Impact of State-of-Charge Control Integrated with Load-Frequency Control on Battery Energy Storage System in Islanded Microgrid System

Sandro Sitompul, Goro Fujita

研究成果

抄録

Islanded microgrid systems are highly susceptible to disturbances. Fluctuating loads, low system inertia, the intermittent output of renewable energy sources (RES) alSOContribute to system disturbances. The use of storage devices, especially the battery energy storage (BES) system, provides the answer that the system can maintain its stability. The BES can participate actively in regulating the system frequency. However, the battery's active participation causes fluctuation in its state-of-charge (SOC), causing unstable battery performance and shortening the battery lifetime. By increasing the battery capacity, such a problem is solved. Nevertheless, the enlarged battery capacity may make its economic value unattractive. Hence, SOC control is needed on the BES to maintain battery performance but does not override system performance. In this paper, a battery SOC control installed in BES load-frequency control (EEC) is proposed in this study. The proposed method is evaluated based on battery performance for one year. It provides technical performance, which stays within the grid code and provides low economic value compared to other control.

本文言語English
ホスト出版物のタイトルProceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021
出版社Institute of Electrical and Electronics Engineers Inc.
ページ199-203
ページ数5
ISBN(電子版)9781728163444
DOI
出版ステータスPublished - 2021 5 24
イベント12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021 - Virtual, Singapore, Singapore
継続期間: 2021 5 242021 5 27

出版物シリーズ

名前Proceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021

Conference

Conference12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021
国/地域Singapore
CityVirtual, Singapore
Period21/5/2421/5/27

ASJC Scopus subject areas

  • 制御と最適化
  • エネルギー工学および電力技術
  • 電子工学および電気工学
  • 機械工学

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