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An Improved Parameter Dynamic Adjustment Module by Introducing Novel Boundary Condition for Harmonic Power Sharing

  • Tongjia Wei
  • , Hao Yi
  • , Kefan Yu
  • , Zhenxiong Wang
  • , Touqeer Ahmed
  • , Nian Lv
  • Xi'an Jiaotong University

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

Abstract

This paper introduces an equivalent harmonic impedance control method and a harmonic power-sharing scheme based on adopting virtual harmonic impedance for the typical islanded microgrid with multiple DG units and nonlinear loads. Then, the control range of the scheme is given based on the analysis of the root locus and boundary conditions of the system, including the upper limit and lower limit for DG's equivalent impedance. Finally, an improved parameter dynamic adjustment module is proposed to realize the adaptive parameter adjustment of the DG units under the control of the boundary of the control range and ensure the reasonable operation of DG units. The simulation and experimental results verify the conclusion.

Original languageEnglish
Title of host publicationProceedings
Subtitle of host publicationIECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society
PublisherIEEE Computer Society
Pages3851-3856
Number of pages6
ISBN (Electronic)9781728148786
DOIs
StatePublished - Oct 2019
Event45th Annual Conference of the IEEE Industrial Electronics Society, IECON 2019 - Lisbon, Portugal
Duration: 14 Oct 201917 Oct 2019

Publication series

NameIECON Proceedings (Industrial Electronics Conference)
Volume2019-October

Conference

Conference45th Annual Conference of the IEEE Industrial Electronics Society, IECON 2019
Country/TerritoryPortugal
CityLisbon
Period14/10/1917/10/19

Keywords

  • control range
  • equivalent harmonic impedance
  • harmonic power-sharing
  • islanded microgrid
  • parameter dynamic adjustment module

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