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Journal articles on the topic 'Hybrid Renewable Energy Systems'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Jung, Tae Yong, Donghun Kim, SeoKyung Lim, and Jongwoo Moon. "Evaluation criteria of independent hybrid energy systems." International Journal of Low-Carbon Technologies 14, no. 4 (August 1, 2019): 493–99. http://dx.doi.org/10.1093/ijlct/ctz036.

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Abstract Based on actual measurement data from a resort in the Maldives, this paper explores the criteria for the optimal off-grid renewable energy systems that contribute to greenhouse gas mitigation and climate adaptation efforts from three perspectives: technical, economic and environmental. Using Hybrid Optimization of Multiple Electric Renewables software, the optimal technical combination of hybrid energy system is determined. Moreover, indicators such as levelized cost of energy and net present cost are considered as economic criteria to determine the financial feasibility of the off-grid renewable energy systems. Finally, CO2 emission level and renewable shares are reviewed from environmental perspective.

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Varetsky, Y., and Z. Hanzelka. "STOCHASTIC MODELLING OF A HYBRID RENEWABLE ENERGY SYSTEM." Tekhnichna Elektrodynamika 2016, no. 2 (March 10, 2016): 58–62. http://dx.doi.org/10.15407/techned2016.02.058.

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Deshmukh, M. K., and S. S. Deshmukh. "Modeling of hybrid renewable energy systems." Renewable and Sustainable Energy Reviews 12, no. 1 (January 2008): 235–49. http://dx.doi.org/10.1016/j.rser.2006.07.011.

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Kgopana, Khuthadzo, and Olawale Popoola. "Improved utilization of hybrid energy for low-income houses based on energy consumption pattern." AIMS Energy 11, no. 1 (2023): 79–109. http://dx.doi.org/10.3934/energy.2023005.

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<abstract> <p>The adoption of solar photovoltaic and small wind turbine hybrid energy systems in residential applications has picked up promising development around the globe. However, the uncertainty of renewable energy generation associated with the reliance on climate conditions is one of the factors which affect the reliability of the system. Therefore, there is a need to develop an energy management scheme for improving the reliability of the system. One of the drawbacks of hybrid renewable energy systems is the high investment cost, particularly looking at low-income family units. This present paper, an extension of the preceding work, focused on the development of an energy utilization scheme of a hybrid energy system particularly for low-income houses based on energy consumption patterns. The utilization scheme is developed using computational methods in a MATLAB environment. Energy storage systems considered in this work are electrochemical batteries and small-scale flywheel energy storage (kinetic energy storage). Utilizing hybrid energy based on consumption patterns has lowered the capacity of the system's components, resulting in a 0.00 investment cost. The flywheel energy storage is prioritized to supply high-wattage loads while the battery is prioritized to supply average loads, resulting in a 33.9% improvement in battery health. This hybrid system contains a high proportion of renewable energy and reduces annual electricity costs by 96.7%. The simulated results on MATLAB software showed an improvement in terms of energy utilization of a hybrid power system. The cost of utilizing energy is reduced by effectively utilizing more renewable energy sources, with a resultant reduction in electricity bills.</p> </abstract>

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Sayed, Enas Taha, Abdul Ghani Olabi, Abdul Hai Alami, Ali Radwan, Ayman Mdallal, Ahmed Rezk, and Mohammad Ali Abdelkareem. "Renewable Energy and Energy Storage Systems." Energies 16, no. 3 (February 1, 2023): 1415. http://dx.doi.org/10.3390/en16031415.

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The use of fossil fuels has contributed to climate change and global warming, which has led to a growing need for renewable and ecologically friendly alternatives to these. It is accepted that renewable energy sources are the ideal option to substitute fossil fuels in the near future. Significant progress has been made to produce renewable energy sources with acceptable prices at a commercial scale, such as solar, wind, and biomass energies. This success has been due to technological advances that can use renewable energy sources effectively at lower prices. More work is needed to maximize the capacity of renewable energy sources with a focus on their dispatchability, where the function of storage is considered crucial. Furthermore, hybrid renewable energy systems are needed with good energy management to balance the various renewable energy sources’ production/consumption/storage. This work covers the progress done in the main renewable energy sources at a commercial scale, including solar, wind, biomass, and hybrid renewable energy sources. Moreover, energy management between the various renewable energy sources and storage systems is discussed. Finally, this work discusses the recent progress in green hydrogen production and fuel cells that could pave the way for commercial usage of renewable energy in a wide range of applications.

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Antonio de Souza Ribeiro, Luiz, Osvaldo Ronald Saavedra, José Gomes de Matos, Shigeaki Leite Lima, Guilherme Bonan, and Alexandre Saccol Martins. "Hybrid renewable energy systems, Solar energy, Standalone micro-grid, wind energy." Eletrônica de Potência 15, no. 4 (November 1, 2010): 313–22. http://dx.doi.org/10.18618/rep.2010.4.313322.

