Rockwell Automation 20G PowerFlex 750-Series AC Drives - Manual (Page 217)

Rockwell Automation Publication 750-RM002B-EN-P - September 2013 217
Motor Control Chapter 4
In the next plot all conditions are the same except the Flux Braking feature is
enabled. Note the flux to the motor is increased and the decel time is shorter.
Finally the same test with the gains set to maximum levels. Slightly faster decel.
The use of the gains vary with the connected load.
Flux Braking - Enabled
Id Torque Ref Motor Speed DC Bus Voltage
Note the decel time.
Compare to disabled.
Increased flux to the motor.
Flux Braking - Full Gains
Id Torque Ref Motor Speed DC Bus Voltage
Note the decel time.
Compare to disabled.
Increased flux to the motor.