Ac/dc power supply, Description, Figure 268 – Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C-Frame) - ForGe Control User Manual
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Rockwell Automation Publication 7000L-UM301D-EN-P - June 2014
Chapter 5
Component Definition and Maintenance
Figure 268 - 6-pulse / AFE Remote Transformer / Starter
AC/DC Power Supply
The load demands on the AC/DC converters are the DC/DC converter and up
to six IGDPS modules. The DC/DC is a fixed load; however, the quantity of
IGDPS modules will vary depending upon the drive configuration.
Description
The AC/DC power supply accepts single phase voltage and produces a regulated
56V DC output for the DC/DC power supply and the HV IGDPS modules for
the SGCTs. The input and output voltages are monitored and fail signals are
annunciated upon either voltage going below a pre-set level.
Figure 269 - AC/DC Converter Power Supply
-Printer
-Operator Interface
-Relays
DC/DC CONVERTER
AC/DC Converter
56V DC
1000W/1500W
+5V-LOGIC
+/-15V-LOGIC
+/-24V-HECS
+24V-ISOLATORS
+24 - XIO
SENSE CABLE
20V
C Hold-up
20V Isolated
Gate Driver
Power Supply
DC Fail
Customer
Supplied
120V
1-ph
Line Filter
VFD
Fan
380V 50Hz
or
460V 60Hz
3-ph
Tx Fan
AC/DC
Power Supply
56V,1000W or 1500W
Single phase
95-265V ac
47-63 Hz
0.98PF @1000W or
0.98PF@1500W
DC/DC
Power
Supply
HV IGDPS
Power
Supply
DC Fail
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