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Harmonics analysis and simulation of NLM in MMC

  • Y. Wang
  • , Z. Huang
  • , Y. Yuan
  • , L. Gao
  • , P. Li
  • Jiangsu Electric Power Company Research Institute

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

6 Scopus citations

Abstract

Selecting inter-phase circulation, up and lower bridge arm current, and AC output voltage wave of the inverter as research objects, this paper analysed harmonic components in Modular Multilevel Converter (MMC) in Nearest Level Modulation (NLM) when MMC is used as inverter. With theoretical deduction, this paper points out that the up and lower bridge arm current mainly contains DC current component, fundamental component and second harmonic component, inter-phase circulation contains only even harmonic, AC output voltage wave contains only odd harmonic components. Finally, the derivation results are simulated and verified by 11-level PWM converter model (See Fig.1 and Fig.2) based on Matlab/Simulink.

Original languageEnglish
Title of host publicationIET Conference Publications
PublisherInstitution of Engineering and Technology
EditionCP696
ISBN (Electronic)9781785612268
ISBN (Print)9781785612268
DOIs
StatePublished - 2016
Externally publishedYes
Event12th IET International Conference on AC and DC Power Transmission, ACDC 2016 - Beijing, China
Duration: 28 May 201629 May 2016

Publication series

NameIET Conference Publications
NumberCP696
Volume2016

Conference

Conference12th IET International Conference on AC and DC Power Transmission, ACDC 2016
Country/TerritoryChina
CityBeijing
Period28/05/1629/05/16

Keywords

  • Circulation
  • Harmonics
  • Modular multilevel converter
  • Nearest level modulation

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