Roo structured design of a cascaded voltage/current controller for electronically interfaced distributed energy resources

Allal M. Bouzid, Mohammad S. Golsorkhi, Pierre Sicard, Ahmed Cheriti

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

In this paper a new controller design method for inverter-based distributed energy resources in standalone microgrids is proposed. The objective of the design is to exploit the flexibility and fast dynamics of the voltage inverter. The proposed control method is composed of droop, voltage and current controllers. The droop controller is based on V-I droop characteristics, and exhibits significantly faster dynamics compared to the conventional droop method. The voltage and current controllers utilize the structured Hoo PI regulation strategy to track the reference voltage and current. The PI controller parameters are tuned using Hinfstruct optimization function from the MA TLAB® Robust Control Toolbox. The performance of the closed-loop system is analyzed to illustrate the capabilities of the new technique. Simulation results are presented to prove validity and verify the efficiency of the proposed control.

Original languageEnglish
Title of host publication2015 10th International Conference on Ecological Vehicles and Renewable Energies, EVER 2015
PublisherIEEE
Publication date11. Jun 2015
Article number7112979
ISBN (Electronic)9781467367844
DOIs
Publication statusPublished - 11. Jun 2015
Event10th International Conference on Ecological Vehicles and Renewable Energies, EVER 2015 - Monte-Carlo, Monaco
Duration: 31. Mar 20152. Apr 2015

Conference

Conference10th International Conference on Ecological Vehicles and Renewable Energies, EVER 2015
Country/TerritoryMonaco
CityMonte-Carlo
Period31/03/201502/04/2015

Bibliographical note

Publisher Copyright:
© 2015 European Union.

Keywords

  • Droop control
  • Hinfstruct
  • Ho control
  • Microgrids
  • PI controller

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