Multi-objective optimal operation planning for battery energy storage in a grid-connected micro-grid

Anto Ryu*, Hideo Ishii, Yasuhiro Hayashi

*この研究の対応する著者

研究成果: Article査読

6 被引用数 (Scopus)

抄録

This paper investigates an evaluation of the expected business continuity for a grid-connected microgrid (GCMG) consisting of a photovoltaic (PV) system and a Battery Energy Storage System (BESS) during an interruption of the external power supply. For evaluation indices, duration of self-power supply for critical loads and success rate of uninterrupted self-power supply are adopted and investigated in relation to PV capacity and BESS initial charge. In addition, a novel method of multi-objective optimal operation planning for BESS in a GCMG is proposed in this paper. Operation cost and resilience, which exist in a trade-off relationship, are simultaneously considered within the micro-grid. Electricity purchasing cost from the grid is used as an index of operation cost, duration of power outage within the micro-grid while switched to an independent operation state is used as an index of resilience to formulate the multi-objective optimization problem to determine the BESS operation planning. For optimization method, Multi-Objective Particle Swarm Optimization (MOPSO) is adopted. To verify the effectiveness of the proposed method, the numerical simulation was conducted, and the results demonstrated that the Pareto solutions, obtained by the proposed method, proved useful to micro-grid operators to determine the BESS operation planning considering the best balance between operation cost and resilience, which meet their need.

本文言語English
ページ(範囲)163-170
ページ数8
ジャーナルInternational Journal of Electrical and Electronic Engineering and Telecommunications
9
3
DOI
出版ステータスPublished - 2020 5 1

ASJC Scopus subject areas

  • 器械工学
  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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