Research Papers/Topics in Electrical Electronics Engineering

Optimization of annealing cycles for electric output in outdoor conditions for amorphous silicon photovoltaic–thermal systems

Previous studies with fixed operating temperatures have shown that hydrogenated amorphous silicon (a-Si:H) was a promising absorber layer for solar photovoltaic–thermal (PVT) systems because of (a) a low temperature coefficient and (b) the opportunity to reverse light induced degradation with thermal annealing. This study further refined the simulation of the optimal dispatch strategy for a-Si:H based PVT by studying annealing cycles and analysis of the degradation at other operating temper...

Technical viability of mobile solar photovoltaic systems for indigenous nomadic communities in northern latitudes

This study assesses the viability of photovoltaic (PV) technology in northern latitudes as a part of energy supply system for remote nomadic camps of indigenous communities involved in reindeer husbandry. Two boundary locations were analyzed: southern Yakutia, Russia, 56°41′N; and the northernmost area in Norway, Finnmark, 68°51′N. Sixteen scenarios were simulated based on energy consumption, light sources and electric load schedules. The results show that PV-based systems are beneficia...

High-Efficiency Solar-Powered 3-D Printers for Sustainable Development

The release of the open source 3-D printer known as the RepRap (a self-Replicating Rapid prototyper) resulted in the potential for distributed manufacturing of products for significantly lower costs than conventional manufacturing. This development, coupled with open source-appropriate technology (OSAT), has enabled the opportunity for 3-D printers to be used for sustainable development. In this context, OSAT provides the opportunity to modify and improve the physical designs of their printer...

Desarrollo de un sistema de monitoreo de radiación solar basado en un espectrómetro de amplio espectro y análisis de resultados preliminares.

Se diseñó y construyó un prototipo funcional de un sistema de medición de radiación solar (global y difusa) basado en un espectrómetro de amplio espectro (UVA, VIS y parte del IR cercano) para el monitoreo solar en Cochabamba, Bolivia, conjuntamente con un sistema similar instalado en Ontario, Canadá. Los datos obtenidos en dos regiones con características geográficas muy distintas ayudaran en el estudio y optimización de materiales fotovoltaicos, para su implementación en diferent...

Retraining Investment for U.S. Transition from Coal to Solar Photovoltaic Employment

Although coal remains the largest source of electricity in the U.S., a combination of factors is driving a decrease in profitability and employment in the coal-sector. Meanwhile, the solar photovoltaic (PV) industry is growing rapidly in the U.S. and generating many jobs that represent employment opportunities for laid off coal workers. In order to determine the viability of a smooth transition from coal to PV-related employment, this paper provides an analysis of the cost to retrain current ...

A Review of Technical Requirements for Plug-and-Play Solar Photovoltaic Microinverter Systems in the United States

The average American is highly supportive of solar photovoltaic (PV) technology and has the opportunity to earn a high return of investment from a PV investment for their own home. Unfortunately, the average American does not have easy access to capital/financing to install a PV system able to meet their aggregate annual electric needs. One method to overcome this challenge is to allow 'plug-and-play solar', which is defined as a fully inclusive, commercial, off-the-shelf PV system (normally ...

U.S. Market for Solar Photovoltaic Plug-and-Play Systems

Plug and play solar photovoltaic (PV) systems are affordable, easy to install and portable grid-tied solar electric systems, which can be purchased and installed by an average prosumer (producing consumer). The combination of recent technical/safety analysis and trends in other advanced industrialized nations, indicate that U.S. electrical regulations may allow plug and play solar in the future. Such a shift in regulations could radically alter the current PV market. This study provides an es...

U.S. strategic solar photovoltaic-powered microgrid deployment for enhanced national security

The U.S. electrical grid, the largest and most complex man-made system in the world, is highly vulnerable to three types of external threats: 1) natural disasters, 2) intentional physical attacks, and 3) cyber-attacks. The technical community has recommended hardening the grid to make it more resilient to attack by using distributed generation and microgrids. Solar photovoltaic (PV) systems are an ideal distributed generation technology to provide power for such microgrids. However, both the ...

Design and Implementation of an Automatic Security Lighting for ATBU, Yelwa Campus

Design and Implementation of an Automatic Security Lighting for ATBU, Yelwa Campus Chior David #1, Ifeora Henry #2 and Lisiyas Alfred #3. #1 Department of Electrical & Electronics Engineering, Abubakar Tafawa Balewa University, Bauchi. #2 Department of Systems Engineering, University of Lagos, Lagos. #3 Department of Electrical & Electronics Engineering, Bayero University Kano, Kano.   Abstract— This paper has covered the design of an automatic security light...

3-D Printable Open Source Dual Axis Gimbal System for Optoelectronic Measurements

Simple 3-D printable open source hardware designs have proven to be effective scientific instruments at low costs. Further development in this area is coupling open source electronics with 3-D printable mechanical components to make fully functional distributedly-manufactured mechatronic tools for science. One research area where such low-cost technology is needed is to characterize thin film anti-reflective coatings and transparent conducting oxides (TCOs) for the glass, mirror and solar pho...

DEVELOPMENT OF A FUZZY LOGIC TECHNIQUE FOR BIOGAS GENERATION OF ELECTRICAL ENERGY

AbstractProduction of biogas energy is one of the important technical solutions that contribute to the transformation of energy system from being fossil fuel dependent to renewable energy originated. Thus, comprehensive understanding of biogas energy is necessary in order to develop an accurate and robust model that will predict and control the biogas production. This research paper develops a fuzzy logic controller model for biogas generation of electrical energy. A fuzzy logic alg...

HOW TO BUILD A DRONE FROM SCRATCH

Unmanned aerial vehicles have been around for decades, but they have achieved the greatest popularity in recent years with small commercial drones. The new so-called FPV (first person view) technology gave us a unique experience of flying and the advancement of GPS systems in drones opened a whole new world for passionate individuals. Of course, drones are not the only RC flying devices on the market, but their agile multi-rotors and their capability to take amazing photos and re...

Optimal Under-Frequency Load Curtailment via Continuous Load Control in a Single Area Power System Using Fuzzy Logic, PIDFuzzy and Neuro-Fuzzy (ANFIS) Controllers

Abstract —  In  situations  where maximum  load  demand  exceeds  power  generation  capacity,  frequency  would drop during  cases  of  overload;  and if  appropriate  under-frequency  load curtailment  scheme  is  not  put  in  place,  it  could cause permanent  turbine  damage or  affect  the expected  working  operation  of  electric equipment.  Various  existing works  on load  curtailment  in  power  systems  have been  done to  great  effe...