A space vector modulation strategy for three-level operation based on dual two-level voltage source inverters

This paper presents a space vector modulation (SVM) technique for a three-level operation based on dual two-level voltage source inverter (VSI). This inverter topology uses two standard two-level VSI placed in parallel using a three-phase transformer to connect them together. This paper proposes a g...

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Bibliographic Details
Main Authors: Kumsuwan,Y., Srirattanawichaikul,W.
Format: Conference or Workshop Item
Published: 2015
Online Access:http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84906706596&origin=inward
http://cmuir.cmu.ac.th/handle/6653943832/39057
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Institution: Chiang Mai University
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Summary:This paper presents a space vector modulation (SVM) technique for a three-level operation based on dual two-level voltage source inverter (VSI). This inverter topology uses two standard two-level VSI placed in parallel using a three-phase transformer to connect them together. This paper proposes a general modulation algorithm for dual two-level VSI based on the basic two-level SVM technique. The proposed inverter produces five-level line-to-line voltage waveforms, which is able to generate voltage levels similar to a three-level inverter. The practicality and performance of the modulation strategy for the proposed inverter topology has been verified via simulation and experiment. © 2014 IEEE.