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A Qualitative Study on Hybrid Microgrid Control Methodologies: Challenges and Prospects

Zarin Anjum Ananna, Khadiza Talukder, Sumona Nondi, Mahmudul Hasan, Nahid-Ur- Rahman Chowdhury

Abstract


Recent advancements in conventional power systems have been significantly driven by the development of modern smart grids. These grids feature interconnected microgrids that are characterized by high levels of energy storage and renewable energy penetration, making them increasingly popular in contemporary distribution networks. Looking forward, electrical distribution systems are considered to hold substantial promise for hybrid AC-DC systems. The operation of these hybrid systems, facilitated by interfacing converters that connect AC and DC microgrids, benefits from this. Effective power management is crucial for the optimal operation of hybrid AC-DC microgrids. This study provides a comprehensive review of various control schemes designed for these microgrids. These strategies are implemented to achieve multiple control objectives, including bus voltage and frequency regulation, enhancement of power quality, stability and reliability, and economic dispatch. The discussion in this article covers different aspects related to these control objectives and the limitations inherent in their respective control strategies. Additionally, it explores future directions for the control of hybrid microgrids for power management that could potentially be implemented. The conclusions and recommendations are presented in the final section of this paper, aiming to contribute to the field by addressing both current challenges and future opportunities in hybrid AC-DC microgrid management.


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References


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