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Elimination of harmonics in multilevel converters using stochastic Newton method

  • Chuang Liu*
  • , Jianze Wang
  • , Dan Luo
  • , Fei Sha
  • *Corresponding author for this work
  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Chengdu Power Electric Bureau

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

Abstract

This paper presents a stochastic Newton method to compute the switching angles in multilevel converters so as to produce the required fundamental voltage while at the same time not generate higher order harmonics. For Newton method, a good initial guess which should be very close to exact solution patterns is necessary, so using stochastic techniques gives a new way to find possible initial values, such as the beginning process of particle swarm optimization (PSO). This synthetic method is called stochastic Newton method (SNM), which is applied to multilevel inverters with any number of levels. All sets of solutions are found for eleven and nineteen levels converters to show the simplicity, effectiveness, and easy implementation of SNM.

Original languageEnglish
Title of host publication2010 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2010 - Proceedings
DOIs
StatePublished - 2010
Externally publishedYes
EventAsia-Pacific Power and Energy Engineering Conference, APPEEC 2010 - Chengdu, China
Duration: 28 Mar 201031 Mar 2010

Publication series

NameAsia-Pacific Power and Energy Engineering Conference, APPEEC
ISSN (Print)2157-4839
ISSN (Electronic)2157-4847

Conference

ConferenceAsia-Pacific Power and Energy Engineering Conference, APPEEC 2010
Country/TerritoryChina
CityChengdu
Period28/03/1031/03/10

Keywords

  • Cascaded multilevel converters
  • PSO
  • Selective harmonic elimination (SHE)
  • Stochastic Newton Method (SNM)

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