Evaluation of Different Optimization Techniques and Control Strategies of Hybrid Microgrid: A Review

Sk A. Shezan, Innocent Kamwa*, Md Fatin Ishraque, S. M. Muyeen, Kazi Nazmul Hasan, R. Saidur, Syed Muhammad Rizvi, Md Shafiullah, Fahad A. Al-Sulaiman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Energy consumption is increasing rapidly; hence, the energy demand cannot be fulfilled using traditional power resources only. Power systems based on renewable energy, including solar and wind, are effective and friendly for the environment. Islanded hybrid microgrid systems (IHMS) are relatively new in this industry and combine two or more sustainable sources, such as wind turbines, solar photovoltaic (PV), and other renewable alternatives, ocean, wave, and geothermal energy, etc. While sustainable, long-lasting power sources are the best choice to satisfy the growing energy demands, they are still not yet ready to be used on a large scale due to their stochastic characteristics. Furthermore, integrating these sources into the existing energy system can cause high technical difficulties, due to the stochastic nature of solar and wind in the conventional grid system and common stand-alone framework. A review of research and applications of the effective hybridization of renewable energy sources is therefore essential to address those technical and economic issues and ensure system stability, reliability, and cost-effectiveness. This article discusses the challenges that might arise when a PV plant and a wind power station are combined to produce power for the conventional main grid or in a stand-alone system. In addition, this analysis provides light on optimization approaches for improving power quality and cost-effectiveness in a solar and wind integrated IHMS. Voltage fluctuation, frequency deviation, and the uncertain nature of solar irradiation and wind sources are significant challenges for both grid-connected and standalone hybrid systems. This study then provides an overview of the control strategies which might help enhance the integration of the IHMS in producing electricity for distribution to the grid-connected load and the islanded load. In this study, the possible issues that can hinder the smooth integration of these renewable sources have been discussed. Finally, this study discusses the recent platforms being used in IHMS as well as the potential of dispatch strategies on solar and wind-integrated IHMS.

Original languageEnglish
Article number1792
Issue number4
StatePublished - Feb 2023

Bibliographical note

Funding Information:
This work was supported in part by the Canada National Sciences and Engineering Research Council through the Laval University, Grant ALLRP567550-21.

Publisher Copyright:
© 2023 by the authors.


  • IHMS
  • control strategy
  • optimization
  • renewable energy
  • solar energy
  • wind energy

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Building and Construction
  • Fuel Technology
  • Engineering (miscellaneous)
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering


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