38 Rockwell Automation Publication 750-PM101B-EN-P - April 2022
Chapter 3 PowerFlex 755T Control Block Diagrams
Figure 17 - Current Control
1
2
3
4
5
6
BA
D
C
FHEG
I
Current Control (CurrCtrl)
Auto Gain
Calculation
PI Regulator
75
76
Cur Reg BW
Cur Reg Damping
0
1
74Cur Reg C/U Sel
LCL Data
0
1
79
u Cur Reg Ki
77
u Cur Reg Kp
Source
Impedance
Processing
32
34
AC Line kVA A
AC Line Imped% A
31AC Line Source
33
35
AC Line kVA B
AC Line Imped% B
c Cur Reg Ki 80
c Cur Reg Kp
78
Active Current
7
Active Cur Cmd
67
PI Regulator
Reactive Current
8
Reactv Cur Cmd
73
CurPwrLmt [G3]
CurPwrLmt [G4]
Metering [I1]
Metering [I2]
P
W
M
IqSyncErr
IdSyncErr
VqSyncRef
VdSyncRef
CurRegKiIq
CurRegKpId
CurRegKpIq
CurRegKiId
PFC [G3]
PFC [G4]
CurRegqOut
CurRegdOut
Cur Reg C/U Sel Selector:
0- Calculated
1- User Entered
Overview VarCtrl PFC Vector Overview PRef Move Prof Ind 2 VelRefCAM Ld Obs Cur IPM MOP Logic
Metering DroopCtrl CurPwrLmt Freq Overview PRef2 Roll Psn VRef Vect Friction Comp Proc 1 22Series IO Digital Invert
PLL DBC CurrCtrl CBI Metering PReg Spindle Ref Move Trq RefCAM Proc 2 22Series IO Digital Motor I2T
PwrLoss VoltRefGen LscCtrlCfg Fdbk Psn PLL VRef Overview VReg Vect Trq Ref AntiSway 11-Series IO Digital High Speed Wizard
LscData VoltCtrl DriveDerating Homing Psn CAM VRef Sel Trq Overview Trq Filt Oil Well 1 22-Series IO Analog
CurRefGen DCBusObs PRef1 Prof Ind 1 VRef All Trq Ref Sel Cur IM SPM Oil Well 2 22-Series IO Analog CurrCtrl
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