Parameter Estimator-based Power Control Strategy of Microgrids Considering Nonlinear Inductor

Wenbin Yuan, Yanbo Wang, Dong Liu, Fujin Deng, Zhe Chen

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

Abstract

This paper investigates the effect of filter inductor nonlinearity due to current and temperature variation on power control performance in microgrids. Output impedance model of inverters considering nonlinear inductor is first derived to analyze the effect of nonlinear inductor on system power control performance. Furthermore, a parameter estimator-based power control strategy is proposed to mitigate the effect and implement desired reactive power sharing under different load and temperature profiles. Simulation and experimental results show that the proposed control strategy is able to perform desirable power sharing with a good capability to reject the nonlinear characteristic of filter inductor.
Original languageEnglish
Title of host publicationThe Applied Power Electronics Conference (APEC) 2021
PublisherIEEE Press
Publication date2021
Publication statusPublished - 2021

Keywords

  • Nonlinear Inductor
  • Temperature stress
  • AC microgrid

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