Assessment of the energy efficiency of a hybrid wind-photovoltaic system for Cascavel, PR
Section snippets
Overview
Far beyond offering dignity and important improvements in the quality of regional life, the supply of electricity to isolated communities also enables their socio-economic development, through the promotion of citizenship and social justice. However, factors such as lack of political interest, low demand, long distances, and technical constraints, place these communities on the margins of society, and they are not included in the electric power supply service.
In remote areas, where conventional
Electricity in Brazil
From an energetic point of view, Brazil is a privileged country because of its topography, hydrography, and tropical climate that allow the use of several renewable energy sources, such as water, biomass, wind, and solar [1].
The Brazilian Electric Power Matrix is highly dependent on the hydroelectric source, which is also subject to scarcity, despite being a renewable source. If that happened, it would compromise the country's energy supply [2]. It is one of the most renewable matrices on the
Material and Methods
The study was developed at the Assis Gurgacz School of Engineering (FAG) (Figure 1), located in the municipality of Cascavel, Paraná, with a geographical location defined by coordinates 24°57’ South (S) Latitude and 53°27’ West (W) Longitude and average altitude of 781 meters above sea level.
The Davis Instruments Micrometeorological station, composed of the Vantage PRO2 6162 Integrated Sensor Set (ISS) (Figure 2) was used to measure the meteorological and data acquisition variables of the
Results and Discussion
The mean daily wind speed (ms-1) values are represented in Figure 8. It can be observed that the highest daily average wind speed occurred on the 25th day, and the lowest average occurred on the 12th day. The period considered presented a large amplitude in the measures analyzed.
Figure 9 shows the values of the frequency of wind occurrence during the period observed. It is verified that the highest percentage of occurrence is about 4.0 m.s-1.
Figure 10 shows the available daily wind energy and
Conclusions
The conclusions presented in the evaluation of this experiment are conditioned to the execution of the experiment, being a reflection of the obtained results. The average wind velocity, wind energy available and wind energy produced by the wind turbine depended on the day and time of occurrence and for the period considered the average wind speed was 2.5 m.s-1.
The influence of the external temperature and atmospheric pressure, with averages of 290.3 K and 759.5 mmHg, respectively, were
Declaration of interests
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
☐The authors declare the following financial interests/personal relationships which may be considered as potential competing interests:
CRediT authorship contribution statement
Gilson Debastiani: Conceptualization, Methodology, Formal analysis, Writing - review & editing, Supervision, Conceptualization, Methodology, Formal analysis, Writing - review & editing, Supervision, Methodology. Jeferson Manenti Acorci: Methodology, Methodology, Formal analysis, Writing - review & editing.
Declaration of competing interest
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Acknowledgements
The authors are grateful to the Post-Graduation Program of Energy Engineering in Agriculture (PPGEA), from the State University of Western Paraná (UNIOESTE).
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