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946 articles for “and ash”
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Harmonic Compensation in Grid Interconnected DG Units by Closed Loop Control
Abstract: This paper deals with improvement of power quality problem namely harmonic problem using distributed generation as their source of electricity. The harmonics occur in such a system because of the nature of loads connected. There are many power quality problems; out of which harmonics normally caused by nonlinear loads like variable frequency drives, fluorescent lightning, office computers etc. have adverse effects on the power quality. Also, harmonic detection and prediction …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 9–17 Read article
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A Computer-based Monitoring and Controlling System for PV-Wind Generator-Battery System
Abstract: Various types and configurations of renewable energy system (RES) have been covered lately in many researches, one of which is PV-wind generator-battery. For the sake of system evaluation, a data acquisition mechanism is needed, particularly for system monitoring and controlling. This paper will describe about preliminary research on a PC-based monitoring and controlling system for PV-wind generator-battery configuration. Monitoring parameters are voltage and current of PV-wind generator, battery, and load. …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 11–19 Read article
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Review: Distribution Generation and Islandin
Abstract: The demand for distributed generation (DG) has increased in recent years and many countries across the world are adopting it due to various factors such as improvements in technologies including renewable energy sources and the efficiency it provides. However, islanding detection is of prime importance as it can be hazardous to the maintenance workers. The increasing use of distributed generation causes more number of parameters to be controlled for the …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 45–54 Read article
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Software and Hardware Implementation of Quasi z Source Inverter in DC-DC Converter with DC Motor as Load
Abstract: DC/DC power converters are employed in applications like telecom, industrial, automotive, military, aerospace and motor drives. The dc/dc converter market is forecast to grow at a strong rate to $ 4.3 billion by 2016. The primary factor limiting the widespread application of low voltage producing renewable energy sources to motor load is interfacing of converter system. The traditional voltage source inverter (VSI) cannot be dealt without overrating of inverter because …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 97–107 Read article
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Design and Analysis of a Solar-Wind Hybrid System
Abstract: Renewable energy sources like wind and solar energies can be combined to increase the totalpower generation and thereby increase the efficiency of the system. The combination alsoprovides a means to overcome the intermittent nature of the solar and wind renewable energysources, since one source can be used for power generation when the other is not available.AC-DC converters are used to convert the alternating voltage of the wind generator to aconstant …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 1, 2020 · pp. 1–8 Read article
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GAS HYDRATES AN UNCONVENTIONAL RESOURCE FOR FUTURE
Abstract: AbstractThis paper presents an overcome of Gas hydrates (GH) as a potential alternate to India’s energy source. Gas hydrates are Icy-white crystalline form approximately 99% of gas and 1% of water which are found under high pressure & low temperature in places such as permafrost (polar) region, shallow offshore sediments of arctic &sub-arctic region, and Deep ocean sediments in the tropic regions. This term have attracted some Energy-Starving countries like …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 22–26 Read article
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Extraction and Characterization of an Eco-Friendly Surfactant for Its Use in Enhanced Oil Recovery
Abstract: Experimental studies have been performed to explore the suitability of an eco-friendly surfactant in enhanced oil recovery. In this respect, herbal surfactant has been isolated from soap nut and characterized by its morphology and physico-chemical properties. The extracted surfactant reduces the interfacial tension significantly over a wide range of concentrations. A series of flooding experiments have been carried out using the extracted surfactant and substantial incremental recoveries have been observed …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 20–29 Read article
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Synthesis and Characterization of Triethanolamine Derivative of Sodium Dodecy l Sulphate and its Use in Enhanced Oil Recovery
Abstract: The paper deals with the synthesis and characterization of a new surfactant and its use in Alkali-Surfactant- Polymer (ASP) flooding in enhanced oil recovery (EOR). The material has been synthesized from sodium dodecyl sulphate and triethanolamine. The synthesized surfactant has been characterized by measuring the surface tension of its aqueous solution and it has been found that the surface tension of derivative surfactant is much lower than that of pure …
Published in Journal of Petroleum Engineering & Technology · Vol. 1, Issue 1-3, 2011 · pp. 37–45 Read article
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Experimental and Modeling Study of Companion Flange
Abstract: Performance of flange is characterized by its strength. A number of analytical and experimental studies have been conducted to study this characteristic of flange in pipeline under internal pressure loading. Very few researchers have studied the companion flange which is used in assembly of Universal Drive shaft. A companion flanges can be supplied as an individual component or as assemblies with universal drive shafts. It allows connection of a flange …
Published in Journal of Production Research & Management · Vol. 8, Issue 1, 2018 · pp. 29–36 Read article
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Development and Optimization of Cold Rolled Slitting Machine Process
Abstract: Slitting machine is now widely used for dividing a wide strip into a plurality of narrow strips or for trimming the unnecessary or unacceptable edge portion of relatively wide sheet metal stock. In some cold rolling slitting machine a problem has been found that the camber is formed at the time of cutting. When the strip passes through skin pass operation, burr is formed due to friction which will result …
Published in Journal of Production Research & Management · Vol. 9, Issue 1, 2019 · pp. 1–8 Read article
