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46 articles for “Solar Activity (SA)”
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A Study of Total Electron Content Variations Over Abuja (Nigeria) using the GNSS
Abstract: Effects of space weather are usually related to disturbances in the ionosphere such as change in total electron content (TEC), which is an important descriptive quantity for the ionosphere of the earth. This has an important effect on the Global Navigation Satellite System (GNSS) as it causes delay in range measurements. The knowledge of this TEC change is therefore very significant to various GNSS users. This work presents the variation …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 4, Issue 3, 2015 · pp. 1–6 Read article
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Green Tech Innovation: Arduino Based Solar Powered Air Purifier for Cleaner Living
Abstract: When dangerous or excessive amounts of pollutants, including gases, particles, and biological substances, get released into the Earth's atmosphere, air pollution results from both human activities and biological processes. As we know, air pollution in our environment is increasing more rapidly due to urbanization. It can lead to serious health issues, infections, allergies, and even human mortality. It not only harms human beings, but it also harms other living organisms, …
Published in Journal of VLSI Design Tools and Technology · Vol. 13, Issue 1, 2023 · pp. 60–65 Read article
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Simulation Results of Harmonic Compensation by Using PQ Based PI Controller for Grid Connected Current Controlled DG Unit
Abstract: With the development of new technologies and electronic devices, one of the main topics of special concern is the aspect of power quality, amongst which control and prediction of harmonics are of utmost importance. The presence of harmonics caused by nonlinear loads which are common in industrial plants and large scale office buildings means a threat to the sensitive equipments like that of computers, adjustable speed drives, power electronics load …
Published in Trends in Electrical Engineering · Vol. 6, Issue 2, 2016 · pp. 64–72 Read article
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Design of Lead-Free Perovskite (CH3NH3SnX3, X=I) Solar Cell using SCAPS-1D
Abstract: Research on renewable energy conversion technology has accelerated due to the world's growing energy needs. Researchers from all over the world are interested in lead-based perovskite materials. These cells are being developed as a substitute for conventional solar cells (SCs) because they have the potential to increase solar energy conversion efficiency. Lead's advantageous electrical and optical characteristics make it a viable option for photovoltaic and optoelectronic applications. Lead's limited material …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 1, 2025 · pp. 37–43 Read article
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A Review on Load Sharing Control between Wind Energy & Diesel Generator
Abstract: The foundation of any research work is the literature survey. This is based upon the study and field work done by researches. A number of research papers have been published that explains different control strategies for load sharing between two systems. The present survey is about the load sharing between wind turbine system and diesel generator. In this paper, a review of wind- diesel load sharing algorithm was added to …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 2, 2021 · pp. 47–59 Read article
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Study on Thermal and Electrical Performance of Pani Doped Graphene Composites under Solar Light Irradiation
Abstract: Here in the research work focusses on the study of thermal and electrical performance of PANI doped graphene composites fabricated by chemical way. A sequence of conducting polymer oxidative method done using the polymerization of aniline in the presence of graphene was deliberate under solar light irradiation. The composites were inspected and characterized using spectroscopy and microscopy studies. The thermal/ electrical performance of PANI and PANI doped graphene were evaluated …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1134–1146 Read article
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H2O and Sunlight as an Alternative to Petroleum Fuels; Pros and Cons
Abstract: The increased requirements of energy and the increased rate of pollution have forced us to find an alternative to petroleum fuels. The tremendous research on nonmaterials has opened new opportunities for the utilization of renewable energy. Semiconductor nanotechnologies are contributing towards their applications in hydrogen fuel production by splitting water by using solar energy. This review report gives the introduction to water-splitting, electrolysis of water, photosynthesis, photocatalytic water-splitting, photoelectrochemical water-splitting, …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 13, Issue 1, 2022 · pp. 29–36 Read article
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Emerging Photochemical Techniques in Green Chemistry
Abstract: Creating environmentally friendly and sustainable chemical processes is one of the main objectives of green chemistry. A viable strategy for accomplishing this goal is the use of light to trigger chemical reactions in emerging photochemical techniques. An overview of current developments in photochemical techniques that support green chemistry is given in this abstract. Key innovations include the use of visible light photocatalysis, which offers a sustainable alternative to traditional high-energy …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 2, 2023 · pp. 39–45 Read article
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Environmental Aspects of Sustainable Development
Abstract: The utilization of sustainable energy sources is expanding globally. Photovoltaic (PV) energy systems have received the most attention during the past ten years out of all the sustainable energy sources. The solar industry adopts a proactive lifespan analysis in order to retain these benefits and prevent further environmental impact. Compared to alternative energy generation technologies, PV technology is clearly more environmentally friendly. Solar cell decommissioning at the end of the …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 1, 2023 · pp. 23–28 Read article
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Border Security Alert for Soldiers
Abstract: Secure a nation by protecting its people and the country’s borders. Soldiers guarding remote and hostile areas of the border experience very difficult situations when confronted with the possibility of arms and/or people crossing the border without permission and environmental conditions or obstacles that can impede communication. The proposed project titled, “Border Security Alert for Soldiers”, is an attempt to assist soldiers in their border surveillance efforts by using an …
Published in Journal of Microcontroller Engineering and Applications · Vol. 13, Issue 2, 2026 · pp. 24–31 Read article
