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1078 articles for “SOLAS”
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Design and Control of Three Phase Grid Connected Solar PhotoVoltaic Power System
Abstract: As the world power utilization quickly increments with populace development, new power era limits are obliged to cover that request. So there is requirement for force era utilizing renewable sources. Henceforth photovoltaic system is actualized to tie with the force framework. Keeping in mind the end goal to concentrate greatest force yield from PV framework proficiently, MPPT system is used. A DC-DC converter utilizes voltage source inverter which is controlled …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 20–32 Read article
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InGaN Based p-i-n Solar Cell
Abstract: AbstractA major hurdle in achieving ultrahigh efficiency solar cells is the availability of materials and corresponding device structures. The ternary alloy InGaN has the potential to achieve high efficiency due to its several advantages. However, the efficiency of a p-n InGaN solar cell is still quite low compared to other III–V technologies. In this work, with a view to attain better efficiency, inclusion of an intrinsic layer (i-layer) in the …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 3, 2016 · pp. 1–5 Read article
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Design and Simulation of Maximum Power Point Tracking Solar Battery Charge Controller
Abstract: As solar energy is a renewable energy that has the capacity to lessen energy crisis in the world, so there is a strong need to harvest and utilize this energy. This paper describes the simulation of a solar energy based MPPT battery charger controller and a protection system will also be integrated with the design. The proposed design uses PID controller based voltage and current controller for battery charging circuit. …
Published in Trends in Electrical Engineering · Vol. 7, Issue 2, 2017 · pp. 11–20 Read article
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PV-Syst based Performance Forecasting of Grid Connected Solar PV System in Indian Scenario
Abstract: The presentation and economy of a solar photovoltaic framework relies upon area and geographic parameters. Anticipating energy productivity is significant for effective arranging and assessment rates. The proposed examination investigates the exhibition assessment of three interconnected geologically associated photovoltaic solar frameworks. In Jaipur, Kolkata and Chennai have been trying a 1 MW solar PV framework for a year. Recreations were performed utilizing PV Syst (a product device created by the …
Published in Trends in Electrical Engineering · Vol. 10, Issue 2, 2020 · pp. 33–39 Read article
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Simulated Design and Characterization of an Efficient Nd:YAG based Solar Pumped Single Mode Laser
Abstract: AbstractAs the current solar pumped lasers have shown to yield a very low efficiency, this research explores the possibility of a simulated design which can be more efficient in converting solar energy into optical power. This paper presents the software design of a Neodymium Doped Yttrium Aluminum Garnet (Nd3+:Y3 Al5 O12) Laser using LASCAD and also presents the characterization of the design using a theoretical mathematical model. Overall, results of …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 3, 2015 · pp. 39–49 Read article
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Modeling of Overvoltage Protection by Lightning for a Grid-tied Solar Power System: A case of Vietnam
Abstract: AbstractThe solar power system has been widely developed due to its environmental friendliness and sustainability. Normally, PV panels would be preferable to set up on rooftop of building or free-standing in unsheltered areas. Therefore, the negative impacts on these systems from bad weather conditions, like storms and lightning, have been evident. Vietnam is located in the region of tropical monsoon weather, especially one of the three strongest thunderstorm areas in …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 27–40 Read article
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Towards Curbing Energy Poverty in Sub-Saharan Africa through The Use of Solar Bike: A Case of Koupela, Burkina-Faso
Abstract: AbstractThe rate of energy poverty in Africa particularly in Sub-Sahara region is quite alarming and appealing. This anomaly has greatly affected industrialization processes in this region. Not only has electricity access remain an acute issue in Burkina Faso almost two centuries, but in addition, the accelerated consumption of fossil fuels is leading to drastic consequences manifested in the form (s) of impaired development for humans and nature. To encourage greater …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 9–14 Read article
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On Suitability of Supercritical Carbon Dioxide As Heat Transfer Fluid in Flat Plate Solar Collector
Abstract: In the present article, carbon dioxide is proposed as a heat transfer fluid for flat-plate solar thermal collector. Energetic, exergetic and economic analyses of flat plate collector using supercritical CO2 have been done and compared with conventional fluid (water) as well as advanced fluid (nanofluids). Effects of zonal ambient temperature and incident solar radiation on collector efficiency, irreversibility, second law efficiency and collector size reduction are presented. Due to lower …
Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 3, 2014 · pp. 33–41 Read article
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Analysis and Testing Methods for Solar Thermal Evacuated Tube Collector: A Review
Abstract: Evacuated tube receiver used with parabolic trough collector can be characterized in terms of their heat loss and their optical efficiency. The optical efficiency of the collector involves reflectivity, transmissivity, tracking accuracy, shading by receiver tube surface, shape and absorptance of the material used. On the other hand, receiver tube heat loss includes conductive, convective and radiative losses. Here, in case of evacuated tube, major losses are through radiation, the …
Published in Journal of Thermal Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 1–4 Read article
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Analysis of the Fraction of Mass Flow Rate on the Performance of Double Flow Solar Air Heater
Abstract: This paper presents a mathematical model of a double flow solar air heater, in which air is flowing simultaneously over and under the absorbing plate. Based on the energy balance equations, the effect of fraction of mass flow rate in the upper or lower flow channel has been investigated analytically. The results show that there is air temperature rise, heat gain and efficiency has the maximum value when the optimal …
