A Decentralized Power Allocation Strategy via an Adaptive Integral Droop Approach in DC Microgrids

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Abstract

Power Allocation is an important issue for a DC microgrid equipped with a hybrid energy storage system (HESS). To solve the power allocation problem of the HESS under power fluctuations of different strengths, this paper proposes an adaptive power allocation strategy based on the integral droop control in DC microgrids. The integral droop control coefficient will be adjusted automatically according to the variation of power demand, thereby HESS can better cope with power fluctuations of different strengths. The proposed strategy achieves the aim of power distribution while ensuring both system stability and dynamic performance, by which the lifespan of HESS could be extended. Finally, the feasibility and effectiveness of the proposed strategy are verified by simulation in Matlab/Simulink environment.

Original languageEnglish
Title of host publicationProceedings of the 18th IEEE Conference on Industrial Electronics and Applications, ICIEA 2023
EditorsWenjian Cai, Guilin Yang, Jun Qiu, Tingting Gao, Lijun Jiang, Tianjiang Zheng, Xinli Wang
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages862-867
Number of pages6
ISBN (Electronic)9798350312201
DOIs
StatePublished - 2023
Event18th IEEE Conference on Industrial Electronics and Applications, ICIEA 2023 - Ningbo, China
Duration: 18 Aug 202322 Aug 2023

Publication series

NameProceedings of the 18th IEEE Conference on Industrial Electronics and Applications, ICIEA 2023

Conference

Conference18th IEEE Conference on Industrial Electronics and Applications, ICIEA 2023
Country/TerritoryChina
CityNingbo
Period18/08/2322/08/23

Keywords

  • DC microgrid
  • adaptive coefficient adjustment
  • droop control
  • hybrid energy storage system
  • power allocation

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