Paper Info
Title
A Five-Level Inverter Scheme Using Single DC Link with Reduced Number of Floating Capacitors and Switches for Open-End IM Drives
Abstract
This paper presents a 5-level inverter topology for open-end induction motor drives by using a single dc source. The open stator windings of the drive are supplied with a 3-level flying capacitor inverter from one end and capacitor-fed 2-level inverter from another end. The voltage ratio of the dc link to the capacitor in 2-level inverter is maintained at 4:1 ratio to generate five-level voltage output. The capacitor in 2-level inverter is balanced by the switching redundant vector combinations from both the inverters while the floating capacitors in the 3-level inverter are balanced by using redundant switching states. The proposed topology gives 5-level operation with less number of floating capacitors and power semiconductor switches compared to other existing topologies. Also, the balancing of the capacitors is independent of load power factor and modulation index. Further, the generalization of the proposed dual inverter scheme for any <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">n</italic> -level inverter is also included in this paper. The experimental results and required analysis are also presented to validate the inverter scheme.
Year
DOI
Venue
2020
10.1109/tie.2019.2898594
IEEE Transactions on Industrial Electronics
Keywords
Field
DocType
Inverters,Capacitors,Switches,Topology,Pulse width modulation,Integrated circuits,Induction motor drives
Inverter,Modulation index,Induction motor,Capacitor,Control theory,Voltage,Pulse-width modulation,Power factor,Stator,Engineering
Journal
Volume
Issue
ISSN
67
2
0278-0046
Citations 
PageRank 
References 
2
0.46
0
Authors
6
Name
Order
Citations
PageRank
Mriganka Ghosh Majumder121.47
Apurv Kumar Yadav220.46
K. Gopakumar363574.23
Krishna Raj R430.82
Umanand Loganathan542.23
Leopoldo G. Franquelo655256.44