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Bocklisch, Thilo. "Hybrid Energy Storage Systems for Renewable Energy Applications." Energy Procedia 73 (June 2015): 103–11. http://dx.doi.org/10.1016/j.egypro.2015.07.582.

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Sabishchenko, Oleksandr, Rafał Rębilas, Norbert Sczygiol, and Mariusz Urbański. "Ukraine Energy Sector Management Using Hybrid Renewable Energy Systems." Energies 13, no. 7 (April 7, 2020): 1776. http://dx.doi.org/10.3390/en13071776.

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The Ukrainian energy sector is one of the most inflexible energy sectors in the world as a result of the almost complete depreciation of the equipment of the main sources of power supply: nuclear, thermal, and hydropower. In connection with existing problems, there is a need to develop and use new energy-saving technologies based on renewable energy sources. In this proposed research, a regression model of renewable energy growth in the energy sector of Ukraine was developed. The studied literature reveals that the independent use of individual functioning elements of renewable energy sources function as the primary power source that is not an optimal solution for stable energy supply. This study proposes the use of hybrid renewable energy systems, namely a combination of two or more renewable energy sources that will help each other to achieve higher energy efficiency, accelerate the growth of renewable energy in the share of the Ukrainian energy sector and/or improve functioning with battery energy storages. Moreover, the use of hybrid renewable energy systems in Ukraine will reduce the human impact on the environment, realize the potential of local renewable energy resources and also increase the share of electricity generation from renewable energy sources. Therefore, mechanisms for managing state regulation of stimulating the development of hybrid renewable energy systems have been developed.

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Homa, Maksymilian, Anna Pałac, Maciej Żołądek, and Rafał Figaj. "Small-Scale Hybrid and Polygeneration Renewable Energy Systems: Energy Generation and Storage Technologies, Applications, and Analysis Methodology." Energies 15, no. 23 (December 2, 2022): 9152. http://dx.doi.org/10.3390/en15239152.

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The energy sector is nowadays facing new challenges, mainly in the form of a massive shifting towards renewable energy sources as an alternative to fossil fuels and a diffusion of the distributed generation paradigm, which involves the application of small-scale energy generation systems. In this scenario, systems adopting one or more renewable energy sources and capable of producing several forms of energy along with some useful substances, such as fresh water and hydrogen, are a particularly interesting solution. A hybrid polygeneration system based on renewable energy sources can overcome operation problems regarding energy systems where only one energy source is used (solar, wind, biomass) and allows one to use an all-in-one integrated systems in order to match the different loads of a utility. From the point of view of scientific literature, medium- and large-scale systems are the most investigated; nevertheless, more and more attention has also started to be given to small-scale layouts and applications. The growing diffusion of distributed generation applications along with the interest in multipurpose energy systems based on renewables and capable of matching different energy demands create the necessity of developing an overview on the topic of small-scale hybrid and polygeneration systems. Therefore, this paper provides a comprehensive review of the technology, operation, performance, and economical aspects of hybrid and polygeneration renewable energy systems in small-scale applications. In particular, the review presents the technologies used for energy generation from renewables and the ones that may be adopted for energy storage. A significant focus is also given to the adoption of renewable energy sources in hybrid and polygeneration systems, designs/modeling approaches and tools, and main methodologies of assessment. The review shows that investigations on the proposed topic have significant potential for expansion from the point of view of system configuration, hybridization, and applications.

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Stanley, Andrew P. J., Jennifer King, Aaron Barker, Darice Guittet, William Hamilton, Christopher Bay, Paul Fleming, and Michael Sinner. "Multi-Timescale Wind-Based Hybrid Energy Systems." Journal of Physics: Conference Series 2265, no. 4 (May 1, 2022): 042062. http://dx.doi.org/10.1088/1742-6596/2265/4/042062.

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Abstract This paper focuses on the design of wind-based hybrid power plants that operate at different timescales ranging from seconds to days. Traditionally, renewable power plants have been designed to maximize the amount of energy produced. As the energy system transitions to higher amounts of renewables, hybrid power plants may be asked to provide baseload or peaking plant services that have been traditionally been serviced by coal and natural gas power plants. This paper demonstrates that considering these types of plants and their corresponding objects, that operate at different timescales, result in different solutions and should be considered in the design phase of hybrid power plant development.

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Sisodiya, Priyanka, and Dr Anil Kumar Kori. "Review on Power Quality of Hybrid Renewable Energy System." International Journal for Research in Applied Science and Engineering Technology 10, no. 7 (July 31, 2022): 1439–43. http://dx.doi.org/10.22214/ijraset.2022.44874.

