A Twelve Concentric Multilevel Twenty-Four Sided Polygonal Voltage Space Vector Structure for Variable Speed Drives

Generating dense multilevel voltage space structure using polygons of higher sides is one of the novel and elegant method to suppress low-order harmonics and to obtain refined sinusoidal voltages using voltage source inverters for variable frequency drive application without passive filters. Apart f...

Full description

Saved in:
Bibliographic Details
Published in:IEEE transactions on power electronics 2019-10, Vol.34 (10), p.9906-9915
Main Authors: Raj R, Krishna, Gopakumar, K., Yadav, Apurv Kumar, Umanand, L., Malinowski, Mariusz, Jarzyna, Wojciech
Format: Article
Language:English
Subjects:
Aerospace electronics
Capacitor voltage ripple energy
Capacitors
Data buses
floating capacitors
Floating structures
Harmonic analysis
Harmonics
induction motor drive
Inverters
Low voltage
Modularity
Modulation
Multilevel
multilevel inverter
Periodic structures
polygonal voltage space vector structure
Polygons
single dc link
Topology
Variable speed drives
Voltage source inverter fed induction motors
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Generating dense multilevel voltage space structure using polygons of higher sides is one of the novel and elegant method to suppress low-order harmonics and to obtain refined sinusoidal voltages using voltage source inverters for variable frequency drive application without passive filters. Apart from the advantages of conventional multilevel inverter topologies, schemes generating polygonal voltage space vector structure can equip full dc-bus utilization, low switching frequency strategies to eliminate low-order harmonics, and increased linear modulation range. In this paper, an induction motor drive scheme generating a highly dense multilevel 24-sided polygonal voltage space vector structure using a single dc source, which can eliminate harmonics till 23rd order from phase voltages, is presented. Cascaded power circuit topology with a flying capacitor inverter fed with a dc source and two low voltage floating capacitor fed H-bridge inverters is used. Detailed experimentally validated results, under scalar as well as indirect rotor field oriented control of induction motor are provided. Studies on voltage ripple and reactive energy in various floating capacitors, harmonic performance of output voltage for wide range of speed operation, are also included.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2019.2892329