Rockwell Automation Liqui-Flo AC GP Vector Drive Version 6.4 User Manual
Page 214
G-4
LiquiFlo AC Drive, Software Reference Version 6.4
Figure G.2 – Flux Vector Control Block Diagram
Figure G.3 – Sensorless Vector Control Block Diagram
Torque
Controller
Motor
Power
Devices
E
AC Line
Speed Loop
See figure G.5
dx/dt
Relative shaft
position
Speed
feedback
Current feedback
Reference Selection
See figure G.4
Torque
Controller
Motor
Power
Devices
AC Line
Speed Loop
See figure G.5
Estimated
speed
feedback
Current feedback
Reference Selection
See figure G.4
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