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Abstract: It is now essential for power and energy engineers to keep an eye out for sustainable, economical and environmental friendly alternatives to conventional energy sources, such as the sun, wind, geothermal, ocean, and biomass. However, these renewable energy sources are not always available throughout the year, so the hybrid renewable energy systems concept has come. Hybrid renewable energy system is the best choice for power generation. However, In these kind of systems, stability issues may arise. This is a review of the hybrid power system's stability. This paper analyses the stability issue and discusses various controllers that have an impact on the hybrid power system's output power. Stability and power quality are the two main issues with hybrid systems. Numerous fact devices and other techniques are used to improve these issues. The use of hybrid power systems is growing today. The majority of the work is based on using various controllers and controlling techniques to generate the most power possible from a hybrid system while maintaining power quality.

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El Khashab, Hisham, and Mohammed Al Ghamedi. "Hybrid Renewable Energy Systems in Saudi Arabia." Applied Mechanics and Materials 781 (August 2015): 284–87. http://dx.doi.org/10.4028/www.scientific.net/amm.781.284.

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The continuous rise of energy demand worldwide combined with the decrease of natural resources such as fossil fuel represents a huge energy problem which facing humanity. Industry as well as consumers must rethink how to produce energy at low cost price. Renewable Energy (RE) applications and energy savings are keys to meet this challenge in a sustainable way. In the hot and sunny areas of the Arab countries, renewable sources like solar energy can play a role to slove energy problem. According to that the renewable energy sources such as photovoltaic, wind, biomass, etc… have an important role especially when the (high-tech.) new technologies can interfere. This paper investigates RE sources applications at Yanbu, Saudi Arabia, besides a simulation using HOMER software to three proposed systems newly erected in Yanbu Industrial College Renewable Energy (RE) lab. The lab represents a hybrid system, composed of PV, wind turbine, and Fuel cell systems. The cost of energy is compared in the three systems to compare the generated energy cost. This study is to evaluate the actual cost of RE sources in developing countries. The climatic variations at Yanbu that is located on the west coast of Saudi Arabia are considered.

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Shivarama Krishna, K., and K. Sathish Kumar. "A review on hybrid renewable energy systems." Renewable and Sustainable Energy Reviews 52 (December 2015): 907–16. http://dx.doi.org/10.1016/j.rser.2015.07.187.

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Migoni, G., P. Rullo, F. Bergero, and E. Kofman. "Efficient simulation of Hybrid Renewable Energy Systems." International Journal of Hydrogen Energy 41, no. 32 (August 2016): 13934–49. http://dx.doi.org/10.1016/j.ijhydene.2016.06.019.

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Suman, Siddharth. "Hybrid nuclear-renewable energy systems: A review." Journal of Cleaner Production 181 (April 2018): 166–77. http://dx.doi.org/10.1016/j.jclepro.2018.01.262.

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Dr. S. Jeyanthi, Shilaja C,. "MULTI-OBJECTIVE OPTIMIZATION FOR OPTIMAL HYBRID RENEWABLE ENERGY SOURCE SELECTION IN HYBRID RENEWABLE ENERGY SYSTEMS." Psychology and Education Journal 58, no. 1 (January 15, 2021): 4283–88. http://dx.doi.org/10.17762/pae.v58i1.1496.

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Power generation is more important to fulfill power demand throughout the world. Population and their electric power demand are increasing day by day. Achieve the energy demand from end-users, and recent research works have concentrated on designing a hybrid energy system. This paper proposed a multi-objective optimized model of a hybrid renewable energy system for a grid. The optimal model can choose a suitable design model of solar, wind, diesel, and batteries interconnected in the hybrid energy system. Optimization is applied for minimizing the system cost, fuel cost and diminish the fuel emission. It also aimed to improve the reliability of renewable sources. Initially, the problem is defined as a multi-objective problem and solved by a multi-objective evolutionary algorithm. From the simulation results, it is identified that the proposed multi-objective evolutionary algorithm performs better.

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Wijewardana, S. M. "Control Systems in Hybrid Energy Renewable Power Systems: Reviews." Engineer: Journal of the Institution of Engineers, Sri Lanka 47, no. 4 (October 27, 2014): 1. http://dx.doi.org/10.4038/engineer.v47i4.6872.

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Reddy, S. Surender. "Optimization of Renewable Energy Resources in Hybrid Energy Systems." Journal of Green Engineering 7, no. 1 (2017): 43–60. http://dx.doi.org/10.13052/jge1904-4720.7123.

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Prasun, Satyam Kumar, and Sanjeev Jararia. "Study On Hybrid Systems, Grid Integrated Based On Renewable Energy Systems Driving Local Loads." SMART MOVES JOURNAL IJOSCIENCE 5, no. 7 (July 12, 2019): 5. http://dx.doi.org/10.24113/ijoscience.v5i7.212.

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The demand for electricity power is increasing day by day, which cannot be met with the satisfied level without non-renewable energy resource. Renewable energy sources such as wind, solar are universal and ecological. These renewable energy sources are best options to fulfill the world energy demand, but unpredictable due to natural conditions. The use of the hybrid solar and wind renewable energy system like will be the best option forthe utilization these available resources. The objective of this paper is to study the various aspects of hybrid solar and wind system. The application and different theories related to the development of hybrid also discussed in this paper.

