Rockwell Automation PowerFlex series - Page 239

PowerFlex Digital DC Drive User Manual - Publication 20P-UM001C-EN-P - July 2008
Control Block Diagrams D-9
Droop Compensation - Inertia / Loss Compensation
Droop Compensation
P41 Current Reg In
+
+
Low Pass Filter
P698 Load Comp P700
Droop Limit
P697 Droop Filter
Zero
P696 Droop Percent
P699 Enable Droop
T
To Trim Speed
Reference Sum
From Digital Sett ing
or Analog Input
Inertia / Loss Compensation
n
d
P106 Ref Zero Level
P1012 Inertia C Filter
Low Pass Filter
P500 Field Ref Pct
Speed
P1014 Inertia
P1015 Friction
+
1
P1016 SpdFuncSelect
T
P1013 Torque Const
P118 Speed Reg In
To Speed Regu lator
Ouput Sum
Σ