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All Journal International Journal of Education, Science, Technology, and Engineering (IJESTE) Journal of Engineering, Technology, and Applied Science (JETAS)
Okafor, Wisdom
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics

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Journal : Journal of Engineering, Technology, and Applied Science (JETAS)

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Modeling and Implementation of a Hybrid Solar-Wind Renewable Energy System for Constant Power Supply Mubeezi, Conceptar; Umaru, Kalyankolo; Eze, Val Hyginus Udoka; Jim, Migisha; Asikuru, Salama; Musa, Nassaga; Ochima, Noah; Okafor, Wisdom
Journal of Engineering, Technology, and Applied Science (JETAS) Vol 6 No 2: August 2024
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.jetas-0602.655

Abstract

In recent years, Uganda has significantly increased the use of renewable energy sources, particularly solar and wind power. These energy sources are especially crucial in rural and remote areas where connecting to the national grid is challenging. Renewable Energy Sources (RES) have proven to be cost-effective alternatives to traditional energy sources, which often require substantial investments in transmission and distribution networks. This study focuses on designing and implementing a hybrid renewable energy system that integrates both solar and wind power. The research successfully established a reliable and continuous power supply for the community through the combination of wind and solar energy. The hybrid power generation system operates by simultaneously monitoring solar and wind energy using an ACS712 current and voltage sensor. Controlled by a microcontroller, the system employs dual-channel relay switches to activate the power source with sufficient energy to charge the battery. The programming for this system was conducted using C++ and Arduino software. This study highlights the vast potential within the field of sustainable energy. With rapid and economical electricity production, this hybrid system paves the way toward a greener future, where our energy needs can be met in an environmentally friendly manner.
Factors Influencing the Efficiency of Solar Energy Systems Eze, Val Hyginus Udoka; Richard, Kiiza; John Ukagwu, Kelechi; Okafor, Wisdom
Journal of Engineering, Technology, and Applied Science (JETAS) Vol 6 No 3: December 2024
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.jetas-0603.748

Abstract

The efficiency of solar panels is significantly influenced by temperature and irradiance, which are crucial in solar energy conversion. As temperatures rise, solar panel efficiency typically decreases due to increased electrical resistance, resulting in lower output voltage and power production. This efficiency loss is quantified by the temperature coefficient, indicating the drop per degree Celsius above 25°C. Advanced cooling systems and optimal thermal management can mitigate these effects. Irradiance, the sunlight intensity reaching the panels, directly affects electricity generation. While higher irradiance increases efficiency by providing more photons for conversion, it can also raise temperatures, negatively impacting performance. Solar panels achieve maximum efficiency under optimal irradiance and moderate temperatures, typically 1000 W/m² at 25°C. Variations in irradiance due to geographical location, time of day, and weather conditions cause fluctuations in power output. Efficient system design must consider local irradiance patterns and utilize tracking systems to maintain optimal panel orientation. To optimize efficiency, innovative methods such as advanced materials, cooling techniques, and smart tracking systems are employed. Additionally, integrating energy storage solutions and predictive analytics helps manage environmental impacts. Proper design, installation, and maintenance strategies are crucial for maximizing solar panel efficiency and lifespan under varying conditions. Understanding the interplay between temperature and irradiance is essential for advancing solar energy technologies, and enhancing their reliability and effectiveness in diverse environments.
Co-Authors Asikuru, Salama Eze, Val Hyginus Udoka Jim, Migisha John Ukagwu, Kelechi Mubeezi, Conceptar Musa, Nassaga Nakitto, Immaculate Sarah Ochima, Noah Oonyu, Robert Oparaocha, Favour Uzoma Richard, Kiiza Tamball, John S. Umaru, Kalyankolo