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Lee, Seung Jun, and Lae Hyun Kim. "Optimization Process Models of CHP and Renewable Energy Hybrid Systems in CES." Journal of Energy Engineering 26, no. 2 (June 30, 2017): 99–120. http://dx.doi.org/10.5855/energy.2017.26.2.068.

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Suwi, Owdean, and Jackson Justo. "Optimal Energy Management for off-Grid Hybrid Renewable Energy Systems." Tanzania Journal of Engineering and Technology 42, no. 1 (February 28, 2023): 72–78. http://dx.doi.org/10.52339/tjet.v42i1.889.

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A photovoltaic (PV)/wind/battery/Generator-Set hybrid power system's energy dispatch is discussed in this research, along with the ideal solution. The optimization model enables the hybrid power system's generating devices to share power appropriately. The main goals are to minimize fuel consumption and costs and maximize the usage of Renewable Energy Sources (RES). The proposed simulation plan succeeds in lowering fuel costs because the diesel generator only kicks on at night and in the early morning when the energy from RES is insufficient to supply the load. The load is supplied with power, and the battery is charged throughout the day, when the production of electricity from the wind and solar generators is highest. The use of diesel is minimal. However, based on their particular characteristics and the operational limitations of the system, the generating devices effectively share the power needed from the hybrid power system.

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Sood, Karan, and Eswaramoorthy Muthusamy. "A comprehensive review on hybrid renewable energy systems." Modern Physics Letters B 34, no. 27 (July 1, 2020): 2050290. http://dx.doi.org/10.1142/s0217984920502905.

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Hybrid Renewable Energy Systems (HRESs) are noteworthy devices for enhancement of reliability and performance compared to standalone systems, which are in a combination of more than one energy conversion system in a single unit. The recent developments in materials and technologies of HRESs are cost-effective and are more suitable power options for isolated rural areas. Many researchers have reported to have enhanced the performance of HRESs across India. Hence, this paper presents a comprehensive review of various HRESs that have been reported for their performance evaluation with respect to economic distance limit, techno-economic sensitivity, and optimum analysis. Also, different hybrid combinations are compared based on the factor of Net Present Cost (NPC), Cost of Energy (COE), renewable fraction, maximum renewable penetration, operational cost, and/or emission. Some case studies on various combinations of HRES for telecommunication application, rural electrification and water distillation are discussed and compared. It is concluded from the comprehensive review that there is scope for further studies on hybrid system across the country with adoption of different and newer combinations, materials and thermodynamic approaches. This paper will be helpful to researchers and scientists in understanding the state-of-the-art technologies in the hybrid system.

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Kim, Min-Hwi, Deuk-Won Kim, and Dong-Won Lee. "Feasibility of Low Carbon Renewable Energy City Integrated with Hybrid Renewable Energy Systems." Energies 14, no. 21 (November 4, 2021): 7342. http://dx.doi.org/10.3390/en14217342.

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This study evaluated the energy saving potential of renewable energy generation systems based on integrated solar energy in an urban environment. The solar city concept was implemented using photovoltaic (PV) and solar thermal systems. As a case study, the Sejong national pilot smart city in South Korea was selected to evaluate the renewable energy penetration rate. For evaluating the proposed renewable energy systems, the electrical and thermal loads of the smart city were estimated using field measurement data. Then, the renewable energy penetration rate of the city was evaluated. The HomerPro software was used to analyze the PV generation and operating energy consumption of the natural gas (NG) generator with a district heating network. The thermal load-supporting potential of the solar thermal system was estimated using the TRNSYS software. The results showed that the proposed urban integrated renewable energy system could meet over 30% of the renewable energy penetration rate and the levelized cost of energy and total net present cost was 7% lower than the base case system (i.e., NG generator). The proposed system also exhibited 38% less CO2 emissions than the base case system.

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Kallio, Sonja, and Monica Siroux. "Hybrid renewable energy systems based on micro-cogeneration." Energy Reports 8 (April 2022): 762–69. http://dx.doi.org/10.1016/j.egyr.2021.11.158.

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Baba Kyari, Ibrahim, and Jamilu Ya’u Muhammad. "Hybrid Renewable Energy Systems for Electrification: A Review." Science Journal of Circuits, Systems and Signal Processing 8, no. 2 (2019): 32. http://dx.doi.org/10.11648/j.cssp.20190802.11.

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Jaszczur, Marek, Qusay Hassan, and Patryk Palej. "An optimisation of the hybrid renewable energy systems." E3S Web of Conferences 113 (2019): 03022. http://dx.doi.org/10.1051/e3sconf/201911303022.

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In this work, we focus on utilization of hybrid renewable energy system for a residential load based in two different optimisation criteria. The presented system utilises photovoltaic modules wind turbines and batteries as energy storage. The analyses were carried out based on experimental measurements, for the electrical load, local solar radiation, wind speed and other environmental parameters. The optimisation process has been performed based on two aspects economic and ecological. The novelty of this work to find the relationship between two optimisation objectives.

