A Fibonacci Series based Nearest Level Modulation Scheme for Multilevel Inverters

A. Rakesh Kumar, Padmanaban Sanjeevikumar, Partha Sarathi Subudhi, Frede Blaabjerg, C. Dhanamjayulu

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

1 Citation (Scopus)

Abstract

Modulation scheme in multilevel inverters (MLI) carries an important role in efficient power conversion from DC to AC power. They are superior in performance to the conventional two and three-level inverters. Recently, the Low Switching Frequency modulation schemes have gained a good amount of significance over High Switching Frequency modulation schemes because of their various advantages such as reduced switching losses, lower device cooling requirements, higher converter efficiency and so on. A Fibonacci series based NLM scheme named as F-NLM is presented in this paper where several iterations were carried out to arrive at an optimal set of switching angles following the Fibonacci number series. An asymmetrical Cascaded H-Bridge Inverter (CHBI) is taken up for the study to generate a nine-level MLI output. We carried simulations out in MATLAB environment, and we found the proposed modulation scheme to reduce the voltage THD and improve the power quality.
Original languageEnglish
Title of host publicationProceedings of the 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL)
Number of pages6
PublisherIEEE
Publication dateNov 2020
Pages1-6
Article number9265866
ISBN (Electronic)978-1-7281-7160-9
DOIs
Publication statusPublished - Nov 2020
Event21th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020 - Aalborg, Denmark
Duration: 9 Nov 202012 Nov 2020

Conference

Conference21th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020
Country/TerritoryDenmark
CityAalborg
Period09/11/202012/11/2020
SeriesIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

Keywords

  • Multilevel inverter
  • harmonics mitigation
  • total harmonics distortion
  • optimization

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