Rockwell Automation 7703E Medium Voltage SMC OEM Components - 10-15 kV - Manual (Page 50)

50 Rockwell Automation Publication 7703E-IN001E-EN-P - July 2014
Appendix B Typical Schematic Diagrams
Figure 24 - Typical Power System Diagram (10-15 kV)
Note: Requires input disconnection (optional), as well as main and bypass
vacuum contactors.
WIRE CONNECTIONS FOR PHASE A
WIRE CONNECTIONS FOR PHASE B
WIRE CONNECTIONS SHOWN FOR PHASE C
DON’T CONNECT
CURRENT LOOP CONDUCTORS PASS THROUGH THE CURRENT
LOOP GATE DRIVE CURRENT TRANSFORMER ASSEMBLY
REMOTE EQUIPMENT
USED ONLY FOR 4 OR MORE POWERBRICKS IN SERIES
NOT INCLUDED WITH MV SMC FLEX OEM KITS
SHORT CIRCUIT PROTECTIVE DEVICE (SCPD); MAY BE A CIRCUIT
BREAKER OR FUSED CONTRACTOR WITH DISCONNECT
LEGEND
NUMBER OF
POWERBRICKS (n)
VOLTAGE
MAXIMUM TWO STARTS PER HOUR WITH A MINIMUM OF FIVE
MINUTES BETWEEN STARTS
CAUTION:
FROM
CONTROL
CIRCUIT
SMC FLEX
FIRER OPTIC
BOARD
SMC FLEX INTERFACE BOARD
SMC FLEX XIE
GA
TE
T
RAN
SM
IT
TE
RS
VOLTAGE FEEDBACK
VBS
FROM CLT
SHT 2, LINE C-212
CT
IN
PU
TS
FROM
CONTROL
CIRCUIT TO SMC FLEX CONTROL MODULE
GATE TRANSMITTERS
POWERBRICK 1 POWERBRICK n