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Eltamaly, Ali M., and Abdullrahman A. Al-Shamma'a. "Optimal configuration for isolated hybrid renewable energy systems." Journal of Renewable and Sustainable Energy 8, no. 4 (July 2016): 045502. http://dx.doi.org/10.1063/1.4960407.

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Bourennani, F., S. Rahnamayan, and G. F. Naterer. "Optimal Design Methods for Hybrid Renewable Energy Systems." International Journal of Green Energy 12, no. 2 (October 8, 2014): 148–59. http://dx.doi.org/10.1080/15435075.2014.888999.

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Bartolucci, Lorenzo, Stefano Cordiner, Vincenzo Mulone, and Joao Luis Rossi. "Hybrid renewable energy systems for household ancillary services." International Journal of Electrical Power & Energy Systems 107 (May 2019): 282–97. http://dx.doi.org/10.1016/j.ijepes.2018.11.021.

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Park, Seunghyun, and Surender Reddy Salkuti. "Optimal Energy Management of Railroad Electrical Systems with Renewable Energy and Energy Storage Systems." Sustainability 11, no. 22 (November 8, 2019): 6293. http://dx.doi.org/10.3390/su11226293.

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The proposed optimal energy management system balances the energy flows among the energy consumption by accelerating trains, energy production from decelerating trains, energy from wind and solar photovoltaic (PV) energy systems, energy storage systems, and the energy exchange with a traditional electrical grid. In this paper, an AC optimal power flow (AC-OPF) problem is formulated by optimizing the total cost of operation of a railroad electrical system. The railroad system considered in this paper is composed of renewable energy resources such as wind and solar PV systems, regenerative braking capabilities, and hybrid energy storage systems. The hybrid energy storage systems include storage batteries and supercapacitors. The uncertainties associated with wind and solar PV powers are handled using probability distribution functions. The proposed optimization problem is solved using the differential evolution algorithm (DEA). The simulation results show the suitability and effectiveness of proposed approach.

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G, ASOKAN, and DR AMIT JAIN. "Hybrid Renewal Energy Systems for Rural Sustainable House Buildings." SIJ Transactions on Industrial, Financial & Business Management 8, no. 1 (February 28, 2020): 07–10. http://dx.doi.org/10.9756/sijifbm/v8i1/ifbm20003.

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Olatomiwa, Lanre, Saad Mekhilef, M. S. Ismail, and M. Moghavvemi. "Energy management strategies in hybrid renewable energy systems: A review." Renewable and Sustainable Energy Reviews 62 (September 2016): 821–35. http://dx.doi.org/10.1016/j.rser.2016.05.040.

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Khosravani, Ali, Elaheh Safaei, Michael Reynolds, Kerry E. Kelly, and Kody M. Powell. "Challenges of reaching high renewable fractions in hybrid renewable energy systems." Energy Reports 9 (December 2023): 1000–1017. http://dx.doi.org/10.1016/j.egyr.2022.12.038.

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Kallio, Sonja, and Monica Siroux. "A Review – Renewable energy based micro-cogeneration and hybrid energy systems." E3S Web of Conferences 294 (2021): 01004. http://dx.doi.org/10.1051/e3sconf/202129401004.

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To reduce carbon and greenhouse gas emissions, the more efficient and environmentally friendly energy production in the building sector is required. The deployment of renewable energy based microcogeneration units in the decentralized hybrid energy systems is a part of the solution. The micro combined heat and power (micro-CHP), or co-generation, units produce simultaneously heat and electricity from a single fuel source at high efficiency and close to the consumption point. These units offer significant benefits: reduced primary energy consumption, reduced CO2 emissions, and avoidance of distribution losses due to central plant and network construction. The objective of this paper is to present a review of available renewable energy based micro-CHP systems and to focus on the biomass and solar based conversion devices. Finally, a novel hybrid renewable energy system is presented by coupling renewable energy sources, such as solar and biomass for micro-CHP.

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Liu, Lei, Takeyoshi Kato, Paras Mandal, Alexey Mikhaylov, Ashraf M. Hemeida, Hiroshi Takahashi, and Tomonobu Senjyu. "Two cases studies of Model Predictive Control approach for hybrid Renewable Energy Systems." AIMS Energy 9, no. 6 (2021): 1241–59. http://dx.doi.org/10.3934/energy.2021057.

