Rockwell Automation Publication 750-RM003A-EN-P - April 2018 13
Chapter 1
Selection Considerations
Before proceeding with detailed migration guidelines, see Table 1 on page 7 to
verify that you can migrate your PowerFlex 700AFE bus supply.
You must consider the hardware and control differences between the
PowerFlex 700AFE and PowerFlex 755TM bus supplies. This chapter
describes some of the primary differences. Additional chapters will provide in-
depth comparisons.
A common DC bus drive system is a complex electrical and mechanical system
that can be composed of many different power devices, such as DC input
common bus inverter, capacitor banks, bus conditioners, and common mode
filters. Because these drive systems are custom designed, it is important to
review the existing inverter and other equipment that will be connected to the
DC bus to confirm whether the equipment is compatible with the new
PowerFlex 755TM bus supply. Some devices are not compatible and must be
substituted, removed completely, or circuits modified for use with the
PowerFlex 755TM bus supply.
IMPORTANT Review Drives in Common Bus Configurations with PowerFlex 755TM Bus
Supplies application technique, publication DRIVES-AT005
, to confirm that
the existing DC bus system and connected DC bus equipment is compatible
with the PowerFlex 755TM bus supply converter.
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