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Experimental and Simulated Analysis of Hybrid Auxiliary Energy Storage System for Electric Vehicles
Abstract: Electric mobility contributing to greater extent to balance the energy and power demands, energy storage unitsas well as environment safety for current automobile sector. Electric vehicle has major efficient features of zerocombustion, longer charging and discharging cycle which plays a vital role to replace the ongoing increase in price ofpetroleum fuels and its harmful effect son environment with their degrading store. Many non-conventional energysources like solar, tidal, wind etc. Can …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 1, 2023 · pp. 23–40 Read article
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Animal Intrusion Prevent System: Using YoloV8 and Raspberry Pi
Abstract: The Animal Intrusion Prevention System employs advanced YOLOv8 object detection technology to address human-wildlife conflicts, a growing concern due to human encroachment into natural habitats. Featuring a Raspberry Pi mounted on a rotating head for 360-degree surveillance, the system accurately identifies animals such as monkeys, elephants, and wild boars in real time. Upon detection, it activates non-invasive light and sound deterrents to prevent wildlife intrusions, ensuring minimal harm to animals. …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 11, Issue 3, 2024 · pp. 103–112 Read article
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A Real Time Analysis Of Wireless Power Transfer Coil Design For Electric Vehicle
Abstract: Wireless Power Transmission is a process that uses a vacuum or an atmosphere to transmit electrical energy. It is commonly used in the medical, industrial, and transportation sectors. However, its reliability and quality are often affected by the range and efficiency of the transmission. Electric Vehicles (EVs) have the potential to achieve better efficiency and lower emissions than internal combustion engines. However, their limited range makes them a major barrier …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 2, 2022 · pp. 19–24 Read article
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Synthesis and Characterization of TiO2 1% SiO2 of Crystal and its Bacterial Applications
Abstract: Three-dimensional (3D) TiO2 Anatase and Rutile structures have attracted much attention due to their optical properties. However, the large band gap of (3.2 eV) results in the fact that anatase TiO2 can act as photo catalyst and be excited by UV light, which only accounts for 3–5% of the solar energy. On considering that nobel metallatic nanomaterials can harvest visible light, in this paper, TiO2 and SiO2 nanocrystals with rod …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 47–58 Read article
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Different Types of Control Grid in Solar System
Abstract: This paper gives a concise prologue to photovoltaic (PV) systems, with an emphasis on those that interface with the current electrical grid. The solar modules, intersection box, on-grid inverter, principal board, AC separate, net meter, and electrical grid are only a portion of the parts examined. It represents the qualities of the numerous assortments of solar cells utilized in PV transformation, including monocrystalline, polycrystalline, and undefined silicon cells, and their …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 2, 2024 · pp. 1–7 Read article
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Analysis of Power Quality Disturbances in Distribution Systems with Renewable Energy Integration
Abstract: The growing integration of renewable energy sources within the electrical distribution systems has greatly altered the working dynamics of the contemporary power grids. The introduction of intermittent and nonlinear sources (solar photovoltaic and wind energy systems) leads to a wide range of power quality disturbances, however. The current paper includes the in-depth examination of the problem of power quality in the distribution systems with the integration of renewable energy. The …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 Read article
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Power Generation using Photovoltaic System with MATLAB Simulink
Abstract: The issues of decreasing natural resources, the ensuing environmental repercussions, and the increasing demand for new energy resources have been actively investigated in recent years [13], partly because energy resources and their use will be a key concern of this century.Over the past ten years, grid-connected photovoltaic (PV) power systems have experienced phenomenal growth. Growing public awareness of climate change, tax advantages and rebates, and the falling cost of solar …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 36–42 Read article
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Load Sharing control Between Wind Energy & Diesel Generator
Abstract: AbstractThe disturbed expansion in energy request has represented a significant issue for the power frameworks security and dependability, and henceforth has happened to central issue. The weaknesses of ordinary wellspring of energy have cleared way for environmentally friendly power sources. The impact of the breeze turbine in the lattice framework concerning the power quality estimations are-the dynamic power, receptive power, variety of voltage, glint, sounds, and electrical conduct of exchanging …
Published in Recent Trends in Fluid Mechanics · Vol. 8, Issue 2, 2021 · pp. 37–47 Read article
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AI-Based Discovery of High-Performance Energy Storage Polymer Composites: A Comprehensive Review
Abstract: The accelerating global demand for high-performance energy storage systems has stimulated significant research into advanced polymer composites as next-generation electrolytes, electrode binders, and functional membranes for batteries, supercapacitors, and photovoltaic devices. However, the vast compositional and structural design space of polymer materials presents formidable challenges for conventional trial-and-error discovery strategies, which remain slow, costly, and biased by prior expert knowledge. Machine learning (ML) and artificial intelligence (AI) have emerged as …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1083–1097 Read article
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Performance analysis of ETL/Absorber and Absorber/HTL Interface Layer on Perovskite (CH3NH3PbX3, X: I) Solar Cell
Abstract: The effectiveness of perovskite solar cells employing perovskite materials such as methyl ammonium lead tri halide (MAPbX3, MA=CH3NH3, X:I) has been investigated in this research with the use of the SCAPS tool. The electrical properties of the MAPbX3 material utilized for the active layer have been calculated through numerical simulation and modelling for various parameters, including open-circuit voltage (Voc), power conversion efficiency (PCE), fill factor (FF), and short-circuit current density …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 1, 2023 · pp. 8–14 Read article