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<abstract><p>This work presents a load frequency control scheme in Renewable Energy Sources(RESs) power system by applying Model Predictive Control(MPC). The MPC is designed depending on the first model parameter and then investigate its performance on the second model to confirm its robustness and effectiveness over a wide range of operating conditions. The first model is 100% RESs system with Photovoltaic generation(PV), wind generation(WG), fuel cell, seawater electrolyzer, and storage battery. From the simulation results of the first case, it shows the control scheme is efficiency. And base on the good results of the first case study, to propose a second case using a 10-bus power system of Okinawa island, Japan, to verify the efficiency of proposed MPC control scheme again. In addition, in the second case, there also applied storage devices, demand-response technique and RESs output control to compensate the system frequency balance. Last, there have a detailed results analysis to compare the two cases simulation results, and then to Prospects for future research. All the simulations of this work are performed in Matlab®/Simulink®.</p></abstract>

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Gajewski, Piotr, and Krzysztof Pieńkowski. "Control of the Hybrid Renewable Energy System with Wind Turbine, Photovoltaic Panels and Battery Energy Storage." Energies 14, no. 6 (March 13, 2021): 1595. http://dx.doi.org/10.3390/en14061595.

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The aim of the paper is the study of the Hybrid Renewable Energy System, which is consisted of two types of renewable energy systems (wind and sun) and is combined with storage energy system (battery). The paper presents the classification and review of architectures of Hybrid Renewable Energy Systems. The considered Hybrid Renewable Energy System was designed as a multi-converter system with gearless Wind Turbine driven Permanent Magnet Synchronous Generator and with a Photovoltaic Array and Battery Energy System. The mathematical models of individual elements of a complex Hybrid Renewable Energy System were described. In the control of both systems of Wind Turbine with Permanent Magnet Synchronous Generator and Photovoltaic array, the algorithms of Maximum Power Point Tracking have been implemented for higher efficiency of energy conversion. The energy storage in the battery has been managed by the control system of a bidirectional DC/DC converter. For the control of the Machine Side Converter and Wind Turbine with Permanent Magnet Synchronous Generator, the vector control method has been implemented. In the control system of the Grid Side Converter, the advanced method of Direct Power Control has been applied. The energy management strategies for optimal flows of electrical energy between individual systems of considered hybrid renewable energy system are developed and described. In order to determine the operation of proposed control systems, the simulation studies have been performed for different conditions of operation of individual elements of the complex hybrid system. The considered control methods and energy management strategies were tested thorough simulation studies for different wind speed variations, different sun irradiations, and different local load demands. The performed simulations are of practical importance in terms of proper operation requirements, design selection of components and energy management of Hybrid Renewable Energy Systems.

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Kallio, Sonja, and Monica Siroux. "Exergy and Exergy-Economic Approach to Evaluate Hybrid Renewable Energy Systems in Buildings." Energies 16, no. 3 (January 17, 2023): 1029. http://dx.doi.org/10.3390/en16031029.

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Hybrid renewable energy systems (HRES) combine two or more renewable energy systems and are an interesting solution for decentralized renewable energy generation. The exergy and exergo-economic approach have proven to be useful methods to analyze hybrid renewable energy systems. The aim of this paper is to present a review of exergy and exergy-economic approaches to evaluate hybrid renewable energy systems in buildings. In the first part of the paper, the methodology of the exergy and exergo-economic analysis is introduced as well as the main performance indicators. The influence of the reference environment is analyzed, and results show that the selection of the reference environment has a high impact on the results of the exergy analysis. In the last part of the paper, different literature studies based on exergy and exergo-economic analysis applied to the photovoltaic-thermal collectors, fuel-fired micro-cogeneration systems and hybrid renewable energy systems are reviewed. It is shown that the dynamic exergy analysis is the best way to evaluate hybrid renewable energy systems if they are operating under a dynamic environment caused by climatic conditions and/or energy demand.

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Mekontso, C., Abdulkarim Abubakar, S. Madugu, O. Ibrahim, and Y. A. Adediran. "Review of Optimization Techniques for Sizing Renewable Energy Systems." Computer Engineering and Applications Journal 8, no. 1 (February 1, 2019): 13–30. http://dx.doi.org/10.18495/comengapp.v8i1.285.

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The growing evidence of the global warning phenomena and the rapid depletion of fossil fuels have drawn the world attention to the exploitation of renewable energy sources (RES). However standalone RES have been proven to be very expensive and unreliable in nature owing to the stochastic nature of the energy sources. Hybrid energy system is an excellent solution for electrification of areas where the grid extension is difficult and not economical. One of the main attribute of hybridising is to be able to optimally size each RES including storages with the aim of minimizing operation costs while efficiently and reliably responding to load demand. Hybrid RES emerges as a trend born out of the need to fully utilize and solve problems associated with the reliability of RES. This paper present a review of techniques used in recent optimal sizing of hybrid RES. It discusses several methodologies and criteria for optimization of hybrid RES. The recent trend in optimization in the field of hybrid RES shows that bio-inspired techniques may provide good optimization of system without extensive long weather data.

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Dragomir, Florin, and Otilia Elena Dragomir. "Improvement of Energy Consume from Hybrid Systems Integrating Renewable Energy Sources." Advanced Materials Research 512-515 (May 2012): 1147–50. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.1147.

