Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive (A Frame) - ForGe Control (PanelView 550) - Manual (Page 14)

1-2 Overview of Drive
7000A-UM151D-EN-P – March 2013 7000 “A” Frame
Drive Configurations – PowerFlex 7000 “A” Frame
Configuration #1
Direct-to-Drive
(AFE with DTC DC Link)
Elimination of isolation transformer results in lower
losses and saved space
An integrated system solution for fewer connections
and reduced installation costs
New or existing motors
Small system footprint
3 cables in/3 cables out on entire system for easy
installation
Low line harmonics and high power factor (typical
current THD < 5%, PF > 0.98)
Fan control power and control circuit power
supplied internally
Input starter optional
Direct-
to-Drive
(Optional
Input
Starter)
Configuration #2
AFE Rectifier
(Separate isolation transformer)
Optimum installation flexibility with connection to
indoor or outdoor isolation transformers
Compact packaging for smallest footprint
requirements
New or existing motors
3 cables in/3 cables out for easy installation
Low line harmonics and high power factor (typical
current THD < 5%, PF > 0.98)
Fan control power supplied internally (1-phase
control circuit power supplied by customer,
120V/60 Hz, 110V/50 Hz, 20 amp)
AFE
Rectifier
Configuration #3
AFE Rectifier
(Integral isolation transformer)
An integrated system solution for fewer connections
and reduced installation costs
Small system footprint
New or existing motors
3 cables in/3 cables out for easy installation
Integral cooling fans for VFD and transformer
Low line harmonics and high power factor (typical
current THD < 5%, PF > 0.98)
Fan control power supplied internally (1-phase
control circuit power supplied by customer,
120V/60 Hz, 110V/50 Hz, 20 amp)
Integral
Isolation
Transformer