[37]A literature review and statistical analysis of photovoltaic–wind hybrid renewable system research by considering the most relevant 550 articles: an upgradable matrix literature database.2021A statistical analysis was carried out to identify the most relevant criteria in the optimization of hybrid systems, as well as the tools used for their development.The countries with the greatest implementation of hybrid systems, the optimum climate for their performance, the most used auxiliary sources, the most frequent software, as well as the energy and economic criteria that influence their use were identified.[7]Optimal operation of hybrid AC/DC microgrids under uncertainty of renewable energy resources: a comprehensive review.2019An updated review on the optimal multi-objective design of hybrid energy systems was offered, providing relevant and updated information on this topic.The objective functions, optimization algorithms, and design constraints used in previous research on the subject were reviewed.[38]Hybrid renewable energy sources (HRESs): a review.2017This article synthesized the use of hybrid renewable energy sources (HRESs) and the related studies on optimization techniques.The use of different algorithms in optimization problems can lead to more efficient results.[39]Sizing, optimization, control, and energy management of hybrid renewable energy systems—a review.2021This review focused on the four fundamental categories of the hybrid renewable energy system: sizing, optimization, control, and energy management.A hybrid renewable energy system (HRES) can be self-sufficient to power a specific load, and optimization was carried out by using artificial methods and commercial programs. In these systems, the most commonly used control method was MPPT.[3]Recent advances of wind–solar hybrid renewable energy systems for power generation: a review.2021A comprehensive review of wind–solar hybrid renewable energy systems was conducted, focusing on power architectures, mathematical models, power electronic converter topologies, and algorithms used for design optimization.This study analyzed the system modeling, the different power converter configurations, and the algorithms used for optimal system design.[40]Hybrid renewable energy systems’ optimization. A review and extended comparison of the most-used software tools.2021Several modeling techniques and computer simulation tools were developed.This study provided insights into the renewable energy sources that are considered as primary by each software and the relevant dispatch strategy adopted.[2]A review on unit sizing, optimization and energy management of HRESs.2018This study focused on modeling hybrid energy resources, standby power systems, power conditioning units, and energy flow management techniques in detail.Different design techniques for hybrid renewable energy systems were reviewed and classified according to the availability of meteorological data. In addition, advances in hybrid energy resource modeling research were discussed.[41]Hybrid renewable energy system for real-time power management techniques—a review.2020In the context of the hybrid power system, management techniques were used to ensure system reliability and stability.This analysis provided an extensive compilation of the literature on hybrid renewable energy systems (HRESs), including various optimization techniques.[42]Hybrid energy storage review for renewable energy system technologies and applications.2021In this study, a comprehensive review was conducted on the different types of energy storage technologies (ESS), their structures, classifications, and advantages and disadvantages in microgrid applications.This paper reviewed various energy storage system (ESS) strategies and how to use them to improve grid stability and continuity.[10]Techno-economic feasibility analysis of off-grid electrification for remote areas: a review.2020This paper provided a detailed analysis of the fundamental reasons and advantages driving the adoption of hybrid renewable energy sources (HRESs).The study reviewed various aspects of hybrid renewable energy systems, including optimization, control, energy storage, reliability, economic and environmental assessment, demand-side management, uncertainty assessment, and others. Different types of consumers and system configurations were also considered.[43]Review on the state-of-the-art multi-objective optimization of hybrid standalone/grid-connected energy systems.2020The study reviewed the optimal state-of-the-art design of stand-alone or grid-connected hybrid energy systems.Multi-objective optimization in hybrid energy systems was reviewed, including the objective functions used, optimization algorithms, and design constraints. The methods used to solve multi-objective optimization problems were also reviewed.[5]Review of HRESs based on storage options, system architecture, and optimization criteria and methodologies.2017The tools and limitations for optimizing HRES systems were reviewed and the types of storage and backup systems available were analyzed.The literature review highlighted that reducing system costs is important in terms of economic constraints, while loss of power supply probability (LPSP) is a major challenge in terms of reliability constraints in HRES design.[4]A current and future state-of-the-art development of hybrid energy systems using wind and PV–solar: a review.2008The paper reviewed the design, operation, and control requirements of standalone wind–solar PV hybrid power systems with conventional backup.The review showed that these renewable systems are not yet cost-competitive with conventional fossil fuel-based systems.[44]A review of hybrid renewable energy systems in mini-grids for off-grid electrification in developing countries.2021It analyzed the levelized cost of energy (LCOE) of different mini-grids and addressed the obstacles that may hinder their implementation.It was noted that, although renewables are currently not cost-competitive with conventional fossil fuel-based systems, the costs of mini-grids will continue to decline and renewables will become more competitive on a commercial scale.[9]Review of optimization techniques for hybrid wind PV–ESS system.2020In this study, the minimization of power losses and energy fluctuations through the use of energy storage systems (ESSs) and optimization techniques was analyzed.It was found that, with the installation of ESSs, power flow through the lines was reduced and grid congestion was alleviated. Deterministic planning was also used to achieve these objectives.[45]A comprehensive review of the integration of battery energy storage systems into distribution networks.2020It aimed to provide an overview of the integration of energy storage systems (BESSs) into distribution networks. The study highlighted points of interest, challenges, and limitations in the research of each of these aspects.The article showed that energy storage systems have the potential to strengthen and improve the power grid in several ways.[46]A comprehensive state-of-the-art survey on hybrid renewable energy system operations and planning.2020This study focused on the specific motivations and benefits of adopting renewable energy systems.It showed that most of the available studies on high-efficiency solar thermal energy focus only on its technical economic and environmental feasibility. In addition, economic and technical aspects were the most prominent criteria used for the selection and ranking of optimal HRESs.[47]A review on recent sizing methodologies of hybrid renewable energy systems.2019This article mainly reviewed the recent classification, evaluation indicators, and sizing methodologies of hybrid renewable energy systems.The results showed that more than 80% of these systems were autonomous, and that large-scale grid-connected hybrid systems can be developed in combination with existing hydropower plants and pumped hydro-storage systems to ensure better power quality and meet electricity supply needs.[8]A survey of battery energy storge system (BESS), applications and environmental impacts in power systems. 2017This article discussed the structure of energy storage systems (BESSs), their large-scale applications in the power grid and the benefits of their implementation in power systems.It emphasized that BESSs allow for increasing the integration of renewable energy sources into the power system, but this requires optimizing the capacity and location of the BESSs according to the specific application.[48]Study of the different structures of hybrid systems in renewable energies: a review.2019The structure and operation of ESSs and their integration into the power grid were described. The advantages of their use, such as demand management, power quality improvement, and CO2 emissions reduction, were also discussed.The paper focused on the optimization of BESSs for use in generation distribution and smart grid applications, and highlighted the need to consider economic, technical, and environmental factors in their design and operation.

Juan Carlos

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