A Novel Grid-connected Harmonic Current Suppression Control for Autonomous Current Sharing Controller-based AC Microgrids

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

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Abstract

Since the power quality of feed-in grid current in a grid-connected microgrid (GCMG) can be influenced by a distorted utility grid, a novel feed-in grid harmonic current suppression control strategy is proposed in this paper. A feed-in grid current resonant controller-based harmonic compensation loop is integrated to the original autonomous current sharing controller. The feed-in grid harmonic current compensation loop that cooperated with the parallel resonant controllers in voltage control loop can effectively reduce the system equivalent output admittance at selected harmonic frequencies. Thus, the total harmonic distortion of feed-in grid current can be significantly decreased. Simulation and experimental results from a three-voltage-controlled-inverter-based GCMG verify the effectiveness of the proposed controller.
Original languageEnglish
Title of host publicationProceedings of the 2018 IEEE Energy Conversion Congress and Exposition (ECCE)
Number of pages6
PublisherIEEE Press
Publication dateSept 2018
Pages5899-5904
Article number8557795
ISBN (Print)978-1-4799-7313-2
ISBN (Electronic)978-1-4799-7312-5
DOIs
Publication statusPublished - Sept 2018
Event10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018 - Portland, United States
Duration: 23 Sept 201827 Sept 2018

Conference

Conference10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018
Country/TerritoryUnited States
CityPortland
Period23/09/201827/09/2018
SponsorIEEE Industry Applications Society (IAS), IEEE Power Electronic Society (PELS)
SeriesIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

Keywords

  • Autonomous current sharing controller
  • Feed-in grid harmonic current suppression
  • Grid-connected microgrid
  • Resonant control

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