Published in Journal of Thermal Engineering and Applications · Vol. 4, Issue 2, 2017 · pp. 18–26 Read article
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Investigation of Solar Cooling Systems based on Small-Scale Sorption Heat Pumps
Abstract: This paper presents the development and investigation of solar cooling systems based on small-scale sorption heat pumps and chillers, respectively. Ammonia or water absorption chiller with a cooling capacity of 12 kW, a 17.5 kW water/lithium bromide absorber, the chilled WFC18 and two water or silica-gel adsorption chillers with cooling capacities of 7.5 and 15 kW, all single effect, are specified as core components of solar cooling systems. Up to …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 1, 2014 · pp. 18–21 Read article
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Performance Enhancement of Vapour Compression Refrigeration System by Using Solar Thermoelectric Sub-Cooler
Abstract: Abstract Refrigeration plays a crucial role in many aspects of human life, due to energy crisis it is essential to improve the performance of a refrigerator for given inputs and need to satisfy the environmental challenges with respect to ozone depletion and global warming, R-134a as a refrigerant has a unique thermal characteristics such as low viscosity, good heat transfer coefficients, non-toxic, non-corrosive and environmental benefits in comparison with conventional …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 4, Issue 2, 2017 · pp. 27–37 Read article
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Solar Humidity Control Unit with Hot Water Generation
Abstract: Our country lying in tropical region predominantly has high humidity in air in nearly three fourth span of a year. For maintaining indoor comfort conditions in these conditions become expensive. This paper presents the design of all in one solar powered humidity control unit which will also provide hot water in the building. The configuration consists of indoor and outdoor units provided with evaporative coolers and desiccant units. The outdoor …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 8–13 Read article
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Wind-Solar Hybrid Energy Powered for Drip Irrigation System
Abstract: This paper explains cost analysis of drip irrigation system using wind-solar hybrid system. The power generated through the interconnected solar and wind hybrid system is fed to the submersible pump for drip irrigation and is examined continuously for reliability. The drip irrigation system described here consists of a submersible pump that consumes 1.18 kW of electrical energy per day on an average, which can drip irrigate mango crop planted over …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 5, Issue 3, 2014 · pp. 13–18 Read article
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Layered Filler Based Nanocomposite Polymer Electrolyte For Solar Cell Application
Abstract: In the present work we fabricated natural dye sensitized solar cell using PVA based nanocomposite polymer electrolyte with MMT Clay (Montmorillonite) as layered filler in order to improve the conductivity of polymer electrolyte. In this work, we applied TiO2-WO3 to natural dye sensitizer solar cells as a photoelectrode to reduce the recombination rate by providing energy barrier and we also explore the use of natural dyes, betacyanin obtained from the …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 7, Issue 1, 2017 · pp. 15–19 Read article
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Integrated Maximum Power Point Tracking and Harmonic Reduction in a Grid Interactive Solar PV Inverter
Abstract: Normal 0 false false false EN-US X-NONE X-NONE A solar photovoltaic (PV) cell exhibits a non-linear i-v characteristic and its maximum power point (MPP) varies with solar insolation and temperature. A dc-to-dc converter is generally employed along with inverter circuit to operate the solar PV system at maximum power point. This adds to the cost, which increases significantly with the size of the system. Moreover, grid-tie inverter employing thyristors has …
Published in Journal of Instrumentation Technology & Innovations · Vol. 4, Issue 1, 2014 · pp. 7–15 Read article
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Solar Energy Materials Synthesis and Characterization
Abstract: The studies on the structural, microstructure and composition of the MoSe2 films are discussed in this research work. It deals with the optical properties of pulse plated films of MoSe2. Very little information has been given in the literature concerning the deposition current efficiency using pulse plating. In agreement with pulse plating theory, according to reference, the limiting overall plating rate of materials generally does not exceed the values for …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 6, Issue 3, 2019 · pp. 24–37 Read article
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Experimental Analysis on Solar Air Cooler System with Silicon Disc Dehumidifier
Abstract: Air cooler system is commonly used in domestic applications throughout the world for cooling purposes. The primary objective of the air cooler is to bring down the temperature of the ambient air by adding cool water particles into the stream entering the confines space. This system is efficient to a certain extent where humidity is not an important factor. But when it is a necessary to maintain humidity at a …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 7, Issue 1, 2020 · pp. 21–27 Read article
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Numerical Simulation of Efficient Two-dimensional Based Perovskite Solar Cell by Changing the Hole Transporting Layer
Abstract: In the designing of Photo Solar Cell (PSC) the choice of suitable electron transport layer (ETL)/ absorber layer / hole transport layer (HTL) with optimal thickness is very important. In the present device configuration of perovskite solar cell is TCO/ electron transport layer (TiO2)/ absorber layer (CH3NH3PbI3)/ hole transport layer (MoTe2/MoSe2/MoS2)/ metal back contact (Au). In the suggested device Hole transport layer was changed one by one with the MoTe2, …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 3, 2021 · pp. 11–19 Read article
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Effect on Temperature and Efficiency on Photovoltaic Module of PV/T System with Water Based Optical Filter
Abstract: Solar radiation has ultraviolet, visible and infrared radiations, in which infrared and ultra-violet part of the solar radiation are mainly responsible for the heating of solar cell. This decreases the efficiency of the solar cell by –0.3 to –0.5% K-1. When we increase the concentration on the solar cell then the heat becomes more prominent and causes the damage of the solar cell, and also decreases the efficiency of solar …
Published in Journal of Electronic Design Technology · Vol. 8, Issue 1, 2017 · pp. 1–6 Read article