Rockwell Automation Allen-Bradley PowerFlex 755T User Manual

Rockwell Automation Publication 750-PM101B-EN-P - April 2022 21
Chapter 3
PowerFlex 755T Control Block Diagrams
Flow diagrams on the following pages illustrate the PowerFlex® 755T drive
control algorithms.
Line Side Converter Block Diagrams (PowerFlex 755TL Drives, 755TR Drives, and 755TM Bus
Supplies)
Diagram Page
PowerFlex 755T Converter – Overview 24
Metering 25
Phase Locked Loop 26
Power Loss 27
Line Side Converter Data 28
Current Reference Generator 29
Reactive Power Control 30
Droop Control 31
Dynamic Bus Control 32
Voltage Reference Generator 33
Voltage Control 34
DC Bus Observer 35
Power Factor Correction 36
Current/Power Limits 37
Current Control 38
LSC Control Configuration 39
Drive Derating 40
Motor Side Inverter Block Diagrams
Diagram Page
Flux Vector Overview 41
Variable Frequency, SV Overview 42
CBI Metering 43
Feedback Configuration & Status 44
Position Homing 45
Position Reference 1 46
Position Reference – Move Profiles 47
Position Reference 2 48
Position Regulator 49
Position Control – Phase Locked Loop 50
Position Control – Position Reference CAM 51
Position Control – Profiler/Indexer 1 52
Position Control – Profiler/Indexer 2 53
Position Control – Roll Position Indicator 54
Position Control – Spindle Orient 55
Velocity Reference Overview 56
Velocity Reference Selection 57

Rockwell Automation Allen-Bradley PowerFlex 755T Specifications

General

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