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A Review on Challenges of Electric Vehicles
Abstract: Electric vehicles (EVs) are becoming more common place in the transportation sector in recent times. As the current trend suggests that this mode of transport is likely to replace IC-Engine vehicles in the future EVs can cause tremendous changes on the environment, power system, and other related sectors. There are possibilities of immense environmental benefits also because the EVs can reduce the greenhouse gas emissions produced by the older transportation …
Published in Journal of Production Research & Management · Vol. 10, Issue 1, 2020 · pp. 12–17 Read article
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Ergonomic Design and Intervention of a Chapati Making Machine
Abstract: An ergonomic analysis of a chapati maker can provide valuable insights into the design and use of the device, and can help to identify opportunities to improve the safety and efficiency of work practices. Workers use Chapati maker throughout the day, which can cause a variety of musculoskeletal disorders. Musculoskeletal disorders caused by the individual's job are one of the main issues since they have a significant negative influence on …
Published in Journal of Production Research & Management · Vol. 13, Issue 3, 2023 · pp. 1–11 Read article
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Signal Integrity Analysis of Single Walled Carbon Nano Tube based Interconnects at 32 nm Technology Node
Abstract: The rising demands for ultra-high-speed processors and portable devices have made the transistor and interconnect scaling a challenging issue in present days. In this work, the impedance parameter of copper and CNT based interconnects are calculated at 32 nm technology node for different lengths. The performances of CNT based interconnects are analyzed and compared with Cu based interconnects in terms of crosstalk. The conventional copper interconnects are not able to …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 1, 2018 · pp. 33–42 Read article
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Microhardness of II-VI and III-V Semiconductors
Abstract: A correlation between microhardness and bond hardness of II-VI and III-V semiconductors is presented in this study. Bond hardness is calculated using valence electron number, covalent / ionic radius and co-ordination number of bonded atoms of the tetrahedral semiconductors. The covalent and ionic contributions to bond hardness are separately calculated to get resultant bond hardness. Results obtained using the correlation agrees well with the reported, experimental and theoretical values of …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 1, 2021 · pp. 31–36 Read article
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Modelling and Electrical Characterization of Single Electron Transistor
Abstract: A nano-electronic device with low power consumption, high performance, and quantum effects is the single electron transistor (SET). It's used in charge sensor applications, infrared radiation detectors, and spectroscopy. However, it faces limitations in lithography, co-tunneling effect, low gain, high output impedance, and background charges. Therefore, prior simulation is needed to optimize SET's work function and understanding physics concepts. A master equation approach is used to propose a new model …
Published in Journal of Semiconductor Devices and Circuits · Vol. 10, Issue 3, 2024 · pp. 19–25 Read article
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Experimental Study on Effectiveness of TMD in Reducing Torsional Motion under Harmonic Base Motion
Abstract: AbstractAsymmetry in the building could arise due to unsymmetrical distribution of mass, stiffness, damping and/or strength characteristics. The earthquake response of asymmetric buildings is characterized by coupling between translational and rotational degrees of freedom (dofs). This paper includes an experimental analysis of one storied asymmetrical building frame subjected to harmonic motion with and without tuned mass damper (TMD). Experimentation is done on a shake table and readings were recorded. The …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 3, 2017 · pp. 13–16 Read article
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THERMAL ANALYSIS OF PLATE AND BEAM BY USING FINITE ELEMENT METHOD
Abstract: Thermal analysis plate and beam made up of various materials with thermal load application and different boundary conditions are analyzed in this research. Finite element formulation is carried out in the analysis and the FEM formulation is done in the analysis section of the ABAQUS. In this study, flat Square plate without cut-out which can be assumed as perfect plates which are made up steel, aluminium materials are analysed. Finally …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 3, 2018 · pp. 41–47 Read article
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Seismic Performance of Flat Slab Buildings Considering P-Delta Effect
Abstract: Flat slab structures are becoming quite popular due to functional and architectural advantages. The flat slab structures are flexible when compared to framed structures as the slab is directly columns. Typically the seismic forces in such a structure are resisted by shear wall systems. Under design seismic conditions the lateral displacements are large and the columns deform along with the lateral load resisting system. Under such conditions the columns are …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 1, 2020 · pp. 10–16 Read article
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Use of waste paper sludge and polypropylene to study the performance of concrete
Abstract: A large quantity of waste paper is generated from the offices and industries of the paper mill and it needs to be disposed off through proper waste management system or effectively reutilized in construction industry. Hypo plant in the paper industry generates large volume of waste in the form of slurry, disposal of which causes environmental problems. The increasing amount of waste is a concerning reality that arose various sustainability …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 2, 2020 · pp. 11–20 Read article
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Analysis of RC Frames Using Different Bracing Systems in Different Positions and Zones
Abstract: Structures are mainly built to enhance the performance of several activities like recreation, transportation, power generation, etc. They are built to sustain the loads coming on them during their service life by carrying adequate strength and also limit the deformation by possessing enough stiffness. Strength of a structure depends mainly upon the characteristics of material with which it is constructed. Stiffness is dependent upon the cross-sectional and geometrical properties of …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 1, 2016 · pp. 16–27 Read article