Optimal Allocation and Operation of Droop-Controlled Islanded Microgrids: A Review

Maen Z. Kreishan and Ahmed F. Zobaa
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Maen Z. Kreishan: Electronic and Electrical Engineering Department, Brunel University London, Uxbridge UB8 3PH, UK
Ahmed F. Zobaa: Electronic and Electrical Engineering Department, Brunel University London, Uxbridge UB8 3PH, UK

Energies, 2021, vol. 14, issue 15, 1-45

Abstract: This review paper provides a critical interpretation and analysis of almost 150 dedicated optimization research papers in the field of droop-controlled islanded microgrids. The significance of optimal microgrid allocation and operation studies comes from their importance for further deployment of renewable energy, reliable and stable autonomous operation on a larger scale, and the electrification of rural and isolated communities. Additionally, a comprehensive overview of islanded microgrids in terms of structure, type, and hierarchical control strategy was presented. Furthermore, a larger emphasis was given to the main optimization problems faced by droop-controlled islanded microgrids such as allocation, scheduling and dispatch, reconfiguration, control, and energy management systems. The main outcome of this review in relation to optimization problem components is the classification of objective functions, constraints, and decision variables into 10, 9 and 6 distinctive categories, respectively, taking into consideration the multi-criteria decision problems as well as the optimization with uncertainty problems in the classification criterion. Additionally, the optimization techniques used were investigated and identified as classical and artificial intelligence algorithms with the latter gaining popularity in recent years. Lastly, some future trends for research were put forward and explained based on the critical analysis of the selected papers.

Keywords: optimal allocation and operation; droop control; islanded microgrid; renewable energy; generation and load uncertainties; artificial intelligence; multi-objective optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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