Rockwell Automation Allen-Bradley PowerFlex 755T User Manual

24 Rockwell Automation Publication 750-PM101B-EN-P - April 2022
Chapter 3 PowerFlex 755T Control Block Diagrams
Line Side Converter Control Diagrams
Figure 3 - PowerFlex 755T Converter – Overview
PowerFlex 755T Converter - Overview
Voltage Control
Voltage Reference Generator
Power Factor Correction
Curr/Pwr Limits
Current Control
Current Reference Generator
Option Select
1msec ActvCnvtrVbusRefLim.slx
1msec ActvCurRegSel.slx
125usec LclSSComp.slx
125usec ActvCnvtrPwrLimCalc.slx
125usec VltgRefGen.slx
3
55
PI
Regulator
PI
Regulator
Auto
Gain
Calculation
79
104 105 100 33
35 31 32 34
125usec VbusReg.slx
PI
Regulator
Auto
Gain
Calculation
54 59 57
0
Limit
7 8
73
LCL
Model
50
Reference
Selection
and Limiter
Reference
Selection
and Limiter
49
66
Calc
PWM
40
65
48
13
60 58
78 80
Metering
125usec
AC Line
Voltage
Processing
Converter
Current
Processing
LCL Filter
Capacitor Current
Processing
DC Bus
Voltage
Processing
Power Loss
125usec
Power
Disturbance
Monitor
Ride Through
Conguration
173 176 179 181
LineSideCnv Data
125usec ActvCnvtrPwrCalc.slx
Instantaneous
Power
Calculator
13 14 16 15
67
125usec
Phase Lock Loop
Phase
Locked
Loop
1
47
2
226 7
226 4
226 5
101 106 107
Ki
Kp
192
88
85 86 87 89 90 91
LSC Control Cfg
2
1
1
174 180 177
56 52
171
170
172
M
anDCBus Ref Sel
DC Bus Rate Lmt
D
C Bus Ref Preset
AC Line Voltage
PLL Cong
Basic PLL Kp
Basic PLL Ki
2
nd
Harm Filt BW
DC Ost Filt BW
DC Ost LPF BW
AC Line Freq
Basic PLL Error
Line Voltage
Feedback
Converter Current
Feedback
AC Line kW
AC Line kVA
AC Line kVAR
Power Factor
Line Angle
Line Voltage
Feedback
RMS
Line Voltage Feedback
Converter Current
Feedback
RMS
Converter Current Feedback
Grid
Current Feedback
DC Bus
Voltage Feedback
Line Voltage
Grid Current Feedback
BasicPLL Err Lmt
BasicPLL Err Dly
AC Line Freq
Port 0
DC Bus Volts
Ext Bus Cap
Volt Reg C/U Sel
Volt Reg BW
Volt Reg Damping
u Volt Reg Ki
u Volt Reg Kp
Line Voltage
Feedback
PhsLossRTExpActn
DFDTRdTHrExpACtn
VltgSa
gRTExpActn
PwrLossRTExpActn
VltgSag Det Actn
LSCPhLossDetActn
DFDT Det Actn
PLL LOS Det Actn
PwrLoss Det Actn
RideThrough Time
Voltage Sag Condition Status
DFDT Limit Condition Status
Line Sync Loss Condition Status Phase Loss Condition Status Power Loss Condition Status
c Volt
Reg Ki
c Volt
Reg Kp
AC Line
Freq
Vq, Vd
Regen Power Lmt
Motor Power Lmt
Current Lmt
Cur Lmt
Command
Regen Pwr
Avail
Motor Pwr
Avail
AC Line kW
Active Cur Ref
A
ctive Curr Rate
Conv Options Cfg
Iq Rate Lmt
Cur Reg C/U Sel
Cur Reg BW
Cur Reg Damping
u Cur Reg Ki
u Cur Reg Kp
AC Line kVA B
AC Line Imped% B
AC Line Source
AC Line kVA A
AC Line Imped% A
Reactive Current
Active Cur Cmd
Reactv Cur Cmd
c Cur Reg Ki
c Cur Reg Kp
Active Current
DC Bus Command
Vdc Cmd Lmt
Vdc Rate Lmt
AC Line Freq
Port 0
DC Bus Volts
3
1
46
Auto DC Bus Ref
45
DC Bus Ref Sel
74 77
76
75
193
Basic PLL Error
88
Drive Derating
Derating
Block
28
Derated
Amps
3
Port 0
DC Bus Volts
46
Auto DC Bus Ref
1msec
20usec
350DroopCtrlModeSel
NonLinear
Droop
Control
Linear
Droop
Control
357ManDroopDCBusMin
46
351
FullLd DroopGain
353Trans Droop Cur 352NoLd DroopGain
104Regen Power Lmt
105
Motor Power Lmt Auto DC Bus Ref
355
MaxFullLd
DrpGn
354
Droop Gain
Actv
356
NoLdDrpDC
BusRef
225
DrpGn
Limit Sts
1
0
25
Rated Volts
9
1msec DroopVdcRef.slx
DroopCtrl
DroopVdcRef
DroopVdcRef
VAR Control
69 70 82 83
40 3
VarDCBAdjDis
KVAR Ref
KVAR Rate Limit
BusAutoAdjReg Kp
BusAutoAdjReg Ki
1 msec
VARCtrlVdcRef
VARCtrlVdcRef
67
Active Cur Cmd
16
Power Factor
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 Overview

Rockwell Automation Allen-Bradley PowerFlex 755T Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley PowerFlex 755T
Category	DC Drives
Language	English