Adaptive Droop Control Strategy of Autonomous Microgrid for Efficiency Improvement

Wenbin Yuan, Yanbo Wang, Dong Liu, Fujin Deng

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

8 Citations (Scopus)

Abstract

This paper presents an adaptive droop control strategy to improve operation efficiency of microgrids under different load profiles. Efficiency model of microgrid is first established to analyze time-variant characteristic of efficiency under different load profiles. Then, optimum solution of efficiency model is derived by Lagrange Multiplier Method and optimum conditions to capture maximum efficiency are then obtained. Furthermore, an adaptive droop control strategy is proposed to improve operation efficiency according to established efficiency model. Simulation results are provided to validate the adaptive droop control strategy. The proposed droop control strategy improves overall efficiency of microgrid under different load profiles. Also, it preserves advantages of conventional droop control strategy.
Original languageEnglish
Title of host publicationProceedings of 2019 IEEE 10th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
Number of pages6
PublisherIEEE Press
Publication dateJun 2019
Pages972-977
Article number8807589
ISBN (Electronic)9781728124551
DOIs
Publication statusPublished - Jun 2019
Event10th International Symposium on Power Electronics for Distributed Generation Systems - Xi'an, China
Duration: 3 Jun 20196 Jun 2019

Conference

Conference10th International Symposium on Power Electronics for Distributed Generation Systems
Country/TerritoryChina
CityXi'an
Period03/06/201906/06/2019
SeriesIEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
ISSN2329-5767

Keywords

  • Adaptive Droop control
  • Efficiency model
  • Optimization
  • Parallel inverters
  • AC microgrid

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