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This article proposes a solution for smart grid technologies using renewable energy and has as main result the optimisation of energy generation and consum in a power system with distributed power generation from renewable resources, by designing and implementation an system platform for monitoring and transmission the message (phone via SMS) by consumers. This application make available to consumers real-time information about energy, giving them the opportunity to make smart choices, allowing them to reduce their monthly bills and carbon emissions, reducing also the demand during peak periods and allows a more efficient use of renewable energy resources.

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Fohoue-Tchendjou, Kennedy, Vivient Corneille Kamla, and Laurent Bitjoka. "Management of Hybrid Renewable Energy Systems Using Differential Hybrid Petri Nets." Technium: Romanian Journal of Applied Sciences and Technology 2, no. 7 (September 25, 2020): 64–76. http://dx.doi.org/10.47577/technium.v2i7.1616.

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Investigations in this paper concern management of Hybrid Renewable Energy systems. To achieve it, a supervisory system based on hybrid systems concept is designed, in order to ensure power flow between energy generators (solar panel and pico-hydroelectric), batteries and load. Differential Hybrid Petri Net is used to model the proposed supervisory and simulations are made in Matlab environment.Results obtained present a good performance criteria Loss of Power Supply Probability, and this show the effectiveness of our approach in the coordination of HREs components during the energy sharing process by reducing load shedding in microgrid system.

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Ma, Chao-Tsung, and Chin-Lung Hsieh. "Investigation on Hybrid Energy Storage Systems and Their Application in Green Energy Systems." Electronics 9, no. 11 (November 13, 2020): 1907. http://dx.doi.org/10.3390/electronics9111907.

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Power systems all over the world have been under development towards microgrids integrated with renewable energy-based distributed generation. Due to the intrinsic nature of output power fluctuations in renewable energy-based power generation, the use of proper energy storage systems and integrated real-time power and energy control schemes is an important basis of sustainable development of renewable energy-based distributed systems and microgrids. The aim of this paper is to investigate the characteristics and application features of an integrated compound energy storage system via simulation and a small-scale hardware system implementation. This paper first discusses the main components, working principles and operating modes of the proposed compound energy storage system. Then, a detailed design example composed of supercapacitors, batteries, and various controllers used in two typical application scenarios, peak demand shaving and power generation smoothing, of a grid-connected microgrid is systematically presented. Finally, an experimental setup with proper power converters and control schemes are implemented for the verification of the proposed control scheme. Both simulation and implementation results prove that the proposed scheme can effectively realize desired control objectives with the proposed coordinated control of the two energy storage devices.

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Bayu, Endeshaw Solomon, Baseem Khan, Issaias Gidey Hagos, Om Prakash Mahela, and Josep M. Guerrero. "Feasibility Analysis and Development of Stand-Alone Hybrid Power Generation System for Remote Areas: A Case Study of Ethiopian Rural Area." Wind 2, no. 1 (February 7, 2022): 68–86. http://dx.doi.org/10.3390/wind2010005.

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This paper proposed a standalone solar/wind/micro-hydro hybrid power generation system to electrify Ethiopian remote areas that are far from the national utility grid. The aim is that it will lead to the development of renewable energy sources, using a hybrid optimization model for energy renewables (HOMER) as an optimization and sensitivity tool and MATLAB as a design tool. The system uses 100% renewable energy. This system incorporated solar photo-voltaic (PV), wind turbines, micro-hydro systems, and battery systems. The net present cost of the system is $4,377,731, incorporating capital depreciation and levelized operation and maintenance costs. During the hybrid energy system’s lifetime, the cost of a grid extension power supply is $22.185 million, which is nearly $17,808,000 more than the cost of the proposed standalone system. So, developing solar/wind/micro-hydro hybrid power generation will save $17,808,000 versus extending the national utility grid. As a result of a thorough examination of renewable energy resources, standalone solar, wind, and micro-hydro hybrid power generation is a technically and economically viable option for the case study area of Maji town.

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Bartolucci, Lorenzo, Stefano Cordiner, Vincenzo Mulone, and Marina Santarelli. "Ancillary Services Provided by Hybrid Residential Renewable Energy Systems through Thermal and Electrochemical Storage Systems." Energies 12, no. 12 (June 24, 2019): 2429. http://dx.doi.org/10.3390/en12122429.

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Energy Management System (EMS) optimal strategies have shown great potential to match the fluctuating energy production from renewables with an electric demand profile, which opens the way to a deeper penetration of renewable energy sources (RES) into the electric system. At a single building level, however, handling of different energy sources to fulfill both thermal and electric requirements is still a challenging task. The present work describes the potential of an EMS based on Model Predictive Control (MPC) strategies to both maximize the RES exploitation and serve as an ancillary service for the grid when a Heat Pump (HP) coupled with a Thermal Energy Storage (TES) is used in a residential Hybrid Renewable Energy System (HRES). Cost savings up to 30% as well as a reduction of the purchased energy unbalance with the grid (about 15%–20% depending on the season) have been achieved. Moreover, the thermal energy storage leads to a more efficient and reliable use of the Heat Pump by generally decreasing the load factor smoothing the power output. The proposed control strategy allows to have a more stable room temperature, with evident benefits also in terms of thermal comfort.

