555
Technical manual
Summary of Contents for impreza 2017
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