Rockwell Automation 20G PowerFlex SCR Bus Supply - Manual (Page 32)

1-18 Installation/Wiring
PowerFlex SCR Bus Supply User Manual
Publication 20S-UM001G-EN-P
SCR Bus Supply 12-Pulse
Configuration Standalone or master/slave SCR Bus Supplies can be used on applications
that use a 12-pulse transformer to minimize power line harmonics.
Important: Be sure to select the slow ramp time (see Jumper Settings on
page 1-12 ).
Figure 1.12 shows a recommended 12-pulse system configuration with
optional slave SCR Bus Supplies.
Figure 1.12 12-Pulse System Configuration
For additional recommendations about SCR Bus Supply 12-pulse
configurations, contact Rockwell Automation Technical Support.
Y


Reactor
Standalone
or
Master
SCR Bus
Supply
Reactor
Fuses*
Gate
Harness
Fuses*
Enable
Slave
Reactor
12-Pulse
Transformer
Slave
Reactor
AC Line
Standalone
or
Master
SCR Bus
Supply
Gate
Harness
Fuses* Fuses*
* Fuses are optional.
DC Bus