Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 380)

380 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A PowerFlex 753 Control Block Diagrams
Figure 16 - Torque Control - Overview (IPM)
Torque Control –
Overview
Interior Permanent Magnet Motor (IPM)
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
PF75
3 Rev_
10.a
Page 15b
Torque
Reference
Scale
and Trim
Speed / Torque / Po
si
tio
n
Mode Sele
ct
Tor
que
Limit
Torque
Limit
Select
+
+
Bus
Voltage
Regulator
Torque Step
Sp
d Reg
PI
O
ut
Torq Ref 1 Torq Ref 2
Torq T
rim
Spe
ed
Reg
Output
Trim
Inertia Comp
Regen Power Limit
Pos Torque Limi
t
N
eg Tor
que Limit
Notch Filter
Fil
tered
Torq
ue Ref
+
+
Select
Drive Voltage and
Current Ratings Brake/Bus Config DC
Bu
s Vo
lta
ge
Current
Limit
Rate Limit
Iq
Cur
ren
t
Re
f
Pwr
Te
Calc
Power, To
rqu
e
, and Current Limit Reference Generation
Current
Limit
Proc
essing
and
Selection
+
Te
Id
Ca
lc
Voltage
Lim
it
Cu
rre
nt
Limit
Id
Cur
ren
t
Re
f
Te
Iq
Calc
Id