Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control - Manual (Page 127)

Rockwell Automation Publication 7000-UM202B-EN-P - June 2014 127
Component Definition and Maintenance Chapter 3
Figure 112 - AFE/18 Pulse 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 (up to three IGDPS modules for SPS drives). The
DC/DC is a fixed load; however, the quantity of IGDPS modules will vary
depending upon the drive configuration and whether SPS modules are used.
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 that
power the SGCTs. The input and output voltages are monitored and fail signals
are annunciated upon either voltage going below a pre-set level.
Figure 113 - AC/DC Converter Power Supply
DC FAIL: Upon loss of DC output (V outputs ≤ 49V DC) this output goes
from low to high. The AC/DC power supply is located in the low voltage panel
at the top right-hand section of the drive. A typical low voltage compartment is
shown in
Figure 114 .
18 Pulse
AFE
DC/DC Converter
AC/DC Converter
56V DC
600 W/ 1000W/
1500 W
Line
Filter
Customer
Supplier
120V 1-ph
- Printer
- Operator Interface
- Relays
C Hold-up
Sense Cable
20V Isolated
Gate Driver
Power Supply
Inverter only for SPS Drives
20V
24V-Isolators
24V-XIO
+/-24V-HECS
+/-15V Logic
5V-Logic
VFD
Fan
380V 50 Hx
or
460V 60 Hz
3-ph
Tx Fan
VFD
Fan Tx Fan
380V 50 Hx
or
460V 60 Hz
3-ph
AC/DC Power Supply
56V DC
600 W/ 1000 W/
1500 W HV IGDPS
Power
Supply
DC/DC Power
Supply
DC Fail
Single Phase
95...265V AC
47...63 Hz
0.98PF@1000 W or
0.98PF@1500 W