Effect of weather and the hybrid energy storage on the availability of standalone microgrid

A. Abdulkarim*, S. M. Abdelkader, D. J. Morrow, A. J. Falade, A. U. Lawan, H. R. Iswadi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)
187 Downloads (Pure)

Abstract

This paper presents a model for availability analysis of standalone hybrid microgrid. The microgrid used in the study consists of wind, solar storage and diesel generator. Boolean driven Markov process is used to develop the availability of the system in the proposed method. By modifying the developed model, the relationship between the availability of the system with the fine (normal) weather and disturbed (stormy) weather durations are analyzed. Effects of different converter technologies on the availability of standalone microgrid were investigated and the results have shown that the availability of microgrid increased by 5.80 % when a storage system is added. On the other hand, the availability of standalone microgrid could be overestimated by 3.56 % when weather factor is neglected. In the same way 200, 500 and 1000 hours of disturbed weather durations reduced the availability of the system by 5.36%, 9.73% and 13.05 %, respectively. In addition, the hybrid energy storage cascade topology with a capacitor in the middle maximized the system availability.

Original languageEnglish
Pages (from-to)189-198
Number of pages10
JournalInternational Journal of Renewable Energy Research
Volume6
Issue number1
Publication statusPublished - 2016

Keywords

  • Availability
  • Hybrid energy storage system
  • Microgrid
  • PV
  • Renewable energy
  • Wind

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology

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