Reliability Evaluation in Distribution Networks with Microgrids: Review and Classification of the Literature

Jose L. López-Prado, Jorge I. Vélez and Guisselle A. Garcia-Llinás
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Jose L. López-Prado: Department of Electronics Engineering, Faculty of Engineering, Universidad de Sucre, Sincelejo 700001, Sucre, Colombia
Jorge I. Vélez: Department of Industrial Engineering, Universidad del Norte, Barranquilla 080001, Atlántico, Colombia
Guisselle A. Garcia-Llinás: Department of Industrial Engineering, Universidad del Norte, Barranquilla 080001, Atlántico, Colombia

Energies, 2020, vol. 13, issue 23, 1-31

Abstract: Modern power systems must provide efficient, reliable, and environmentally responsible energy. Recently, the inclusion of Microgrids (MGs) has allowed us to overcome some difficulties and face important challenges in this direction, especially related to the use of alternative energy sources. Increased and probabilistic demand, as well as limited energy supply, pose the need to evaluate the reliability of any distribution system (DS) when MGs are introduced. Here we reviewed and classified the state-of-the-art of reliability assessment (RA) in MGs. Initially, we contextualize RA in distribution systems. Next, each of the MGs subsystems components are introduced and the questions (1) why is it important to evaluate the reliability in Microgrids? (2) how do Microgrids influence the reliability of distribution systems? and (3) how does each of its subsystems influence the reliability of the Microgrids? are addressed. A total of 1395 research studies were published between 2002 and 2020. Using the PRISMA model, 147 met the inclusion criteria (71% correspond to research papers and 29% to reviews; 62% were published in journals, 34% were conference papers and 4% were books). The first study dates from 1971. Despite immense advances in MGs, we identified that (1) real test systems constitute an emerging trend; (2) although new MG configurations sound promising, the development and application of new RA techniques are a necessary step towards the identification of potential pitfalls of such architectures; (3) new RA methods or variations of the existing ones, whether analytical or simulation-based, are constantly being proposed, but their comparison for a particular DS, including MGs, are yet to be performed; and (4) more research studies are needed to assess how new control strategies and information and communications technology impact MGs reliability. Future lines of research could build upon these gaps to enhance reliability, especially when alternative energy resources are available.

Keywords: reliability assessment; distribution systems; Microgrids; smart grids; distributed generation; Monte Carlo simulation; Markov (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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