Circuit configuration of a sensorless multilevel inverter with voltage multiplying ability

Erfan Azimi, Aryorad Khodaparast, Hossein Hafezi

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

This paper proposes a novel circuit configuration for multilevel inverters based on the switched-capacitor concept. This topology is suitable for integrating renewable energy sources into the utility grid due to its versatile voltage boosting capability. Simple Nearest Level Modulation (NLM) technique is used to control the newly proposed inverter topology. Requiring a single DC source and a reduced number of semiconductor devices are the main advantages of the proposed circuit structure. Furthermore, inherent voltage balancing of the capacitors and simple control process with neither a need for any external controllers nor sensors are other operational benefits of the presented topology. The performance of the 9-Level inverter is validated through a simulation model and experimental setup.

Original languageEnglish
Title of host publicationSEST 2021 - 4th International Conference on Smart Energy Systems and Technologies
PublisherIEEE
Number of pages6
ISBN (Electronic)9781728176604
DOIs
Publication statusPublished - 6 Sep 2021
Publication typeA4 Article in conference proceedings
EventInternational Conference on Smart Energy Systems and Technologies - Virtual, Vaasa, Finland
Duration: 6 Sep 20218 Sep 2021

Publication series

NameSEST 2021 - 4th International Conference on Smart Energy Systems and Technologies

Conference

ConferenceInternational Conference on Smart Energy Systems and Technologies
Country/TerritoryFinland
CityVirtual, Vaasa
Period6/09/218/09/21

Keywords

  • Boost
  • Multi-Level Inverter
  • Nearest Level Modulation
  • Single Source Converter
  • Switched-capacitor

Publication forum classification

  • Publication forum level 1

ASJC Scopus subject areas

  • Artificial Intelligence
  • Information Systems and Management
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Control and Optimization

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