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https://hdl.handle.net/10316/105933
Title: | Design and Modeling of a Standalone DC-Microgrid for Off-Grid Schools in Rural Areas of Developing Countries | Authors: | Aemro, Yohannes Biru Moura, Pedro Almeida, Aníbal T. de |
Keywords: | energy access; DC microgrid; solar photovoltaic (PV); battery storage system; off-grid effcient appliances; school energy; UN2030 agenda for sustainable development | Issue Date: | 2020 | Publisher: | MDPI | Serial title, monograph or event: | Energies | Volume: | 13 | Issue: | 23 | Abstract: | Energy access is critical for health, education and social welfare improvements. In countries like Ethiopia, with a low electrification rate and with the majority of the population located in rural areas, about 76% of primary schools do not have access to electricity. This limits the hours of classes and does not allow the use of basic or modern teaching resources. O -grid solutions have emerged as potential cost-e ective alternatives to electrify rural areas and schools, but the availability of o -grid appliances and the size of the system can lead to di erent solutions. Therefore, this study proposes a DC microgrid system to supply the electricity demand of a rural school located in Ethiopia, considering load estimation scenarios with standard and high-e ciency appliances. The simulation results show that the designed DC microgrid is a valid option to electrify the rural school under each load and generation scenarios. The system costs were also evaluated, and the high-e ciency appliances option has a 51% lower cost. The study also applies to other sub-Saharan countries in the region with very low energy access rates and abundant solar energy, thus giving a large contribution to achieve the United Nations Sustainable Development Education Goal 4 (SDG 4). | URI: | https://hdl.handle.net/10316/105933 | ISSN: | 1996-1073 | DOI: | 10.3390/en13236379 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais I&D ISR - Artigos em Revistas Internacionais |
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