Special Issue: Hybrid renewable energy system design
Guest Editors
Dr. Nicoletta Matera
Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy
Email: materanicoletta@gmail.com
Prof. Domenico Mazzeo
Department of Mechanical, Energy and Management Engineering, University of Calabria, P. Bucci 46/C, Rende, Cosenza, Italy
Email: domenico.mazzeo@unical.it
Manuscript Topics
As a result of climate change and the conflict in Ukraine, the energy sector needs to take a decisive step. Taking action now will have a significant impact on our future and that of the next generation. Growth, development, and environmental well-being are all part of the ecological transition. As a result, research has shifted towards renewable sources due to environmental issues and fossil fuel depletion.
Despite their uncertainty, solar energy and wind energy are particularly suitable for creating reliable PV-wind hybrid renewable energy systems (HRES) due to their complementarity.
Daytime solar radiation dominates during the summer season, and nighttime and wintertime wind speeds compensate for a lack of solar energy. An HRES operates more continuously than a single system because one form of energy partly compensates for the other. For stand-alone systems (not connected to the electrical grid), a storage system can be integrated if both energy sources are deficient, allowing excess energy to be stored by the system. There is also the option of integrating auxiliary energy production systems like diesel generators into the HRES if the renewable sources fail. An energy deficit in a grid-connected (GC) system can be compensated by drawing energy directly from the grid. The energy produced by the system can, however, be transmitted into the grid or stored in a storage system if the production is excessive. There are several types of energy storage systems being developed, such as electrical batteries, hydraulic systems, thermal systems, compressed air systems, and hydrogen storage systems with electrolytic cells and fuel cells. Besides PV and wind power, other energy production technologies can also be integrated, such as hydropower, biomass plants, solar concentrators, and geothermal systems.
Researchers worldwide are invited to address the problem of analysing hybrid renewable systems. For this purpose, the studies are expected to employ technical, economic, environmental, policy or social criteria or a combination of the latter to detect system performance.
The analysis expected in this special issue aim at giving a quantitative measurement of the various information concerning the hybrid systems. In particular, the analysis should aim but are not limited to pursue the following objectives:
• simulations or experiments on hybrid systems in different world climatic conditions;
• investigation of the performance of stand-alone or grid-connected systems;
• analysis in the context of single or mixed uses;
• proposal of new study methodologies or use of specialized software for this purpose;
• parametric and optimization analyses;
• reviews on the topic.
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