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Ismaila, Zubairu, Olugbenga A. Falode, Chukwuemeka J. Diji, Omolayo M. Ikumapayi, Adetokunbo A. Awonusi, Sunday A. Afolalu, and Esther T. Akinlabi. "A global overview of renewable energy strategies." AIMS Energy 10, no. 4 (2022): 718–75. http://dx.doi.org/10.3934/energy.2022034.

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<abstract> <p>Population expansion and increased industrialization are driving up global energy demand. Similarly, the most populous African country, Nigeria generates and transmits electricity far less than is required to meet her basic residential and industrial demands. Alternative means such as fossil fuel-powered generators to complement these demands are still not sufficient to meet these demands with notice to their limitation such as high lifecycle cost and carbon dioxide emission. Renewable energy resources are suitable substitutes for existing electricity sources to fulfil growing demand. Extensively in this paper, a review on the research progress of Hybrid Renewable Energy Systems (HRESs) and Integrated Renewable Energy Systems (IRESs) in the different continents of the world was presented considering methodologies, approaches, and parameters such as technical, economic, and emission limitation in determining the optimal renewable energy system in their present locality. According to the study's findings, about 63% and 22% of the research were conducted in Asia and Africa respectively, from which the research is mostly conducted in rural and remote areas of these continents.</p> </abstract>

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Recioui, Abdelmadjid, Narimene Benaissa, and Fatma Zohra Dekhandji. "Hybrid Renewable Energy System Optimization using iHOGA." Algerian Journal of Signals and Systems 7, no. 3 (September 30, 2022): 99–108. http://dx.doi.org/10.51485/ajss.v7i3.167.

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Electrical energy is considered to be the heart of modern civilization. Traditional electricalenergy generation approaches which usually rely on oil and its derivatives, produce different kinds of pollution in addition to being expensive to implement and maintain. And most important, they are exhaustible on the long run. The sun is an unlimited source of energy for humanity around the world and a competitive energy with strong potential. The solar systems technology offers a promising method for the large scale use of solar energy in the southern zone of Algeria. The magnitude of solar radiation is the most important parameter for sizing these systems. This study presents a techno-economic feasibility evaluation for an installation of a stand-alone PV system which covers the electric demand of 20 houses in the province of Tindouf located in the South-West of Algeria. The aim is to select the appropriate components and see the results of the simulation using the hybrid simulator iHOGA, which include the total cost, CO2 emissions and their impact on the environment.

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Etim, Nyong-Bassey Bassey. "Critical Investigation of Sizing Methods for Renewable Energy Systems Microgrid." East African Journal of Engineering 5, no. 1 (May 3, 2022): 102–12. http://dx.doi.org/10.37284/eaje.5.1.647.

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In this work, relevant literature with regards to sizing and designing renewable energy systems microgrid have been analysed and discussed. These sizing methods were found to have been categorised mainly as intuitive, numerical, artificial intelligence, and hybrid methods. However, from preliminary investigation performed via simulation in MATLAB, using three simple numerical sizing methods from existing literature, justified the validity for the inclusion of an active energy management strategy to enhance the reliability of hybrid energy storage systems while limiting the use of non-renewable sources. In conclusion, the sizing of hybrid energy storage systems’ assets alone was shown to be inadequate to cater for uncertainty and intermittent renewable energy sources, an underpinning element in the design of reliable microgrid

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Maican, E., V. Vlădut, C. Vîlcu, C. Sorică, M. Dorian, D. P. Mirea, and R. Bogăţeanu. "HYBRID RENEWABLE ENERGY SYSTEMS FOR ISOLATED FARMS. A REVIEW." INMATEH Agricultural Engineering 59, no. 3 (December 31, 2019): 77–92. http://dx.doi.org/10.35633/inmateh-59-09.

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Pravin, PS, Zhiyao Luo, Lanyu Li, and Xiaonan Wang. "Learning-based scheduling of industrial hybrid renewable energy systems." Computers & Chemical Engineering 159 (March 2022): 107665. http://dx.doi.org/10.1016/j.compchemeng.2022.107665.

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Giahi, Ramin, Cameron A. MacKenzie, and Chao Hu. "Optimizing the flexible design of hybrid renewable energy systems." Engineering Economist 67, no. 1 (January 2, 2022): 25–51. http://dx.doi.org/10.1080/0013791x.2022.2028047.

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Sharma, Reena, Hariprasad Kodamana, and Manojkumar Ramteke. "Multi-objective dynamic optimization of hybrid renewable energy systems." Chemical Engineering and Processing - Process Intensification 170 (January 2022): 108663. http://dx.doi.org/10.1016/j.cep.2021.108663.

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